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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.
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.
About 28.51% of ACGLO shares are held by financial institutions. NBC SECURITIES, INC. is the top corporate investor, holding 33 shares valued at $719.00. A 0% stake in Arch Capital Group Ltd. is owned by the company. PNC FINANCIAL SERVICES GROUP, INC. owns 440 shares valued at $9.60K, which translates its holding of 0% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Sep 30, 2025 | NBC SECURITIES, INC. | 0% | 33 | 719 | 33 | +100.00% |
| Sep 30, 2025 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 440 | 9.6K | -42 | -8.71% |
| Jun 30, 2025 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 482 | 9.89K | -190 | -28.27% |
| Mar 31, 2025 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 672 | 13.92K | -42 | -5.88% |
| Mar 31, 2024 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 1.02K | 24.06K | 312 | +44.19% |
| Dec 31, 2023 | COVE STREET CAPITAL, LLC | 0% | 0 | - | -7.5K | -100.00% |
| Dec 31, 2023 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 706 | 16.82K | 41 | +6.17% |
| Sep 30, 2023 | COVE STREET CAPITAL, LLC | 0% | 7.5K | 150K | -6.1K | -44.85% |
| Sep 30, 2023 | PNC FINANCIAL SERVICES GROUP, INC. | 0% | 665 | 13.7K | 0 | 0 |
Among the ACGLO insiders holding of N/A of the stake in company, GRANDISSON MARC, CEO, holds the largest shares of 1.94M. BUNCE JOHN L JR, director, is the second largest ACGLO insider with ownership of 1.55M shares. PASQUESI JOHN M, , stands third with possession of 756.64K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| GRANDISSON MARC | CEO | 1.94M |
| BUNCE JOHN L JR | director | 1.55M |
| PASQUESI JOHN M | 756.64K | |
| PAPADOPOULO NICOLAS | OFFICER OF SUBSIDIARY | 630.39K |
| RAJEH MAAMOUN | CHAIRMAN & CEO ARCH RE GROUP | 335.38K |
| GANSBERG DAVID | CEO, GLOBAL MORTGAGE GROUP | 208.37K |
| MORIN FRANCOIS | EVP AND CFO | 193.11K |
| IORDANOU CONSTANTINE | Chairman, President & CEO | 182.76K |
| PETRILLO LOUIS T | OFFICER OF SUBSIDIARY | 105.25K |
| LYONS MARK DONALD | Chairman & CEO Arch Insur Gr | 54.9K |
| INGREY PAUL B | director | 50K |
| VOLLARO JOHN D | director | 46.6K |
| HUTCHINGS W PRESTON | SVP & Chief Investment Officer | 5.89K |
| MEENAGHAN JAMES J | director | 4.1K |
| POSNER BRIAN S | director | 4K |
| BRAGIN WOLFE H | director | 300 |
| LEE KEWSONG | director | 0 |
| CARNEY SEAN | director | 0 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| Nov 22, 2023 | PAPADOPOULO NICOLAS | SALE | 85.80 | 60K | 5.15M | 630.39K |
| Nov 06, 2023 | GRANDISSON MARC | SALE | 85.01 | 103.03K | 8.76M | 1.94M |
| Nov 03, 2023 | GRANDISSON MARC | SALE | 85.62 | 246.97K | 21.15M | 2.04M |
| Nov 02, 2023 | GANSBERG DAVID | SALE | 89.49 | 7.35K | 657.79K | 208.37K |
| May 19, 2023 | GRANDISSON MARC | SALE | 76.10 | 200K | 15.22M | 2.29M |
| May 10, 2023 | PETRILLO LOUIS T | SALE | 76.79 | 15.41K | 1.18M | 105.25K |
| May 09, 2023 | RAJEH MAAMOUN | SALE | 76.41 | 40K | 3.06M | 335.38K |
| May 08, 2023 | MORIN FRANCOIS | SALE | 76.11 | 10K | 761.11K | 193.11K |
| May 03, 2023 | PAPADOPOULO NICOLAS | SALE | 75.48 | 70K | 5.28M | 689.97K |
| May 01, 2023 | RAJEH MAAMOUN | SALE | 76.07 | 15.9K | 1.21M | 375.38K |
| Mar 02, 2023 | PAPADOPOULO NICOLAS | SALE | 70.16 | 30K | 2.1M | 759.97K |
| Feb 21, 2023 | MORIN FRANCOIS | SALE | 67.61 | 15.81K | 1.07M | 185.87K |
| Feb 15, 2023 | PASQUESI JOHN M | SALE | 67.01 | 26.33K | 1.76M | 756.64K |
| Nov 15, 2022 | BUNCE JOHN L JR | SALE | 0.00 | 250K | - | 1.55M |
| Nov 10, 2022 | GANSBERG DAVID | SALE | 0.00 | 30.5K | - | 160.15K |
| Nov 04, 2022 | PAPADOPOULO NICOLAS | SALE | 0.00 | 35.63K | - | 766.18K |
| Oct 31, 2022 | RAJEH MAAMOUN | SALE | 57.09 | 50K | 2.85M | 362.99K |
| Oct 28, 2022 | POSNER BRIAN S | PURCHASE | 17.60 | 2K | 35.2K | 4K |
| Jul 28, 2010 | LYONS MARK DONALD | SALE | 77.50 | 4K | 310K | 54.9K |
| Jun 18, 2010 | IORDANOU CONSTANTINE | SALE | 78.03 | 5K | 390.15K | 182.76K |
| Jun 17, 2010 | IORDANOU CONSTANTINE | SALE | 77.01 | 5K | 385.06K | 187.76K |
| Jun 16, 2010 | IORDANOU CONSTANTINE | SALE | 76.08 | 6.5K | 494.52K | 192.76K |
| Jun 08, 2010 | HUTCHINGS W PRESTON | SALE | 71.11 | 7.2K | 511.99K | 5.89K |
| May 18, 2010 | VOLLARO JOHN D | SALE | 75.32 | 4K | 301.28K | 46.6K |
| May 17, 2010 | LYONS MARK DONALD | SALE | 75.25 | 2K | 150.5K | 58.9K |
| Mar 02, 2010 | CARNEY SEAN | SALE | 74.15 | 588.75K | 43.66M | 0 |
| Mar 02, 2010 | LEE KEWSONG | SALE | 74.15 | 588.75K | 43.66M | 0 |
| Feb 18, 2010 | LYONS MARK DONALD | SALE | 72.00 | 3K | 216K | 53.97K |
| Dec 08, 2009 | CARNEY SEAN | SALE | 68.75 | 239.63K | 16.47M | 588.75K |
| Dec 08, 2009 | LEE KEWSONG | SALE | 68.75 | 239.63K | 16.47M | 588.75K |
| Nov 17, 2009 | IORDANOU CONSTANTINE | PURCHASE | 21.05 | 703 | 14.81K | 11.22K |
| Nov 12, 2009 | PETRILLO LOUIS T | SALE | 70.03 | 60K | 4.2M | 24.01K |
| Aug 10, 2009 | LYONS MARK DONALD | SALE | 62.90 | 2.39K | 150.08K | 56.97K |
| Jul 31, 2009 | LYONS MARK DONALD | SALE | 62.31 | 2.25K | 140.2K | 59.35K |
| Jun 05, 2009 | VOLLARO JOHN D | SALE | 59.52 | 3.5K | 208.32K | 50.6K |
| Mar 11, 2009 | MEENAGHAN JAMES J | PURCHASE | 16.50 | 198 | 3.27K | 4.1K |
| Mar 10, 2009 | IORDANOU CONSTANTINE | PURCHASE | 15.25 | 10K | 152.5K | 62.97K |
| Mar 10, 2009 | BRAGIN WOLFE H | PURCHASE | 15.43 | 300 | 4.63K | 300 |
| Mar 09, 2009 | HUTCHINGS W PRESTON | PURCHASE | 15.48 | 2.5K | 38.69K | 2.5K |
| Mar 06, 2009 | MEENAGHAN JAMES J | PURCHASE | 15.65 | 300 | 4.7K | 2.5K |
| Mar 05, 2009 | MEENAGHAN JAMES J | PURCHASE | 15.43 | 900 | 13.89K | 900 |
| Mar 05, 2009 | HUTCHINGS W PRESTON | PURCHASE | 47.88 | 500 | 23.94K | 3.49K |
| Mar 05, 2009 | IORDANOU CONSTANTINE | PURCHASE | 15.30 | 2.65K | 40.53K | 10.52K |
| Mar 04, 2009 | IORDANOU CONSTANTINE | PURCHASE | 16.00 | 1.37K | 21.95K | 7.87K |
| Mar 03, 2009 | IORDANOU CONSTANTINE | PURCHASE | 15.75 | 1K | 15.75K | 4.5K |
| Mar 02, 2009 | INGREY PAUL B | PURCHASE | 16.85 | 20K | 337K | 50K |
| Mar 02, 2009 | IORDANOU CONSTANTINE | PURCHASE | 16.75 | 3.5K | 58.63K | 3.5K |
| Feb 27, 2009 | INGREY PAUL B | PURCHASE | 16.90 | 20K | 338K | 20K |
| Feb 26, 2009 | IORDANOU CONSTANTINE | PURCHASE | 16.50 | 1.18K | 19.4K | 40.01K |
| Feb 24, 2009 | IORDANOU CONSTANTINE | PURCHASE | 16.25 | 7.43K | 120.74K | 35.83K |
| Feb 23, 2009 | IORDANOU CONSTANTINE | PURCHASE | 16.48 | 1K | 16.48K | 16.22K |
| Feb 20, 2009 | IORDANOU CONSTANTINE | PURCHASE | 17.50 | 1.8K | 31.5K | 3K |
| Feb 19, 2009 | IORDANOU CONSTANTINE | PURCHASE | 17.50 | 1.2K | 21K | 1.2K |
| Nov 07, 2008 | INGREY PAUL B | SALE | 61.17 | 15.7K | 960.31K | 184.57K |
| Nov 06, 2008 | INGREY PAUL B | SALE | 63.07 | 2K | 126.14K | 184.57K |
| Oct 31, 2008 | VOLLARO JOHN D | SALE | 69.25 | 82.7K | 5.73M | 43.9K |
| Oct 29, 2008 | IORDANOU CONSTANTINE | SALE | 71.00 | 16.65K | 1.18M | 0 |
| Oct 29, 2008 | VOLLARO JOHN D | SALE | 71.18 | 18.19K | 1.29M | 43.9K |
| Oct 29, 2008 | PASQUESI JOHN M | SALE | 72.48 | 6.1K | 442.13K | 384.27K |
| Oct 27, 2008 | PASQUESI JOHN M | SALE | 63.08 | 2.6K | 164.01K | 20.74K |
| Jan 10, 2008 | IORDANOU CONSTANTINE | SALE | 72.00 | 28.25K | 2.03M | 226.94K |
| Jan 08, 2008 | IORDANOU CONSTANTINE | SALE | 72.00 | 1.12K | 80.64K | 255.19K |
| Dec 11, 2007 | IORDANOU CONSTANTINE | SALE | 72.05 | 632 | 45.54K | 251.76K |
| Aug 09, 2007 | INGREY PAUL B | SALE | 65.74 | 100 | 6.57K | 191.07K |