Form 4 for PS PERSHING SQUARE INC.

Accepted 2026-08-19 17:13:38 ET · period of report 2026-08-17 · accession 0001140361-26-033760 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
I	2026-08-19 17:13	2026-08-17	PS	ACKMAN WILLIAM A	CEO, COB, Dir, 10%	G - Gift	$0.00	-10.00M	66.83M	-13%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-08-17	G	D	10,000,000	$0.00	66,825,763	I See 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. (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"). (F3) Reflects shares directly held by WAA Management LLC, of which the Reporting Person is the sole manager.