Form 4 for MGNI MAGNITE, INC.
Accepted 2026-09-16 16:23:15 ET · period of report 2026-09-14 · accession 0001966857-26-000015 · 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 | 2026-09-16 16:23 | 2026-09-14 | MGNI | Buonasera David | CTO | S - Sale | $24.00 | -1,165 | 245.2K | -0.5% | -$28.0K |
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 | 2026-09-14 | S | D | 1,165 | $24.00 | 245,155 | D | — | — | (F1) The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 13, 2026. |