Brian Gephart, CHIEF ACCOUNTING OFFICER at MAGNITE, INC. (MGNI), sold 12,479 shares at $24.68 ($308K) on 2026-08-10, disclosed to the SEC on 2026-08-12.
Seasonal sale ($308k) by CHIEF ACCOUNTING OFFICER — this insider has traded MGNI in August in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| Filing → |
| MGNI | SELL | 2025-05-14 | $205K | — | Filing → |
| MGNI | SELL | 2025-03-05 | $100K | — | Filing → |
| MGNI | SELL | 2024-11-19 | $34K | — | Filing → |