Gerstein Mark D (CIK 1916341) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-06). Recent activity: Buy OMC (704 shares), Buy OMC (309 shares), Buy OMC (681 shares), Buy OMC (299 shares), Buy OMC (635 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-06 | OMNICOM GROUP INC. (OMC) | Director | Buy | 704 | $0 |
| 2026-07-06 | OMNICOM GROUP INC. (OMC) | Director | Buy | 309 | $0 |
| 2026-04-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 681 | $0 |
| 2026-04-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 299 | $0 |
| 2026-01-05 | OMNICOM GROUP INC. (OMC) | Director | Buy | 635 | $0 |
| 2026-01-05 | OMNICOM GROUP INC. (OMC) | Director | Buy | 279 | $0 |
| 2025-10-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 629 | $0 |
| 2025-10-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 276 | $0 |
| 2025-07-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 712 | $0 |
| 2025-07-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 313 | $0 |
| 2025-04-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 618 | $0 |
| 2025-04-03 | OMNICOM GROUP INC. (OMC) | Director | Buy | 271 | $0 |
Source: SEC Form 4 filings · as of 2026-07-06