WINIARSKI GREGG
Director · MSTR
As of 2026-09-16, WINIARSKI GREGG has 13 Form 4 transactions on record across 1 company — 8 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 $138K
- Indirect $0
| MSTR | direct | 1,092 sh | $138K |
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 |
|---|---|---|---|---|---|---|---|
| 2025-08-08 | MSTR | Purchase | 10,000 @ $97.65 | $977K | ownership Δ n/a | 10,000 | Form 4 |
12 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-31 | MSTR | Award / grant | 943 | 943 | Form 4 |
| 2026-05-31 | MSTR | Award / grant | 1,221 | 1,221 | Form 4 |
| 2026-05-31 | MSTR | Option exercise | 406 | 0 | Form 4 |
| 2026-05-31 | MSTR | Option exercise | 406 | 1,092 | Form 4 |
| 2026-05-31 | MSTR | Option exercise | 406 | 1,092 | Form 4 |
| 2025-12-20 | MSTR | Option exercise | 686 | 2,059 | Form 4 |
| 2025-12-20 | MSTR | Option exercise | 686 | 686 | Form 4 |
| 2025-12-20 | MSTR | Option exercise | 686 | 686 | Form 4 |
| 2025-05-31 | MSTR | Award / grant | 545 | 545 | Form 4 |
| 2025-05-31 | MSTR | Award / grant | 406 | 406 | Form 4 |
| 2025-01-21 | MSTR | Award / grant | 3,709 | 3,709 | Form 4 |
| 2025-01-21 | MSTR | Award / grant | 2,745 | 2,745 | 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.