Arch Capital Group Ltd. (ACGLN) has 20 known insider and institutional holders on record. The largest holder is GRANDISSON MARC with 2,040,185 shares. Other notable holders include BUNCE JOHN L JR and PASQUESI JOHN M.
Over the last 12 months, insiders have made 45 transactions in ACGLN stock — 23 buys (valued at $16.18M) and 6 sells (valued at $11.91M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ACGLN Insider Ownership
Top Holder
GRANDISSON MARC
2,040,185 shares
Buys (12 mo)
23
$16.18M value
Sells (12 mo)
6
$11.91M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Grandisson Marc |
CEO |
2,040,185 |
2023-11-07 |
|
| 2 |
Bunce John L Jr |
Director |
1,558,321 |
2025-05-09 |
|
| 3 |
Pasquesi John M |
Other: Chair |
298,356 |
2025-12-16 |
|
| 4 |
Vollaro John D |
Director |
192,807 |
2025-11-03 |
|
| 5 |
Doppstadt Eric |
Director |
77,779 |
2023-05-08 |
|
| 6 |
Papadopoulo Nicolas |
CEO |
76,243 |
2026-03-05 |
|
| 7 |
Paglia Louis J |
Director |
54,056 |
2023-05-08 |
|
| 8 |
Rajeh Maamoun |
President, Arch Capital Group |
40,600 |
2026-03-06 |
|
| 9 |
Goodman Laurie |
Director |
35,502 |
2025-05-09 |
|
| 10 |
Sunshine Eugene S |
Director |
31,361 |
2023-05-08 |
|
| 11 |
Kilcoyne Moira A. |
Director |
31,096 |
2025-05-09 |
|
| 12 |
Gansberg David |
President, Arch Capital Group |
24,475 |
2026-03-05 |
|
| 13 |
Watjen Thomas R |
Director |
23,671 |
2023-05-08 |
|
| 14 |
Morin Francois |
CFO and Treasurer |
19,061 |
2026-03-05 |
|
| 15 |
Mallesch Eileen A |
Director |
11,731 |
2025-05-09 |
|
| 16 |
Ebong Francis |
Director |
10,807 |
2025-05-09 |
|
| 17 |
Petrillo Louis T |
Officer of Subsidiary |
10,331 |
2026-03-05 |
|
| 18 |
Todd Christine |
Chief Investment Officer |
6,305 |
2026-03-05 |
|
| 19 |
Triplett Neal F |
Director |
3,267 |
2025-05-09 |
|
| 20 |
Houston Daniel Joseph |
Director |
3,267 |
2025-05-09 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-10 |
Gansberg David |
President, Arch Capital Group |
Option Exercise (Sell) |
10,770 |
$18.90 |
$203.55K |
| 2026-03-11 |
Posner Brian S |
Director |
Informative Sell |
3,000 |
$17.12 |
$51.35K |
| 2026-03-10 |
Papadopoulo Nicolas |
CEO |
Option Exercise (Sell) |
21,930 |
$18.90 |
$414.48K |
| 2026-03-04 |
Rajeh Maamoun |
President, Arch Capital Group |
Gift (Received) |
40,600 |
- |
- |
| 2026-03-03 |
Todd Christine |
Chief Investment Officer |
RSU Award |
6,305 |
$100.48 |
$633.53K |
| 2026-03-04 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
12,519 |
$98.42 |
$1.23M |
| 2026-03-03 |
Gansberg David |
President, Arch Capital Group |
RSU Award |
24,475 |
$100.48 |
$2.46M |
| 2026-03-03 |
Morin Francois |
CFO and Treasurer |
RSU Award |
19,061 |
$100.48 |
$1.92M |
| 2026-03-03 |
Rajeh Maamoun |
President, Arch Capital Group |
RSU Award |
24,475 |
$100.48 |
$2.46M |
| 2026-03-03 |
Papadopoulo Nicolas |
CEO |
RSU Award |
76,243 |
$100.48 |
$7.66M |
| 2026-03-04 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
8,030 |
$98.42 |
$790.31K |
| 2026-03-03 |
Petrillo Louis T |
Officer of Subsidiary |
RSU Award |
10,331 |
$100.48 |
$1.04M |
| 2026-02-27 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
553 |
$100.15 |
$55.38K |
| 2026-02-27 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
312 |
$100.15 |
$31.25K |
| 2026-02-24 |
Todd Christine |
Chief Investment Officer |
RSU Award |
25,046 |
- |
- |
| 2026-02-24 |
Gansberg David |
President, Arch Capital Group |
Tax Withholding of RSU |
509 |
$99.18 |
$50.48K |
| 2026-02-24 |
Morin Francois |
CFO and Treasurer |
RSU Award |
27,432 |
- |
- |
| 2026-02-24 |
Rajeh Maamoun |
President, Arch Capital Group |
RSU Award |
28,546 |
- |
- |
| 2026-02-24 |
Papadopoulo Nicolas |
CEO |
RSU Award |
46,674 |
- |
- |
| 2026-02-24 |
Petrillo Louis T |
Officer of Subsidiary |
Tax Withholding of RSU |
412 |
$99.18 |
$40.86K |
| 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 |
| 2025-12-12 |
Pasquesi John M |
Other: Chair |
Gift (Given) |
53,000 |
- |
- |
| 2025-12-10 |
Petrillo Louis T |
Officer of Subsidiary |
Gift (Received) |
14 |
- |
- |
| 2025-11-28 |
Morin Francois |
EVP and CFO |
Informative Sell |
8,000 |
$94.62 |
$757K |
