Ackman William A
- SEC CIK
- 0001056513
In the past year, 2 open-market purchase filings worth $259.9M and no sales.
Current role at each company
- PS Pershing Square Inc.CEO & Chairmanas of Aug 19, 2026
- HHH Howard Hughes Holdings Inc.Director, 10% Owneras of Jun 8, 2026
- PSUS Pershing Square USA, Ltd.Chief Executive Officeras of May 1, 2026
- Pershing Square SPARC Holdings, Ltd.Chief Executive Officeras of Apr 23, 2026
- SEG Seaport Entertainment Group Inc.Director, 10% Owneras of Apr 23, 2026
Show 2 more companies
- HHC Howard Hughes CorpDirector, 10% Owneras of Aug 18, 2023
- CMG Chipotle Mexican Grill IncOther: See Remarksas of May 18, 2022
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- $259.9M
- 2 filings
- Sold
- –
- 0 filings
- Net
- +$259.9M
- Bought minus sold
- Companies
- 2
- With open-market trades
Trades
Every Form 4 that lists Ackman William A as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
PS Pershing Square Inc.
CEO & Chairman1 trade
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 4, 2026 (view filing)8:39 PM ET | Apr 30 | 4 days | Ackman William A and 1 otherCEO & Chairman | PPurchase | +800.0K | $23.77 | +$19.0M | +114.3%1.50M after | 3 lots |
PSUS Pershing Square USA, Ltd.
Chief Executive Officer2 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 1, 2026 (view filing) | Apr 30 | 1 day | Ackman William AChief Executive Officer | PPurchaseCommon Shares of Beneficial Interest | +4.00M | $49.00 | +$196.0M | New position4.00M after | 2 lots |
| May 1, 2026 (view filing) | Apr 30 | 1 day | Ackman William AChief Executive Officer | PPurchaseCommon Shares of Beneficial Interest | +897.2K | $50.00 | +$44.9M | New position56.2K after | 3 lots |
HHH Howard Hughes Holdings Inc.
Director, 10% Owner21 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Dec 11, 2023 (view filing)4:01 PM ET | Dec 7-11 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +10.0K | $74.86 | +$750.5K | +0.1%18.9M after | 3 lots10b5-1 |
| Dec 6, 2023 (view filing)4:32 PM ET | Dec 4-6 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +6.74K | $74.89 | +$504.5K | 0.0%18.8M after | 2 lots10b5-1 |
| Dec 1, 2023 (view filing)4:23 PM ET | Nov 29-Dec 1 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +145.1K | $74.07 | +$10.7M | +0.8%18.8M after | 3 lots10b5-1 |
| Nov 28, 2023 (view filing)5:18 PM ET | Nov 24-28 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +164.3K | $73.34 | +$12.0M | +0.9%18.7M after | 3 lots10b5-1 |
| Nov 22, 2023 (view filing)4:34 PM ET | Nov 20-22 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +173.7K | $73.29 | +$12.7M | +0.9%18.5M after | 3 lots10b5-1 |
| Nov 17, 2023 (view filing)4:27 PM ET | Nov 15-17 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +201.6K | $74.34 | +$15.0M | +1.1%18.4M after | 3 lots10b5-1 |
| Nov 14, 2023 (view filing)4:25 PM ET | Nov 10-14 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +159.7K | $71.83 | +$11.5M | +0.9%18.2M after | 3 lots10b5-1 |
| Nov 9, 2023 (view filing)4:26 PM ET | Nov 7-9 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +190.2K | $72.24 | +$13.7M | +1.1%18.0M after | 3 lots10b5-1 |
| Nov 6, 2023 (view filing)5:28 PM ET | Nov 2-6 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +119.4K | $71.92 | +$8.59M | +0.7%17.8M after | 3 lots10b5-1 |
| Nov 1, 2023 (view filing)5:31 PM ET | Oct 30-Nov 1 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +95.0K | $66.60 | +$6.33M | +0.5%17.7M after | 3 lots10b5-1 |
HHC Howard Hughes Corp
Director, 10% Owner21 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 18, 2023 (view filing)5:56 PM ET | Aug 16-18 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +16.4K | $74.81 | +$1.22M | +0.1%16.6M after | 3 lots10b5-1 |
| Jun 27, 2023 (view filing)5:05 PM ET | Jun 23-27 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +18.4K | $74.92 | +$1.38M | +0.1%16.6M after | 3 lots10b5-1 |
| Jun 22, 2023 (view filing)5:34 PM ET | Jun 20-22 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +62.5K | $74.80 | +$4.67M | +0.4%16.6M after | 3 lots10b5-1 |
| Jun 2, 2023 (view filing)4:50 PM ET | May 31-Jun 1 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +52.5K | $74.37 | +$3.91M | +0.3%16.5M after | 2 lots10b5-1 |
| May 30, 2023 (view filing)5:45 PM ET | May 25-30 | 5 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +92.3K | $74.28 | +$6.86M | +0.6%16.4M after | 3 lots10b5-1 |
| May 24, 2023 (view filing)5:28 PM ET | May 22-24 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +98.7K | $74.12 | +$7.31M | +0.6%16.3M after | 3 lots10b5-1 |
| May 19, 2023 (view filing)5:27 PM ET | May 17-19 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +61.4K | $74.46 | +$4.57M | +0.4%16.2M after | 3 lots10b5-1 |
| May 16, 2023 (view filing)5:09 PM ET | May 12-16 | 4 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +65.9K | $74.05 | +$4.88M | +0.4%16.2M after | 3 lots10b5-1 |
| May 11, 2023 (view filing)5:28 PM ET | May 9-11 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +23.7K | $74.46 | +$1.77M | +0.1%16.1M after | 3 lots10b5-1 |
| May 4, 2023 (view filing)5:27 PM ET | May 2-4 | 2 days | Ackman William A and 2 othersDirector, 10% Owner | PPurchaseCommon stock, par value $0.01 per share | +31.1K | $74.72 | +$2.32M | +0.2%16.1M after | 3 lots10b5-1 |
CMG Chipotle Mexican Grill Inc
Other: See Remarks3 trades
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 5, 2022 (view filing)4:08 PM ET | May 3 | 2 days | Ackman William A and 2 othersDirector | SSale | −9.52K | $1,443.64 | −$13.7M | −0.9%1.11M after | |
| Sep 8, 2021 (view filing)4:24 PM ET | Sep 3-7 | 5 days | Ackman William A and 2 othersDirector | PPurchase | +41.2K | $1,910.07 | +$78.7M | +3.8%1.11M after | 2 lots |
| Jul 2, 2021 (view filing)4:05 PM ET | Jul 1 | 1 day | Ackman William A and 2 othersDirector | SSale | −12.6K | $1,533.84 | −$19.4M | −1.2%1.07M after |