[Form 4] Accelerant Holdings Insider Trading Activity

Rhea-AI Filing Summary

Accelerant Holdings (ARX)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.

11/18/2025 - 08:23 AM

SEC Form 4

FORM 4

UNITED 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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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 CAYMAN E9 KY1-1108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Accelerant Holdings [ ARX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Founder, CEO

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Shares	11/14/2025		P		74,110	A	$13.4849(1)	28,261,939(2)	I	By LLC(3)
Class A Common Shares								33,481(2)	D
Class A Common Shares								249,951(2)	I	By Trust(4)

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in Column 4 above reflects the weighted average purchase price. This transaction was executed in multiple trades at prices ranging from $13.15 to $13.83, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of Class A Common Shares purchased at each respective price within the range set forth in footnote 1 of this Form 4.

2. These numbers reflect minor adjustments to account for a correction in the number of Class A Common Shares reported as directly and indirectly beneficially owned by the Reporting Person following the closing of the Issuer's initial public offering on July 25, 2025, as reported in the Form 4 filed by the Reporting Person on July 29, 2025.

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:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ David Pelsue, Attorney-in-Fact	11/18/2025
	** Signature of Reporting Person	Date
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.

FAQ

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

The filing shows that on 11/14/2025 the reporting person, through an LLC, purchased 74,110 Class A Common Shares of Accelerant Holdings at a weighted average price of $13.4849 per share.

At what prices were the Accelerant Holdings (ARX) shares bought in the reported trade?

The 74,110 Class A Common Shares were bought in multiple trades at prices ranging from $13.15 to $13.83 per share, with a weighted average price of $13.4849.

How many Accelerant Holdings (ARX) shares does the insider beneficially own after the transaction?

After the reported transaction, the insider beneficially owns 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.

What is the relationship of the reporting person to Accelerant Holdings (ARX)?

The reporting person is a director, a 10% owner, and an officer of Accelerant Holdings, with the title of Co‑Founder, CEO.

How are some of the Accelerant Holdings (ARX) shares held by the insider structured?

Some shares are held indirectly: 28,261,939 Class A Common Shares are held by an LLC managed by the reporting person’s affiliate, and 249,951 Class A Common Shares are held in a trust for the benefit of the reporting person’s spouse, who is the trustee.

Did the Accelerant Holdings (ARX) Form 4 include any corrections to prior share counts?

Yes. The filing states that the reported numbers include minor adjustments to correct the Class A Common Shares previously reported as directly and indirectly beneficially owned following Accelerant Holdings’ initial public offering on July 25, 2025.