There have been 50 recent insider transactions recorded for Arch Capital Group Ltd. (ACGLO), including 25 buys and 20 sells. Total insider buying was valued at $22.18M and total insider selling at $16.91M.
Notable insiders with recent activity include Posner Brian S, Papadopoulo Nicolas, Gansberg David. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — ACGLO
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-11 |
Posner Brian S |
Director |
Informative Sell |
3,000 |
$17.12 |
$51.35K |
2,000 |
| 2026-03-10 |
Papadopoulo Nicolas |
CEO |
Option Exercise (Sell) |
21,930 |
$18.90 |
$414.48K |
- |
| 2026-03-10 |
Gansberg David |
President, Arch Capital Group |
Option Exercise (Sell) |
10,770 |
$18.90 |
$203.55K |
- |
| 2026-03-04 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
8,030 |
$98.42 |
$790.31K |
151,490 |
| 2026-03-04 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
12,519 |
$98.42 |
$1.23M |
331,696 |
| 2026-03-04 |
Rajeh Maamoun |
President, Arch Capital Group |
Gift (Received) |
40,600 |
- |
- |
40,600 |
| 2026-03-03 |
Petrillo Louis T |
Officer of Subsidiary |
RSU Award |
10,331 |
$100.48 |
$1.04M |
10,331 |
| 2026-03-03 |
Papadopoulo Nicolas |
CEO |
RSU Award |
76,243 |
$100.48 |
$7.66M |
76,243 |
| 2026-03-03 |
Rajeh Maamoun |
President, Arch Capital Group |
RSU Award |
24,475 |
$100.48 |
$2.46M |
24,475 |
| 2026-03-03 |
Morin Francois |
CFO and Treasurer |
RSU Award |
19,061 |
$100.48 |
$1.92M |
19,061 |
| 2026-03-03 |
Gansberg David |
President, Arch Capital Group |
RSU Award |
24,475 |
$100.48 |
$2.46M |
24,475 |
| 2026-03-03 |
Todd Christine |
Chief Investment Officer |
RSU Award |
6,305 |
$100.48 |
$633.53K |
6,305 |
| 2026-02-27 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
312 |
$100.15 |
$31.25K |
156,631 |
| 2026-02-27 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
553 |
$100.15 |
$55.38K |
337,372 |
| 2026-02-24 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
412 |
$99.18 |
$40.86K |
139,807 |
| 2026-02-24 |
Papadopoulo Nicolas |
CEO |
RSU Award |
46,674 |
- |
- |
850,276 |
| 2026-02-24 |
Rajeh Maamoun |
President, Arch Capital Group |
RSU Award |
28,546 |
- |
- |
462,135 |
| 2026-02-24 |
Morin Francois |
CFO and Treasurer |
RSU Award |
27,432 |
- |
- |
293,459 |
| 2026-02-24 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
509 |
$99.18 |
$50.48K |
309,379 |
| 2026-02-24 |
Todd Christine |
Chief Investment Officer |
RSU Award |
25,046 |
- |
- |
96,249 |
| 2026-02-11 |
Rajeh Maamoun |
President, Arch Capital Group |
Option Exercise (Sell) |
15,930 |
$27.09 |
$431.49K |
- |
| 2025-12-15 |
Pasquesi John M |
Other: Chair |
Informative Sell |
8,800 |
$94.17 |
$828.68K |
289,556 |
| 2025-12-12 |
Pasquesi John M |
Other: Chair |
Gift (Given) |
53,000 |
- |
- |
298,356 |
| 2025-12-10 |
Petrillo Louis T |
Officer of Subsidiary |
Gift (Received) |
14 |
- |
- |
100 |
| 2025-11-28 |
Morin Francois |
EVP and CFO |
Informative Sell |
8,000 |
$94.62 |
$757K |
266,681 |
| 2025-11-19 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
9,494 |
$91.17 |
$865.57K |
309,888 |
| 2025-10-30 |
Vollaro John D |
Director |
Gift (Given) |
438 |
- |
- |
192,807 |
| 2025-08-22 |
Rajeh Maamoun |
President, Arch Capital Group |
Informative Sell |
10,000 |
$94.15 |
$941.46K |
433,589 |
| 2025-08-05 |
Vollaro John D |
Director |
Gift (Given) |
22,844 |
- |
- |
- |
| 2025-08-01 |
Posner Brian S |
Director |
Informative Buy |
1,000 |
$17.34 |
$17.34K |
5,000 |
| 2025-05-16 |
Morin Francois |
EVP and CFO |
Option Exercise (Sell) |
12,630 |
$18.90 |
$238.71K |
- |
| 2025-05-13 |
Pasquesi John M |
Other: Chair |
Informative Sell |
23,996 |
$94.72 |
$2.27M |
555,222 |
| 2025-05-12 |
Pasquesi John M |
Other: Chair |
Informative Sell |
75,060 |
$94.01 |
$7.06M |
579,218 |
| 2025-05-09 |
Petrillo Louis T |
Officer of Subsidiary |
Option Exercise (Sell) |
16,650 |
$18.90 |
$314.69K |
- |
| 2025-05-07 |
Bunce John L Jr |
Director |
RSU Award |
1,564 |
- |
- |
1,558,321 |
| 2025-05-07 |
Pasquesi John M |
Other: Chair |
RSU Award |
1,564 |
- |
- |
1,564 |
| 2025-05-07 |
Houston Daniel Joseph |
Director |
RSU Award |
1,564 |
- |
- |
3,267 |
| 2025-05-07 |
Posner Brian S |
Director |
RSU Award |
1,564 |
- |
- |
120,104 |
| 2025-05-07 |
Mallesch Eileen A |
Director |
RSU Award |
1,564 |
- |
- |
11,731 |
| 2025-05-07 |
Moczarski Alexander S |
Director |
RSU Award |
1,564 |
- |
- |
1,966 |
| 2025-05-07 |
Goodman Laurie |
Director |
RSU Award |
1,564 |
- |
- |
35,502 |
| 2025-05-07 |
Kilcoyne Moira A. |
Director |
RSU Award |
1,564 |
- |
- |
31,096 |
| 2025-05-07 |
Ebong Francis |
Director |
RSU Award |
1,564 |
- |
- |
10,807 |
| 2025-05-07 |
Triplett Neal F |
Director |
RSU Award |
1,564 |
- |
- |
3,267 |
| 2025-05-02 |
Papadopoulo Nicolas |
CEO |
Option Exercise (Sell) |
9,213 |
$15.84 |
$145.89K |
- |
| 2025-03-05 |
Petrillo Louis T |
Officer of Subsidiary |
Option Exercise (Sell) |
11,600 |
$15.84 |
$183.69K |
- |
| 2025-03-04 |
Petrillo Louis T |
Officer of Subsidiary |
RSU Award |
10,764 |
$91.87 |
$988.89K |
10,764 |
| 2025-03-04 |
Rajeh Maamoun |
President, Arch Capital Group |
RSU Award |
26,481 |
$91.87 |
$2.43M |
26,481 |
| 2025-03-04 |
Morin Francois |
EVP and CFO |
RSU Award |
14,788 |
$91.87 |
$1.36M |
14,788 |
| 2025-03-04 |
Todd Christine |
Chief Investment Officer |
RSU Award |
13,248 |
$91.87 |
$1.22M |
13,248 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
