Gansberg David
Officer · ACGL
As of 2026-09-16, Gansberg David has 17 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-10 | ACGL | Sale | 5,907 @ $96.37 | $569K | −1.7% of holding | 336,559 | Form 4 |
16 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-10 | ACGL | Option exercise | 10,770 | 342,466 | Form 4 |
| 2026-03-10 | ACGL | Option exercise | 10,770 | 0 | Form 4 |
| 2026-03-04 | ACGL | Withheld for tax | 12,519 | 331,696 | Form 4 |
| 2026-03-03 | ACGL | Award / grant | 24,475 | 24,475 | Form 4 |
| 2026-03-03 | ACGL | Award / grant | 6,843 | 344,215 | Form 4 |
| 2026-02-27 | ACGL | Withheld for tax | 553 | 337,372 | Form 4 |
| 2026-02-24 | ACGL | Withheld for tax | 509 | 309,379 | Form 4 |
| 2026-02-24 | ACGL | Award / grant | 28,546 | 337,925 | Form 4 |
| 2025-11-19 | ACGL | Withheld for tax | 9,494 | 309,888 | Form 4 |
| 2025-03-04 | ACGL | Withheld for tax | 13,873 | 319,382 | Form 4 |
| 2025-03-04 | ACGL | Award / grant | 26,481 | 26,481 | Form 4 |
| 2025-03-04 | ACGL | Award / grant | 7,484 | 333,255 | Form 4 |
| 2025-02-27 | ACGL | Withheld for tax | 560 | 292,221 | Form 4 |
| 2025-02-27 | ACGL | Award / grant | 33,550 | 325,771 | Form 4 |
| 2025-02-25 | ACGL | Withheld for tax | 583 | 292,781 | Form 4 |
| 2025-02-24 | ACGL | Withheld for tax | 509 | 293,364 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.