ACKMAN WILLIAM A
SEC insider (Form 3/4/5 filer). CIK 0001056513. CEO & Chairman at PERSHING SQUARE INC. (PS) and 2 other issuers. 17 reported Form 4/5 transactions since Sep 2024; latest on Aug 17, 2026. Located in NEW YORK, NY.
Companies ACKMAN WILLIAM A has filed insider reports for
- PERSHING SQUARE INC. (PS): Director, Officer, 10% Owner, CEO & Chairman
- Pershing Square USA, Ltd. (PSUS): Officer, Chief Executive Officer
- Pershing Square SPARC Holdings, Ltd./DE (N/A): Director, Officer, 10% Owner, Chief Executive Officer
ACKMAN WILLIAM A
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.
GiftIndirect10M shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
PurchaseDirect81.8K shares at avg. $22.61$1.8M - Apr 30, 2026PS
PERSHING SQUARE INC.
PurchaseDirect659.5K shares at avg. $23.88$15.7M - Apr 30, 2026PS
PERSHING SQUARE INC.
PurchaseDirect58.7K shares at avg. $24.20$1.4M - Apr 30, 2026PS
PERSHING SQUARE INC.
OtherIndirect168.2K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
OtherIndirect4.2K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
AwardIndirect10.5K shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
DispositionIndirect6.9M shares- - Apr 30, 2026PS
PERSHING SQUARE INC.
OtherDirect700K shares- - Apr 30, 2026PSUS
Pershing Square USA, Ltd.
PurchaseIndirect21.2K shares at avg. $50.00$1.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 17, 2026 |  PS PERSHING SQUARE INC. | Gift | 10,000,000 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase | 81,762 | $22.61 | $1,848,557 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase | 659,540 | $23.88 | $15,746,518 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Purchase | 58,698 | $24.20 | $1,420,726 | Direct |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other | 168,200 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other | 4,240 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Award | 10,489 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Disposition | 6,874,237 | - | $0 | Indirect |
| Apr 30, 2026 | PS PERSHING SQUARE INC. | Other | 700,000 | - | $0 | Direct |
| Apr 30, 2026 |  PSUS Pershing Square USA, Ltd. | Purchase | 21,200 | $50.00 | $1,060,000 | Indirect |
1-10 of 17 transactions