ACKMAN WILLIAM A 3

3 · PERSHING SQUARE INC. · Filed Apr 29, 2026

Form 3

Period: 2026-04-29

DirectorCEO & Chairman10% Owner

Holdings

Common Stock
[F1]
(indirect: See footnote)
83,700,000
Common Stock
[F2]
(indirect: See footnote)
16,000,000
Common Stock
[F3]
(indirect: See footnote)
300,000
M Units of Pershing Square Partner Group, LLC
[F4][F5][F1]
(indirect: See footnote)
→ Common Stock (92,430,722 underlying)

Footnotes (5)

[F1]Reflects shares directly held by WAA Management LLC, of which the Reporting Person is the sole manager.
[F2]Reflects shares directly held a grantor retained annuity trust, of which the Reporting Person is the trustee.
[F3]Reflects shares directly held by a trust whose beneficiaries include the Reporting Person's family members. 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 "Exchange Act"). The Reporting Person disclaims beneficial ownership of these shares, except to the extent of any pecuniary interest therein.
[F4]These M Units ("M Units") of Pershing Square Partner Group, LLC ("PSPG") were granted to the Reporting Person pursuant to an amendment of PSPG's governing document on a pro rata basis of the Reporting Person's prior interest in PSPG on April 28, 2026. These M Units are fully vested. The grant was approved by the board of directors of the Issuer in accordance with Rule 16b-3 under the Exchange Act.
[F5]Upon vesting, each M Unit may be redeemed by the holder, subject to certain conditions, for shares of Issuer common stock held by PSPG on a one-for-one basis, subject to certain adjustments pursuant to the terms approved by the board of directors of the Issuer. These redemption rights do not expire.

Documents

1 file