Gephart Brian (CIK 1778484) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-08-18). Recent activity: Sell MGNI (3,789 shares), Sell MGNI (12,479 shares), Sell MGNI (3,789 shares), Sell MGNI (6,149 shares), Buy MGNI (39,185 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 3,789 | $93,702 |
| 2026-08-12 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 12,479 | $307,982 |
| 2026-05-19 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 3,789 | $48,575 |
| 2026-02-18 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 6,149 | $71,943 |
| 2026-01-05 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Buy | 39,185 | $0 |
| 2025-11-18 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 3,549 | $50,218 |
| 2025-09-05 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 27,671 | $683,750 |
| 2025-08-20 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 2,961 | $70,620 |
| 2025-05-16 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 3,045 | $48,355 |
| 2025-05-14 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 6,334 | $102,357 |
| 2025-03-05 | MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | Sell | 6,250 | $100,000 |
Source: SEC Form 4 filings · as of 2026-08-18