SEC Form 4 · accession 0001700262-26-000007
MAGNITE, INC. · MGNI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Katie Seitz Evans
Officer — See Remarks
Period of report
Aug 6, 2026
Accepted (ET)
Aug 7, 2026 · 5:06 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001595974
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Aug 6, 2026 | M | 20,000 | $5.16 | A | 516,840 | D | |
| Common Stock | Aug 6, 2026 | S | 20,000 | $24.00 | D | 496,840 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F3,F2 | $5.16 | Aug 6, 2026 | M | 20,000 | D | — | Feb 27, 2029 | Common Stock | 20,000 | 0 | D |
Explanation of responses
- F1This exercise and subsequent sale were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 28, 2025.
- F2The stock options have fully vested and are immediately exercisable.
- F3Granted as compensation for services.
Remarks
President, Product & Operations