[Form 4] American Integrity Insurance Group, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Ernest N. Csiszar, a director of American Integrity Insurance Group, Inc. (AII), reported the receipt of 727 shares of restricted common stock on 09/30/2025 as director compensation under the company’s 2025 Long-Term Incentive Plan. The shares were granted at a $0 per-share price and are subject to a 180-day lock-up tied to the reporting person’s lock-up agreement with the underwriters in connection with the issuer’s initial public offering. After the grant, the reporting person beneficially owns 1,613 shares. The Form 4 was signed by the reporting person on 10/02/2025.

Positive

• Grant of 727 restricted shares to a director recorded as compensation on 09/30/2025
• Post-grant beneficial ownership of 1,613 shares disclosed
• Restricted shares subject to a 180-day lock-up with underwriters following the IPO

Negative

• None.

Insights

Corporate Governance Analyst

Director received restricted shares and is subject to an IPO lock-up.

The filing shows a director grant of 727 restricted shares under the 2025 Long-Term Incentive Plan, recorded as a non-cash director compensation event on 09/30/2025. The shares carry a 180-day lock-up tied to the underwriters’ agreement for the issuer’s IPO, which restricts transfer for that period.

This report updates the director’s beneficial ownership to 1,613 shares and provides public disclosure required under Section 16 of the Exchange Act.

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

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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).

1. Name and Address of Reporting Person^*

Csiszar Ernest N

(Last) (First) (Middle)

5426 BAY CENTER DRIVE, SUITE 600

(Street)

TAMPA FL 33609

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
American Integrity Insurance Group, Inc. [ AII ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

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
Common Stock	09/30/2025		A		727(1)	A	$0	1,613	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. Represents shares of restricted stock of American Integrity Insurance Group, Inc. (the "Issuer") granted to the reporting person under the American Integrity Insurance Group, Inc. 2025 Long-Term Incentive Plan as director compensation. Such shares are subject to the 180-day lock-up provided for in the lock-up agreement with the several underwriters entered into by the reporting person in connection with the Issuer's initial public offering.

	/s/ Ernest N. Csiszar	10/02/2025
	** 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 did AII director Ernest N. Csiszar report on Form 4?

The director reported receiving 727 restricted common shares as director compensation under the 2025 Long-Term Incentive Plan on 09/30/2025.

What price was paid for the shares reported by Ernest N. Csiszar (AII)?

The reported grant price was $0 per share.

How many AII shares does Ernest N. Csiszar beneficially own after the transaction?

Following the reported transaction, the filing shows beneficial ownership of 1,613 shares.

Are the granted AII shares subject to any transfer restrictions?

Yes, the restricted shares are subject to a 180-day lock-up under the reporting person’s lock-up agreement with the underwriters in connection with the IPO.

When was the Form 4 signed by the reporting person?

The Form 4 bears the reporting person’s signature dated 10/02/2025.