Ackman William A's Form 4 filing
Pershing Square Inc.PS · filed May 4, 2026
- Accession no.
- 0001140361-26-018949
- Filed
- May 4, 2026, 8:39 PM ET
- Trade date
- Apr 28-30, 2026
- Filing delay
- 6 daysLate
- Rule 10b5-1 plan
- Not checked
This filing lists 9 non-derivative transactions and 1 derivative transaction. Open-market purchases total $19.0M. It was filed 6 days after the trade, past the 2-business-day deadline.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Ackman William ACIK 0001056513 | Director, Officer (CEO & Chairman), 10% Owner |
| WAA Management LLCCIK 0002129701 | 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Apr 30, 2026 | Common Stock | JOtherAcquired | +700,000 | –F2 | – | 700,000 | Direct | |
| Apr 30, 2026 | Common Stock | PPurchaseAcquired | +81,762 | $22.61 | +$1,848,557.06 | 781,762 | Direct | |
| Apr 30, 2026 | Common Stock | PPurchaseAcquired | +659,540 | $23.88 | +$15,746,517.5 | 1,441,302 | Direct | |
| Apr 30, 2026 | Common Stock | PPurchaseAcquired | +58,698 | $24.20 | +$1,420,726.39 | 1,500,000 | Direct | |
| Apr 30, 2026 | Common Stock | JOtherAcquired | +168,200 | –F2 | – | 168,200 | Indirect | |
| Apr 30, 2026 | Common Stock | JOtherAcquired | +4,240 | –F2 | – | 304,240 | Indirect | |
| Apr 30, 2026 | Common Stock | AGrant or awardAcquired | +10,489 | –F10 | – | 314,729 | Indirect | |
| Apr 28, 2026 | Common Stock | GGiftDisposed | −300,000 | $0.00 | $0 | 83,700,000 | Indirect | |
| Apr 30, 2026 | Common Stock | DReturned to the companyDisposed | −6,874,237 | $0.00 | $0 | 76,825,763 | Indirect |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
Reflects the acquisition of Issuer common stock in connection with the combined IPO. In connection with the PS IPO, each initial investor acquired 1 share of Issuer common stock for no additional consideration for every 5 PSUS Common Shares that the investor purchased in the PSUS IPO.
Referenced by the price of 3 transactions in Table I.
- F10
Reflects the acquisition of Issuer common stock in connection with the combined private placement. In connection with the PS Private Placement, each initial investor acquired 1.5 shares of Issuer common stock for no additional consideration for every 5 PSUS Common Shares that the investor purchased in the PSUS Private Placement.
Referenced by the price of 1 transaction in Table I.
- F15
These M Units ("M Units") of 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.
Referenced by the price of 1 transaction in Table II.
- F16
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.
Referenced by the price of 1 transaction in Table II.
- F17
Reflects the pro rata adjustment, pursuant to PSPG's governing document in connection with its Purchase Price Adjustment Contribution, of the number of shares of Issuer common stock for which each M Unit may be redeemed.
Referenced by the price of 1 transaction in Table II.