Gerstein Mark D
Director · OMC
As of 2026-09-16, Gerstein Mark D has 14 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 $1.3M
- Indirect $0
| OMC | direct | 16,332 sh | $1.3M |
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 |
|---|
14 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-07-01 | OMC | Award / grant | 309 | 16,332 | Form 4 |
| 2026-07-01 | OMC | Award / grant | 704 | 16,023 | Form 4 |
| 2026-04-01 | OMC | Award / grant | 299 | 15,168 | Form 4 |
| 2026-04-01 | OMC | Award / grant | 681 | 14,869 | Form 4 |
| 2026-01-01 | OMC | Award / grant | 635 | 13,777 | Form 4 |
| 2026-01-01 | OMC | Award / grant | 279 | 14,055 | Form 4 |
| 2025-10-01 | OMC | Award / grant | 276 | 13,031 | Form 4 |
| 2025-10-01 | OMC | Award / grant | 629 | 12,755 | Form 4 |
| 2025-07-01 | OMC | Award / grant | 313 | 12,020 | Form 4 |
| 2025-07-01 | OMC | Award / grant | 712 | 11,708 | Form 4 |
| 2025-04-01 | OMC | Award / grant | 271 | 10,904 | Form 4 |
| 2025-04-01 | OMC | Award / grant | 618 | 10,632 | Form 4 |
| 2025-01-01 | OMC | Award / grant | 596 | 9,675 | Form 4 |
| 2025-01-01 | OMC | Award / grant | 262 | 9,937 | 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.