InsiderTrades

Form 4 for ARX Accelerant Holdings

Accepted 2026-03-20 00:00:00 ET · period of report 2026-03-18 · accession 0001628280-26-020273 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-20 2026-03-18 ARX Sternberg Matthew David COO, Risk Exchange A - Grant $0.00 +180.7K 338.6K +114% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Shares 2026-03-18 A A 180,667 $0.00 338,631 D — — (F1) 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.