person · Reporting owner
Sternberg Matthew David
Disclosed activity across 1 company
Sign in to followReported relationships
Latest disclosed role at each company.
| Company | Last reported as | Report date | Published |
|---|---|---|---|
| Accelerant HoldingsARX · Entity 4013 | COO, Risk Exchange | July 23, 2026 | July 28, 2026 |
Disclosed balances
About these balances
Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.
Accelerant Holdings
Report date July 23, 2026 · Filed July 28, 2026
| Security / award | Ownership account | Disclosed shares / units | Disclosure context |
|---|---|---|---|
| Class A Common SharesSEC Table I · non-derivative | Direct | 596,482 |
Ending reported balance
After 2026-07-27 transaction · row 2
2 source rows · reconciled sequenceRow 1 · 2026-07-23 · Tax withholding · Disposed 3,910 · Balance 614,050 F1: Represents Class A Common Shares withheld, pursuant to Issuer policy, to satisfy tax withholding obligations upon the settlement of vested Restricted Share Units. Does not reflect a discretionary transaction nor an open market sale of securities. Row 2 · 2026-07-27 · Sale · Disposed 17,568 · Balance 596,482 F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2025. F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.44 to $14.84, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. |
Filing footnotes · ownership attribution and instrument terms
F1: Represents Class A Common Shares withheld, pursuant to Issuer policy, to satisfy tax withholding obligations upon the settlement of vested Restricted Share Units. Does not reflect a discretionary transaction nor an open market sale of securities.
F2: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2025.
F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.44 to $14.84, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
Transaction history
JSON APIPurchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Company | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| July 27, 2026 Filed Jul 28, 2026 01:38 UTC | Accelerant Holdings ARX · Entity 4013 | SaleClass A Common Shares | 17,568 | $14.64 | $257,206.06 |
DisclosureSEC source: 0001628280-26-049906 · wk-form4_1785202688.xml · nonDerivative · entry 2 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 596,482 F2 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 7, 2025. F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.44 to $14.84, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. Read SEC document |
| July 23, 2026 Filed Jul 28, 2026 01:38 UTC | Accelerant Holdings ARX · Entity 4013 | Tax withholdingClass A Common Shares | 3,910 | $13.77 | $53,840.70 |
DisclosureSEC source: 0001628280-26-049906 · wk-form4_1785202688.xml · nonDerivative · entry 1 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 614,050 F1 · shares: Represents Class A Common Shares withheld, pursuant to Issuer policy, to satisfy tax withholding obligations upon the settlement of vested Restricted Share Units. Does not reflect a discretionary transaction nor an open market sale of securities. Read SEC document |
| May 13, 2026 Filed May 16, 2026 01:50 UTC | Accelerant Holdings ARX · Entity 4013 | GrantClass A Common Shares | 279,329 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-035780 · wk-form4_1778896245.xml · nonDerivative · entry 1 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 617,960 F1 · shares: 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. Read SEC document |
| March 18, 2026 Filed Mar 20, 2026 22:43 UTC | Accelerant Holdings ARX · Entity 4013 | GrantClass A Common Shares | 180,667 | $0.00 | $0.00 |
DisclosureSEC source: 0001628280-26-020273 · wk-form4_1774046635.xml · nonDerivative · entry 1 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 338,631 F1 · shares: Represents an award of Restricted Stock Units granted on March 18, 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. Read SEC document |
| November 17, 2025 Filed Nov 19, 2025 21:11 UTC | Accelerant Holdings ARX · Entity 4013 | PurchaseClass A Common Shares | 5,700 | $13.10 | $74,695.65 |
DisclosureSEC source: 0000905148-25-004138 · form4.xml · nonDerivative · entry 1 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 157,964 F1 · price: The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $13.08 to $13.12, inclusive. The reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of Class A Common Shares purchased at each respective price within the range set forth in footnote 1 of this Form 4. Read SEC document |
| July 25, 2025 Filed Jul 30, 2025 00:39 UTC | Accelerant Holdings ARX · Entity 4013 | GrantClass A Common Shares | 152,264 | $0.00 | $0.00 |
DisclosureSEC source: 0000905148-25-002640 · form4.xml · nonDerivative · entry 1 Sternberg Matthew David · CIK 0002008628 · COO, Risk Exchange 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 152,264 F1 · shares: Represents Restricted Stock Units ("RSUs"), each one of which represents the contingent right to receive one Class A Common Share. F1 · balance_after: Represents Restricted Stock Units ("RSUs"), each one of which represents the contingent right to receive one Class A Common Share. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.