David Gansberg
CIK 1769539 · President, Arch Capital Group · last filed 2026-03-12
David Gansberg is a President, Arch Capital Group who has filed 30 SEC Form 4 insider transactions across 1 company since 2019. The most recent filing, for ACGLO, was dated Mar 12, 2026. Across all open-market trades the lifetime net is −$2.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $6.8M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$6.79M
1
30
-$2.19M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ACGLO | President, Arch Capital Group | 351,466 | $19.33 | $6.79M | -$2.19M | 30 | 2026-03-12 |
Recent Filings
30 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-12 | ACGLO | Mixed | +4,863 | -$365.7K | EDGAR |
| 2026-03-05 | ACGLO | Mixed | −5,676 | -$1.23M | EDGAR |
| 2026-03-02 | ACGLO | Tax (F) | −553 | -$55.4K | EDGAR |
| 2026-02-26 | ACGLO | Mixed | +28,037 | -$50.5K | EDGAR |
| 2025-11-20 | ACGLO | Tax (F) | −9,494 | -$865.6K | EDGAR |
| 2025-03-06 | ACGLO | Mixed | −6,389 | -$1.27M | EDGAR |
| 2025-02-28 | ACGLO | Mixed | +31,898 | -$149.8K | EDGAR |
| 2024-11-21 | ACGLO | Grant (A) | +65,838 | $0 | EDGAR |
| 2024-05-07 | ACGLO | Sell (S) | −10,000 | -$966.4K | EDGAR |
| 2024-03-06 | ACGLO | Tax (F) | −18,819 | -$1.64M | EDGAR |