John Paulson - 14 May 2026 Form 4 Insider Report for Acadian Asset Management Inc. (AAMI)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: AAMI
Reported as of: 14 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 May 2026, 16:09:50 UTC
Prior SEC filing: 01 May 2026
Next SEC filing: 26 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard J. Hart, By POA for John Paulson

Key filing fact

John Paulson filed Form 4 for Acadian Asset Management Inc. (AAMI) on 18 May 2026.

Key facts

This page summarizes John Paulson's Form 4 filing for Acadian Asset Management Inc. (AAMI).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 18 May 2026, 16:09.

Change

Previous filing in this sequence was filed on 01 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001394923 Primary reporting owner

Paulson John

Relationship: Director, 10%+ Owner
Address: C/O ACADIAN ASSET MANAGEMENT INC., SUITE 601A, BOSTON
Signature: /s/ Richard J. Hart, By POA for John Paulson
Signature date: 18 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AAMI transaction

Common Stock

Options Exercise

Transaction value
Shares: +5,750
Change %: +24%
Price: $0.000000^*
Shares after: 29,510
Date: 14 May 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AAMI transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -5,750
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 14 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,750
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

On May 14, 2025, the reporting person was granted 5,750 restricted stock units vesting upon the earlier of May 14, 2026 and the date of the 2026 annual meeting of stockholders of Acadian Asset Management Inc.