David Gansberg, President of Arch Capital Group, sold ACGL shares once on the open market in the last 365 days for a total of $569,266, with the most recent sale on March 10, 2026. His sales rank 6,166th among 11,678 insiders, below the average sale amount of $8.6 million and 6.4 transactions. Gansberg made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 10, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | M | Stock Option (Right to Buy) | 10770 | $0.00 | 0.0000 | 379,100,000 | 100.00% | 0.00% |
| March 10, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | S | Common Shares, $.0011 par value per share | 5907 | $96.37 | 336,559.0000 | 379,100,000 | 1.72% | 0.00% |
| March 10, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | M | Common Shares, $.0011 par value per share | 10770 | $18.90 | 342,466.0000 | 379,100,000 | 3.25% | 0.00% |
| March 3, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Stock Option (Right to Buy) | 24475 | $0.00 | 24,475.0000 | 379,100,000 | 9999.99% | 0.01% |
| March 3, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Common Shares, $.0011 par value per share | 6843 | $0.00 | 344,215.0000 | 379,100,000 | 2.03% | 0.00% |
| March 4, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 12519 | $98.42 | 331,696.0000 | 379,100,000 | 3.64% | 0.00% |
| Feb. 27, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 553 | $100.15 | 337,372.0000 | 379,100,000 | 0.16% | 0.00% |
| Feb. 24, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 509 | $99.18 | 309,379.0000 | 379,100,000 | 0.16% | 0.00% |
| Feb. 24, 2026 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Common Shares, $.0011 par value per share | 28546 | $0.00 | 337,925.0000 | 379,100,000 | 9.23% | 0.01% |
| Nov. 19, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 9494 | $91.17 | 309,888.0000 | 379,100,000 | 2.97% | 0.00% |
| March 4, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Common Shares, $.0011 par value per share | 7484 | $0.00 | 333,255.0000 | 381,800,000 | 2.30% | 0.00% |
| March 4, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 13873 | $91.87 | 319,382.0000 | 381,800,000 | 4.16% | 0.00% |
| March 4, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Stock Option (right to buy) | 26481 | $0.00 | 26,481.0000 | 381,800,000 | 9999.99% | 0.01% |
| Feb. 24, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 509 | $89.55 | 293,364.0000 | 381,800,000 | 0.17% | 0.00% |
| Feb. 27, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Common Shares, $.0011 par value per share | 33550 | $0.00 | 325,771.0000 | 381,800,000 | 11.48% | 0.01% |
| Feb. 27, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 560 | $92.10 | 292,221.0000 | 381,800,000 | 0.19% | 0.00% |
| Feb. 25, 2025 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | F | Common Shares, $.0011 par value per share | 583 | $90.35 | 292,781.0000 | 381,800,000 | 0.20% | 0.00% |
| Nov. 19, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Common Shares, $.0011 par value per share | 65838 | $0.00 | 293,873.0000 | 382,300,000 | 28.87% | 0.02% |
| Nov. 19, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | President, Arch Capital Group | A | Stock Option (right to buy) | 513922 | $0.00 | 513,922.0000 | 382,300,000 | 9999.99% | 0.13% |
| May 6, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | S | Common Shares, $.0011 par value per share | 10000 | $96.64 | 228,035.0000 | 378,800,000 | 4.20% | 0.00% |
| March 4, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 18819 | $87.14 | 238,035.0000 | 378,800,000 | 7.33% | 0.00% |
| Feb. 27, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Common Shares, $.0011 par value per share | 5847 | $0.00 | 256,854.0000 | 378,800,000 | 2.33% | 0.00% |
| Feb. 27, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Stock Option (right to buy) | 20753 | $0.00 | 20,753.0000 | 378,800,000 | 9999.99% | 0.01% |
| Feb. 23, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Common Shares, $.0011 par value per share | 44528 | $0.00 | 252,896.0000 | 378,800,000 | 21.37% | 0.01% |
| Feb. 24, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 522 | $87.29 | 252,374.0000 | 378,800,000 | 0.21% | 0.00% |
| Feb. 25, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 587 | $87.29 | 251,787.0000 | 378,800,000 | 0.23% | 0.00% |
| Feb. 26, 2024 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 780 | $87.28 | 251,007.0000 | 378,800,000 | 0.31% | 0.00% |
| Nov. 2, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | M | Common Shares, $.0011 par value per share | 13560 | $0.00 | 0.0000 | 377,600,000 | 100.00% | 0.00% |
| Nov. 2, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | S | Common Shares, $.0011 par value per share | 7350 | $89.49 | 208,368.0000 | 377,600,000 | 3.41% | 0.00% |
| Nov. 2, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | M | Common Shares, $.0011 par value per share | 13560 | $20.84 | 215,718.0000 | 377,600,000 | 6.71% | 0.00% |
| March 10, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 4435 | $66.61 | 202,158.0000 | 377,600,000 | 2.15% | 0.00% |
| Feb. 24, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Common Shares, $.0011 par value per share | 5190 | $0.00 | 208,588.0000 | 377,600,000 | 2.55% | 0.00% |
| Feb. 24, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Stock Option (right to buy) | 19121 | $0.00 | 19,121.0000 | 377,600,000 | 9999.99% | 0.01% |
| Feb. 24, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | A | Common Shares, $.0011 par value per share | 12742 | $0.00 | 203,398.0000 | 377,600,000 | 6.68% | 0.00% |
| Feb. 27, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 595 | $69.21 | 206,593.0000 | 377,600,000 | 0.29% | 0.00% |
| Feb. 26, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 787 | $69.17 | 207,188.0000 | 377,600,000 | 0.38% | 0.00% |
| Feb. 24, 2023 | ARCH CAPITAL GROUP LTD. | $ACGL | Gansberg David | CEO, GLOBAL MORTGAGE GROUP | F | Common Shares, $.0011 par value per share | 613 | $69.17 | 207,975.0000 | 377,600,000 | 0.29% | 0.00% |