Insider · CIK 0001350876
Douglas S Knopper
Files at: MGNI, TLRA. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 SForm 4 → | Sep 18, 4:05 pm EDT | MAGNITE, INC.MGNI | 37,337 | $26.28 | $981,216 | 51,136 | −42.2% | 10b5-1 |
| Aug 6, 2026 SForm 4 → | Aug 7, 5:10 pm EDT | MAGNITE, INC.MGNI | 37,337 | $22.72 | $848,297 | 88,473 | −29.7% | 10b5-1 |
| Jun 16, 2026 SForm 4 → | Jun 17, 6:48 pm EDT | MAGNITE, INC.MGNI | 37,337 | $18.10 | $675,800 | 125,810 | −22.9% | 10b5-1 |
| Jun 10, 2026 SForm 4 → | Jun 10, 8:50 pm EDT | MAGNITE, INC.MGNI | 10,766 | $15.73 | $169,349 | 163,147 | −6.19% | 10b5-1 |
| Jun 8, 2026 AForm 4 → | Jun 10, 8:50 pm EDT | MAGNITE, INC.MGNI | 13,798 | — | — | 173,913 | — | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 17, 2018 AForm 4 → | Oct 19, 4:41 pm EDT | Telaria, Inc.TLRA | 84,757 | — | — | 68,729 | — |