ACKMAN WILLIAM A
CEO & Chairman
ACKMAN WILLIAM A has filed 3 SEC Form 4 filings (15 transaction rows) across 2 companies, including PS, PSUS, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Aug 19, 2026.
On the most recent filing, ACKMAN WILLIAM A is listed as CEO & Chairman at PERSHING SQUARE INC. Inside the rolling window, ACKMAN WILLIAM A reported 2 open-market purchases totaling $259.9M in PS and PSUS and no open-market sales. The largest disclosed transaction in the window is a purchase of 4,897,171 PSUS shares on Apr 30, 2026, worth $240.9M.
Companies traded
Other insiders at PS
Insider Buying
$259.9M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has ACKMAN WILLIAM A made?
ACKMAN WILLIAM A has filed 3 SEC Form 4 filings (15 transaction rows) across 2 companies, including PS, PSUS since 2026.
Which companies does ACKMAN WILLIAM A trade?
ACKMAN WILLIAM A has filed SEC Form 4 disclosures for 2 companies, including PS, PSUS.
When was ACKMAN WILLIAM A's most recent SEC Form 4 filing?
ACKMAN WILLIAM A's most recent SEC Form 4 filing on Tracefour is dated Aug 19, 2026.
What is ACKMAN WILLIAM A's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, ACKMAN WILLIAM A is listed as CEO & Chairman.
What is ACKMAN WILLIAM A's total buy and sell value in the current window?
Inside the rolling retention window, ACKMAN WILLIAM A bought $259.9M and sold $0 based on SEC Form 4 filings.
What was ACKMAN WILLIAM A's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 4,897,171 PSUS shares on 2026-04-30, worth $240.9M, per SEC Form 4 filings.