Matthew David Sternberg - 13 May 2026 Form 4 Insider Report for Accelerant Holdings (ARX)

Reporting relationship: COO, Risk Exchange
Issuer ticker: ARX
Reported as of: 13 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 May 2026, 21:50:48 UTC
Prior SEC filing: 20 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ David Pelsue, Attorney-in-Fact

Key filing fact

Matthew David Sternberg filed Form 4 for Accelerant Holdings (ARX) on 15 May 2026.

Key facts

This page summarizes Matthew David Sternberg's Form 4 filing for Accelerant Holdings (ARX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 15 May 2026, 21:50.

Change

Previous filing in this sequence was filed on 20 Mar 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

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002008628 Primary reporting owner

Sternberg Matthew David

Relationship: COO, Risk Exchange
Address: UNIT 106, WINDWARD 3, REGATTA OFFICE PARK, WEST BAY ROAD, GRAND CAYMAN, CAYMAN ISLANDS
Signature: /s/ David Pelsue, Attorney-in-Fact
Signature date: 15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ARX transaction

Class A Common Shares

Award

Transaction value
Shares: +279,329
Change %: +82%
Price: $0.000000^*
Shares after: 617,960
Date: 13 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

Represents an award of Restricted Stock Units ("RSUs") granted on May 13, 2026. The RSUs are scheduled to vest as to twenty-five percent (25%) of the RSUs on the one-year anniversary of the Grant Date and as to six and one-quarter percent (6-1/4%) of the RSUs on the first day of each of the twelve (12) calendar quarters beginning after such anniversary. Each RSU represents a contingent right to receive one Class A common share upon settlement.