EVANS KATIE SEITZ (Chief Operating Officer) exercised options at MAGNITE, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 1/12/2026ACC: 0001700262-26-000002
Officer· Chief Operating Officer
Since Sep 2020
-26.84K
Net shares
Net seller
$433.9K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
51.30K acquired · 78.14K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+51.30K
Price / share
—
Trade value
—
% of position
10.0%
1/9/2026
511.01K→562.31K
Common Stock
Direct
Shares
−26.84K
Price / share
$16.17
Trade value
$433.94K
% of position
4.8%
1/9/2026
562.31K→535.47K
Total
Net shares
+24.46K
Net value
-$433.94K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/9/2026 | M · Option Exercise | +51.30K | — | — | 10.0% | 511.01K | 562.31K |
| Common Stock Direct | 1/9/2026 | F · Tax Withholding | −26.84K | $16.17 | $433.94K | 4.8% | 562.31K | 535.47K |
| Total | +24.46K | -$433.94K | ||||||
Derivative Transactions1
Performance Stock Units
Direct
Converts to
Common Stock
51.30K shares
Shares
−51.30K
Strike price
Held after
0.00
Exercisable
—
1/9/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Performance Stock Units Direct | Common Stock51.30K shares | 1/9/2026 | M · Option Exercise | −51.30K | — | 0.00 |