Acadian Asset Management (AAMI) Form 4 Acadian Asset Management / Christina Wiater ownership change

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^*

Wiater Christina

(Last) (First) (Middle)

200 STATE STREET

13TH FLOOR

(Street)

BOSTON MA 02109

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Acadian Asset Management Inc. [ AAMI ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/14/2025

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
Common Stock	02/15/2025		M		5,180	A	$0	20,646	D
Common Stock	02/15/2025		F		1,521	D	$25.69	19,125	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
Restricted Stock Units	$0(1)	02/14/2025		A		12,018		(2)	(2)	Common Stock	12,018	$0	26,205	D
Restricted Stock Units	$0(1)	02/15/2025		M			5,180	(3)	(3)	Common Stock	5,180	$0	21,025	D

Explanation of Responses:

1. Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc.

2. On February 14, 2025, the reporting person was granted 12,018 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 14, 2026, February 14, 2027 and February 14, 2028.

3. On February 15, 2023, the reporting person was granted 4,059 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2024, February 15, 2025 and February 15, 2026. On February 15, 2024, the reporting person was granted 11,481 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2025, February 15, 2026 and February 15, 2027.

Remarks:

	/s/ Richard J. Hart, By POA for Christina Wiater	02/19/2025
	** 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.
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