David Gansberg - 10 Mar 2026 Form 4 Insider Report for ARCH CAPITAL GROUP LTD. (ACGL)

Reporting relationship: President, Arch Capital Group
Issuer ticker: ACGL
Reported as of: 10 Mar 2026
Net transaction value: -$569,266
SEC form: 4
Accepted by SEC: 12 Mar 2026, 16:29:23 UTC
Prior SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ David Gansberg

Key filing fact

David Gansberg filed Form 4 for ARCH CAPITAL GROUP LTD. (ACGL) on 12 Mar 2026.

Key facts

This page summarizes David Gansberg's Form 4 filing for ARCH CAPITAL GROUP LTD. (ACGL).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 12 Mar 2026, 16:29.

Change

Previous filing in this sequence was filed on 05 Mar 2026.
Current net transaction value: -$569,266.

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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001769539 Primary reporting owner

Gansberg David

Relationship: President, Arch Capital Group
Address: WATERLOO HOUSE, GROUND FLOOR, 100 PITTS BAY ROAD, PEMBROKE, BERMUDA
Signature: /s/ David Gansberg
Signature date: 12 Mar 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

Options Exercise

Transaction value
Shares: +10,770
Change %: +3.2%
Price: $18.90^*
Shares after: 342,466
Date: 10 Mar 2026
Ownership: Direct

ACGL transaction

Common Shares, $.0011 par value per share

Sale

Transaction value: $569,266
Shares: -5,907
Change %: -1.7%
Price: $96.37
Shares after: 336,559
Date: 10 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ACGL transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -10,770
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 10 Mar 2026
Ownership: Direct
Underlying class: Common Shares, $.0011 par value per share
Underlying amount: 10,770
Exercise price: $18.90
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The price reported is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $96.35 to $96.42. Upon request, the full information regarding the number of shares sold at each separate price within the range will be provided to the issuer, any security holder of the issuer or the staff of the Securities Exchange Commission.

Footnote F2

This stock option is exercisable in three equal annual installments commencing May 13, 2017, and the next two installments on May 13, 2018 and May 13, 2019, subject to the applicable award agreement.