BUONASERA DAVID

PrivateCIK: 1966857
Location

NEW YORK, NY

Senior insider sale

CHIEF TECHNOLOGY OFFICER at MAGNITE, INC. — senior position signals high conviction

$660.8K

33.36K shares

What this filing means

BUONASERA DAVID plans to sell 33.36K shares of MAGNITE, INC. valued at approximately $660.8K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderBUONASERA DAVIDCIK 1966857
IssuerMAGNITE, INC.CIK 1595974
Officer· CHIEF TECHNOLOGY OFFICER
Since Feb 2026
33.36K
Shares to sell
$660.8K
Approx. market value
7.65K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months1
Sort

Restricted Stock

Not Applicable

8/15/2024
7.65K
Total acquired7.65K
Planned & Completed Dispositions7
Sort

Completed

Completed

Units to sell

1.22K

Market value

$25.7K

7/7/2026
Completed

Units to sell

9.38K

Market value

$187.5K

7/1/2026
Completed

Units to sell

1.41K

Market value

$26.8K

6/17/2026
Completed

Units to sell

11.23K

Market value

$202.2K

6/16/2026
Completed

Units to sell

1.06K

Market value

$18.0K

6/15/2026
Completed

Units to sell

1.41K

Market value

$21.1K

6/1/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

7.65K

Market value

$179.5K

8/6/2026
Total

Units

33.36K

Value

$660.8K