How many institutions own GERN stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own GERN shares is 353, representing 81.26% of the company's common stock.

Who are the major shareholders selling Geron Corporation stock?

SEGALL BRYANT & HAMILL, LLC, in the last quarter, reduced its stake in GERN by -0.26% restricting it's holding to 7.43 million shares of worth nearly $11.81M. BANK OF NEW YORK MELLON CORP also lessened -0.58% of the GERN shares from its portfolio, reducing its holding to 1.64 million shares of worth $2.61M. WELLINGTON MANAGEMENT GROUP LLP also shunned GERN shares holding by -77.91% last quarter which brought its holding to 2.98 million shares worth $4.75M.

Investors who are buying GERN stock?

As per its latest 13F filing, POINT72 ASSET MANAGEMENT, L.P. increased its stake in GERN by 378.67% in the last quarter. The institutional holder raised its holding to 7.13 million shares having worth more than $11.33M. VESTAL POINT CAPITAL, LP also added 100.05% more shares of GERN to its portfolio, raising its holding to 22.01 million shares of worth $34.99M. SOLEUS CAPITAL MANAGEMENT, L.P. also increased its GERN shares holding by 100% which brought its holding to 2.4 million shares worth $3.82M.

GERN's major insiders: who are they?

The insider with the most stakes in GERN is GREENWOOD DAVID , President, Interim CEO, CFO at the company. Additionally, GERN stock is highly held by SVP, Chief Scientific Officer LEBKOWSKI JANE and EVP, R&D Head, CMO Kelsey Stephen Michael among others.

Did an insider recently sell GERN stock?

Company executives, directors, and other insiders own 0.09% percent of Geron Corporation's stock. Within the last six months, there have been 0 transaction(s) in which GERN insiders have sold stock, totaling 0 shares. Insiders that have sold shares include GRETHLEIN ANDREW J, FELLER FAYE, and KAPUR ANIL.

Which insider recently purchased GERN stock?

There have been 4 transaction(s) during the past 6-months in which Geron Corporation insiders have bought stock, totalling 140800 shares

How much of GERN does insiders own?

Around 152.48K Geron Corporation shares are held by insiders, which represents about 0.09% of GERN stock.

Who is the insider with the largest stake?

GERN President, Interim CEO, CFO, GREENWOOD DAVID holds the largest portfolio of the company's shares. GERN shares owned by GREENWOOD total nearly 754.03 thousand.

Which institution holds the most shares in GERN?

SEGALL BRYANT & HAMILL, LLC is the largest institutional owner in GERN which holds 7.43 million shares worth $11.81M or 1.12% of the total GERN shares outstanding followed by POINT72 ASSET MANAGEMENT, L.P. with ownership of 7.13 million shares representing 1.07% of the GERN ownership. VESTAL POINT CAPITAL, LP is the third largest stakeholder with 22.01 million shares or 3.3% of the ownership worth more than $34.99M.

Is Geron Corporation stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the GERN is concerned, it is a stock which is optionable.

Is there a short position on GERN's shares?

Number of GERN shares short is 62.99M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding GERN shares are there?

As of today, 636.92M shares of GERN are outstanding.

Is there many float in GERN stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, GERN has 537.81M shares in float.

GERN short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for GERN is 5.72.

Geron (GERN) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares9.89

Short Percent Of Float10.34

Shares Outstanding636.92M

Shares Float537.81M

Shares Short62.99M

Short Ratio5.72

10.34%

Short % of Float

9.89%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.09% Percentage of Shares held by All Insiders

81.26% Percentage of Shares held by All Institutions

81.34% Percentage of Float held by Institutions

353

Number of Institutions Holding Shares

Institutional Ownership

About 81.26% of GERN shares are held by financial institutions. SEGALL BRYANT & HAMILL, LLC is the top corporate investor, holding 7.43M shares valued at $11.81M. A 1.12% stake in Geron Corporation is owned by the company. POINT72 ASSET MANAGEMENT, L.P. owns 7.13M shares valued at $11.33M, which translates its holding of 1.07% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	SEGALL BRYANT & HAMILL, LLC	1.12%	7.43M	11.81M	-19.42K	-0.26%
Mar 31, 2025	POINT72 ASSET MANAGEMENT, L.P.	1.07%	7.13M	11.33M	5.64M	+378.67%
Mar 31, 2025	VESTAL POINT CAPITAL, LP	3.3%	22.01M	34.99M	11.01M	+100.05%
Mar 31, 2025	SOLEUS CAPITAL MANAGEMENT, L.P.	0.36%	2.4M	3.82M	2.4M	+100.00%
Mar 31, 2025	683 CAPITAL MANAGEMENT, LLC	0.43%	2.85M	4.53M	2.85M	+100.00%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.53%	3.51M	5.58M	3.51M	+100.00%
Mar 31, 2025	CITIGROUP INC	0.17%	1.12M	1.78M	119.73K	+11.97%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.21%	1.37M	2.18M	104.84K	+8.27%
Mar 31, 2025	NAN FUNG GROUP HOLDINGS LTD	0.21%	1.37M	2.18M	0	0
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.25%	1.64M	2.61M	-9.61K	-0.58%
Mar 31, 2025	ALLY BRIDGE GROUP (NY) LLC	0.31%	2.06M	3.27M	981.81K	+91.35%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	0.45%	2.98M	4.75M	-10.53M	-77.91%
Mar 31, 2025	EXOME ASSET MANAGEMENT LLC	0.48%	3.22M	5.11M	1.65M	+105.97%
Mar 31, 2025	ALGERT GLOBAL LLC	0.49%	3.26M	5.19M	2.73M	+516.80%
Mar 31, 2025	INVESCO LTD.	0.54%	3.62M	5.75M	1.54M	+74.17%
Mar 31, 2025	KYNAM CAPITAL MANAGEMENT, LP	0.55%	3.66M	5.82M	3.66M	+100.00%
Mar 31, 2025	DEUTSCHE BANK AG\	0.57%	3.79M	6.03M	2.9M	+324.97%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.72%	4.8M	7.62M	3.27M	+213.58%
Mar 31, 2025	MARSHALL WACE, LLP	0.77%	5.14M	8.17M	2.94M	+133.34%
Mar 31, 2025	UBS GROUP AG	0.78%	5.21M	8.29M	-1.41M	-21.33%
Mar 31, 2025	NORTHERN TRUST CORP	0.79%	5.26M	8.36M	-324.64K	-5.82%
Mar 31, 2025	CLEARBRIDGE INVESTMENTS, LLC	1.3%	8.69M	13.81M	8.69M	+100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	1.62%	10.81M	17.18M	3.77M	+53.62%
Mar 31, 2025	MORGAN STANLEY	1.73%	11.53M	18.34M	-153.1K	-1.31%
Mar 31, 2025	FMR LLC	1.86%	12.37M	19.66M	-1.97M	-13.73%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.04%	13.57M	21.58M	426.08K	+3.24%
Mar 31, 2025	JANUS HENDERSON GROUP PLC	2.84%	18.89M	31.11M	-8.19M	-30.24%
Mar 31, 2025	STATE STREET CORP	3.59%	23.91M	38.02M	-3.25M	-11.95%
Mar 31, 2025	VIVO CAPITAL, LLC	4.09%	27.23M	43.29M	0	0
Mar 31, 2025	VANGUARD GROUP INC	5.13%	34.15M	54.29M	608.03K	+1.81%
Mar 31, 2025	DEEP TRACK CAPITAL, LP	5.73%	38.18M	60.7M	34.16M	+851.72%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.46%	9.69M	15.41M	5.79M	+148.48%
Mar 31, 2025	BLACKROCK, INC.	7.37%	49.08M	78.03M	-782.45K	-1.57%
Mar 31, 2025	RA CAPITAL MANAGEMENT, L.P.	9.07%	60.38M	96M	30.37M	+101.20%
Mar 31, 2025	WOODLINE PARTNERS LP	1.16%	7.73M	12.29M	-3.86M	-33.30%
Mar 31, 2025	BARCLAYS PLC	0.17%	1.15M	1.84M	-373.83K	-24.45%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.21%	1.4M	2.23M	1.34M	+2,354.86%
Mar 31, 2025	HRT FINANCIAL LP	0.21%	1.41M	2.24M	1.24M	+745.65%
Mar 31, 2025	AFFINITY ASSET ADVISORS, LLC	0.23%	1.5M	2.39M	-750K	-33.33%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.28%	1.87M	2.98M	1.08M	+137.73%
Mar 31, 2025	CANDRIAM S.C.A.	0.28%	1.9M	3.01M	1.9M	+100.00%
Mar 31, 2025	EDMOND DE ROTHSCHILD HOLDING S.A.	0.32%	2.13M	3.39M	280K	+15.14%
Mar 31, 2025		0.43%	2.85M	4.53M	2.85M	+100.00%
Mar 31, 2025	ABRDN PLC	0.55%	3.69M	5.87M	1.85M	+99.90%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.67%	4.45M	7.08M	-72.83K	-1.61%
Mar 31, 2025	LOGOS GLOBAL MANAGEMENT LP	1.2%	8M	12.72M	6M	+300.00%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.84%	5.6M	8.91M	4.15M	+285.56%
Mar 31, 2025	EVENTIDE ASSET MANAGEMENT, LLC	1.06%	7.07M	11.24M	0	0
Mar 31, 2025	GOLDMAN SACHS GROUP INC	1.22%	8.14M	12.94M	-5.47M	-40.22%
Mar 31, 2025	CITADEL ADVISORS LLC	1%	6.66M	10.59M	2.48M	+59.25%
Mar 31, 2024	READYSTATE ASSET MANAGEMENT LP	0.2%	1.19M	3.93M	1.19M	+100.00%
Mar 31, 2024	ROSALIND ADVISORS, INC.	0.03%	200K	660K	0	0
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	1.23%	7.3M	24.1M	-7.43M	-50.43%
Mar 31, 2024	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.19%	7.2M	23.76M	7.2M	+100.00%
Mar 31, 2024	FAIRMOUNT FUNDS MANAGEMENT LLC	1.1%	6.67M	22M	6.67M	+100.00%
Mar 31, 2024	BOXER CAPITAL, LLC	0.99%	6M	19.8M	3M	+100.00%
Mar 31, 2024	INVESCO LTD.	0.92%	5.47M	18.05M	1.11M	+25.43%
Mar 31, 2024	NORTHERN TRUST CORP	0.85%	5.03M	16.59M	-89.17K	-1.74%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.74%	4.39M	14.49M	1.21M	+38.05%
Mar 31, 2024	MORGAN STANLEY	0.56%	3.35M	11.07M	-7.21M	-68.25%
Mar 31, 2024	SAMLYN CAPITAL, LLC	0.52%	3.11M	10.28M	3.11M	+100.00%
Mar 31, 2024	BLACKROCK INC.	6.96%	41.41M	136.67M	-758.1K	-1.80%
Mar 31, 2024	DEEP TRACK CAPITAL, LP	5.05%	30.51M	100.67M	922.48K	+3.12%
Mar 31, 2024	VANGUARD GROUP INC	5.02%	29.87M	98.57M	1.3M	+4.57%
Mar 31, 2024	VIVO CAPITAL, LLC	4.51%	27.23M	89.84M	3.08M	+12.76%
Mar 31, 2024	TCG CROSSOVER MANAGEMENT, LLC	2.88%	17.39M	57.39M	-5.98M	-25.60%
Mar 31, 2024	FMR LLC	2.14%	12.76M	42.11M	5.73M	+81.45%
Mar 31, 2024	ORBIMED ADVISORS LLC	2.14%	12.89M	42.55M	12.41M	+2,558.48%
Mar 31, 2024	RA CAPITAL MANAGEMENT, L.P.	7.66%	46.2M	152.47M	0	0
Mar 31, 2024	NEA MANAGEMENT COMPANY, LLC	2.12%	12.78M	42.16M	-10M	-43.91%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.92%	11.43M	37.71M	482.34K	+4.41%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	1.84%	10.94M	36.11M	1.46M	+15.37%
Mar 31, 2024	BIOIMPACT CAPITAL LLC	1.74%	10.48M	34.57M	-239.95K	-2.24%
Mar 31, 2024	LOGOS GLOBAL MANAGEMENT LP	1.49%	9M	29.7M	9M	+100.00%
Mar 31, 2024	SEGALL BRYANT & HAMILL, LLC	0.74%	4.45M	14.68M	29.08K	+0.66%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.65%	3.89M	12.84M	47.26K	+1.23%
Mar 31, 2024	DEUTSCHE BANK AG\	0.23%	1.35M	4.46M	-5.72M	-80.87%
Mar 31, 2024	BRIDGER MANAGEMENT, LLC	0.22%	1.34M	4.42M	1.34M	+100.00%
Mar 31, 2024	NAN FUNG GROUP HOLDINGS LTD	0.22%	1.32M	4.37M	411K	+44.99%
Mar 31, 2024	ARTAL GROUP S.A.	0.21%	1.28M	4.23M	1.28M	+100.00%
Mar 31, 2024	WOODLINE PARTNERS LP	0.2%	1.21M	4.01M	1.21M	+100.00%
Mar 31, 2024	KENNEDY CAPITAL MANAGEMENT LLC	0.19%	1.13M	3.71M	-9.92K	-0.87%
Mar 31, 2024	SATURN V CAPITAL MANAGEMENT LLC	0.19%	1.12M	3.71M	1.12M	+100.00%
Mar 31, 2024	STATE STREET CORP	5.31%	31.6M	104.29M	5.98M	+23.33%
Mar 31, 2024	FARALLON CAPITAL MANAGEMENT LLC	1.24%	7.5M	24.73M	7.5M	+100.00%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.52%	3.14M	10.36M	3.14M	+100.00%
Mar 31, 2024	ALLY BRIDGE GROUP (NY) LLC	0.46%	2.76M	9.11M	-211.14K	-7.11%
Mar 31, 2024	AFFINITY ASSET ADVISORS, LLC	0.41%	2.5M	8.25M	2.5M	+100.00%
Mar 31, 2024	RAFFERTY ASSET MANAGEMENT, LLC	0.4%	2.41M	7.96M	742.12K	+44.46%
Mar 31, 2024	VESTAL POINT CAPITAL, LP	0.36%	2.2M	7.26M	2.2M	+100.00%
Mar 31, 2024	CITIGROUP INC	0.36%	2.15M	7.1M	1.44M	+202.12%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.35%	2.06M	6.82M	1.88M	+999.68%
Mar 31, 2024	JPMORGAN CHASE & CO	0.34%	2M	6.6M	261.14K	+15.02%
Mar 31, 2024	UBS GROUP AG	0.3%	1.81M	5.96M	365.71K	+25.37%
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.29%	1.75M	5.78M	513.37K	+41.49%
Mar 31, 2024	LAURION CAPITAL MANAGEMENT LP	0.28%	1.67M	5.5M	1.67M	+100.00%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.27%	1.6M	5.28M	-170.41K	-9.62%
Mar 31, 2024	ALTITUDE CREST PARTNERS INC.	0.25%	1.53M	5.05M	1.53M	+100.00%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.25%	1.5M	4.95M	10.41K	+0.70%
Mar 31, 2024	MML INVESTORS SERVICES, LLC	0.17%	1.05M	3.48M	-241.8K	-18.67%
Mar 31, 2024	CITADEL ADVISORS LLC	0.17%	986.11K	3.25M	342.95K	+53.32%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.08%	481.71K	1.59M	481.71K	+100.00%
Mar 31, 2024	SWISS NATIONAL BANK	0.14%	804.3K	2.65M	30.7K	+3.97%
Mar 31, 2024	RHUMBLINE ADVISERS	0.12%	727.22K	2.4M	18.08K	+2.55%
Mar 31, 2024	CREDIT SUISSE AG/	0.12%	686.89K	2.27M	17.76K	+2.65%
Mar 31, 2024	PATHWAY CAPITAL MANAGEMENT, LP	0.11%	636.84K	2.1M	636.84K	+100.00%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.09%	512.74K	1.69M	0	0
Mar 31, 2024	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0.08%	500K	1.65M	-278.5K	-35.77%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.07%	396.05K	1.31B	-14.37K	-3.50%
Mar 31, 2024	ALPS ADVISORS INC	0.06%	385.15K	1.27M	26.37K	+7.35%
Mar 31, 2024	SUMMIT X, LLC	0.06%	381.67K	1.26M	19.71K	+5.45%
Mar 31, 2024	PROFUND ADVISORS LLC	0.06%	376.36K	1.24B	100.54K	+36.45%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.06%	362.87K	1.2M	102.04K	+39.12%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.06%	344.06K	1.14M	-6.96K	-1.98%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.06%	331.81K	1.09M	-40.84K	-10.96%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.05%	295.55K	975.32K	-418.46K	-58.61%
Mar 31, 2024	STATE OF TENNESSEE, TREASURY DEPARTMENT	0.05%	279.93K	923.77K	279.93K	+100.00%
Mar 31, 2024	METLIFE INVESTMENT MANAGEMENT, LLC	0.05%	271.57K	896.19K	8.91K	+3.39%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.05%	268.2K	885.07K	41K	+18.04%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	252.5K	833.23K	-2.17K	-0.85%
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.04%	251.72K	831K	251.72K	+100.00%
Mar 31, 2024	SILVERARC CAPITAL MANAGEMENT, LLC	0.04%	250K	825K	250K	+100.00%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.04%	238.8K	788.04M	238.8K	+100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.04%	209.37K	690.93K	29.57K	+16.44%
Dec 31, 2023	RAFFERTY ASSET MANAGEMENT, LLC	0.29%	1.67M	3.52M	-233.18K	-12.26%
Dec 31, 2023	JPMORGAN CHASE & CO	0.3%	1.74M	3.67M	109.39K	+6.71%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.31%	1.77M	3.74M	157.89K	+9.79%
Dec 31, 2023	MARSHALL WACE, LLP	0.36%	2.08M	4.39M	-3.78M	-64.53%
Dec 31, 2023	VIVO CAPITAL, LLC	4.17%	24.14M	50.94M	7.62M	+46.11%
Dec 31, 2023	STATE STREET CORP	4.42%	25.63M	54.07M	254.22K	+1.00%
Dec 31, 2023	VANGUARD GROUP INC	4.93%	28.56M	60.27M	1.91M	+7.18%
Dec 31, 2023	DEEP TRACK CAPITAL, LP	5.1%	29.58M	62.42M	3.88M	+15.11%
Dec 31, 2023	BLACKROCK INC.	7.28%	42.17M	88.98M	5.01M	+13.49%
Dec 31, 2023	RA CAPITAL MANAGEMENT, L.P.	7.97%	46.2M	97.49M	0	0
Dec 31, 2023	ORBIMED ADVISORS LLC	0.08%	485K	1.02M	485K	+100.00%
Dec 31, 2023	BARCLAYS PLC	0.27%	1.58M	3.33M	11.24K	+0.72%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.09%	512.74K	1.08M	0	0
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.09%	546.8K	1.15M	-657.27K	-54.59%
Dec 31, 2023	ALLY BRIDGE GROUP (NY) LLC	0.51%	2.97M	6.27M	750K	+33.76%
Dec 31, 2023		0.1%	607.5K	1.28M	607.5K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.11%	613.42K	1.29M	425.06K	+225.67%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.11%	617.36K	1.3M	13.26K	+2.20%
Dec 31, 2023	CITADEL ADVISORS LLC	0.11%	643.16K	1.36M	251.46K	+64.19%
Dec 31, 2023	CREDIT SUISSE AG/	0.12%	669.13K	1.41M	12.56K	+1.91%
Dec 31, 2023	CRESTLINE MANAGEMENT, LP	0.12%	687.38K	1.45M	102.23K	+17.47%
Dec 31, 2023	RHUMBLINE ADVISERS	0.12%	709.14K	1.5M	3.16K	+0.45%
Dec 31, 2023	CITIGROUP INC	0.12%	711.95K	1.5M	-93.96K	-11.66%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.12%	714.01K	1.51M	196.33K	+37.92%
Dec 31, 2023	SWISS NATIONAL BANK	0.13%	773.6K	1.63M	-232.9K	-23.14%
Dec 31, 2023	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0.13%	778.5K	1.64M	0	0
Dec 31, 2023	NAN FUNG GROUP HOLDINGS LTD	0.16%	913.55K	1.93M	160K	+21.23%
Dec 31, 2023	KENNEDY CAPITAL MANAGEMENT LLC	0.2%	1.14M	2.4M	1.14M	+100.00%
Dec 31, 2023	RUSSELL INVESTMENTS GROUP, LTD.	0.21%	1.24M	2.61M	204.77K	+19.83%
Dec 31, 2023	WALLEYE CAPITAL LLC	0.22%	1.28M	2.69M	-950.55K	-42.70%
Dec 31, 2023	MML INVESTORS SERVICES, LLC	0.22%	1.3M	2.73M	0	0
Dec 31, 2023	UBS GROUP AG	0.25%	1.44M	3.04M	790.42K	+121.38%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.26%	1.49M	3.15M	24.85K	+1.70%
Dec 31, 2023	BOXER CAPITAL, LLC	0.52%	3M	6.33M	0	0
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.55%	3.18M	6.71M	-339.06K	-9.63%
Dec 31, 2023	ARMISTICE CAPITAL, LLC	0.57%	3.3M	6.95M	-328K	-9.05%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.66%	3.84M	8.11M	208.17K	+5.73%
Dec 31, 2023	INVESCO LTD.	0.75%	4.36M	9.2M	-197.46K	-4.33%
Dec 31, 2023	SEGALL BRYANT & HAMILL, LLC	0.76%	4.42M	9.33M	-570.68K	-11.44%
Dec 31, 2023	NORTHERN TRUST CORP	0.88%	5.12M	10.8M	-241.3K	-4.50%
Dec 31, 2023	FMR LLC	1.21%	7.03M	14.84M	-528.71K	-6.99%
Dec 31, 2023	DEUTSCHE BANK AG\	1.22%	7.07M	14.91M	6.82M	+2,763.48%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	1.52%	8.81M	18.6M	5.11M	+138.07%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	1.64%	9.48M	20.01M	9.48M	+100.00%
Dec 31, 2023	MORGAN STANLEY	1.82%	10.56M	22.29M	9.2M	+673.92%
Dec 31, 2023	BIOIMPACT CAPITAL LLC	1.85%	10.72M	22.61M	3.14K	+0.03%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.89%	10.94M	23.09M	930.75K	+9.30%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	2.54%	14.73M	31.08M	-1.34M	-8.35%
Dec 31, 2023	NEA MANAGEMENT COMPANY, LLC	3.93%	22.78M	48.06M	0	0
Dec 31, 2023	TCG CROSSOVER MANAGEMENT, LLC	4.03%	23.38M	49.32M	0	0

Insiders

Among the GERN insiders holding of 0.09% of the stake in company, GREENWOOD DAVID, President, Interim CEO, CFO, holds the largest shares of 754.03K. LEBKOWSKI JANE, SVP, Chief Scientific Officer, is the second largest GERN insider with ownership of 568.15K shares. KELSEY STEPHEN MICHAEL, EVP, R&D Head, CMO, stands third with possession of 473.12K shares of that stake.

Insiders	Designation	Shares Held
GREENWOOD DAVID	President, Interim CEO, CFO	754.03K
LEBKOWSKI JANE	SVP, Chief Scientific Officer	568.15K
KELSEY STEPHEN MICHAEL	EVP, R&D Head, CMO	473.12K
EARP DAVID	SVP, Corp Transactions	467.41K
OKARMA THOMAS	President and CEO	437.06K
SPINK KATHARINE E.	SVP Alliance Mgmt & Operations	328.56K
KILEY THOMAS	director	314.06K
BRADBURY DANIEL	director	142.78K
ZIEGLER JAMES	EVP, Chief Commercial Officer	100K
BLOOM OLIVIA KYUSUK	EVP, Chief Financial Officer	74.59K
HARLEY CALVIN	VP, CSO Telomerase Tech	69.04K
SPIEGEL ROBERT J.	director	65.58K
WALKER JOHN PETER	director	39.12K
BENEDETTI FABIO M	SVP, Chief Med Off, Oncology	38.06K
SAMUELS SCOTT ALAN	EVP, Chief Legal Officer	26.68K
HOFSTAETTER THOMAS	director	26.56K
LAWLIS V BRYAN	director	13.3K
SCARLETT JOHN A	Chairman, President and CEO	12.5K
O'FARRELL ELIZABETH G.	director	7.41K
KAPUR ANIL	EVP, Corp Strategy & CCO	0
FELLER FAYE	EVP, Chief Medical Officer	0
GRETHLEIN ANDREW J	EVP, Chief Operating Officer	0
MOLINEAUX SUSAN	director	0
ROSENFIELD STEPHEN	EVP, Genl Counsel & Secretary	0
BEHRS MELISSA KELLY	EVP, Chief Business Officer	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 09, 2025	LAWLIS V BRYAN	PURCHASE	1.18	13.3K	15.67K	13.3K
Feb 27, 2025	ZIEGLER JAMES	PURCHASE	1.60	100K	160K	100K
Feb 27, 2025	SCARLETT JOHN A	PURCHASE	1.76	12.5K	22.06K	12.5K
Feb 27, 2025	SAMUELS SCOTT ALAN	PURCHASE	1.61	15K	24.15K	26.68K
Jul 08, 2024	GRETHLEIN ANDREW J	SALE	4.56	674.35K	3.07M	0
Jun 10, 2024	FELLER FAYE	SALE	4.63	287.9K	1.33M	0
Jun 10, 2024	KAPUR ANIL	SALE	4.64	421.88K	1.96M	0
Jun 04, 2024	SCARLETT JOHN A	SALE	4.00	600K	2.4M	600K
May 15, 2024	LAWLIS V BRYAN	SALE	3.75	35K	131.25K	0
Aug 24, 2023	O'FARRELL ELIZABETH G.	PURCHASE	2.28	6.61K	15.06K	7.41K
May 11, 2023	LAWLIS V BRYAN	SALE	3.00	35K	105K	0
May 01, 2023	MOLINEAUX SUSAN	SALE	2.48	35K	86.8K	0
Feb 10, 2023	SCARLETT JOHN A	SALE	3.00	446.67K	1.34M	0
Feb 09, 2023	GRETHLEIN ANDREW J	SALE	3.03	234.72K	711.2K	0
Feb 09, 2023	SCARLETT JOHN A	SALE	3.03	446.67K	1.35M	0
Feb 08, 2023	BLOOM OLIVIA KYUSUK	SALE	3.08	400K	1.23M	74.59K
Feb 08, 2023	SCARLETT JOHN A	SALE	3.08	446.67K	1.38M	0
Aug 21, 2020	O'FARRELL ELIZABETH G.	PURCHASE	1.73	17.44K	30.17K	19.64K
Jan 10, 2020	O'FARRELL ELIZABETH G.	PURCHASE	1.35	800	1.08K	800
Apr 09, 2019	BEHRS MELISSA KELLY	SALE	2.00	120.64K	241.27K	0
Sep 13, 2018	SPIEGEL ROBERT J.	SALE	6.85	35K	239.75K	65.58K
Aug 24, 2018	ROSENFIELD STEPHEN	SALE	4.51	37.5K	169.13K	0
May 29, 2015	BEHRS MELISSA KELLY	SALE	3.84	2.38K	9.14K	120.64K
May 29, 2015	BLOOM OLIVIA KYUSUK	SALE	3.84	2.38K	9.14K	74.59K
Mar 18, 2015	HOFSTAETTER THOMAS	SALE	4.10	70K	287K	26.56K
May 29, 2014	BLOOM OLIVIA KYUSUK	SALE	2.10	3.38K	7.1K	81.97K
May 29, 2014	BEHRS MELISSA KELLY	SALE	2.10	4.83K	10.13K	143.02K
May 09, 2014	BRADBURY DANIEL	PURCHASE	1.75	142.78K	249.86K	142.78K
Apr 01, 2014	BEHRS MELISSA KELLY	SALE	2.13	12.31K	26.22K	147.84K
Apr 01, 2014	BLOOM OLIVIA KYUSUK	SALE	2.13	7.44K	15.84K	85.35K
Apr 01, 2013	SCARLETT JOHN A	PURCHASE	1.03	50K	51.5K	125K
Jan 17, 2013	BEHRS MELISSA KELLY	SALE	1.65	28.29K	46.57K	0
May 30, 2012	EARP DAVID	SALE	1.37	27.16K	37.2K	467.41K
May 30, 2012	BEHRS MELISSA KELLY	SALE	1.37	18.91K	25.91K	405.15K
May 30, 2012	BLOOM OLIVIA KYUSUK	SALE	1.37	11.03K	15.11K	147.78K
May 30, 2012	KELSEY STEPHEN MICHAEL	SALE	1.37	9.3K	12.74K	473.12K
Jan 24, 2012	SCARLETT JOHN A	PURCHASE	1.72	75K	129K	75K
Nov 22, 2011	KILEY THOMAS	PURCHASE	1.56	64.28K	100.27K	314.06K
Oct 05, 2011	KILEY THOMAS	PURCHASE	2.03	50K	101.5K	96.65K
Jun 14, 2011	SPINK KATHARINE E.	SALE	4.28	22.59K	96.69K	328.56K
Jun 14, 2011	BEHRS MELISSA KELLY	SALE	4.28	25.26K	108.12K	424.06K
Jun 14, 2011	BLOOM OLIVIA KYUSUK	SALE	4.28	7K	29.95K	158.81K
Jun 14, 2011	LEBKOWSKI JANE	SALE	4.28	25.26K	108.12K	568.15K
Jun 14, 2011	GREENWOOD DAVID	SALE	4.28	34.01K	145.54K	754.03K
Jun 14, 2011	EARP DAVID	SALE	4.28	25.26K	108.12K	494.56K
Jun 14, 2011	KELSEY STEPHEN MICHAEL	SALE	4.28	4.86K	20.79K	476.77K
May 24, 2011	BLOOM OLIVIA KYUSUK	SALE	4.47	1.2K	5.36K	165.81K
May 24, 2011	SPINK KATHARINE E.	SALE	4.47	419	1.87K	351.15K
May 24, 2011	GREENWOOD DAVID	SALE	4.47	4.46K	19.95K	788.04K
May 24, 2011	BEHRS MELISSA KELLY	SALE	4.47	2.98K	13.3K	449.32K
May 24, 2011	LEBKOWSKI JANE	SALE	4.47	2.98K	13.3K	593.42K
May 24, 2011	EARP DAVID	SALE	4.47	2.98K	13.3K	519.82K
May 05, 2011	KELSEY STEPHEN MICHAEL	SALE	4.83	14.16K	68.41K	364.13K
Jun 02, 2010	GREENWOOD DAVID	SALE	5.43	14.75K	80.07K	260K
Jun 02, 2010	LEBKOWSKI JANE	SALE	5.43	10.62K	57.65K	196.89K
Jun 02, 2010	EARP DAVID	SALE	5.43	10.62K	57.65K	203.3K
Jun 02, 2010	BEHRS MELISSA KELLY	SALE	5.43	10.62K	57.65K	136.05K
Jun 02, 2010	SPINK KATHARINE E.	SALE	5.43	8.19K	44.45K	91.57K
Jun 02, 2010	OKARMA THOMAS	SALE	5.43	18.87K	102.49K	437.06K
May 24, 2010	GREENWOOD DAVID	SALE	5.11	3.5K	17.9K	274.74K
May 24, 2010	EARP DAVID	SALE	5.11	2.34K	11.94K	213.92K
May 24, 2010	BEHRS MELISSA KELLY	SALE	5.11	2.34K	11.94K	146.67K
May 24, 2010	OKARMA THOMAS	SALE	5.11	4.67K	23.87K	455.93K
May 24, 2010	LEBKOWSKI JANE	SALE	5.11	2.34K	11.94K	207.51K
May 24, 2010	SPINK KATHARINE E.	SALE	5.11	385	1.97K	99.76K
Apr 28, 2010	KELSEY STEPHEN MICHAEL	SALE	5.66	3.71K	20.98K	36.29K
May 29, 2009	EARP DAVID	SALE	6.35	2.28K	14.46K	126.25K
May 29, 2009	BEHRS MELISSA KELLY	SALE	6.35	2.28K	14.46K	59K
May 29, 2009	LEBKOWSKI JANE	SALE	6.35	2.28K	14.46K	119.84K
May 29, 2009	OKARMA THOMAS	SALE	6.35	5.83K	37.01K	300.61K
May 29, 2009	HARLEY CALVIN	SALE	6.35	2.28K	14.46K	69.04K
May 29, 2009	BENEDETTI FABIO M	SALE	6.35	2.28K	14.46K	38.06K
May 29, 2009	GREENWOOD DAVID	SALE	6.35	3.42K	21.69K	153.25K
May 29, 2009	SPINK KATHARINE E.	SALE	6.35	400	2.54K	10.14K
May 26, 2009	LEBKOWSKI JANE	SALE	6.75	14.09K	95.12K	122.12K
May 26, 2009	BEHRS MELISSA KELLY	SALE	6.75	6.82K	46.03K	61.28K
May 26, 2009	SPINK KATHARINE E.	SALE	6.75	2.86K	19.33K	10.54K
May 26, 2009	EARP DAVID	SALE	6.75	15.46K	104.33K	128.53K
May 26, 2009	GREENWOOD DAVID	SALE	6.75	19.32K	130.41K	156.66K
May 26, 2009	HARLEY CALVIN	SALE	6.75	10K	67.51K	71.31K
May 26, 2009	OKARMA THOMAS	SALE	6.75	46.67K	315.02K	306.43K
Apr 03, 2009	BENEDETTI FABIO M	SALE	4.44	5.2K	23.07K	40.34K
Feb 02, 2009	BEHRS MELISSA KELLY	SALE	8.12	14.77K	119.89K	0
Jan 30, 2009	WALKER JOHN PETER	SALE	8.28	48.62K	402.55K	39.12K
Jan 29, 2009	HARLEY CALVIN	SALE	7.08	25K	177K	99.16K
Jan 05, 2009	EARP DAVID	SALE	4.90	8.86K	43.42K	155.76K
Jan 05, 2009	BEHRS MELISSA KELLY	SALE	4.90	8.86K	43.42K	79.88K
Jan 05, 2009	OKARMA THOMAS	SALE	4.90	12.51K	61.31K	353.1K
Jan 05, 2009	LEBKOWSKI JANE	SALE	4.90	8.86K	43.42K	149.91K
Jan 05, 2009	HARLEY CALVIN	SALE	4.90	8.86K	43.42K	125.7K
Jan 05, 2009	GREENWOOD DAVID	SALE	4.90	10.73K	52.59K	179.56K
Nov 05, 2008	BEHRS MELISSA KELLY	SALE	4.05	23.85K	96.57K	88.74K
Jan 04, 2008	EARP DAVID	SALE	5.34	8.91K	47.58K	154.82K
Jan 04, 2008	LEBKOWSKI JANE	SALE	5.34	8.91K	47.58K	147.62K
Jan 04, 2008	BEHRS MELISSA KELLY	SALE	5.34	8.91K	47.58K	94.29K
Jan 04, 2008	GREENWOOD DAVID	SALE	5.34	11.04K	58.95K	171.78K
Jan 04, 2008	HARLEY CALVIN	SALE	5.34	8.91K	47.58K	119.39K
Jan 04, 2008	OKARMA THOMAS	SALE	5.34	13.17K	70.31K	361.49K
Nov 12, 2007	GREENWOOD DAVID	SALE	7.20	4K	28.8K	179.25K
May 18, 2007	HARLEY CALVIN	SALE	9.22	9K	82.98K	78.22K
Jan 09, 2006	BEHRS MELISSA KELLY	SALE	8.56	8.44K	72.25K	7.36K
Jan 09, 2006	HARLEY CALVIN	SALE	8.56	9.18K	78.61K	8.04K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE140.8K4

SALES00

NET SHARES140.8K4

SHARES HELD152.48K4

% NET SHARES-7.66%0%

Frequently Asked Questions

Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares9.89

Short Percent Of Float10.34

Shares Outstanding636.92M

Shares Float537.81M

Shares Short62.99M

Short Ratio5.72

10.34%

Short % of Float

9.89%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.09% Percentage of Shares held by All Insiders

81.26% Percentage of Shares held by All Institutions

81.34% Percentage of Float held by Institutions

353

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2025	SEGALL BRYANT & HAMILL, LLC	1.12%	7.43M	11.81M	-19.42K	-0.26%
Mar 31, 2025	POINT72 ASSET MANAGEMENT, L.P.	1.07%	7.13M	11.33M	5.64M	+378.67%
Mar 31, 2025	VESTAL POINT CAPITAL, LP	3.3%	22.01M	34.99M	11.01M	+100.05%
Mar 31, 2025	SOLEUS CAPITAL MANAGEMENT, L.P.	0.36%	2.4M	3.82M	2.4M	+100.00%
Mar 31, 2025	683 CAPITAL MANAGEMENT, LLC	0.43%	2.85M	4.53M	2.85M	+100.00%
Mar 31, 2025	BALYASNY ASSET MANAGEMENT L.P.	0.53%	3.51M	5.58M	3.51M	+100.00%
Mar 31, 2025	CITIGROUP INC	0.17%	1.12M	1.78M	119.73K	+11.97%
Mar 31, 2025	UBS ASSET MANAGEMENT AMERICAS INC	0.21%	1.37M	2.18M	104.84K	+8.27%
Mar 31, 2025	NAN FUNG GROUP HOLDINGS LTD	0.21%	1.37M	2.18M	0	0
Mar 31, 2025	BANK OF NEW YORK MELLON CORP	0.25%	1.64M	2.61M	-9.61K	-0.58%
Mar 31, 2025	ALLY BRIDGE GROUP (NY) LLC	0.31%	2.06M	3.27M	981.81K	+91.35%
Mar 31, 2025	WELLINGTON MANAGEMENT GROUP LLP	0.45%	2.98M	4.75M	-10.53M	-77.91%
Mar 31, 2025	EXOME ASSET MANAGEMENT LLC	0.48%	3.22M	5.11M	1.65M	+105.97%
Mar 31, 2025	ALGERT GLOBAL LLC	0.49%	3.26M	5.19M	2.73M	+516.80%
Mar 31, 2025	INVESCO LTD.	0.54%	3.62M	5.75M	1.54M	+74.17%
Mar 31, 2025	KYNAM CAPITAL MANAGEMENT, LP	0.55%	3.66M	5.82M	3.66M	+100.00%
Mar 31, 2025	DEUTSCHE BANK AG\	0.57%	3.79M	6.03M	2.9M	+324.97%
Mar 31, 2025	QUBE RESEARCH & TECHNOLOGIES LTD	0.72%	4.8M	7.62M	3.27M	+213.58%
Mar 31, 2025	MARSHALL WACE, LLP	0.77%	5.14M	8.17M	2.94M	+133.34%
Mar 31, 2025	UBS GROUP AG	0.78%	5.21M	8.29M	-1.41M	-21.33%
Mar 31, 2025	NORTHERN TRUST CORP	0.79%	5.26M	8.36M	-324.64K	-5.82%
Mar 31, 2025	CLEARBRIDGE INVESTMENTS, LLC	1.3%	8.69M	13.81M	8.69M	+100.00%
Mar 31, 2025	MILLENNIUM MANAGEMENT LLC	1.62%	10.81M	17.18M	3.77M	+53.62%
Mar 31, 2025	MORGAN STANLEY	1.73%	11.53M	18.34M	-153.1K	-1.31%
Mar 31, 2025	FMR LLC	1.86%	12.37M	19.66M	-1.97M	-13.73%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	2.04%	13.57M	21.58M	426.08K	+3.24%
Mar 31, 2025	JANUS HENDERSON GROUP PLC	2.84%	18.89M	31.11M	-8.19M	-30.24%
Mar 31, 2025	STATE STREET CORP	3.59%	23.91M	38.02M	-3.25M	-11.95%
Mar 31, 2025	VIVO CAPITAL, LLC	4.09%	27.23M	43.29M	0	0
Mar 31, 2025	VANGUARD GROUP INC	5.13%	34.15M	54.29M	608.03K	+1.81%
Mar 31, 2025	DEEP TRACK CAPITAL, LP	5.73%	38.18M	60.7M	34.16M	+851.72%
Mar 31, 2025	BANK OF AMERICA CORP /DE/	1.46%	9.69M	15.41M	5.79M	+148.48%
Mar 31, 2025	BLACKROCK, INC.	7.37%	49.08M	78.03M	-782.45K	-1.57%
Mar 31, 2025	RA CAPITAL MANAGEMENT, L.P.	9.07%	60.38M	96M	30.37M	+101.20%
Mar 31, 2025	WOODLINE PARTNERS LP	1.16%	7.73M	12.29M	-3.86M	-33.30%
Mar 31, 2025	BARCLAYS PLC	0.17%	1.15M	1.84M	-373.83K	-24.45%
Mar 31, 2025	SQUAREPOINT OPS LLC	0.21%	1.4M	2.23M	1.34M	+2,354.86%
Mar 31, 2025	HRT FINANCIAL LP	0.21%	1.41M	2.24M	1.24M	+745.65%
Mar 31, 2025	AFFINITY ASSET ADVISORS, LLC	0.23%	1.5M	2.39M	-750K	-33.33%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.28%	1.87M	2.98M	1.08M	+137.73%
Mar 31, 2025	CANDRIAM S.C.A.	0.28%	1.9M	3.01M	1.9M	+100.00%
Mar 31, 2025	EDMOND DE ROTHSCHILD HOLDING S.A.	0.32%	2.13M	3.39M	280K	+15.14%
Mar 31, 2025		0.43%	2.85M	4.53M	2.85M	+100.00%
Mar 31, 2025	ABRDN PLC	0.55%	3.69M	5.87M	1.85M	+99.90%
Mar 31, 2025	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.67%	4.45M	7.08M	-72.83K	-1.61%
Mar 31, 2025	LOGOS GLOBAL MANAGEMENT LP	1.2%	8M	12.72M	6M	+300.00%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0.84%	5.6M	8.91M	4.15M	+285.56%
Mar 31, 2025	EVENTIDE ASSET MANAGEMENT, LLC	1.06%	7.07M	11.24M	0	0
Mar 31, 2025	GOLDMAN SACHS GROUP INC	1.22%	8.14M	12.94M	-5.47M	-40.22%
Mar 31, 2025	CITADEL ADVISORS LLC	1%	6.66M	10.59M	2.48M	+59.25%
Mar 31, 2024	READYSTATE ASSET MANAGEMENT LP	0.2%	1.19M	3.93M	1.19M	+100.00%
Mar 31, 2024	ROSALIND ADVISORS, INC.	0.03%	200K	660K	0	0
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	1.23%	7.3M	24.1M	-7.43M	-50.43%
Mar 31, 2024	ADAGE CAPITAL PARTNERS GP, L.L.C.	1.19%	7.2M	23.76M	7.2M	+100.00%
Mar 31, 2024	FAIRMOUNT FUNDS MANAGEMENT LLC	1.1%	6.67M	22M	6.67M	+100.00%
Mar 31, 2024	BOXER CAPITAL, LLC	0.99%	6M	19.8M	3M	+100.00%
Mar 31, 2024	INVESCO LTD.	0.92%	5.47M	18.05M	1.11M	+25.43%
Mar 31, 2024	NORTHERN TRUST CORP	0.85%	5.03M	16.59M	-89.17K	-1.74%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.74%	4.39M	14.49M	1.21M	+38.05%
Mar 31, 2024	MORGAN STANLEY	0.56%	3.35M	11.07M	-7.21M	-68.25%
Mar 31, 2024	SAMLYN CAPITAL, LLC	0.52%	3.11M	10.28M	3.11M	+100.00%
Mar 31, 2024	BLACKROCK INC.	6.96%	41.41M	136.67M	-758.1K	-1.80%
Mar 31, 2024	DEEP TRACK CAPITAL, LP	5.05%	30.51M	100.67M	922.48K	+3.12%
Mar 31, 2024	VANGUARD GROUP INC	5.02%	29.87M	98.57M	1.3M	+4.57%
Mar 31, 2024	VIVO CAPITAL, LLC	4.51%	27.23M	89.84M	3.08M	+12.76%
Mar 31, 2024	TCG CROSSOVER MANAGEMENT, LLC	2.88%	17.39M	57.39M	-5.98M	-25.60%
Mar 31, 2024	FMR LLC	2.14%	12.76M	42.11M	5.73M	+81.45%
Mar 31, 2024	ORBIMED ADVISORS LLC	2.14%	12.89M	42.55M	12.41M	+2,558.48%
Mar 31, 2024	RA CAPITAL MANAGEMENT, L.P.	7.66%	46.2M	152.47M	0	0
Mar 31, 2024	NEA MANAGEMENT COMPANY, LLC	2.12%	12.78M	42.16M	-10M	-43.91%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.92%	11.43M	37.71M	482.34K	+4.41%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	1.84%	10.94M	36.11M	1.46M	+15.37%
Mar 31, 2024	BIOIMPACT CAPITAL LLC	1.74%	10.48M	34.57M	-239.95K	-2.24%
Mar 31, 2024	LOGOS GLOBAL MANAGEMENT LP	1.49%	9M	29.7M	9M	+100.00%
Mar 31, 2024	SEGALL BRYANT & HAMILL, LLC	0.74%	4.45M	14.68M	29.08K	+0.66%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.65%	3.89M	12.84M	47.26K	+1.23%
Mar 31, 2024	DEUTSCHE BANK AG\	0.23%	1.35M	4.46M	-5.72M	-80.87%
Mar 31, 2024	BRIDGER MANAGEMENT, LLC	0.22%	1.34M	4.42M	1.34M	+100.00%
Mar 31, 2024	NAN FUNG GROUP HOLDINGS LTD	0.22%	1.32M	4.37M	411K	+44.99%
Mar 31, 2024	ARTAL GROUP S.A.	0.21%	1.28M	4.23M	1.28M	+100.00%
Mar 31, 2024	WOODLINE PARTNERS LP	0.2%	1.21M	4.01M	1.21M	+100.00%
Mar 31, 2024	KENNEDY CAPITAL MANAGEMENT LLC	0.19%	1.13M	3.71M	-9.92K	-0.87%
Mar 31, 2024	SATURN V CAPITAL MANAGEMENT LLC	0.19%	1.12M	3.71M	1.12M	+100.00%
Mar 31, 2024	STATE STREET CORP	5.31%	31.6M	104.29M	5.98M	+23.33%
Mar 31, 2024	FARALLON CAPITAL MANAGEMENT LLC	1.24%	7.5M	24.73M	7.5M	+100.00%
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.52%	3.14M	10.36M	3.14M	+100.00%
Mar 31, 2024	ALLY BRIDGE GROUP (NY) LLC	0.46%	2.76M	9.11M	-211.14K	-7.11%
Mar 31, 2024	AFFINITY ASSET ADVISORS, LLC	0.41%	2.5M	8.25M	2.5M	+100.00%
Mar 31, 2024	RAFFERTY ASSET MANAGEMENT, LLC	0.4%	2.41M	7.96M	742.12K	+44.46%
Mar 31, 2024	VESTAL POINT CAPITAL, LP	0.36%	2.2M	7.26M	2.2M	+100.00%
Mar 31, 2024	CITIGROUP INC	0.36%	2.15M	7.1M	1.44M	+202.12%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.35%	2.06M	6.82M	1.88M	+999.68%
Mar 31, 2024	JPMORGAN CHASE & CO	0.34%	2M	6.6M	261.14K	+15.02%
Mar 31, 2024	UBS GROUP AG	0.3%	1.81M	5.96M	365.71K	+25.37%
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.29%	1.75M	5.78M	513.37K	+41.49%
Mar 31, 2024	LAURION CAPITAL MANAGEMENT LP	0.28%	1.67M	5.5M	1.67M	+100.00%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.27%	1.6M	5.28M	-170.41K	-9.62%
Mar 31, 2024	ALTITUDE CREST PARTNERS INC.	0.25%	1.53M	5.05M	1.53M	+100.00%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.25%	1.5M	4.95M	10.41K	+0.70%
Mar 31, 2024	MML INVESTORS SERVICES, LLC	0.17%	1.05M	3.48M	-241.8K	-18.67%
Mar 31, 2024	CITADEL ADVISORS LLC	0.17%	986.11K	3.25M	342.95K	+53.32%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.08%	481.71K	1.59M	481.71K	+100.00%
Mar 31, 2024	SWISS NATIONAL BANK	0.14%	804.3K	2.65M	30.7K	+3.97%
Mar 31, 2024	RHUMBLINE ADVISERS	0.12%	727.22K	2.4M	18.08K	+2.55%
Mar 31, 2024	CREDIT SUISSE AG/	0.12%	686.89K	2.27M	17.76K	+2.65%
Mar 31, 2024	PATHWAY CAPITAL MANAGEMENT, LP	0.11%	636.84K	2.1M	636.84K	+100.00%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.09%	512.74K	1.69M	0	0
Mar 31, 2024	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0.08%	500K	1.65M	-278.5K	-35.77%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.07%	396.05K	1.31B	-14.37K	-3.50%
Mar 31, 2024	ALPS ADVISORS INC	0.06%	385.15K	1.27M	26.37K	+7.35%
Mar 31, 2024	SUMMIT X, LLC	0.06%	381.67K	1.26M	19.71K	+5.45%
Mar 31, 2024	PROFUND ADVISORS LLC	0.06%	376.36K	1.24B	100.54K	+36.45%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.06%	362.87K	1.2M	102.04K	+39.12%
Mar 31, 2024	ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC	0.06%	344.06K	1.14M	-6.96K	-1.98%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.06%	331.81K	1.09M	-40.84K	-10.96%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.05%	295.55K	975.32K	-418.46K	-58.61%
Mar 31, 2024	STATE OF TENNESSEE, TREASURY DEPARTMENT	0.05%	279.93K	923.77K	279.93K	+100.00%
Mar 31, 2024	METLIFE INVESTMENT MANAGEMENT, LLC	0.05%	271.57K	896.19K	8.91K	+3.39%
Mar 31, 2024	ADVISOR GROUP HOLDINGS, INC.	0.05%	268.2K	885.07K	41K	+18.04%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	252.5K	833.23K	-2.17K	-0.85%
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.04%	251.72K	831K	251.72K	+100.00%
Mar 31, 2024	SILVERARC CAPITAL MANAGEMENT, LLC	0.04%	250K	825K	250K	+100.00%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.04%	238.8K	788.04M	238.8K	+100.00%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.04%	209.37K	690.93K	29.57K	+16.44%
Dec 31, 2023	RAFFERTY ASSET MANAGEMENT, LLC	0.29%	1.67M	3.52M	-233.18K	-12.26%
Dec 31, 2023	JPMORGAN CHASE & CO	0.3%	1.74M	3.67M	109.39K	+6.71%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.31%	1.77M	3.74M	157.89K	+9.79%
Dec 31, 2023	MARSHALL WACE, LLP	0.36%	2.08M	4.39M	-3.78M	-64.53%
Dec 31, 2023	VIVO CAPITAL, LLC	4.17%	24.14M	50.94M	7.62M	+46.11%
Dec 31, 2023	STATE STREET CORP	4.42%	25.63M	54.07M	254.22K	+1.00%
Dec 31, 2023	VANGUARD GROUP INC	4.93%	28.56M	60.27M	1.91M	+7.18%
Dec 31, 2023	DEEP TRACK CAPITAL, LP	5.1%	29.58M	62.42M	3.88M	+15.11%
Dec 31, 2023	BLACKROCK INC.	7.28%	42.17M	88.98M	5.01M	+13.49%
Dec 31, 2023	RA CAPITAL MANAGEMENT, L.P.	7.97%	46.2M	97.49M	0	0
Dec 31, 2023	ORBIMED ADVISORS LLC	0.08%	485K	1.02M	485K	+100.00%
Dec 31, 2023	BARCLAYS PLC	0.27%	1.58M	3.33M	11.24K	+0.72%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.09%	512.74K	1.08M	0	0
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.09%	546.8K	1.15M	-657.27K	-54.59%
Dec 31, 2023	ALLY BRIDGE GROUP (NY) LLC	0.51%	2.97M	6.27M	750K	+33.76%
Dec 31, 2023		0.1%	607.5K	1.28M	607.5K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.11%	613.42K	1.29M	425.06K	+225.67%
Dec 31, 2023	AMERIPRISE FINANCIAL INC	0.11%	617.36K	1.3M	13.26K	+2.20%
Dec 31, 2023	CITADEL ADVISORS LLC	0.11%	643.16K	1.36M	251.46K	+64.19%
Dec 31, 2023	CREDIT SUISSE AG/	0.12%	669.13K	1.41M	12.56K	+1.91%
Dec 31, 2023	CRESTLINE MANAGEMENT, LP	0.12%	687.38K	1.45M	102.23K	+17.47%
Dec 31, 2023	RHUMBLINE ADVISERS	0.12%	709.14K	1.5M	3.16K	+0.45%
Dec 31, 2023	CITIGROUP INC	0.12%	711.95K	1.5M	-93.96K	-11.66%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.12%	714.01K	1.51M	196.33K	+37.92%
Dec 31, 2023	SWISS NATIONAL BANK	0.13%	773.6K	1.63M	-232.9K	-23.14%
Dec 31, 2023	VELAN CAPITAL INVESTMENT MANAGEMENT LP	0.13%	778.5K	1.64M	0	0
Dec 31, 2023	NAN FUNG GROUP HOLDINGS LTD	0.16%	913.55K	1.93M	160K	+21.23%
Dec 31, 2023	KENNEDY CAPITAL MANAGEMENT LLC	0.2%	1.14M	2.4M	1.14M	+100.00%
Dec 31, 2023	RUSSELL INVESTMENTS GROUP, LTD.	0.21%	1.24M	2.61M	204.77K	+19.83%
Dec 31, 2023	WALLEYE CAPITAL LLC	0.22%	1.28M	2.69M	-950.55K	-42.70%
Dec 31, 2023	MML INVESTORS SERVICES, LLC	0.22%	1.3M	2.73M	0	0
Dec 31, 2023	UBS GROUP AG	0.25%	1.44M	3.04M	790.42K	+121.38%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.26%	1.49M	3.15M	24.85K	+1.70%
Dec 31, 2023	BOXER CAPITAL, LLC	0.52%	3M	6.33M	0	0
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.55%	3.18M	6.71M	-339.06K	-9.63%
Dec 31, 2023	ARMISTICE CAPITAL, LLC	0.57%	3.3M	6.95M	-328K	-9.05%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.66%	3.84M	8.11M	208.17K	+5.73%
Dec 31, 2023	INVESCO LTD.	0.75%	4.36M	9.2M	-197.46K	-4.33%
Dec 31, 2023	SEGALL BRYANT & HAMILL, LLC	0.76%	4.42M	9.33M	-570.68K	-11.44%
Dec 31, 2023	NORTHERN TRUST CORP	0.88%	5.12M	10.8M	-241.3K	-4.50%
Dec 31, 2023	FMR LLC	1.21%	7.03M	14.84M	-528.71K	-6.99%
Dec 31, 2023	DEUTSCHE BANK AG\	1.22%	7.07M	14.91M	6.82M	+2,763.48%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	1.52%	8.81M	18.6M	5.11M	+138.07%
Dec 31, 2023	WELLINGTON MANAGEMENT GROUP LLP	1.64%	9.48M	20.01M	9.48M	+100.00%
Dec 31, 2023	MORGAN STANLEY	1.82%	10.56M	22.29M	9.2M	+673.92%
Dec 31, 2023	BIOIMPACT CAPITAL LLC	1.85%	10.72M	22.61M	3.14K	+0.03%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.89%	10.94M	23.09M	930.75K	+9.30%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	2.54%	14.73M	31.08M	-1.34M	-8.35%
Dec 31, 2023	NEA MANAGEMENT COMPANY, LLC	3.93%	22.78M	48.06M	0	0
Dec 31, 2023	TCG CROSSOVER MANAGEMENT, LLC	4.03%	23.38M	49.32M	0	0

Insiders

Insiders	Designation	Shares Held
GREENWOOD DAVID	President, Interim CEO, CFO	754.03K
LEBKOWSKI JANE	SVP, Chief Scientific Officer	568.15K
KELSEY STEPHEN MICHAEL	EVP, R&D Head, CMO	473.12K
EARP DAVID	SVP, Corp Transactions	467.41K
OKARMA THOMAS	President and CEO	437.06K
SPINK KATHARINE E.	SVP Alliance Mgmt & Operations	328.56K
KILEY THOMAS	director	314.06K
BRADBURY DANIEL	director	142.78K
ZIEGLER JAMES	EVP, Chief Commercial Officer	100K
BLOOM OLIVIA KYUSUK	EVP, Chief Financial Officer	74.59K
HARLEY CALVIN	VP, CSO Telomerase Tech	69.04K
SPIEGEL ROBERT J.	director	65.58K
WALKER JOHN PETER	director	39.12K
BENEDETTI FABIO M	SVP, Chief Med Off, Oncology	38.06K
SAMUELS SCOTT ALAN	EVP, Chief Legal Officer	26.68K
HOFSTAETTER THOMAS	director	26.56K
LAWLIS V BRYAN	director	13.3K
SCARLETT JOHN A	Chairman, President and CEO	12.5K
O'FARRELL ELIZABETH G.	director	7.41K
KAPUR ANIL	EVP, Corp Strategy & CCO	0
FELLER FAYE	EVP, Chief Medical Officer	0
GRETHLEIN ANDREW J	EVP, Chief Operating Officer	0
MOLINEAUX SUSAN	director	0
ROSENFIELD STEPHEN	EVP, Genl Counsel & Secretary	0
BEHRS MELISSA KELLY	EVP, Chief Business Officer	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
May 09, 2025	LAWLIS V BRYAN	PURCHASE	1.18	13.3K	15.67K	13.3K
Feb 27, 2025	ZIEGLER JAMES	PURCHASE	1.60	100K	160K	100K
Feb 27, 2025	SCARLETT JOHN A	PURCHASE	1.76	12.5K	22.06K	12.5K
Feb 27, 2025	SAMUELS SCOTT ALAN	PURCHASE	1.61	15K	24.15K	26.68K
Jul 08, 2024	GRETHLEIN ANDREW J	SALE	4.56	674.35K	3.07M	0
Jun 10, 2024	FELLER FAYE	SALE	4.63	287.9K	1.33M	0
Jun 10, 2024	KAPUR ANIL	SALE	4.64	421.88K	1.96M	0
Jun 04, 2024	SCARLETT JOHN A	SALE	4.00	600K	2.4M	600K
May 15, 2024	LAWLIS V BRYAN	SALE	3.75	35K	131.25K	0
Aug 24, 2023	O'FARRELL ELIZABETH G.	PURCHASE	2.28	6.61K	15.06K	7.41K
May 11, 2023	LAWLIS V BRYAN	SALE	3.00	35K	105K	0
May 01, 2023	MOLINEAUX SUSAN	SALE	2.48	35K	86.8K	0
Feb 10, 2023	SCARLETT JOHN A	SALE	3.00	446.67K	1.34M	0
Feb 09, 2023	GRETHLEIN ANDREW J	SALE	3.03	234.72K	711.2K	0
Feb 09, 2023	SCARLETT JOHN A	SALE	3.03	446.67K	1.35M	0
Feb 08, 2023	BLOOM OLIVIA KYUSUK	SALE	3.08	400K	1.23M	74.59K
Feb 08, 2023	SCARLETT JOHN A	SALE	3.08	446.67K	1.38M	0
Aug 21, 2020	O'FARRELL ELIZABETH G.	PURCHASE	1.73	17.44K	30.17K	19.64K
Jan 10, 2020	O'FARRELL ELIZABETH G.	PURCHASE	1.35	800	1.08K	800
Apr 09, 2019	BEHRS MELISSA KELLY	SALE	2.00	120.64K	241.27K	0
Sep 13, 2018	SPIEGEL ROBERT J.	SALE	6.85	35K	239.75K	65.58K
Aug 24, 2018	ROSENFIELD STEPHEN	SALE	4.51	37.5K	169.13K	0
May 29, 2015	BEHRS MELISSA KELLY	SALE	3.84	2.38K	9.14K	120.64K
May 29, 2015	BLOOM OLIVIA KYUSUK	SALE	3.84	2.38K	9.14K	74.59K
Mar 18, 2015	HOFSTAETTER THOMAS	SALE	4.10	70K	287K	26.56K
May 29, 2014	BLOOM OLIVIA KYUSUK	SALE	2.10	3.38K	7.1K	81.97K
May 29, 2014	BEHRS MELISSA KELLY	SALE	2.10	4.83K	10.13K	143.02K
May 09, 2014	BRADBURY DANIEL	PURCHASE	1.75	142.78K	249.86K	142.78K
Apr 01, 2014	BEHRS MELISSA KELLY	SALE	2.13	12.31K	26.22K	147.84K
Apr 01, 2014	BLOOM OLIVIA KYUSUK	SALE	2.13	7.44K	15.84K	85.35K
Apr 01, 2013	SCARLETT JOHN A	PURCHASE	1.03	50K	51.5K	125K
Jan 17, 2013	BEHRS MELISSA KELLY	SALE	1.65	28.29K	46.57K	0
May 30, 2012	EARP DAVID	SALE	1.37	27.16K	37.2K	467.41K
May 30, 2012	BEHRS MELISSA KELLY	SALE	1.37	18.91K	25.91K	405.15K
May 30, 2012	BLOOM OLIVIA KYUSUK	SALE	1.37	11.03K	15.11K	147.78K
May 30, 2012	KELSEY STEPHEN MICHAEL	SALE	1.37	9.3K	12.74K	473.12K
Jan 24, 2012	SCARLETT JOHN A	PURCHASE	1.72	75K	129K	75K
Nov 22, 2011	KILEY THOMAS	PURCHASE	1.56	64.28K	100.27K	314.06K
Oct 05, 2011	KILEY THOMAS	PURCHASE	2.03	50K	101.5K	96.65K
Jun 14, 2011	SPINK KATHARINE E.	SALE	4.28	22.59K	96.69K	328.56K
Jun 14, 2011	BEHRS MELISSA KELLY	SALE	4.28	25.26K	108.12K	424.06K
Jun 14, 2011	BLOOM OLIVIA KYUSUK	SALE	4.28	7K	29.95K	158.81K
Jun 14, 2011	LEBKOWSKI JANE	SALE	4.28	25.26K	108.12K	568.15K
Jun 14, 2011	GREENWOOD DAVID	SALE	4.28	34.01K	145.54K	754.03K
Jun 14, 2011	EARP DAVID	SALE	4.28	25.26K	108.12K	494.56K
Jun 14, 2011	KELSEY STEPHEN MICHAEL	SALE	4.28	4.86K	20.79K	476.77K
May 24, 2011	BLOOM OLIVIA KYUSUK	SALE	4.47	1.2K	5.36K	165.81K
May 24, 2011	SPINK KATHARINE E.	SALE	4.47	419	1.87K	351.15K
May 24, 2011	GREENWOOD DAVID	SALE	4.47	4.46K	19.95K	788.04K
May 24, 2011	BEHRS MELISSA KELLY	SALE	4.47	2.98K	13.3K	449.32K
May 24, 2011	LEBKOWSKI JANE	SALE	4.47	2.98K	13.3K	593.42K
May 24, 2011	EARP DAVID	SALE	4.47	2.98K	13.3K	519.82K
May 05, 2011	KELSEY STEPHEN MICHAEL	SALE	4.83	14.16K	68.41K	364.13K
Jun 02, 2010	GREENWOOD DAVID	SALE	5.43	14.75K	80.07K	260K
Jun 02, 2010	LEBKOWSKI JANE	SALE	5.43	10.62K	57.65K	196.89K
Jun 02, 2010	EARP DAVID	SALE	5.43	10.62K	57.65K	203.3K
Jun 02, 2010	BEHRS MELISSA KELLY	SALE	5.43	10.62K	57.65K	136.05K
Jun 02, 2010	SPINK KATHARINE E.	SALE	5.43	8.19K	44.45K	91.57K
Jun 02, 2010	OKARMA THOMAS	SALE	5.43	18.87K	102.49K	437.06K
May 24, 2010	GREENWOOD DAVID	SALE	5.11	3.5K	17.9K	274.74K
May 24, 2010	EARP DAVID	SALE	5.11	2.34K	11.94K	213.92K
May 24, 2010	BEHRS MELISSA KELLY	SALE	5.11	2.34K	11.94K	146.67K
May 24, 2010	OKARMA THOMAS	SALE	5.11	4.67K	23.87K	455.93K
May 24, 2010	LEBKOWSKI JANE	SALE	5.11	2.34K	11.94K	207.51K
May 24, 2010	SPINK KATHARINE E.	SALE	5.11	385	1.97K	99.76K
Apr 28, 2010	KELSEY STEPHEN MICHAEL	SALE	5.66	3.71K	20.98K	36.29K
May 29, 2009	EARP DAVID	SALE	6.35	2.28K	14.46K	126.25K
May 29, 2009	BEHRS MELISSA KELLY	SALE	6.35	2.28K	14.46K	59K
May 29, 2009	LEBKOWSKI JANE	SALE	6.35	2.28K	14.46K	119.84K
May 29, 2009	OKARMA THOMAS	SALE	6.35	5.83K	37.01K	300.61K
May 29, 2009	HARLEY CALVIN	SALE	6.35	2.28K	14.46K	69.04K
May 29, 2009	BENEDETTI FABIO M	SALE	6.35	2.28K	14.46K	38.06K
May 29, 2009	GREENWOOD DAVID	SALE	6.35	3.42K	21.69K	153.25K
May 29, 2009	SPINK KATHARINE E.	SALE	6.35	400	2.54K	10.14K
May 26, 2009	LEBKOWSKI JANE	SALE	6.75	14.09K	95.12K	122.12K
May 26, 2009	BEHRS MELISSA KELLY	SALE	6.75	6.82K	46.03K	61.28K
May 26, 2009	SPINK KATHARINE E.	SALE	6.75	2.86K	19.33K	10.54K
May 26, 2009	EARP DAVID	SALE	6.75	15.46K	104.33K	128.53K
May 26, 2009	GREENWOOD DAVID	SALE	6.75	19.32K	130.41K	156.66K
May 26, 2009	HARLEY CALVIN	SALE	6.75	10K	67.51K	71.31K
May 26, 2009	OKARMA THOMAS	SALE	6.75	46.67K	315.02K	306.43K
Apr 03, 2009	BENEDETTI FABIO M	SALE	4.44	5.2K	23.07K	40.34K
Feb 02, 2009	BEHRS MELISSA KELLY	SALE	8.12	14.77K	119.89K	0
Jan 30, 2009	WALKER JOHN PETER	SALE	8.28	48.62K	402.55K	39.12K
Jan 29, 2009	HARLEY CALVIN	SALE	7.08	25K	177K	99.16K
Jan 05, 2009	EARP DAVID	SALE	4.90	8.86K	43.42K	155.76K
Jan 05, 2009	BEHRS MELISSA KELLY	SALE	4.90	8.86K	43.42K	79.88K
Jan 05, 2009	OKARMA THOMAS	SALE	4.90	12.51K	61.31K	353.1K
Jan 05, 2009	LEBKOWSKI JANE	SALE	4.90	8.86K	43.42K	149.91K
Jan 05, 2009	HARLEY CALVIN	SALE	4.90	8.86K	43.42K	125.7K
Jan 05, 2009	GREENWOOD DAVID	SALE	4.90	10.73K	52.59K	179.56K
Nov 05, 2008	BEHRS MELISSA KELLY	SALE	4.05	23.85K	96.57K	88.74K
Jan 04, 2008	EARP DAVID	SALE	5.34	8.91K	47.58K	154.82K
Jan 04, 2008	LEBKOWSKI JANE	SALE	5.34	8.91K	47.58K	147.62K
Jan 04, 2008	BEHRS MELISSA KELLY	SALE	5.34	8.91K	47.58K	94.29K
Jan 04, 2008	GREENWOOD DAVID	SALE	5.34	11.04K	58.95K	171.78K
Jan 04, 2008	HARLEY CALVIN	SALE	5.34	8.91K	47.58K	119.39K
Jan 04, 2008	OKARMA THOMAS	SALE	5.34	13.17K	70.31K	361.49K
Nov 12, 2007	GREENWOOD DAVID	SALE	7.20	4K	28.8K	179.25K
May 18, 2007	HARLEY CALVIN	SALE	9.22	9K	82.98K	78.22K
Jan 09, 2006	BEHRS MELISSA KELLY	SALE	8.56	8.44K	72.25K	7.36K
Jan 09, 2006	HARLEY CALVIN	SALE	8.56	9.18K	78.61K	8.04K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE140.8K4

SALES00

NET SHARES140.8K4

SHARES HELD152.48K4

% NET SHARES-7.66%0%

GERN Stock Ownership Breakdown

Geron

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

Stock Outstanding Shares

Market Insider

Institutional Ownership

Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions