SEC Form 4 research
| Issuer | RUBICON PROJECT, INC. |
|---|---|
| Tickers | RUBI, MGNI |
| Reporting owners | 47 |
| Officers and directors | 28 |
| Last public filing | 2026-11-06 |
| Available | Trade date | Reporting owners | Code | Shares | Price | Reported value |
|---|---|---|---|---|---|---|
| 2026-11-06 | 2026-11-05 | Buckley Sean Patrick | S | 10,991 | $27 | Not reported |
| 2026-11-06 | 2026-11-05 | Buonasera David | S | 1,434 | $28 | Not reported |
| 2026-11-06 | 2026-11-05 | Buonasera David | S | 4,272 | $27 | Not reported |
| 2026-10-14 | 2026-10-12 | Caine Paul | S | 12,500 | $25.29 | Not reported |
| 2026-10-02 | 2026-10-01 | Sullivan Haas | A | 24,641 | $0 | Not reported |
| 2026-10-02 | 2026-10-01 | Gephart Brian | A | 64,682 | $0 | Not reported |
| 2026-09-18 | 2026-09-17 | Caine Paul | S | 7,500 | $26.5 | Not reported |
| 2026-09-18 | 2026-09-17 | Knopper Douglas S | S | 37,337 | $26.28 | Not reported |
| 2026-09-16 | 2026-09-14 | Buonasera David | S | 1,165 | $24 | Not reported |
| 2026-09-16 | 2026-09-14 | Spillane Robert F | S | 10,363 | $23.76 | Not reported |
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