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Arphra AIPlain-English read on Arch Capital Group Ltd.’s valuationInsider signal · 90d
Net buyers
Bought
$498.7K
Sold
$59.0K
Txns
2
Over the trailing 90 days insiders are net buyers — $498.7K bought against $59.0K sold across 2 open-market Form-4 transactions. Much insider selling is scheduled (10b5-1); read the asymmetry, not any single print.
Open-market Form 4
· insider_tradesInsider transactions · last 365d
Net −$28.5M2 buys
| Insider | Role | Type | Shares | Value | Date |
|---|---|---|---|---|---|
| Posner Brian S | director | Sell | −3,000 | $59.0K | Jun 03, 2026 |
| Houston Daniel Joseph | director | Buy | +5,300 | $498.7K | Apr 30, 2026 |
| Posner Brian S | director | Sell | −3,000 | $51.3K | Mar 11, 2026 |
| Gansberg David | officer: President, Arch Capital Group | Sell | −5,907 | $569.3K | Mar 10, 2026 |
| Papadopoulo Nicolas | director, officer: CEO | Sell | −21,930 | $2.1M | Mar 10, 2026 |
| Rajeh Maamoun | officer: President, Arch Capital Group | Sell | −47,430 | $4.6M | Feb 11, 2026 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | −8,800 | $828.7K | Dec 15, 2025 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | −175,000 | $16.4M | Dec 12, 2025 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | −28,866 | $2.7M | Dec 12, 2025 |
| Morin Francois | officer: EVP AND CFO | Sell | −8,000 | $757.0K | Nov 28, 2025 |
| Rajeh Maamoun | officer: PRESIDENT, ARCH CAPITAL GROUP | Sell | −10,000 | $941.5K | Aug 22, 2025 |
| Posner Brian S | director | Buy | +1,000 | $17.3K | Aug 01, 2025 |
Transaction mix · 365d
98%
Sells10 · $29.0M
Buys2 · $516.0K
Top sellers · 365d
PASQUESI JOHN M · director, other: CHAIR−$20.0M
Rajeh Maamoun · officer: President, Arch Capital Group−$5.5M
Papadopoulo Nicolas · director, officer: CEO−$2.1M
Transactions
12
2 buys · 10 sells
Bought
$515.99K
Open market
Sold
$29.02M
Open market
Net flow
−$28.5M
Buys − sells
Transactions
| Insider | Role | Action | Shares | Price | Value | Trade date | Filing |
|---|---|---|---|---|---|---|---|
| Posner Brian S | director | Sell | 3,000 | $19.66 | $58.98K | Jun 03, 2026 | Jun 04, 2026 |
| Houston Daniel Joseph | director | Buy | 5,300 | $94.09 | $498.65K | Apr 30, 2026 | May 04, 2026 |
| Posner Brian S | director | Sell | 3,000 | $17.12 | $51.35K | Mar 11, 2026 | Mar 12, 2026 |
| Gansberg David | officer: President, Arch Capital Group | Sell | 5,907 | $96.37 | $569.27K | Mar 10, 2026 | Mar 12, 2026 |
| Papadopoulo Nicolas | director, officer: CEO | Sell | 21,930 | $96.31 | $2.11M | Mar 10, 2026 | Mar 12, 2026 |
| Rajeh Maamoun | officer: President, Arch Capital Group | Sell | 47,430 | $96.12 | $4.56M | Feb 11, 2026 | Feb 13, 2026 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | 8,800 | $94.17 | $828.68K | Dec 15, 2025 | Dec 16, 2025 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | 175,000 | $93.91 | $16.43M | Dec 12, 2025 | Dec 16, 2025 |
| PASQUESI JOHN M | director, other: CHAIR | Sell | 28,866 | $93.81 | $2.71M | Dec 12, 2025 | Dec 16, 2025 |
| Morin Francois | officer: EVP AND CFO | Sell | 8,000 | $94.62 | $757K | Nov 28, 2025 | Dec 02, 2025 |
| Rajeh Maamoun | officer: PRESIDENT, ARCH CAPITAL GROUP | Sell | 10,000 | $94.15 | $941.46K | Aug 22, 2025 | Aug 25, 2025 |
| Posner Brian S | director | Buy | 1,000 | $17.34 | $17.34K | Aug 01, 2025 | Aug 04, 2025 |
By insider
- PASQUESI JOHN M−$19.97Mdirector, other: CHAIR0B · 3S
- Rajeh Maamoun−$5.5Mofficer: President, Arch Capital Group0B · 2S
- Papadopoulo Nicolas−$2.11Mdirector, officer: CEO0B · 1S
- Morin Francois−$757Kofficer: EVP AND CFO0B · 1S
- Gansberg David−$569.27Kofficer: President, Arch Capital Group0B · 1S
- Houston Daniel Joseph+$498.65Kdirector1B · 0S
- Posner Brian S−$92.99Kdirector1B · 2S
Beneficial ownership filings
Schedule 13D / 13G — investors holding more than 5% of ACGL-US.
DB · acquisition_ownership13
| Filed | Reporting person | Form | Type | Aggregate owned | % Class | Sole voting | Shared voting | Citizenship | |
|---|---|---|---|---|---|---|---|---|---|
| Feb 14, 2022 | Baron Capital Group, Inc.000000000 | — | HC, CO | — | +5.58% | 0 | 21.14M | — | SEC → |
| Feb 14, 2022 | BAMCO INC /NY/000000000 | — | IA, CO | — | +5.26% | 0 | 19.94M | — | SEC → |
| Feb 14, 2022 | Baron Capital Management, Inc.000000000 | — | IA, CO | — | +0.31% | 0 | 1.2M | — | SEC → |
| Feb 14, 2022 | Ronald Baron000000000 | — | HC, IN | — | +5.58% | 0 | 21.14M | — | SEC → |
| Feb 11, 2022 | William H. Gates III | — | IN | — | 0.00% | 0 | 0 | — | SEC → |
| Feb 11, 2022 | 95-1411037 | — | IA | — | +5.40% | 20.67M | 0 | Delaware | SEC → |
| Feb 11, 2022 | Cascade Investment, L.L.C. | — | OO | — | 0.00% | 0 | 0 | — | SEC → |
| Feb 09, 2022 | The Vanguard Group - 23-1945930 | — | IA | — | +8.65% | 0 | 346.07K | Pennsylvania | SEC → |
| Feb 04, 2022 | Artisan Investments GP LLC | — | HC | — | +9.50% | 13 | 34.73M | Delaware | SEC → |
| Feb 04, 2022 | Artisan Partners Holdings LP | — | HC | — | +9.50% | 13 | 34.73M | Delaware | SEC → |
| Feb 04, 2022 | Artisan Partners Asset Management Inc. | — | HC | — | +9.50% | 13 | 34.73M | Delaware | SEC → |
| Feb 04, 2022 | Artisan Partners Funds, Inc. | — | IC | — | +6.40% | 13 | 24.74M | Delaware | SEC → |
| Feb 04, 2022 | Artisan Partners Limited Partnership | — | IA | — | +9.50% | 13 | 34.73M | Delaware | SEC → |
Top 10 holders · 8 quarters
13F position evolutionNo 13F history in
institutional_holders for ACGL-US.