Acadian CEO granted 48,748 RSUs

Young Kelly reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Young Kelly reported acquisition or exercise transactions in this Form 4 filing.

Acadian Asset Management Inc. reported that President and CEO Kelly Young received a grant of 48,748 restricted stock units on February 13, 2026. Each unit represents the right to receive one share of Acadian common stock.

The award vests in three equal annual installments, with one-third of the shares vesting on each of February 13, 2027, February 13, 2028, and February 13, 2029, aligning the CEO’s compensation with longer-term company performance.

Insider Trade Summary

Grant/Award: 48,748 shares

Grant/Award 1 txn

Insider Young Kelly

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	48,748	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 48,748 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc.
2. F2. On February 13, 2026, the reporting person was granted 48,748 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 13, 2027, February 13, 2028 and February 13, 2029.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Acadian Asset Management (AAMI) report for Kelly Young?

Acadian Asset Management reported that President and CEO Kelly Young received a grant of 48,748 restricted stock units on February 13, 2026. These units are part of her equity compensation and convert into common shares as they vest over time.

How many restricted stock units did AAMI grant to its CEO Kelly Young?

Kelly Young was granted 48,748 restricted stock units. Each unit represents the right to receive one share of Acadian Asset Management common stock, providing equity-based compensation that links her potential future value directly to the company’s share performance as the units vest.

When do Kelly Young’s 48,748 AAMI restricted stock units vest?

The 48,748 restricted stock units vest in three equal annual installments. One-third vests on February 13, 2027, another third on February 13, 2028, and the final third on February 13, 2029, creating a multi-year retention and incentive schedule.

What does each restricted stock unit represent in the AAMI Form 4 filing?

Each restricted stock unit represents the right to receive one share of Acadian Asset Management Inc. common stock. As the units vest on their scheduled dates, they can convert into shares, giving Kelly Young direct ownership exposure tied to the company’s equity.

Was Kelly Young’s AAMI restricted stock award a purchase or a grant?

The transaction was a grant, classified as a “Grant, award, or other acquisition” with code A. Kelly Young did not buy the shares in the market; instead, she was awarded 48,748 restricted stock units as part of her compensation package.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/18/2026 - 04:52 PM Learn about SEC filing dates

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^*

Young Kelly

(Last) (First) (Middle)

200 STATE STREET

SUITE 601A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
02/13/2026

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
Restricted Stock Units	$0(1)	02/13/2026		A		48,748		(2)	(2)	Common Stock	48,748	$0	48,748	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 13, 2026, the reporting person was granted 48,748 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 13, 2027, February 13, 2028 and February 13, 2029.

Remarks:

	/s/ Richard J. Hart, By POA for Kelly Young	02/18/2026
	** 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.