EVANS KATIE SEITZ

PrivateCIK: 1700262
Location

NEW YORK, NY

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
InsiderEVANS KATIE SEITZCIK 1700262
IssuerMAGNITE, INC.CIK 1595974
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
M · Option Exercise

Shares

+51.30K

Price / share

Trade value

% of position

10.0%
1/9/2026
511.01K562.31K

Common Stock

Direct
F · Tax Withholding

Shares

26.84K

Price / share

$16.17

Trade value

$433.94K

% of position

4.8%
1/9/2026
562.31K535.47K
Total

Net shares

+24.46K

Net value

-$433.94K

Derivative Transactions1

Performance Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

51.30K shares

Shares

51.30K

Strike price

Held after

0.00

Exercisable

1/9/2026
EVANS KATIE SEITZ — Insider Transaction (Form 4) Filed Jan 12, 2026 | Finecho