Is Jeffrey Radke’s RSU award at Accelerant (ARX) an open‑market share purchase?

No. The 300,171 RSUs represent an equity compensation award, not an open‑market purchase. The Form 4 labels the transaction as a grant or award acquisition with a reported price per share of 0.0000 , indicating no cash purchase in this event.

Accelerant (ARX) CEO awarded 300,171 RSUs with multi-year vesting

Q: How do Jeffrey Radke’s new RSUs at Accelerant (ARX) vest over time?

The 300,171 RSUs granted to Jeffrey Radke vest 25% on the one‑year anniversary of the March 18, 2026 grant date. The remaining units vest 6.25% on the first day of each of the following twelve calendar quarters, creating a four‑year schedule.

Q: How many Accelerant (ARX) Class A shares does Jeffrey Radke hold directly after this Form 4?

After the RSU award, Jeffrey Radke is reported as holding 333,652 Class A Common Shares directly. This figure reflects his direct ownership position as of the reporting date and excludes additional indirect holdings through an LLC and a trust structure.

Q: What indirect Accelerant (ARX) holdings associated with Jeffrey Radke are reported?

The filing shows Class A shares held indirectly by Badly Bent LLC and by a trust for Radke’s spouse. The disclosure states he is manager of Badly Bent LLC’s sole member and that he disclaims beneficial ownership of these indirect holdings except for his pecuniary interest.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

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.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider RADKE JEFFREY L

Role Co-Founder, CEO

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Shares	300,171	$0.00	--
holding	Class A Common Shares	--	--	--
holding	Class A Common Shares	--	--	--

Holdings After Transaction: Class A Common Shares — 333,652 shares (Direct); Class A Common Shares — 28,261,939 shares (Indirect, By LLC)

Footnotes (1)

Represents an award of Restricted Stock Units granted on March 18, 2026. The RSUs are scheduled to vest as to twenty-five percent (25%) of the RSUs on the one-year anniversary of the Grant Date and as to six and one-quarter percent (6-1/4%) of the RSUs on the first day of each of the twelve (12) calendar quarters beginning after such anniversary. 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. 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.

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Form 4 Insider Transactions: What Each Field Means →

03/20/2026 - 07:28 PM

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).

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

KY1-1108

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

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

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Shares	03/18/2026		A		300,171⁽¹⁾	A	$0	333,652	D
Class A Common Shares								28,261,939	I	By LLC⁽²⁾
Class A Common Shares								249,951	I	By Trust⁽³⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Represents an award of Restricted Stock Units granted on March 18, 2026. The RSUs are scheduled to vest as to twenty-five percent (25%) of the RSUs on the one-year anniversary of the Grant Date and as to six and one-quarter percent (6-1/4%) of the RSUs on the first day of each of the twelve (12) calendar quarters beginning after such anniversary.

2. 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.

3. 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/ David Pelsue, Attorney-in-Fact	03/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What did Accelerant (ARX) disclose about CEO Jeffrey Radke’s latest equity award?

Accelerant disclosed that CEO Jeffrey L. Radke received an award of 300,171 restricted stock units (RSUs) on March 18, 2026. These RSUs represent Class A Common Shares granted as equity compensation, with no cash paid per share in this transaction.

How do Jeffrey Radke’s new RSUs at Accelerant (ARX) vest over time?

The 300,171 RSUs granted to Jeffrey Radke vest 25% on the one‑year anniversary of the March 18, 2026 grant date. The remaining units vest 6.25% on the first day of each of the following twelve calendar quarters, creating a four‑year schedule.

How many Accelerant (ARX) Class A shares does Jeffrey Radke hold directly after this Form 4?

After the RSU award, Jeffrey Radke is reported as holding 333,652 Class A Common Shares directly. This figure reflects his direct ownership position as of the reporting date and excludes additional indirect holdings through an LLC and a trust structure.

What indirect Accelerant (ARX) holdings associated with Jeffrey Radke are reported?

The filing shows Class A shares held indirectly by Badly Bent LLC and by a trust for Radke’s spouse. The disclosure states he is manager of Badly Bent LLC’s sole member and that he disclaims beneficial ownership of these indirect holdings except for his pecuniary interest.