Accelerant Holdings (ARX) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at Accelerant Holdings are Co Founder And Ceo Jeffrey L Radke (28.30Mn shares), Co Founder And Head Of Distrib. Christopher Lee-Smith (17.66Mn shares), Co Founder And Chief U/W Officer Francis James Oneill (7.24Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Jeffrey L Radke Co Founder And Ceo 28,295,403 29 Jul, 2025
Christopher Lee-Smith Co Founder And Head Of Distrib. 17,655,379 17 Dec, 2025
Francis James Oneill Co Founder And Chief U/W Officer 7,235,125 20 Nov, 2025
Nancy Hasley General Counsel 1,386,165 29 Jul, 2025
Jay Michael Green Chief Financial Officer 1,254,214 04 Feb, 2026
Matthew David Sternberg Coo And Risk Exchange 157,964 19 Nov, 2025
Wendy Liisa Harrington 23,315 29 Jul, 2025
Karen Sue Meriwether 9,752 09 Dec, 2025
Paul Christopher Little 9,210 29 Jul, 2025
Samuel Gaynor 7,500 20 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Feb, 2026 Jay Michael Green Class A Common Shares D 200,637 $12.76 1,254,214 D F
08 Dec, 2025 Karen Sue Meriwether - - 9,752 D
08 Dec, 2025 Karen Sue Meriwether Class A Common Shares A 542 $14.67 9,752 D P
19 Nov, 2025 Christopher Lee-Smith Class A Common Shares A 14,700 $13.42 17,655,379 D P
19 Nov, 2025 Samuel Gaynor - - 7,500 D
19 Nov, 2025 Samuel Gaynor Class A Common Shares A 7,500 $13.44 7,500 D P
18 Nov, 2025 Francis James Oneill - - 7,235,125 D
18 Nov, 2025 Francis James Oneill Class A Common Shares A 38,000 $13.34 7,235,125 D P
17 Nov, 2025 Matthew David Sternberg - - 157,964 D
17 Nov, 2025 Matthew David Sternberg Class A Common Shares A 5,700 $13.10 157,964 D P
14 Nov, 2025 Jeffrey L Radke - - 28,261,939 I
14 Nov, 2025 Jeffrey L Radke Class A Common Shares A 74,110 $13.48 28,261,939 I P
25 Jul, 2025 Jeffrey L Radke - - 33,464 D
25 Jul, 2025 Jeffrey L Radke Class A Common Shares A 33,464 - 33,464 D C
25 Jul, 2025 Jeffrey L Radke Class A Common Shares A 249,828 - 249,828 I C
25 Jul, 2025 Jeffrey L Radke Class A Common Shares A 27,945,395 - 27,945,395 I C
25 Jul, 2025 Christopher Lee-Smith Class A Common Shares A 17,509,884 - 17,509,884 D C
25 Jul, 2025 Matthew David Sternberg Class A Common Shares A 152,264 $0.00 152,264 D A
25 Jul, 2025 Francis James Oneill Class A Common Shares A 7,975 - 7,144,680 D C
25 Jul, 2025 Francis James Oneill Class A Common Shares A 7,136,705 - 7,136,705 D C