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William A Ackman

Chief Executive Officer

William A Ackman (Chief Executive Officer) filed 2 Form 4 reports in the trailing twelve months (2 purchases, 0 sales), most often in PS. Across 2 priced purchase filings, the average 21-session return was +25.3% from execution and -7.6% from disclosure (delay-adjusted; derived). The largest single filing was $240.9M of PSUS (4,897,171 sh across 5 lots, as filed), executed Apr 30.

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Return, ttmiAverage return per filing, trailing twelve months
+25.3%
avg across 2 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-7.6%
same 2 filings, from disclosure
Filings, ttm
2
2 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$259.9M
shares × price, as filed
Last traded
Apr 30
Filed May 4

Median ADV $23.8M across their filed names

Open performance
Volume by month
$259.9M$129.9M$0Oct 2024Apr 2025Oct 2025Apr 2026May 2026 · buys $259.9M
Buys $259.9M Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Financial Services 1 filing Not on file 1 filing

Sector per market data · by filing · past 12 months

Most traded names
PS PS PS · 1 buy · 0 sells 1 filing PSUS Pershing Square USA, Ltd. PSUS · 1 buy · 0 sells 1 filing
Recent filings
PSPURCHASE PERSHING SQUARE INC. View filing → $19.0M
800,000 sh across 3 lots
Exec Apr 30
Filed May 4 · 8:39 PM ET
PSUSPURCHASE Pershing Square USA, Ltd. View filing → $240.9M
4,897,171 sh across 5 lots
Exec Apr 30
Filed May 1 · 6:02 AM ET