ACKMAN WILLIAM A
Director · Officer · Ten-percent owner · PS, PSUS
As of 2026-09-16, ACKMAN WILLIAM A has 34 Form 4 transactions on record across 2 companies — 34 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-30 | PSUS | Purchase | 3,500,000 @ $50.00 | $175.0M | ownership Δ n/a | 3,500,000 | Form 4 |
| 2026-04-30 | PSUS | Purchase | 841,000 @ $50.00 | $42.0M | ownership Δ n/a | 841,000 | Form 4 |
| 2026-04-30 | PSUS | Purchase | 500,000 @ $42.00 | $21.0M | +14.3% of holding | 4,000,000 | Form 4 |
| 2026-04-30 | PS | Purchase | 659,540 @ $23.88 | $15.7M | +84.4% of holding | 1,441,302 | Form 4 |
| 2026-04-30 | PS | Purchase | 81,762 @ $22.61 | $1.8M | +11.7% of holding | 781,762 | Form 4 |
| 2026-04-30 | PSUS | Purchase | 34,971 @ $50.00 | $1.7M | +165.0% of holding | 56,171 | Form 4 |
| 2026-04-30 | PS | Purchase | 58,698 @ $24.20 | $1.4M | +4.1% of holding | 1,500,000 | Form 4 |
| 2026-04-30 | PSUS | Purchase | 21,200 @ $50.00 | $1.1M | ownership Δ n/a | 21,200 | Form 4 |
26 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-17 | PS | Gift | 10,000,000 | 66,825,763 | Form 4 |
| 2026-04-30 | PS | Disposition | 6,874,237 | 76,825,763 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 168,200 | 168,200 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 700,000 | 700,000 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 4,240 | 304,240 | Form 4 |
| 2026-04-30 | PS | Award / grant | 10,489 | 314,729 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 700,000 | 700,000 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 168,200 | 168,200 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 4,240 | 304,240 | Form 4 |
| 2026-04-30 | PS | Award / grant | 10,489 | 314,729 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 700,000 | 700,000 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 168,200 | 168,200 | Form 4 |
| 2026-04-30 | PS | Other acquisition | 4,240 | 304,240 | Form 4 |
| 2026-04-30 | PS | Award / grant | 10,489 | 314,729 | Form 4 |
| 2026-04-28 | PS | Gift | 300,000 | 83,700,000 | Form 4 |
| 2026-04-28 | PS | Award / grant | 92,878,204 | 92,878,204 | Form 4 |
| 2026-04-28 | PS | Award / grant | 92,878,204 | 92,878,204 | Form 4 |
| 2026-04-28 | PS | Award / grant | 92,878,204 | 92,878,204 | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | — | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | — | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | 422,533 | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | 422,533 | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | — | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | — | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | 422,533 | Form 4 |
| 2026-04-21 | — | Other acquisition | 0 | 422,533 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.