Gansberg David (CIK 1769539) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-12). Recent activity: Buy ACGL (10,770 shares), Sell ACGL (5,907 shares), Buy ACGL (6,843 shares), Sell ACGL (12,519 shares), Sell ACGL (553 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-12 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Buy | 10,770 | $203,553 |
| 2026-03-12 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Sell | 5,907 | $569,258 |
| 2026-03-05 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Buy | 6,843 | $0 |
| 2026-03-05 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Sell | 12,519 | $1.2M |
| 2026-03-02 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Sell | 553 | $55,383 |
| 2026-02-26 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Sell | 509 | $50,483 |
| 2026-02-26 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Buy | 28,546 | $0 |
| 2025-11-20 | ARCH CAPITAL GROUP LTD. (ACGL) | President, Arch Capital Group | Sell | 9,494 | $865,568 |
来源：SEC Form 4 申报文件 · 截至 2026-03-12