STONE WILLIAM C
Director · Officer · Ten-percent owner · SSNC
As of 2026-09-16, STONE WILLIAM C has 30 Form 4 transactions on record across 1 company — 18 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
- Direct $2.6B
- Indirect $0
| SSNC | direct | 32,470,808 sh | $2.6B |
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 |
|---|---|---|---|---|---|---|---|
| 2024-12-10 | SSNC | Sale | 132,700 @ $76.85 | $10.2M | −0.4% of holding | 31,837,926 | Form 4 |
29 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-02 | SSNC | Option exercise | 21,949 | 0 | Form 4 |
| 2026-03-02 | SSNC | Option exercise | 21,949 | 32,470,808 | Form 4 |
| 2026-03-02 | SSNC | Option exercise | 21,949 | 32,470,808 | Form 4 |
| 2026-02-22 | SSNC | Option exercise | 19,890 | 19,368 | Form 4 |
| 2026-02-22 | SSNC | Option exercise | 19,890 | 32,448,859 | Form 4 |
| 2026-02-22 | SSNC | Option exercise | 19,890 | 32,448,859 | Form 4 |
| 2026-02-14 | SSNC | Option exercise | 14,273 | 28,198 | Form 4 |
| 2026-02-14 | SSNC | Option exercise | 14,273 | 32,428,969 | Form 4 |
| 2026-02-14 | SSNC | Option exercise | 14,273 | 32,428,969 | Form 4 |
| 2026-02-13 | SSNC | Option exercise | 263,394 | 0 | Form 4 |
| 2026-02-13 | SSNC | Award / grant | 52,019 | 52,019 | Form 4 |
| 2026-02-13 | SSNC | Award / grant | 244,619 | 244,619 | Form 4 |
| 2026-02-13 | SSNC | Award / grant | 263,394 | 263,394 | Form 4 |
| 2026-02-13 | SSNC | Option exercise | 263,394 | 32,414,696 | Form 4 |
| 2026-02-13 | SSNC | Option exercise | 263,394 | 32,414,696 | Form 4 |
| 2025-12-23 | SSNC | Gift | 148,000 | 32,151,302 | Form 4 |
| 2025-10-13 | SSNC | Option exercise | 420,000 | 32,299,302 | Form 4 |
| 2025-10-13 | SSNC | Option exercise | 420,000 | 0 | Form 4 |
| 2025-03-03 | SSNC | Option exercise | 21,729 | 31,879,302 | Form 4 |
| 2025-03-03 | SSNC | Option exercise | 21,729 | 31,879,302 | Form 4 |
| 2025-03-02 | SSNC | Option exercise | 21,729 | 21,125 | Form 4 |
| 2025-02-24 | SSNC | Option exercise | 19,647 | 31,857,573 | Form 4 |
| 2025-02-24 | SSNC | Option exercise | 19,647 | 31,857,573 | Form 4 |
| 2025-02-22 | SSNC | Option exercise | 19,647 | 38,736 | Form 4 |
| 2025-02-14 | SSNC | Award / grant | 42,297 | 42,297 | Form 4 |
| 2025-02-14 | SSNC | Award / grant | 185,644 | 185,644 | Form 4 |
| 2025-02-14 | SSNC | Award / grant | 183,960 | 183,960 | Form 4 |
| 2024-12-10 | SSNC | Option exercise | 132,700 | 31,970,626 | Form 4 |
| 2024-12-10 | SSNC | Option exercise | 132,700 | 0 | 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.