InsidersTradesSigma
Total declarations
Companies
▲ Purchases (5 ops.)
▼ Sales (0 ops.)
Insider track record
CEODisclosed buys
5
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-12.1%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Ackman William A, Chief Executive Officer. Officer active across 3 companies, notably Pershing Square SPARC Holdings, Ltd./DE. In total, 7 disclosures have been recorded. Split: 5 buys · 0 sell. Total volume traded: €205.4m. History available since 30 April 2026. The latest transaction was disclosed on 17 August 2026 (Don). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Ackman William A
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations7 total
10,000,000 shares0Common StockSEC:0001140361-26-033760:0
3,500,000 shares@ US$50.0072.7% of flowCommon Shares of Beneficial InterestSEC:0001140361-26-018381:0
Canonical exit: 29 Jul 2026 (T+90)
500,000 shares@ US$42.008.7% of flowCommon Shares of Beneficial InterestSEC:0001140361-26-018381:1
Canonical exit: 29 Jul 2026 (T+90)
841,000 shares@ US$50.0017.5% of flowCommon Shares of Beneficial InterestSEC:0001140361-26-018381:2
Canonical exit: 29 Jul 2026 (T+90)
21,200 shares@ US$50.000.4% of flowCommon Shares of Beneficial InterestSEC:0001140361-26-018381:3
Canonical exit: 29 Jul 2026 (T+90)
34,971 shares@ US$50.000.7% of flowCommon Shares of Beneficial InterestSEC:0001140361-26-018381:4
Canonical exit: 29 Jul 2026 (T+90)
0Common StockSEC:0001140361-26-016494:0
7 of 7 declarations
About Ackman William A
William A. Ackman is the Chairman and CEO of Pershing Square SPARC Holdings, Ltd. He oversees the company's operations, which focus on investment and asset management. Ackman is responsible for growth strategy and innovation, ensuring that Pershing Square meets customer needs while maintaining high performance standards.
