ACKMAN WILLIAM A 4

4 · Pershing Square USA, Ltd. · Filed May 1, 2026

AI-generated summary of this filing

Updated May 2, 2026

Pershing Square USA (PSUS) CEO William A. Ackman Buys 4.90M Shares

What Happened

William A. Ackman (CEO) acquired a total of 4,897,171 shares of Pershing Square USA, Ltd. (PSUS) on April 30, 2026, paying a combined approximate total of $240,858,550.
Transactions reported:
- 3,500,000 shares at $50.00 each = $175,000,000
- 500,000 shares at $42.00 each = $21,000,000
- 841,000 shares at $50.00 each = $42,050,000
- 21,200 shares at $50.00 each = $1,060,000
- 34,971 shares at $50.00 each = $1,748,550
These were purchases (insider acquisitions), which investors often view as a more informative (bullish) signal than routine sales; no motive is stated in the filing.

Key Details

Transaction date: April 30, 2026; Form 4 filed May 1, 2026 (appears timely — within standard two business days).
Prices: $50.00 and $42.00 per share (see breakdown above).
Shares owned after transaction: Not specified in the provided filing details.
Notable footnotes from the filing:
- F1: The transactions were part of a combined set of offerings involving Pershing Square Inc. and PSUS.
- F2: Some shares were acquired in the PSUS IPO.
- F3: Some shares were acquired via open-market purchase.
- F4: Some shares were acquired in the PSUS private placement.
- F5–F6: Certain PSUS shares are held by an LLC wholly owned by the reporting person’s spouse and by family-member trusts.
- F7: The reporting person may be deemed the beneficial owner of some shares for reporting purposes but disclaims beneficial ownership except to the extent of any pecuniary interest.

Context

These are direct purchases (P code). The filing does not report option exercises, gifts, or withholding events.
The mix of IPO, private placement and open-market purchases is noted in the footnotes; the filing does not explain motivation.
Where family vehicles are involved (F5–F6) the reporting person may be treated as a deemed owner for reporting rules but may disclaim actual beneficial ownership (F7).

Form 4

Period: 2026-04-30

Chief Executive Officer

Transactions

Purchase
Common Shares of Beneficial Interest
[F1][F2]
2026-04-30$50.00/sh+3,500,000$175,000,000→ 3,500,000 total
Purchase
Common Shares of Beneficial Interest
[F3]
2026-04-30$42.00/sh+500,000$21,000,000→ 4,000,000 total
Purchase
Common Shares of Beneficial Interest
[F1][F2][F5][F7]
2026-04-30$50.00/sh+841,000$42,050,000→ 841,000 total(indirect: See footnotes)
Purchase
Common Shares of Beneficial Interest
[F1][F2][F6][F7]
2026-04-30$50.00/sh+21,200$1,060,000→ 21,200 total(indirect: See footnotes)
Purchase
Common Shares of Beneficial Interest
[F1][F4][F6][F7]
2026-04-30$50.00/sh+34,971$1,748,550→ 56,171 total(indirect: See footnotes)

Footnotes (7)

[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").
[F2]Reflects the acquisition of Issuer Common Shares on April 30, 2026 in the PSUS IPO.
[F3]Reflects the acquisition of Issuer Common Shares on April 30, 2026 through open market purchase.
[F4]Reflects the acquisition of Issuer Common Shares on April 30, 2026 in the PSUS Private Placement.
[F5]Reflects Issuer Common Shares held by a limited liability company that is wholly owned by the Reporting Person's spouse.
[F6]Reflects Issuer Common Shares held by trusts for the benefit of the Reporting Person's family members.
[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.

Signature

By: /s/ William A. Ackman|2026-04-30

1 file