Every Form 4 that Accelerant Holdings (ARX) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow ARX and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ARX filings page.
Accelerant Holdings (ARX) director Karen Sue Meriwether reported selling 542 Class A Common Shares on August 21, 2026 in a transaction coded as a sale in an open market or private transaction at a price of $19.6151 per share. After this sale, she directly holds 20,868 Class A Common Shares.
Accelerant Holdings director Nancy Hasley reported selling 20,489 Class A Common Shares of ARX on August 13, 2026 at a weighted average price of $19.5636 per share in open-market transactions effected under a Rule 10b5-1 trading plan adopted on December 8, 2025 and amended on March 24, 2026. Following the sale, she holds 1,341,834 shares directly, plus 512,531 shares held indirectly by an irrevocable trust for which her children are beneficiaries, and 500 shares held indirectly by her spouse; she disclaims beneficial ownership of the trust shares except to the extent of her pecuniary interest.
Accelerant Holdings officer Francis James O’Neill, Co-Founder and Chief U/W Officer, reported two indirect sales of Class A Common Shares held by Famed Ventures Limited. On August 10, 2026, 63,616 shares were sold at a weighted average of $12.0672 (range $11.89–$12.3450), and on August 11, 2026, 89,219 shares were sold at a weighted average of $12.4101 (range $12.055–$12.570). In total, 152,835 shares were sold under a Rule 10b5-1 trading plan adopted on March 23, 2026. O’Neill also reports 166,644 Class A Common Shares held directly after these transactions.
Accelerant Holdings director, Co-Founder and CEO Jeffrey L. Radke reported that Badly Bent LLC, an entity associated with him, sold 80,000 Class A Common Shares of Accelerant Holdings on August 10, 2026 at a weighted average price of $12.0887 per share under a Rule 10b5-1 trading plan adopted on March 24, 2026. Following this sale, Badly Bent LLC held 27,591,939 Class A shares, a trust for the benefit of Radke’s spouse held 249,951 Class A shares, and Radke held 333,652 Class A shares directly, with Radke disclaiming beneficial ownership of the LLC and trust shares except to the extent of his pecuniary interest.
Accelerant Holdings reported an insider transaction involving Co-Founder and CEO Jeffrey L. Radke. On 2026-08-03, Badly Bent LLC, an entity he manages, sold 80,000 Class A Common Shares at a weighted-average price of $12.0566 under a Rule 10b5-1 trading plan adopted on March 24, 2026.
Following this sale, Badly Bent LLC held 27,671,939 Class A shares, a trust for Radke’s spouse held 249,951 shares, and Radke held 333,652 shares directly, with beneficial ownership disclaimed except to the extent of his pecuniary interests.
Accelerant Holdings Co-Founder and Chief U/W Officer Francis James O’Neill, through Famed Ventures Limited, sold a total of 215,114 Class A Common Shares on July 27–28, 2026 at weighted average prices of $14.6308 and $14.5580 per share under a Rule 10b5-1 trading plan adopted on March 23, 2026. He continues to hold 166,644 Class A Common Shares directly as of July 27, 2026.
Accelerant Holdings Co‑Founder and CEO Jeffrey L. Radke, a 10% owner, reported two indirect sales of Class A Common Shares by Badly Bent LLC on July 27, 2026, totaling 95,223 shares. The reported per‑share prices are weighted averages; underlying trades occurred in ranges of $14.40–$14.83 and $14.29–$14.66, executed under a Rule 10b5‑1 trading plan adopted March 24, 2026. Radke is manager of the LLC’s sole member and disclaims beneficial ownership except for his pecuniary interest. He also reports 333,652 shares held directly and 249,951 shares held in a trust for his spouse, again with beneficial ownership disclaimed except to the extent of any pecuniary interest.
Accelerant Holdings executive Matthew David Sternberg, COO, Risk Exchange, sold 17,568 Class A Common Shares on July 27, 2026 at a weighted average price of $14.6406 per share under a Rule 10b5-1 trading plan adopted December 7, 2025.
Separately, on July 23, 2026, 3,910 shares were withheld at $13.77 per share to satisfy tax obligations upon settlement of vested Restricted Share Units, which was not an open-market sale.
Accelerant Holdings Co-Founder and CEO Jeffrey L. Radke, a 10% owner, reported indirect sales totaling 94,777 Class A shares in July 2026 through Badly Bent LLC under a Rule 10b5-1 trading plan adopted on March 24, 2026. Weighted-average sale prices were $14.2978 and $13.5068, across disclosed price ranges. Reported positions after these trades include 333,652 shares held directly and 249,951 shares held in a trust for his spouse, with Radke disclaiming beneficial ownership of LLC and trust holdings except for any pecuniary interest.
Accelerant Holdings co-founder and Chief Underwriting Officer Francis James O’Neill, through entity Famed Ventures Limited, executed open-market sales of 165,886 Class A Common Shares on July 14–15, 2026 at weighted average prices of $12.8447 and $12.7110 per share pursuant to a Rule 10b5-1 trading plan adopted on March 23, 2026. Following these transactions, Famed Ventures Limited holds 6,737,239 Class A Common Shares indirectly for him, and he also holds 166,644 shares directly.
Accelerant Holdings reports that Co-Founder and CEO Jeffrey L. Radke, a more-than-10% owner, had affiliated entity Badly Bent LLC sell 80,000 Class A Common Shares on July 13, 2026 at a weighted-average price of $13.1762, under a Rule 10b5-1 trading plan adopted March 24, 2026. Following the transactions, Radke is reported with 333,652 shares held directly, 249,951 held in a spouse trust, and Badly Bent LLC holding 27,941,939 shares, with beneficial ownership in the indirect holdings disclaimed except for his pecuniary interest.
Accelerant Holdings director and CEO Jeffrey L. Radke reported an indirect sale of Class A Common Shares through an affiliated LLC. On July 6, 2026, entity Badly Bent LLC sold 80,000 shares at a weighted average price of $13.3278 per share under a pre-arranged Rule 10b5-1 trading plan adopted on March 24, 2026. The filing notes these shares were sold in multiple trades between $13.18 and $13.69 per share. Following the transactions, Badly Bent LLC held 28,021,939 shares, while Radke also had 333,652 shares held directly and 249,951 shares held in a trust for his spouse, over which he disclaims beneficial ownership except for his pecuniary interest.
Accelerant Holdings director and Co-Founder/CEO Jeffrey L. Radke reported an indirect sale of Class A Common Shares through Badly Bent LLC. The LLC sold 80,000 shares at a weighted average price of $12.8735 per share under a pre-arranged Rule 10b5-1 trading plan.
After this transaction, Badly Bent LLC is shown with 28,101,939 Class A shares, while Radke also has 333,652 shares held directly and 249,951 shares held indirectly by a trust. Footnotes state Radke disclaims beneficial ownership of the LLC and trust holdings except for his pecuniary interest.
Accelerant Holdings co-founder-related entity sells shares under 10b5-1 plan
Famed Ventures Limited, an entity associated with Co‑Founder and Chief Underwriting Officer Francis James O’Neill, sold a total of 147,000 Class A Common Shares in open‑market transactions on June 25 and 26 under a pre‑arranged Rule 10b5‑1 trading plan. The shares were sold at weighted average prices of $13.0582 and $13.1823 across multiple trades. After these sales, O’Neill’s indirect holdings through Famed Ventures Limited were 6,903,125 Class A shares, and his direct holdings were 166,644 Class A shares.
Accelerant Holdings director Nancy Hasley reported an open-market sale of 35,000 Class A Common Shares. The sale occurred on June 23, 2026 at a weighted average price of $13.1128 per share under a pre-arranged Rule 10b5-1 trading plan.
Following the transaction, Hasley directly holds 1,362,323 Class A shares. She also reports indirect holdings of 512,531 shares through an irrevocable trust, for which her children are beneficiaries, and 500 shares held by her spouse, with beneficial ownership of the trust interests disclaimed except for her pecuniary interest.
Accelerant Holdings director and Co-Founder/CEO Jeffrey L. Radke reported an open‑market sale of 80,000 Class A common shares on June 23, 2026, executed by Badly Bent LLC, an entity associated with him. The shares were sold at a weighted average price of $13.1076, with individual trades ranging from $12.95 to $13.28, under a pre‑arranged Rule 10b5‑1 trading plan adopted on March 24, 2026. After the sale, Badly Bent LLC held 28,181,939 Class A shares. Separately, Radke is shown with 333,652 Class A shares held directly and 249,951 Class A shares held indirectly in a trust for the benefit of his spousal equivalent, and he disclaims beneficial ownership of the indirect holdings except to the extent of his pecuniary interest.
Accelerant Holdings co-founder and Chief Underwriting Officer Francis James O’Neill reported indirect open-market sales of Class A Common Shares through Famed Ventures Limited, an entity he solely owns and directs. Famed Ventures sold 70,536 shares at a weighted average price of $13.2072 and 76,464 shares at a weighted average price of $13.1098, totaling 147,000 shares sold. These transactions were executed under a Rule 10b5-1 trading plan adopted on March 23, 2026. After the sales, indirect holdings through Famed Ventures were 7,050,125 shares, and direct holdings were 166,644 shares.
Accelerant Holdings reported that COO, Risk Exchange Matthew David Sternberg received an award of 279,329 Class A Common Share RSUs on May 13, 2026. These Restricted Stock Units are compensation, not an open‑market purchase, and carry a zero grant price.
The RSUs vest over time, with 25% vesting on the one‑year anniversary of the grant date and 6.25% vesting on the first day of each of twelve calendar quarters after that. Each RSU converts into one Class A common share upon settlement. Following this award, Sternberg directly holds 617,960 Class A common shares.
Wainwright Simon reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings director Simon Wainwright reported an equity compensation grant on Form 4. He was awarded 23,316 Restricted Stock Units (RSUs) of Class A common shares at no purchase price under the non-employee director compensation program.
Half of the RSUs, or 11,658 units, are a one-time award tied to his appointment as a non-employee director and are scheduled to vest in three equal annual installments on each anniversary of the May 13, 2026 grant date. The other 11,658 RSUs are an annual award scheduled to vest on the one-year anniversary of the grant date. Each RSU represents a contingent right to receive one Class A common share upon settlement, and following this grant he holds 23,316 shares directly according to the filing.
Accelerant Holdings director David George Paul Talach received an equity grant as part of his board compensation. He was awarded 23,316 Restricted Stock Units (RSUs) tied to Class A common shares, with no cash paid per share. After this award, he holds 23,316 Class A common shares directly.
Half of the RSUs, or 11,658 units, are a one-time grant related to his appointment as a non-employee director and are scheduled to vest in three equal annual installments after the grant date. The remaining 11,658 RSUs are an annual award that will vest on the first anniversary of the grant date. Each RSU converts into one Class A common share when it vests and is settled.
Meriwether Karen Sue reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings director Karen Sue Meriwether received an equity grant of 11,658 Restricted Stock Units (RSUs). Each RSU represents the contingent right to receive one Class A Common Share, forming part of the non-employee director compensation program. The RSUs are scheduled to vest in full on the one-year anniversary of the grant date. Following this award, Meriwether directly holds 21,410 Class A Common Shares.
Accelerant Holdings director Nancy Hasley reported an equity compensation grant and updated her share holdings. She received an annual award of 11,658 Restricted Stock Units under the non-employee director compensation program, with each RSU representing one Class A Common Share at no purchase price.
The RSUs are scheduled to vest in full on the one-year anniversary of the grant date. Following this award, Hasley holds 1,397,323 Class A Common Shares directly. She also has indirect holdings of 500 shares through her spouse and 512,531 shares held in an irrevocable trust for which she exercises investment discretion and disclaims beneficial ownership except for her pecuniary interest.
Little Paul Christopher reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings director Paul Christopher Little received an annual equity grant in the form of 11,658 Restricted Stock Units, each convertible into one Class A Common Share. The RSUs were awarded at no cash cost and are scheduled to vest in full on the one-year anniversary of the grant date, bringing his direct holdings to 20,868 Class A Common Shares after the award.
Accelerant Holdings Chief Financial Officer Michael Green Jay reported an open-market sale of 50,000 Class A common shares on March 23, 2026. The shares were sold at a weighted average price of $12.7657 per share, in multiple trades between $12.23 and $13.13.
After this transaction, he directly holds 1,175,589 Class A common shares. The filing notes the sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on December 8, 2025, indicating the trades were scheduled in advance.
RADKE JEFFREY L reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings reported that Co‑Founder and CEO Jeffrey L. Radke received an award of 300,171 restricted stock units (RSUs) representing Class A Common Shares on March 18, 2026 at no cash cost. Following this grant, he directly holds 333,652 Class A shares.
The RSUs are scheduled to vest as to 25% on the one‑year anniversary of the grant date and 6.25% on the first day of each of the next twelve calendar quarters, creating a multi‑year retention schedule. Additional Class A shares are held indirectly through Badly Bent LLC and a trust for his spouse, and Radke disclaims beneficial ownership of those indirect holdings except for his pecuniary interest.
ONeill Francis James reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings reported that co-founder and Chief Underwriting Officer Francis James O’Neill received an award of 128,644 Class A Common Share restricted stock units on March 18, 2026, as equity compensation. The units carry no purchase price and increase his direct holdings to 7,363,769 shares after the grant.
The award vests over time. According to the terms, 25% of the restricted stock units vest on the one-year anniversary of the March 18, 2026 grant date, with an additional 6.25% vesting on the first day of each of the twelve calendar quarters that follow that anniversary. This creates a four-year vesting schedule tied to his ongoing service.
Lee-Smith Christopher reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings director and officer Christopher Lee-Smith reported an award of 128,644 Class A common share–based Restricted Stock Units as compensation. The grant was made on March 18, 2026, at no cash cost to him, and brings his direct holdings to 17,784,023 Class A shares.
The RSUs are scheduled to vest over time, with 25% vesting on the one-year anniversary of the grant date and 6.25% vesting on the first day of each of the twelve calendar quarters that follow, tying the award to ongoing service.
Sternberg Matthew David reported acquisition or exercise transactions in this Form 4 filing.
Accelerant Holdings reported that Matthew David Sternberg, COO of Risk Exchange, received an award of 180,667 Class A Common Share RSUs on March 18, 2026. These restricted stock units were granted at no cash cost and are part of his equity compensation.
The RSUs are scheduled to vest as to 25% on the one-year anniversary of the grant date and 6.25% on the first day of each of the twelve calendar quarters after that anniversary. Following this award, Sternberg directly holds 338,631 Class A Common Shares.
Accelerant Holdings Chief Financial Officer Green Jay Michael reported a tax-related share withholding rather than an open-market sale. On this Form 4, 28,625 Class A Common Shares were withheld at $11.63 per share to satisfy tax obligations when restricted stock units vested under company policy.
After this non-discretionary tax-withholding disposition, he directly holds 1,225,589 Class A Common Shares. The footnote clarifies the event was not an open-market transaction and does not reflect an active decision to sell shares.
Accelerant Holdings Chief Financial Officer Jay Michael Green reported a routine share withholding related to equity compensation. On 02/02/2026, 200,637 Class A Common Shares were withheld at $12.76 per share to cover tax obligations from vested restricted stock units under company policy.
After this non-discretionary withholding, he beneficially owns 1,254,214 Class A Common Shares directly. The footnote clarifies this was not an open market sale and does not represent a voluntary decision to sell shares.
An insider of Accelerant Holdings, who serves as both a director and officer (Co-Founder, Head of Distribution), reported buying 14,700 Class A Common Shares on 11/19/2025 in an open-market transaction coded as a purchase.
The weighted average purchase price was $13.4177 per share, based on multiple trades executed between $13.15 and $13.58. Following this transaction, the reporting person beneficially owns 17,655,379 Class A Common Shares held directly. The report notes that this ownership figure includes a minor adjustment correcting the number of shares previously reported after the company’s initial public offering on July 25, 2025.
Accelerant Holdings (ARX) director reports small share purchase. A board member bought 542 Class A common shares of Accelerant Holdings on 12/08/2025 at a price of $14.6695 per share in an open-market transaction coded "P" (purchase). After this trade, the director beneficially owns 9,752 Class A common shares in direct ownership form.
Accelerant Holdings (ARX) director share purchase disclosed
A director of Accelerant Holdings reported buying 7,500 Class A Common Shares on 11/19/2025. The shares were acquired in an open-market transaction at a weighted average price of $13.4365 per share, with individual trades executed between $13.18 and $13.59. Following this transaction, the director beneficially owns 7,500 Class A Common Shares, held directly. The filing notes that detailed trade breakdowns within the reported price range are available upon request.
Accelerant Holdings (ARX) reported an insider share purchase by its Co‑Founder and Chief Underwriting Officer. On 11/18/2025, the reporting person bought 38,000 Class A Common Shares in an open‑market transaction coded "P" at a weighted average price of $13.3371 per share, with individual trade prices ranging from $12.84 to $13.70.
Following this transaction and a minor post‑IPO reporting correction, the insider is shown as directly beneficially owning 7,235,125 Class A Common Shares.
Accelerant Holdings reported an insider share purchase by its COO, Risk Exchange. On 11/17/2025, the officer acquired 5,700 Class A Common Shares in a transaction coded as a purchase. The weighted average purchase price was $13.1045 per share, with individual trades executed between $13.08 and $13.12.
Following this transaction, the reporting person beneficially owns 157,964 Class A Common Shares, held directly. The filing notes that detailed trade-by-trade pricing information within the reported range is available upon request from the officer, the company, or the SEC staff.
Accelerant Holdings (ARX) reported an insider transaction by a reporting person who is a director, 10% owner, co‑founder and CEO. On 11/14/2025, the reporting person, through an LLC, purchased 74,110 Class A Common Shares at a weighted average price of $13.4849 per share in multiple trades between $13.15 and $13.83. After this transaction, the reporting person beneficially owned 28,261,939 Class A Common Shares indirectly through an LLC, 33,481 Class A Common Shares directly, and 249,951 Class A Common Shares indirectly through a trust. The filing also notes minor adjustments correcting previously reported direct and indirect holdings following the company’s initial public offering.