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Accelerant Holdings (ARX) CEO-linked LLC sells 80,000 shares under Rule 10b5-1 plan

(Very High)
(Negative)
Form Type
4

Rhea-AI Filing Summary

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.

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Insider RADKE JEFFREY L
Role Co-Founder, CEO
Sold 80,000 shs ($967K)
Type Security Shares Price Value
Sale Class A Common Shares F1, F2, F3 80,000 $12.0887 $967K
holding Class A Common Shares F4 -- -- --
holding Class A Common Shares -- -- --
Holdings After Transaction: Class A Common Shares — 27,591,939 shares (Indirect, By LLC); Class A Common Shares — 249,951 shares (Indirect, By Trust); Class A Common Shares — 333,652 shares (Direct)
Footnotes (4)
  1. F1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 24, 2026.
  2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.89 to $12.335, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
  3. F3. These securities are held directly by Badly Bent LLC. The Reporting Person is the manager of the sole member of Badly Bent LLC. The Reporting Person disclaims beneficial ownership over these securities, except to the extent of his pecuniary interest therein.
  4. F4. These securities are held in trust for the benefit of the Reporting Person's spouse, who is the trustee of the trust. The Reporting Person disclaims beneficial ownership over these securities, except to the extent of his pecuniary interest therein.
Shares sold 80,000 Class A Common Shares Sale by Badly Bent LLC on August 10, 2026
Weighted average sale price $12.0887 per share Class A Common Shares sold August 10, 2026
Post-sale LLC holdings 27,591,939 Class A Common Shares Shares held by Badly Bent LLC following the transaction
Spousal trust holdings 249,951 Class A Common Shares Held in trust for benefit of reporting person’s spouse
Direct holdings 333,652 Class A Common Shares Shares held directly by Jeffrey L. Radke
Sale price range $11.89 to $12.335 per share Range of prices for multiple transactions on August 10, 2026
10b5-1 plan adoption date March 24, 2026 Date Jeffrey L. Radke adopted Rule 10b5-1 trading plan
Rule 10b5-1 trading plan regulatory
"sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
pecuniary interest financial
"disclaims beneficial ownership over these securities, except to the extent of his pecuniary interest"
beneficial ownership financial
"The Reporting Person disclaims beneficial ownership over these securities"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
indirect ownership financial
"These securities are held directly by Badly Bent LLC… indirect ownership via LLC"

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider transaction did Accelerant Holdings (ARX) report in this Form 4?

Badly Bent LLC, an entity associated with CEO Jeffrey L. Radke, sold 80,000 Class A Common Shares of Accelerant Holdings on August 10, 2026 under a Rule 10b5-1 trading plan.

At what price were the 80,000 Accelerant Holdings (ARX) shares sold?

The 80,000 shares were sold at a weighted average price of $12.0887 per share, in multiple trades within a price range of $11.89 to $12.335, as disclosed in the Form 4 footnotes.

How many Accelerant Holdings (ARX) shares does Badly Bent LLC hold after the reported sale?

After the sale, Badly Bent LLC held 27,591,939 Class A Common Shares of Accelerant Holdings. Jeffrey L. Radke is associated with Badly Bent LLC but disclaims beneficial ownership except to the extent of his pecuniary interest.

Was the Accelerant Holdings (ARX) insider sale made under a Rule 10b5-1 trading plan?

Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Jeffrey L. Radke on March 24, 2026, and the document-level 10b5-1 checkbox is marked true.

Does Jeffrey L. Radke claim full beneficial ownership of all Accelerant Holdings (ARX) shares reported?

No. For shares held by Badly Bent LLC and by a spousal trust, Radke disclaims beneficial ownership except to the extent of his pecuniary interest, as specified in the Form 4 footnotes.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
RADKE JEFFREY L

(Last)(First)(Middle)
UNIT 106, WINDWARD 3
REGATTA OFFICE PARK, WEST BAY ROAD

(Street)
GRAND CAYMANKY1-1108

(City)(State)(Zip)

CAYMAN ISLANDS

(Country)
2. Issuer Name and Ticker or Trading Symbol
Accelerant Holdings [ ARX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Co-Founder, CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Shares08/10/2026S80,000(1)D$12.0887(2)27,591,939IBy LLC(3)
Class A Common Shares249,951IBy Trust(4)
Class A Common Shares333,652D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 24, 2026.
2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.89 to $12.335, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
3. These securities are held directly by Badly Bent LLC. The Reporting Person is the manager of the sole member of Badly Bent LLC. The Reporting Person disclaims beneficial ownership over these securities, except to the extent of his pecuniary interest therein.
4. These securities are held in trust for the benefit of the Reporting Person's spouse, who is the trustee of the trust. The Reporting Person disclaims beneficial ownership over these securities, except to the extent of his pecuniary interest therein.
Remarks:
/s/ Robert L. Villasenor, attorney-in-fact for Jeffrey L Radke08/11/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)