[Form 4] Accelerant Holdings Insider Trading Activity

Rhea-AI Filing Summary

Accelerant Holdings (ARX) Form 4 filing: Co-founder & CEO Jeffrey L. Radke was granted 8,279,552 stock options on 23 Jul 2025 at an exercise price of $21 per Class A common share. The options expire on 23 Jul 2035.

Vesting schedule: 25 % vests on 23 Jul 2026; the remaining 75 % vests in 6.25 % quarterly tranches through 23 Jul 2029, subject to continuous service. Following the grant, Radke beneficially owns the full 8.28 M derivative securities directly.

Take-aways for investors: the award is sizable and represents future dilution if exercised, but it strengthens management-shareholder alignment and serves as a long-term retention incentive for the CEO.

Positive

• Management alignment: Long-term, service-based vesting ties CEO wealth to share price performance.
• No immediate dilution: Shares are issued only upon future exercise, preserving current float.

Negative

• Potential share overhang: 8.28 M options could dilute existing holders once in-the-money.
• High concentration: A single executive gains significant control if options fully vest and are exercised.

Insights

Equity Compensation Analyst

TL;DR: Large, standard-term option grant aligns CEO incentives; dilution risk modest until exercised.

The 8.28 M options equal a meaningful potential ownership stake, granted at a $21 strike with 10-year life and four-year vesting. Such sizing suggests the board is rewarding performance and anchoring Radke for the next growth phase. Because the award is purely derivative, there is no immediate cash cost or share issuance; dilution occurs only upon exercise, likely several years out. Investors should monitor subsequent Form 4s for early exercises or additional grants, but today’s filing is mainly incentive-related and neutral to near-term valuation.

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

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).

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

3. Date of Earliest Transaction (Month/Day/Year)
07/23/2025

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

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
Stock Option (Right to Buy)	$21	07/23/2025		A		8,279,552		(1)	07/23/2035	Class A Common Shares	8,279,552	$0	8,279,552	D

Explanation of Responses:

1. Twenty-five percent (25%) of the Class A Common Shares subject to the option vest on July 23, 2026 (the one-year anniversary of the grant date), and the remaining Class A Common Shares subject to the option vest in 6.25% quarterly installments through July 23, 2029 (the four-year anniversary of the grant date), in each case subject to the Reporting Person's continuous service.

	/s/ Robert Hardy, Attorney-in-Fact	07/25/2025
	** 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

How many options did Accelerant (ARX) grant to its CEO?

The Form 4 shows an award of 8,279,552 stock options.

What is the exercise price of the new ARX stock options?

The options are exercisable at $21 per Class A common share.

When do the ARX CEO options vest?

25 % vests on 23 Jul 2026; the remaining vests quarterly at 6.25 % through 23 Jul 2029.

Do these options create immediate dilution for ARX shareholders?

No. Dilution occurs only if and when the options are exercised.

What is the expiration date of the stock options granted to Jeffrey Radke?

The options expire on 23 Jul 2035.

What ownership form is indicated for the CEO’s option grant?

The filing lists the ownership as Direct (D).