ZAMKOW MICHAEL JAY
Director · SSNC
As of 2026-09-16, ZAMKOW MICHAEL JAY has 21 Form 4 transactions on record across 1 company — 9 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.
Pattern in the record: open-market sales filed in May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $0
- Indirect $636K
| SSNC | indirect | 7,900 sh | $636K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-05-22 | SSNC | Sale | 3,000 @ $66.68 | $200K | −14.0% of holding | 18,404 | Form 4 |
| 2026-05-20 | SSNC | Sale | 3,000 @ $66.78 | $200K | −15.9% of holding | 15,824 | Form 4 |
| 2025-05-13 | SSNC | Sale | 12,500 @ $79.92 | $999K | −50.0% of holding | 12,476 | Form 4 |
| 2025-05-02 | SSNC | Sale | 12,900 @ $77.60 | $1.0M | −34.1% of holding | 24,976 | Form 4 |
| 2025-05-02 | SSNC | Sale | 6,000 @ $77.05 | $462K | −13.7% of holding | 37,876 | Form 4 |
| 2025-02-25 | SSNC | Sale | 23,000 @ $88.39 | $2.0M | −49.8% of holding | 23,200 | Form 4 |
15 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-22 | SSNC | Option exercise | 3,000 | 21,404 | Form 4 |
| 2026-05-22 | SSNC | Option exercise | 3,000 | 0 | Form 4 |
| 2026-05-20 | SSNC | Option exercise | 3,000 | 18,824 | Form 4 |
| 2026-05-20 | SSNC | Award / grant | 3,200 | 3,200 | Form 4 |
| 2026-05-20 | SSNC | Option exercise | 2,580 | 0 | Form 4 |
| 2026-05-20 | SSNC | Option exercise | 3,000 | 3,000 | Form 4 |
| 2026-05-20 | SSNC | Option exercise | 2,580 | 18,404 | Form 4 |
| 2025-05-21 | SSNC | Award / grant | 2,547 | 2,547 | Form 4 |
| 2025-05-21 | SSNC | Option exercise | 3,348 | 0 | Form 4 |
| 2025-05-21 | SSNC | Option exercise | 3,348 | 15,824 | Form 4 |
| 2025-05-21 | SSNC | Option exercise | 3,348 | 15,824 | Form 4 |
| 2025-05-02 | SSNC | Option exercise | 6,000 | 43,876 | Form 4 |
| 2025-05-02 | SSNC | Option exercise | 6,000 | 0 | Form 4 |
| 2025-02-27 | SSNC | Gift | 15,300 | 37,876 | Form 4 |
| 2025-02-27 | SSNC | Gift | 15,300 | 7,900 | 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.