United States Software & IT Services

Accelerant Holdings (ARX)

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Over the past 90 days, Accelerant Holdings has seen 27 insider transactions, all of which were sales totaling approximately $33.5 million. Key executives, including CEO Jeffrey Radke and Chief Underwriting Officer Francis O'Neill, have consistently executed planned and proposed sales. These transactions follow the company's May 2026 earnings report, which showed an 8.28% earnings beat.
Ticker: ARX Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Planned sale 27 Jul 2026
Value US$1,450,627.74 | Price 167.78 | Shares 50,479 (-47.2%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-07-27 2026-07-27 PlS Planned sale
1.6
Sternberg Matthew David

COO, Risk Exchange

Officer
50,479 -47.2%
167.78
US$1,450,628 		50,479 -47.2% 167.78 US$1,450,628
2026-07-27 2026-07-27 PrS Proposed sale
1.6
MATTHEW STERNBERG

Officer

Officer
92,939
48.20
US$1,791,838 		92,939 48.20 US$1,791,838
2026-07-27 2026-07-27 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
57,999
148.42
US$922,188 		57,999 148.42 US$922,188
2026-07-24 2026-07-24 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
1,000
14.16
US$100,000 		1,000 14.16 US$100,000
2026-07-20 2026-07-20 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
1,000 -0.3%
13.51
US$100,000 		1,000 -0.3% 13.51 US$100,000
2026-07-20 2026-07-20 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
1,000
13.41
US$100,000 		1,000 13.41 US$100,000
2026-07-20 2026-07-17 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
1,000 -0.1%
14.30
US$100,000 		1,000 -0.1% 14.30 US$100,000
2026-07-17 2026-07-17 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
1,000
14.13
US$100,000 		1,000 14.13 US$100,000
2026-07-16 2026-07-15 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
1,000 -1.2%
12.71
US$100,000 		1,000 -1.2% 12.71 US$100,000
2026-07-16 2026-07-14 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
1,000 -1.2%
12.84
US$100,000 		1,000 -1.2% 12.84 US$100,000
2026-07-14 2026-07-14 PrS Proposed sale
1.6
Francis James O'Neill

Officer

Officer
1,000
12.67
US$100,000 		1,000 12.67 US$100,000
2026-07-14 2026-07-13 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
1,000 -0.3%
13.18
US$100,000 		1,000 -0.3% 13.18 US$100,000
2026-07-13 2026-07-13 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
1,000
13.08
US$100,000 		1,000 13.08 US$100,000
2026-07-07 2026-07-06 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
1,000 -0.3%
13.33
US$100,000 		1,000 -0.3% 13.33 US$100,000
2026-07-06 2026-07-06 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
80,000
13.23
US$1,058,737 		80,000 13.23 US$1,058,737
2026-06-30 2026-06-29 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
80,000 -0.3%
12.87
US$1,029,880 		80,000 -0.3% 12.87 US$1,029,880
2026-06-29 2026-06-29 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
80,000
12.78
US$1,022,646 		80,000 12.78 US$1,022,646
2026-06-29 2026-06-26 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
73,500 -1.1%
13.18
US$968,899 		73,500 -1.1% 13.18 US$968,899
2026-06-29 2026-06-25 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
73,500 -1.0%
13.06
US$959,778 		73,500 -1.0% 13.06 US$959,778
2026-06-25 2026-06-23 PlS Planned sale
Hasley Nancy
Non-Executive Director
35,000 -2.5%
13.11
US$458,948 		35,000 -2.5% 13.11 US$458,948
2026-06-25 2026-06-23 PlS Planned sale
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
80,000 -0.3%
13.11
US$1,048,608 		80,000 -0.3% 13.11 US$1,048,608
2026-06-24 2026-06-23 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
76,464 -1.1%
13.11
US$1,002,428 		76,464 -1.1% 13.11 US$1,002,428
2026-06-23 2026-06-23 PrS Proposed sale
1.6
Francis James O'Neill

Officer

Officer
220,500
13.13
US$2,895,165 		220,500 13.13 US$2,895,165
2026-06-23 2026-06-23 PrS Proposed sale
NANCY HASLEY

Director; Officer

Executive Director
35,000
12.89
US$451,150 		35,000 12.89 US$451,150
2026-06-23 2026-06-23 PrS Proposed sale
1.5
RADKE JEFFREY L

Officer; Director

Executive Director
80,000
13.02
US$1,041,239 		80,000 13.02 US$1,041,239
2026-06-24 2026-06-22 PlS Planned sale
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
70,536 -1.0%
13.21
US$931,583 		70,536 -1.0% 13.21 US$931,583
2026-06-22 2026-06-22 PrS Proposed sale
1.6
Francis James O'Neill

Officer

Officer
73,500
12.89
US$947,415 		73,500 12.89 US$947,415
2026-06-22 2026-06-22 PrS Proposed sale
1.6
Francis James O'Neill

Officer

Officer
73,500
12.89
US$947,415 		73,500 12.89 US$947,415
2026-05-18 2026-05-18 PrS Proposed sale
JAY GREEN

Former affiliate
180,000
15.71
US$2,828,070 		180,000 15.71 US$2,828,070
2026-05-18 2026-05-18 PrS Proposed sale
JAY GREEN

Former affiliate
180,000
15.71
US$2,828,070 		180,000 15.71 US$2,828,070
2026-03-24 2026-03-23 PlS Planned sale
Green Jay Michael

Chief Financial Officer

Officer
50,000 -4.1%
12.77
US$638,285 		50,000 -4.1% 12.77 US$638,285
2026-03-23 2026-03-23 PrS Proposed sale
JAY GREEN

Officer

Officer
50,000
12.95
US$647,500 		50,000 12.95 US$647,500
2025-12-09 2025-12-08 B Purchase
1.5
Meriwether Karen Sue
Non-Executive Director
542 +5.9%
14.67
US$7,951 		542 +5.9% 14.67 US$7,951
2025-12-17 2025-11-19 B Purchase
1.6
Lee-Smith Christopher

Co-Founder, Head of Distrib.

Executive Director
14,700 +0.1%
13.42
US$197,240 		14,700 +0.1% 13.42 US$197,240
2025-11-20 2025-11-19 B Purchase
1.6
Gaynor Samuel
Non-Executive Director
7,500 +inf%
13.44
US$100,774 		7,500 +inf% 13.44 US$100,774
2025-11-20 2025-11-18 B Purchase
1.6
ONeill Francis James

Co-Founder, Chief U/W Officer

Officer
38,000 +0.5%
13.34
US$506,810 		38,000 +0.5% 13.34 US$506,810
2025-11-19 2025-11-17 B Purchase
1.6
Sternberg Matthew David

COO, Risk Exchange

Officer
5,700 +3.7%
13.10
US$74,696 		5,700 +3.7% 13.10 US$74,696
2025-11-18 2025-11-14 B Purchase
1.5
RADKE JEFFREY L

Co-Founder, CEO

Executive Director Large shareholder
74,110 +0.3%
13.48
US$999,366 		74,110 +0.3% 13.48 US$999,366
2025-07-29 2025-07-25 S Sale
Schwartz Keoni Andrew
Non-Executive Director Large shareholder
326,312 -100.0%
21.00
US$6,852,552 		326,312 -100.0% 21.00 US$6,852,552
2025-07-29 2025-07-25 S Sale
Schwartz Keoni Andrew
Non-Executive Director Large shareholder
488,131 -100.0%
21.00
US$10,250,751 		488,131 -100.0% 21.00 US$10,250,751
2025-07-29 2025-07-25 S Sale
Schwartz Keoni Andrew
Non-Executive Director Large shareholder
2,670,456 -100.0%
21.00
US$56,079,576 		2,670,456 -100.0% 21.00 US$56,079,576
2025-07-29 2025-07-25 S Sale
Schwartz Keoni Andrew
Non-Executive Director Large shareholder
8,111,253 -100.0%
21.00
US$170,336,313 		8,111,253 -100.0% 21.00 US$170,336,313
2025-07-29 2025-07-25 B Purchase
Hasley Nancy

General Counsel

Executive Director
500 +inf%
21.00
US$10,500 		500 +inf% 21.00 US$10,500
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