Form 4 for MGNI MAGNITE, INC.
Accepted 2026-09-18 16:06:12 ET · period of report 2026-09-17 · accession 0001411765-26-000009 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-18 16:06 | 2026-09-17 | MGNI | Caine Paul | Dir | S - Sale | $26.50 | -7,500 | 137.4K | -5% | -$198.8K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-17 | S | D | 7,500 | $26.50 | 137,401 | D | — | — | (F1) The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 20, 2025. |