InsiderTrades

Form 4 for ARX Accelerant Holdings

Accepted 2025-07-29 00:00:00 ET · period of report 2025-07-25 · accession 0000905148-25-002632 · 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
DM 2025-07-29 2025-07-25 ARX Harrington Wendy Liisa Dir C - Cnv Deriv — +14.1K 17.0K +484% —
D 2025-07-29 2025-07-25 ARX Harrington Wendy Liisa Dir A - Grant $0.00 +9,210 9,210 New $0
DM 2025-07-29 2025-07-25 ARX Harrington Wendy Liisa Dir C - Cnv Deriv $0.00 -10.89M 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Shares 2025-07-25 C A 6,297 — 23,315 D — — (F3) In connection with the Issuer's IPO, these shares of the Issuer's Preference Shares automatically converted into Class A Common Shares of the Issuer at a 1-for-1 conversion rate.
2 Common Class A Common Shares 2025-07-25 C A 7,808 — 17,018 D — — (F2) In connection with the Issuer's initial public offering ("IPO"), these limited partnership interests of Accelerant Holdings LP were exchanged for Class A Common Shares of the Issuer in proportion to the economic interests represented by the limited partnership interests.
3 Common Class A Common Shares 2025-07-25 A A 9,210 $0.00 9,210 D — — (F1) Represents Restricted Stock Units ("RSUs"), each one of which represents the contingent right to receive one Class A Common Share.
4 Derivative Convertible Preference Shares 2025-07-25 C D 6,297 $0.00 0 D — · — to — 6,297 Class A Common Shares (F3) In connection with the Issuer's IPO, these shares of the Issuer's Preference Shares automatically converted into Class A Common Shares of the Issuer at a 1-for-1 conversion rate.
5 Derivative LP Interests of Accelerant Holdings LP 2025-07-25 C D 10,882,806 $0.00 0 D — · — to — 7,808 Class A Common Shares (F2) In connection with the Issuer's initial public offering ("IPO"), these limited partnership interests of Accelerant Holdings LP were exchanged for Class A Common Shares of the Issuer in proportion to the economic interests represented by the limited partnership interests.