ACKMAN WILLIAM A

PrivateCIK: 1056513
Location

NEW YORK, NY

ACKMAN WILLIAM A (CEO & Chairman) purchased 114.3% of their position (800K shares) of PERSHING SQUARE INC. on the open market

Open‑market purchase worth $19.02M — a major conviction buy. The strongest form of insider conviction signal.

P · 3 purchases
InsiderACKMAN WILLIAM ACIK 1056513
IssuerPERSHING SQUARE INC.CIK 2026053
DirectorOfficer10% Owner· CEO & Chairman
Since Apr 2026
+87.39M
Net shares
Net buyer
$19.02M
Total acquired
3
Open market trades
3B · 0S
10
Total transactions
94.56M acquired · 7.17M disposed
Non-Derivative Transactions9

Common Stock

Indirect
G · Gift

Shares

300K

Price / share

Trade value

% of position

0.4%
4/28/2026
84M83.70M

Common Stock

Direct
J · J

Shares

+700K

Price / share

Trade value

% of position

New position
4/30/2026
0.00700K

Common Stock

Direct
P · Purchase

Shares

+81.76K

Price / share

$22.61

Trade value

$1.85M

% of position

11.7%
4/30/2026
700K781.76K

Common Stock

Direct
P · Purchase

Shares

+659.54K

Price / share

$23.88

Trade value

$15.75M

% of position

84.4%
4/30/2026
781.76K1.44M

Common Stock

Direct
P · Purchase

Shares

+58.70K

Price / share

$24.20

Trade value

$1.42M

% of position

4.1%
4/30/2026
1.44M1.50M

Common Stock

Indirect
J · J

Shares

+168.20K

Price / share

Trade value

% of position

New position
4/30/2026
0.00168.20K

Common Stock

Indirect
J · J

Shares

+4.24K

Price / share

Trade value

% of position

1.4%
4/30/2026
300K304.24K

Common Stock

Indirect
A · Award

Shares

+10.49K

Price / share

Trade value

% of position

3.4%
4/30/2026
304.24K314.73K

Common Stock

Indirect
D · Disposition

Shares

6.87M

Price / share

Trade value

% of position

8.2%
4/30/2026
83.70M76.83M
Total

Net shares

5.49M

Net value

$19.02M

Derivative Transactions1

M Units of Pershing Square Partner Group, LLC

Indirect
A · Award
Converts to

Common Stock

86.49M shares

Shares

+92.88M

Strike price

Held after

92.88M

Exercisable

4/28/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned16M
Total
16M indirect16M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
ACKMAN WILLIAM A — Insider Transaction (Form 4) Filed May 5, 2026 | Finecho