Research Open Terminal →

← Unusual insider activity · Company hub

ACGL Arch Capital Group Ltd

Insider figures are trailing 90 days, open-market Form 4 only. Institutional figures are the latest reported quarter. These windows are not simultaneous.

-$1.1M net selling - trailing 90 days

0 buyers - 1 unique sellers

Historical context: No open-market activity in Sep 2026 — insiders traded in 11 of the last 24 months

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

open-market Form 4 only - grants, exercises, tax withholding excluded. ~ derived from SEC-reported shares x price.

Insider net $ (monthly)open-market Form 4 only - grants, exercises, tax withholding excluded$20.0M$10.0M$0-$10.0M-$20.0M2024-10 $02024-11 $02024-12 $02025-01 $02025-02 $02025-03 -$1.9M2025-04 $02025-05 -$12.8M2025-06 $02025-07 $02025-08 -$924K2025-09 $02025-10 $02025-11 -$757K2025-12 -$20.0M2026-01 $02026-02 -$4.6M2026-03 -$2.7M2026-04 $499K2026-05 -$34K2026-06 -$59K2026-07 $02026-08 -$1.1M2026-09 $0Oct 24Dec 24Feb 25Apr 25Jun 25Aug 25Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26~ derived from SEC-reported shares x price. Hatched: excluded (implausible price) or unpriced.

Institutional activity: not available - insufficient comparable institutions for the latest complete quarter.

Who is responsible

Insider Role Net activity Rows
Morin Francois CFO and Treasurer -~$1.1M 1

Transactions

Date Insider Role Type Shares Price Value
August 18, 2026 Morin Francois CFO and Treasurer S -11010 99.3214 ~$1.1M
June 3, 2026 Posner Brian S — S -3000 19.66 ~$59K
May 11, 2026 Posner Brian S — S -2000 17.1415 ~$34K
April 30, 2026 Houston Daniel Joseph — P 5300 94.085 ~$0.5M
March 11, 2026 Posner Brian S — S -3000 17.115 ~$51K
March 10, 2026 Papadopoulo Nicolas CEO S -21930 96.3093 ~$2.1M
March 10, 2026 Gansberg David President, Arch Capital Group S -5907 96.3715 ~$0.6M
February 11, 2026 Rajeh Maamoun President, Arch Capital Group S -47430 96.1176 ~$4.6M
December 15, 2025 PASQUESI JOHN M — S -8800 94.1686 ~$0.8M
December 12, 2025 PASQUESI JOHN M — 2 reported sale rows 203866 — ~$19.1M
November 28, 2025 Morin Francois EVP AND CFO S -8000 94.6245 ~$0.8M
August 22, 2025 Rajeh Maamoun PRESIDENT, ARCH CAPITAL GROUP S -10000 94.1464 ~$0.9M
August 1, 2025 Posner Brian S — P 1000 17.338 ~$17K
May 16, 2025 Morin Francois EVP AND CFO S -12630 94.5824 ~$1.2M
May 13, 2025 PASQUESI JOHN M — S -23996 94.7216 ~$2.3M
May 12, 2025 PASQUESI JOHN M — S -75060 94.0056 ~$7.1M
May 9, 2025 PETRILLO LOUIS T OFFICER OF SUBSIDIARY S -16650 94.5312 ~$1.6M
May 2, 2025 Papadopoulo Nicolas CEO S -7636 92.48 ~$0.7M
March 5, 2025 PETRILLO LOUIS T OFFICER OF SUBSIDIARY S -11600 91.0032 ~$1.1M
March 4, 2025 PETRILLO LOUIS T OFFICER OF SUBSIDIARY S -9400 92.7338 ~$0.9M