ACGL insider buying and SEC filings, explained
Arch Capital Group Ltd. · CIK 947484
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$499K
Insiders who bought
1
Sold (not marked 10b5-1)
$20.9M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jun 3, 2026 | Sale | Brian S Posner (Director) sold 3,000 shares at about $19.66 ($59K). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 4, 2026 |
| May 11, 2026 | Sale | Brian S Posner (Director) sold 2,000 shares at about $17.14 ($34K). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 12, 2026 |
| Apr 30, 2026 | Purchase (code P) | Daniel Joseph Houston (Director) bought 5,300 shares at about $94.09 ($499K), reported as a purchase (code P). Holdings up 115% to 9,915 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 4, 2026 |
| Mar 11, 2026 | Sale | Brian S Posner (Director) sold 3,000 shares at about $17.12 ($51K). Holdings down 60% to 2,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Dec 12–15, 2025 | Sale | John M. Pasquesi (Director and Chair) sold 212,666 shares indirectly (by trust) between Dec 12, 2025 and Dec 15, 2025 at about $93.91 ($20.0M). Holdings by trust down 42% to 289,556 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 16, 2025 |
| Nov 28, 2025 | Sale | Francois Morin (CFO) sold 8,000 shares at about $94.62 ($757K). Holdings down 3% to 266,681 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 2, 2025 |
38 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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