William A. Ackman
CIK: 0001056513
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Aug 17, 2026PS
PERSHING SQUARE INC.
Gift(G)Indirect10M shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
Purchase(P)Direct81.8K shares at avg. $22.61$1.8M - Apr 30, 2026PS
PERSHING SQUARE INC.
Purchase(P)Direct659.5K shares at avg. $23.88$15.7M - Apr 30, 2026PS
PERSHING SQUARE INC.
Purchase(P)Direct58.7K shares at avg. $24.20$1.4M - Apr 30, 2026PS
PERSHING SQUARE INC.
Other(J)Indirect168.2K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
Other(J)Indirect4.2K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
Award(A)Indirect10.5K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
Disposition(D)Indirect6.9M shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
Other(J)Direct700K shares- - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
Purchase(P)Indirect21.2K shares at avg. $50.00$1.1M - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
Purchase(P)Direct3.5M shares at avg. $50.00$175.0M - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
Purchase(P)Direct500K shares at avg. $42.00$21.0M - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
Purchase(P)Indirect841K shares at avg. $50.00$42.0M - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
Purchase(P)Indirect35K shares at avg. $50.00$1.7M - Apr 28, 2026PS
PERSHING SQUARE INC.
Award(A)IndirectM Units of Pershing Square Partner Group, LLC
92.9M shares- - Apr 28, 2026PS
PERSHING SQUARE INC.
Gift(G)Indirect300K shares- - Apr 21, 2026No ticker
Pershing Square SPARC Holdings, Ltd./DE
Other(J)Indirect0 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 17, 2026 |  PS PERSHING SQUARE INC. | Gift(G) | 10,000,000 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase(P) | 81,762 | $22.61 | $1,848,557 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase(P) | 659,540 | $23.88 | $15,746,518 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase(P) | 58,698 | $24.20 | $1,420,726 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other(J) | 168,200 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other(J) | 4,240 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Award(A) | 10,489 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Disposition(D) | 6,874,237 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other(J) | 700,000 | - | $0 | Direct |
| Apr 30, 2026 |  PSUS Pershing Square USA, Ltd. | Purchase(P) | 21,200 | $50.00 | $1,060,000 | Indirect |
| Apr 30, 2026 | PSUS Pershing Square USA, Ltd. | Purchase(P) | 3,500,000 | $50.00 | $175,000,000 | Direct |
| Apr 30, 2026 | PSUS Pershing Square USA, Ltd. | Purchase(P) | 500,000 | $42.00 | $21,000,000 | Direct |
| Apr 30, 2026 | PSUS Pershing Square USA, Ltd. | Purchase(P) | 841,000 | $50.00 | $42,050,000 | Indirect |
| Apr 30, 2026 | PSUS Pershing Square USA, Ltd. | Purchase(P) | 34,971 | $50.00 | $1,748,550 | Indirect |
| Apr 28, 2026 | PS PERSHING SQUARE INC. | Award(A) M Units of Pershing Square Partner Group, LLC | 92,878,204 | - | - | Indirect |
| Apr 28, 2026 | PS PERSHING SQUARE INC. | Gift(G) | 300,000 | - | $0 | Indirect |
| Apr 21, 2026 |  No ticker Pershing Square SPARC Holdings, Ltd./DE | Other(J) | 0 | - | $0 | Indirect |
1-17 of 17 transactions
About ACKMAN WILLIAM A
ACKMAN WILLIAM A (SEC CIK 0001056513) files insider reports with the SEC as CEO & Chairman of PERSHING SQUARE INC. (PS), Chief Executive Officer of Pershing Square USA, Ltd. (PSUS) and Chief Executive Officer of Pershing Square SPARC Holdings, Ltd./DE.
Signal8 holds 6 ownership filings by ACKMAN WILLIAM A (2 Form 3, 4 Form 4), filed between Apr 23, 2026 and Aug 19, 2026. Those filings report 17 transactions, from Apr 21, 2026 to Aug 17, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on ACKMAN WILLIAM A's filings is in NEW YORK, NY.
Recent filings by ACKMAN WILLIAM A
- Aug 17, 2026: Gift of PS shares (Form 4, code G).
- Apr 30, 2026: Open-market purchases of PS shares (3 lines, Form 4, code P).
- Apr 30, 2026: Other transactions of PS shares (2 lines, Form 4, code J).
- Apr 30, 2026: Grant or award of PS shares (Form 4, code A).
- Apr 30, 2026: Disposition to issuer transaction of PS shares (Form 4, code D).
Other insiders filing for PERSHING SQUARE INC. (PS)
- Pershing Square Partner Group LLC, Director
- Gonnella Michael, Chief Financial Officer
- Coussin Halit, CLO; CCO
- Hakim Ben, President
- ISRAEL RYAN, Chief Investment Officer
- Lamotte Nicholas M, Director