Insider · CIK 0001603808
Robert F Spillane
Files at: MGNI. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 SForm 4 → | Sep 16, 4:20 pm EDT | MAGNITE, INC.MGNI | 10,363 | $23.76 | $246,225 | 57,715 | −15.2% | |
| Sep 14, 2026 MForm 4 → | Sep 16, 4:20 pm EDT | MAGNITE, INC.MGNI | 10,363 | $5.17 | $53,577 | 68,078 | — | |
| Jun 8, 2026 AForm 4 → | Jun 10, 8:54 pm EDT | MAGNITE, INC.MGNI | 13,798 | — | — | 57,715 | — | |
| Aug 15, 2018 AForm 4 → | Aug 17, 7:43 pm EDT | RUBICON PROJECT, INC.RUBI | 7,292 | — | — | 46,924 | — | plan? |
| May 23, 2017 AForm 4 → | May 25, 8:30 pm EDT | RUBICON PROJECT, INC.RUBI | 7,292 | — | — | 39,632 | — | plan? |
| May 26, 2016 AForm 4 → | Jun 1, 9:07 pm EDT | RUBICON PROJECT, INC.RUBI | 6,171 | — | — | 32,340 | — | plan? late |
| May 13, 2015 AForm 4 → | May 15, 4:26 pm EDT | RUBICON PROJECT, INC.RUBI | 4,886 | — | — | 26,169 | — | plan? |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 MForm 4 → | Sep 16, 4:20 pm EDT | MAGNITE, INC.MGNI | 10,363 | — | — | 0 | — | |
| Aug 15, 2018 AForm 4 → | Aug 17, 7:43 pm EDT | RUBICON PROJECT, INC.RUBI | 9,429 | — | — | 9,429 | — | |
| May 23, 2017 AForm 4 → | May 25, 8:30 pm EDT | RUBICON PROJECT, INC.RUBI | 10,363 | — | — | 10,363 | — | |
| May 26, 2016 AForm 4 → | Jun 1, 9:07 pm EDT | RUBICON PROJECT, INC.RUBI | 12,557 | — | — | 12,557 | — | late |
| May 13, 2015 AForm 4 → | May 15, 4:26 pm EDT | RUBICON PROJECT, INC.RUBI | 11,759 | — | — | 11,759 | — |