Acadian Asset Management (NYSE: AAMI) holders back 2026 equity plan, board

Rhea-AI Filing Summary

Acadian Asset Management Inc. reported results from its 2026 Annual Meeting of Stockholders, where stockholders approved the Company’s 2026 Equity Incentive Plan. The plan authorizes up to 4,562,064 shares of common stock for future equity awards to employees and directors.

As of April 20, 2026, there were 35,628,988 common shares outstanding, with 32,712,971 shares represented at the meeting, establishing a quorum. Stockholders elected all director nominees, ratified KPMG LLP as independent auditor for 2026, approved executive compensation on an advisory basis, and approved the 2026 Equity Incentive Plan.

8-K Event Classification

3 items: 5.02, 5.07, 9.01

3 items

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance

Key personnel changes including departures, elections, or appointments of directors and executive officers.

Item 5.07 Submission of Matters to a Vote of Security Holders Governance

Results of a shareholder vote on proposals at an annual or special meeting.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Key Figures

2026 Equity Plan share pool: 4,562,064 shares Shares outstanding: 35,628,988 shares Shares represented at meeting: 32,712,971 shares +3 more

6 metrics

2026 Equity Plan share pool 4,562,064 shares Maximum common shares issuable under 2026 Equity Incentive Plan

Shares outstanding 35,628,988 shares Common stock issued and outstanding as of April 20, 2026

Shares represented at meeting 32,712,971 shares Shares present or by proxy at 2026 Annual Meeting

Auditor ratification votes for 32,652,720 votes Votes for ratifying KPMG LLP for year ending December 31, 2026

Say-on-pay votes for 30,451,294 votes Advisory approval of named executive officer compensation

Equity plan approval votes for 30,544,632 votes Votes for approving the 2026 Equity Incentive Plan

Key Terms

2026 Equity Incentive Plan, broker non-votes, independent registered public accounting firm, advisory vote on executive compensation, +1 more

5 terms

2026 Equity Incentive Plan financial

"Stockholders voted to approve the Company’s 2026 Equity Incentive Plan (the “2026 Plan”)."

broker non-votes financial

"The table below sets forth the voting results for each director, including broker non-votes."

Broker non-votes occur when a brokerage firm is unable to vote on a shareholder’s behalf during a company election or decision because the shareholder has not given specific voting instructions, and the broker is not allowed or chooses not to vote on certain matters. They are important because they can affect the outcome of votes, especially when the results are close, by effectively reducing the total number of votes cast.

independent registered public accounting firm financial

"The stockholders voted to ratify the appointment of KPMG LLP as the Company’s independent registered public accounting firm."

An independent registered public accounting firm is an outside accounting company officially registered with the government regulator to examine and report on a public company's financial records and controls. Investors treat its reports like an impartial inspector’s certificate — they add credibility to financial statements, help spot errors or misleading claims, and reduce the risk that shareholders are relying on unchecked or biased numbers.

advisory vote on executive compensation financial

"The stockholders voted to approve, on an advisory basis, the compensation of the Company’s named executive officers."

A non-binding shareholder vote allowing investors to approve or reject the pay packages and compensation policies for a company’s top executives. It matters because the outcome tells the board whether owners are satisfied with executive pay and can prompt changes in policy or leadership much like a customer survey prompts a company to adjust its product — signaled approval can support management credibility, while rejection may increase scrutiny and affect investor confidence.

quorum financial

"A quorum was present for the transaction of business at the Annual Meeting."

A quorum is the minimum number of members needed to officially hold a meeting or make decisions. It ensures that decisions are made with enough participation to represent the group’s interests, much like a majority must be present for a vote to be valid. For investors, understanding quorum is important because it affects when and how important company or organization decisions can be legally made.

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Understanding 8-K Material Events →

0001748824FALSE00017488242026-06-112026-06-11

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 11, 2026

Acadian Asset Management Inc.

(Exact name of registrant as specified in its charter)

Delaware			001-38979			47-1121020
(State or other jurisdiction of incorporation)			(Commission File Number)			(IRS Employer Identification Number)

200 State Street, Suite 601A

Boston, Massachusetts 02109

(617) 369-7300

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Securities registered or to be registered pursuant to Section 12(b) of the Act.

Title of each class			Trading Symbol(s)			Name of each exchange on which registered
Common stock, par value $0.001 per share			AAMI			New York Stock Exchange

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐               Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐               Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐                Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐                Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 5.02    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 11, 2026, the Company held its 2026 Annual Meeting of Stockholders (the “Annual Meeting”) in a virtual meeting format. At the Annual Meeting, the Company’s stockholders voted to approve the Company’s 2026 Equity Incentive Plan (the “2026 Plan”). All future equity awards will be made from the 2026 Plan, and the Company will not grant additional awards under the Acadian Asset Management Inc. Equity Incentive Plan or the Acadian Asset Management Inc. Non-Employee Directors’ Equity Incentive Plan. An aggregate of 4,562,064 shares of common stock, par value $0.001 per share, may be issued pursuant to awards granted under the 2026 Plan. The foregoing summary of the 2026 Plan is qualified in its entirety by reference to the full text of the 2026 Plan, which is attached as Exhibit 10.1 hereto and is incorporated herein by reference.

ITEM 5.07    Submission of Matters to a Vote of Security Holders.

As described above under Item 5.02 of this Current Report on Form 8-K, on June 11, 2026, the Company held the Annual Meeting. As of April 20, 2026, the record date for the Annual Meeting, the Company had 35,628,988 shares of common stock issued and outstanding and entitled to vote at the Annual Meeting. Of these shares, 32,712,971 were present or represented by proxy at the Annual Meeting. A quorum was present for the transaction of business at the Annual Meeting. At the Annual Meeting, the Company’s stockholders considered and acted upon the following proposals:

1. Election of Directors. The stockholders elected the following individuals to serve as directors until the 2027 Annual Meeting of Stockholders and until their respective successors are duly elected and qualified. The table below sets forth the voting results for each director:

Nominee						Votes For						Votes Against						Abstentions						Broker Non-Votes
Robert J. Chersi						30,906,654						302,387						10,281						1,493,649
Andrew Kim						26,527,358						4,681,683						10,281						1,493,649
John Paulson						28,282,033						2,927,874						9,415						1,493,649
Barbara Trebbi						30,992,015						217,451						9,856						1,493,649
Kelly Young						30,371,554						837,867						9,901						1,493,649

2. Ratification of Independent Registered Public Accounting Firm. The stockholders voted to ratify the appointment of KPMG LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2026. The table below sets forth the voting results:

Votes For						Votes Against						Abstentions						Broker Non-Votes
32,652,720						50,882						9,369						—

3. Advisory Vote on Executive Compensation. The stockholders voted to approve, on an advisory basis, the compensation of the Company’s named executive officers as described in the Company’s 2026 proxy statement (the “Proxy Statement”), including the Compensation Discussion and Analysis and the tabular and narrative disclosure contained in the Proxy Statement. The table below sets forth the voting results:

Votes For						Votes Against						Abstentions						Broker Non-Votes
30,451,294						752,021						16,007						1,493,649

4. Vote on the Company's 2026 Equity Incentive Plan. The stockholders voted to approve the 2026 Plan. The table below sets forth the voting results:

Votes For						Votes Against						Abstentions						Broker Non-Votes
30,544,632						672,038						2,652						1,493,649

ITEM 9.01                                       Financial Statements and Exhibits.

(d)    Exhibits

Exhibit No.			Description
10.1			2026 Equity Incentive Plan
104			Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this form to be signed on its behalf by the undersigned, thereto duly authorized.

Date:

June 11, 2026

ACADIAN ASSET MANAGEMENT INC.

By:

/s/ Richard J. Hart

Name:

Richard J. Hart

Title:

Chief Legal and Administrative Officer and Secretary

FAQ

What did Acadian Asset Management (AAMI) stockholders approve at the 2026 Annual Meeting?

Stockholders approved all key proposals, including director elections, auditor ratification, an advisory say-on-pay vote, and the 2026 Equity Incentive Plan authorizing 4,562,064 shares for future equity awards to employees and directors.

How many shares are reserved under Acadian Asset Management’s 2026 Equity Incentive Plan (AAMI)?

The 2026 Equity Incentive Plan authorizes up to 4,562,064 shares of common stock. All future equity awards will come from this plan, replacing prior employee and non-employee director equity incentive plans for Acadian Asset Management Inc.

How many Acadian Asset Management (AAMI) shares were eligible and represented at the 2026 Annual Meeting?

As of the April 20, 2026 record date, 35,628,988 common shares were issued, outstanding, and entitled to vote. At the meeting, 32,712,971 shares were present or represented by proxy, establishing a valid quorum for conducting business.

Did Acadian Asset Management (AAMI) stockholders approve the company’s executive compensation in 2026?

Yes. Stockholders approved, on an advisory basis, the compensation of Acadian’s named executive officers. The vote was 30,451,294 shares for, 752,021 against, and 16,007 abstentions, with 1,493,649 broker non-votes reported for this say-on-pay proposal.

Which auditor did Acadian Asset Management (AAMI) stockholders ratify for 2026?

Stockholders ratified KPMG LLP as Acadian Asset Management Inc.’s independent registered public accounting firm for the year ending December 31, 2026. The vote was 32,652,720 shares for, 50,882 against, and 9,369 abstentions, with no broker non-votes reported.

Were Acadian Asset Management (AAMI) director nominees elected at the 2026 Annual Meeting?

All listed director nominees, including Robert J. Chersi, Andrew Kim, John Paulson, Barbara Trebbi, and Kelly Young, were elected. Each will serve until the 2027 Annual Meeting and until a successor is duly elected and qualified, based on majority stockholder support.

Filing Exhibits & Attachments

5 documents

Agreements & Contracts

• EX-10.1 EX-10.1 150.7 KB

Other Documents

• EX-101 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT 2.1 KB
• EX-101 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT 14.6 KB
• EX-101 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT 25.7 KB
• EX-101 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT 15.1 KB