William A Ackman bought $19M of PS
CEO & Chairman at PERSHING SQUARE INC.. 800,000 shares at an average of $23.77, traded Apr 30, 2026, filed May 4, 2026.
Score components
- +25RoleCEO
- +25Trade size$19.0M at market
- +10Relative to holdingsHoldings up 114%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +3.7%, 3m +2.8%, 6m -.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001140361-26-018949, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Apr 30, 2026 | JOther Common Stock | +700,000 | - | - | 700,000 | May 4, 2026 |
| Apr 30, 2026 | POpen-market purchase Common Stock | +81,762 | $22.61 | $1.8M | 781,762 | May 4, 2026 |
| Apr 30, 2026 | POpen-market purchase Common Stock | +659,540 | $23.88 | $16M | 1,441,302 | May 4, 2026 |
| Apr 30, 2026 | POpen-market purchase Common Stock | +58,698 | $24.20 | $1.4M | 1,500,000 | May 4, 2026 |
| Apr 30, 2026 | JOther Common Stockindirect: See footnotes | +168,200 | - | - | 168,200 | May 4, 2026 |
| Apr 30, 2026 | JOther Common Stockindirect: See footnotes | +4,240 | - | - | 304,240 | May 4, 2026 |
| Apr 30, 2026 | AGrant or award Common Stockindirect: See footnotes | +10,489 | - | - | 314,729 | May 4, 2026 |
| Apr 28, 2026 | GGift Common Stockindirect: See footnote | -300,000 | $0.00 | $0 | 83,700,000 | May 4, 2026 |
| Apr 30, 2026 | DDisposition to issuer Common Stockindirect: See footnote | -6,874,237 | $0.00 | $0 | 76,825,763 | May 4, 2026 |
| Apr 28, 2026 | AGrant or award M Units of Pershing Square Partner Group, LLCderivativeindirect: See footnote | +92,878,204 | - | - | 92,878,204 | May 4, 2026 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.