KNOPPER DOUGLAS S

PrivateCIK: 1350876
Location

NEW YORK, NY

KNOPPER DOUGLAS S sold 22.9% of their position (37.34K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $675.8K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderKNOPPER DOUGLAS SCIK 1350876
IssuerMAGNITE, INC.CIK 1595974
Director
Since Apr 2020
-37.34K
Net shares
Net seller
$675.8K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
37.34K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

37.34K

Price / share

$18.10

Trade value

$675.80K

% of position

22.9%
6/16/2026
163.15K125.81K
Total

Net shares

37.34K

Net value

-$675.80K

Derivative Transactions0
No derivative transactions reported
KNOPPER DOUGLAS S — Insider Transaction (Form 4) Filed Jun 17, 2026 | Finecho