William A. Ackman

CIK 1056513 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Nov. 12, 2010 · Latest: Jan. 13, 2025

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Institution

View 13F portfolio

Insider at

Insider transactions

5 buys (P) 0 sells (S) Net: $240,858,550 + 8 non-open-market transactions below Avg return of open purchases vs now: -18.2% last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

8 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
April 30, 2026 PSUS P 34,971 $50.00 $1,748,550 56,171 Indirect +164.96% Acquired -21.2% (price as of 2026-08-19)
April 30, 2026 PSUS P 21,200 $50.00 $1,060,000 21,200 Indirect Acquired -21.2% (price as of 2026-08-19)
April 30, 2026 PSUS P 841,000 $50.00 $42,050,000 841,000 Indirect Acquired -21.2% (price as of 2026-08-19)
April 30, 2026 PSUS P 500,000 $42.00 $21,000,000 4,000,000 Direct +14.29% Acquired -6.2% (price as of 2026-08-19)
April 30, 2026 PSUS P 3,500,000 $50.00 $175,000,000 3,500,000 Direct Acquired -21.2% (price as of 2026-08-19)
Nov. 9, 2010 1056513 P 1,212,309 $47.62 $57,730,155 3,568,017 Indirect +51.46% Acquired

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
Nov. 9, 2010 1056513 Cash-Settled Total Return Swap Common stock, par value $0.01 per share (1,501,003) $38.50 Nov. 9, 2012 1 Acquired
Nov. 9, 2010 1056513 Cash-Settled Total Return Swap Common stock, par value $0.01 per share (1,501,002) $36.08 Jan. 31, 2013 1 Acquired
Nov. 9, 2010 1056513 Cash-Settled Total Return Swap Common stock, par value $0.01 per share (1,250,836) $35.26 Oct. 29, 2015 1 Acquired
Nov. 9, 2010 1056513 Cash-Settled Total Return Swap Common stock, par value $0.01 per share (1,146,998) $36.50 Aug. 29, 2012 1 Acquired
Nov. 9, 2010 1056513 Warrants Common stock, par value $0.01 per share (1,916,667) $50.00 Nov. 9, 2017 1,916,667 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).