EVANS KATIE SEITZ

PrivateCIK: 1700262
Location

NEW YORK, NY

EVANS KATIE SEITZ (Chief Operating Officer) sold 3.9% of their position (20K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $480.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderEVANS KATIE SEITZCIK 1700262
IssuerMAGNITE, INC.CIK 1595974
Officer· Chief Operating Officer
Since Sep 2020
-20K
Net shares
Net seller
$480.0K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
20K acquired · 40K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+20K

Price / share

$5.16

Trade value

$103.20K

% of position

4.0%
8/6/2026
496.84K516.84K

Common Stock

Direct
S · Sale

Shares

20K

Price / share

$24.00

Trade value

$480K

% of position

3.9%
8/6/2026
516.84K496.84K
Total

Net shares

+0.00

Net value

-$376.80K

Derivative Transactions1

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

20K shares

Shares

20K

Strike price

5.16

Held after

0.00

Exercisable

8/6/2026