Key facts
- This page summarizes William A. Ackman's Form 4 filing for PERSHING SQUARE INC. (PS).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 19 Aug 2026, 17:13.
William A. Ackman - 17 Aug 2026 Form 4 Insider Report for PERSHING SQUARE INC. (PS)
- Reporting relationship
- CEO & Chairman, Director, 10%+ Owner
- Issuer ticker
- PS
- Reported as of
- 17 Aug 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 19 Aug 2026, 17:13:38 UTC
- Prior SEC filing
- 01 May 2026
- Source filing
- View source filing
- Reporting owner signature
- By: /s/ William A. Ackman
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William A. Ackman filed Form 4 for PERSHING SQUARE INC. (PS) on 19 Aug 2026.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (2)
CIK 0001056513
Primary reporting owner
ACKMAN WILLIAM A
- Relationship
- CEO & Chairman, Director, 10%+ Owner
- Address
- C/O PERSHING SQUARE INC.,, 787 ELEVENTH AVENUE, 9TH FLOOR, NEW YORK
- Signature
- By: /s/ William A. Ackman
- Signature date
- 19 Aug 2026
CIK 0002129701
WAA Management LLC
- Relationship
- 10%+ Owner
- Address
- 787 11TH AVENUE, 9TH FLOOR, NEW YORK
- Signature
- By: WAA Management LLC, By: /s/ William A. Ackman, Manager
- Signature date
- 19 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PS
transaction
Common Stock
Gift
- Transaction value
- Shares
- -10,000,000
- Change %
- -13%
- Price
- $0.000000*
- Shares after
- 66,825,763
- Date
- 17 Aug 2026
- Ownership
- See footnote
- Footnotes
- F1, F2, F3
PS
transaction
Common Stock
Gift
- Transaction value
- Shares
- -10,000,000
- Change %
- -13%
- Price
- $0.000000*
- Shares after
- 66,825,763
- Date
- 17 Aug 2026
- Ownership
- See footnote
- Footnotes
- F1, F2, F3
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,500,000
- Date
- 17 Aug 2026
- Ownership
- Direct
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 1,500,000
- Date
- 17 Aug 2026
- Ownership
- Direct
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 16,000,000
- Date
- 17 Aug 2026
- Ownership
- See footnote
- Footnotes
- F4
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 16,000,000
- Date
- 17 Aug 2026
- Ownership
- See footnote
- Footnotes
- F4
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 168,200
- Date
- 17 Aug 2026
- Ownership
- See footnotes
- Footnotes
- F5, F7
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 168,200
- Date
- 17 Aug 2026
- Ownership
- See footnotes
- Footnotes
- F5, F7
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 314,729
- Date
- 17 Aug 2026
- Ownership
- See footnotes
- Footnotes
- F6, F7
PS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 314,729
- Date
- 17 Aug 2026
- Ownership
- See footnotes
- Footnotes
- 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
Reflects a bona fide gift by the Reporting Person for no consideration to The Ackman Oxman Institute ("AOI"), a charitable foundation of which the Reporting Person and his spouse serve as directors and whose shares over which the Reporting Person and his spouse share voting and investment power, which will continue to be reported on the Reporting Person's Section 13 filings. The gift is intended to support the long-term operations and charitable activities of AOI.
Footnote F2
As required by the lock-up agreement between the Reporting Person and the representatives of the underwriters in connection with the initial public offering of Issuer common stock, AOI agreed in writing to be bound by the same restrictions set forth therein. The transfer restrictions under the Issuer's Articles of Incorporation were released with respect to, and no longer apply to, these gifted shares. The Reporting Person does not have any pecuniary interest in, and disclaims beneficial ownership of, shares of Issuer common stock held by AOI for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act").
Footnote F3
Reflects shares directly held by WAA Management LLC, of which the Reporting Person is the sole manager.
Footnote F4
Reflects shares directly held by a grantor retained annuity trust, of which the Reporting Person is the trustee.
Footnote F5
Reflects shares directly held by a limited liability company that is wholly owned by the Reporting Person's spouse.
Footnote F6
Reflects shares directly held by trusts for the benefit of, or whose beneficiaries include, 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 Exchange Act. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein.