William A. Ackman - 30 Apr 2026 Form 4 Insider Report for Pershing Square USA, Ltd. (PSUS)

Reporting relationship: Chief Executive Officer
Issuer ticker: PSUS
Reported as of: 30 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 May 2026, 06:02:40 UTC
Prior SEC filing: 29 Apr 2026
Source filing: View source filing
Reporting owner signature: By: /s/ William A. Ackman

Key filing fact

William A. Ackman filed Form 4 for Pershing Square USA, Ltd. (PSUS) on 01 May 2026.

Key facts

This page summarizes William A. Ackman's Form 4 filing for Pershing Square USA, Ltd. (PSUS).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 01 May 2026, 06:02.

Change

Previous filing in this sequence was filed on 29 Apr 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 0001056513 Primary reporting owner

ACKMAN WILLIAM A

Relationship: Chief Executive Officer
Address: C/O PERSHING SQUARE CAPITAL MGMT., L.P.,, 787 ELEVENTH AVENUE, 9TH FLOOR, NEW YORK
Signature: By: /s/ William A. Ackman
Signature date: 30 Apr 2026

Reported non-derivative transactions

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

PSUS transaction

Common Shares of Beneficial Interest

Purchase

Transaction value
Shares: +3,500,000
Change %
Price: $50.00^*
Shares after: 3,500,000
Date: 30 Apr 2026
Ownership: Direct
Footnotes: F1, F2

PSUS transaction

Common Shares of Beneficial Interest

Purchase

Transaction value
Shares: +500,000
Change %: +14%
Price: $42.00^*
Shares after: 4,000,000
Date: 30 Apr 2026
Ownership: Direct
Footnotes: F3

PSUS transaction

Common Shares of Beneficial Interest

Purchase

Transaction value
Shares: +841,000
Change %
Price: $50.00^*
Shares after: 841,000
Date: 30 Apr 2026
Ownership: See footnotes
Footnotes: F1, F2, F5, F7

PSUS transaction

Common Shares of Beneficial Interest

Purchase

Transaction value
Shares: +21,200
Change %
Price: $50.00^*
Shares after: 21,200
Date: 30 Apr 2026
Ownership: See footnotes
Footnotes: F1, F2, F6, F7

PSUS transaction

Common Shares of Beneficial Interest

Purchase

Transaction value
Shares: +34,971
Change %: +165%
Price: $50.00^*
Shares after: 56,171
Date: 30 Apr 2026
Ownership: See footnotes
Footnotes: F1, F4, F6, F7

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 7 footnotes

Footnote F1

On April 30, 2026, Pershing Square Inc. ("PS") and the Issuer completed a combined transaction, consisting of (i) an initial public offering and a concurrent private placement of PS common stock and (ii) an initial public offering (the "PSUS IPO") and a concurrent private placement (the "PSUS Private Placement") of the Issuer's Common Shares of Beneficial Interest ("Common Shares").

Footnote F2

Reflects the acquisition of Issuer Common Shares on April 30, 2026 in the PSUS IPO.

Footnote F3

Reflects the acquisition of Issuer Common Shares on April 30, 2026 through open market purchase.

Footnote F4

Reflects the acquisition of Issuer Common Shares on April 30, 2026 in the PSUS Private Placement.

Footnote F5

Reflects Issuer Common Shares held by a limited liability company that is wholly owned by the Reporting Person's spouse.

Footnote F6

Reflects Issuer Common Shares held by trusts for the benefit of the Reporting Person's family members.

Footnote F7

The Reporting Person may be deemed to be the beneficial owner of these shares for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein.