BUONASERA DAVID

PrivateCIK: 1966857
Location

NEW YORK, NY

BUONASERA DAVID (CHIEF TECHNOLOGY OFFICER) sold 2.8% of their position (7.65K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $179.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderBUONASERA DAVIDCIK 1966857
IssuerMAGNITE, INC.CIK 1595974
Officer· CHIEF TECHNOLOGY OFFICER
Since Feb 2026
-7.65K
Net shares
Net seller
$179.5K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
7.65K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

4.18K

Price / share

$22.81

Trade value

$95.25K

% of position

1.6%
8/6/2026
268.49K264.31K

Common Stock

Direct
S · Sale

Shares

2.60K

Price / share

$24.00

Trade value

$62.45K

% of position

1.0%
8/6/2026
264.31K261.71K

Common Stock

Direct
S · Sale

Shares

871.00

Price / share

$25.00

Trade value

$21.77K

% of position

0.3%
8/6/2026
261.71K260.84K
Total

Net shares

7.65K

Net value

-$179.48K

Derivative Transactions0
No derivative transactions reported