Accelerant Holdings (ARX) CFO sells 50,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

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.

Insider Trade Summary 10b5-1

Net Seller: 50,000 shares ($638,285)

Net Sell 1 txn

Insider Green Jay Michael

Role Chief Financial Officer

Sold 50,000 shs ($638K)

Type	Security	Shares	Price	Value
Sale	Class A Common Shares	50,000	$12.7657	$638K

Holdings After Transaction: Class A Common Shares — 1,175,589 shares (Direct)

Footnotes (1)

1. The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 8, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.23 to $13.13, 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.

Form 4 Insider Transactions: What Each Field Means →

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).

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^*

Green Jay Michael

(Last) (First) (Middle)

UNIT 106, WINDWARD 3

REGATTA OFFICE PARK, WEST BAY ROAD

(Street)

GRAND CAYMAN KY1-1108

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

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)
			Code	V	Amount	(A) or (D)	Price
Class A Common Shares	03/23/2026		S		50,000(1)	D	$12.7657(2)	1,175,589	D

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 sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 8, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.23 to $13.13, 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.

Remarks:

	/s/ David Pelsue, Attorney-in-Fact	03/24/2026
	** 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)

FAQ

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

Accelerant Holdings disclosed that its Chief Financial Officer, Michael Green Jay, sold 50,000 Class A common shares in an open-market transaction. The sale occurred on March 23, 2026, under a pre-arranged Rule 10b5-1 trading plan adopted in December 2025.

At what price did the Accelerant Holdings (ARX) CFO sell shares?

The CFO’s reported sale used a weighted average price of $12.7657 per share. Footnotes explain the 50,000 shares were sold in multiple trades, with individual prices ranging from $12.23 to $13.13, and detailed breakdowns are available upon request.

How many Accelerant Holdings (ARX) shares does the CFO hold after this sale?

Following the reported sale, the CFO directly owns 1,175,589 Class A common shares of Accelerant Holdings. This figure reflects his position after disposing of 50,000 shares in the March 23, 2026, open-market transaction described in the Form 4 filing.

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

Yes. The filing states the sale was carried out under a Rule 10b5-1 trading plan adopted by the CFO on December 8, 2025. Such plans pre-schedule trades, reducing the significance of timing as an indicator of insider sentiment.

What does the weighted average price disclosure mean in the Accelerant Holdings (ARX) Form 4?

The weighted average price of $12.7657 means the 50,000 shares were sold across multiple trades at different prices. Individual sale prices ranged from $12.23 to $13.13, and the insider offers to provide exact share counts at each price level upon request.