PAULSON & CO. INC. - 17 Jun 2026 Form 4 Insider Report for Acadian Asset Management Inc. (AAMI)

Reporting relationship: 10%+ Owner
Issuer ticker: AAMI
Reported as of: 17 Jun 2026
Net transaction value: -$146,775,000
SEC form: 4
Accepted by SEC: 22 Jun 2026, 17:14:59 UTC
Prior SEC filing: 20 Apr 2026
Source filing: View source filing
Reporting owner signature: PAULSON & CO. INC. /s/ Stuart L. Merzer, General Counsel & Chief Compliance Officer

Key filing fact

PAULSON & CO. INC. filed Form 4 for Acadian Asset Management Inc. (AAMI) on 22 Jun 2026.

Key facts

This page summarizes PAULSON & CO. INC.'s Form 4 filing for Acadian Asset Management Inc. (AAMI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Jun 2026, 17:14.

Change

Previous filing in this sequence was filed on 20 Apr 2026.
Current net transaction value: -$146,775,000.

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 0001035674 Primary reporting owner

PAULSON & CO. INC.

Relationship: 10%+ Owner
Address: 15 EXCHANGE PLACE, JERSEY CITY
Signature: PAULSON & CO. INC. /s/ Stuart L. Merzer, General Counsel & Chief Compliance Officer
Signature date: 22 Jun 2026

Reported non-derivative transactions

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

AAMI transaction

Common Stock, par value $0.001

Sale

Transaction value: $146,775,000
Shares: -1,900,000
Change %: -25%
Price: $77.25
Shares after: 5,843,282
Date: 17 Jun 2026
Ownership: By Managed Funds
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

Paulson & Co. Inc. ("Paulson") is the investment manager of investment funds (the "Funds"). John Paulson is the controlling person of Paulson. All securities reported on this Form 4 are owned by the Funds.

Footnote F2

Each of Paulson and John Paulson may be deemed to indirectly beneficially own the securities directly owned by the Funds. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended (the "Act"), the filing of this Form 4 shall not be deemed an admission by any person reporting on this Form 4 that such person, for purposes of Section 16 of the Act or otherwise, is the beneficial owner of any equity securities covered by this Form 4.