Key facts
- This page summarizes Brian S. Posner's Form 4 filing for ARCH CAPITAL GROUP LTD. (ACGL).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 07 May 2026, 16:50.
Brian S. Posner - 05 May 2026 Form 4 Insider Report for ARCH CAPITAL GROUP LTD. (ACGL)
- Reporting relationship
- Director
- Issuer ticker
- ACGL
- Reported as of
- 05 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 07 May 2026, 16:50:06 UTC
- Prior SEC filing
- 01 Apr 2026
- Next SEC filing
- 12 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Brian S. Posner
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Brian S. Posner filed Form 4 for ARCH CAPITAL GROUP LTD. (ACGL) on 07 May 2026.
Change
- Previous filing in this sequence was filed on 01 Apr 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001372455
Primary reporting owner
Posner Brian S
- Relationship
- Director
- Address
- WATERLOO HOUSE, GROUND FLOOR, 100 PITTS BAY ROAD, PEMBROKE, BERMUDA
- Signature
- /s/ Brian S. Posner
- Signature date
- 07 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
ACGL
transaction
Common Shares, $.0011 par value per share
Award
- Transaction value
- Shares
- +2,071
- Change %
- +1.7%
- Price
- Shares after
- 122,175
- Date
- 05 May 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Subject to the terms of the restricted share agreement, represents restricted shares that will become vested on the date that is the earlier of 1) one year following the grant date or 2) Arch Capital Group Ltd.'s next Annual General Meeting of Shareholders.