BUONASERA DAVID

PrivateCIK: 1966857
Location

NEW YORK, NY

BUONASERA DAVID (CHIEF TECHNOLOGY OFFICER) sold 3.4% of their position (9.38K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $187.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderBUONASERA DAVIDCIK 1966857
IssuerMAGNITE, INC.CIK 1595974
Officer· CHIEF TECHNOLOGY OFFICER
Since Feb 2026
-9.38K
Net shares
Net seller
$187.5K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
9.38K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

9.38K

Price / share

$20.00

Trade value

$187.52K

% of position

3.4%
7/1/2026
279.08K269.71K
Total

Net shares

9.38K

Net value

-$187.52K

Derivative Transactions0
No derivative transactions reported