SPILLANE ROBERT F

PrivateCIK: 1603808
Location

LOS ANGELES, MA

SPILLANE ROBERT F sold 15.2% of their position (10.36K shares) of MAGNITE, INC. on the open market

Open‑market sale worth $246.2K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSPILLANE ROBERT FCIK 1603808
→
IssuerMAGNITE, INC.CIK 1595974
Director
Since Aug 2018
-10.36K
Net shares
Net seller
$246.2K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
10.36K acquired · 20.73K disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+10.36K

Price / share

$5.17

Trade value

$53.58K

% of position

18.0%
9/14/2026
57.72K→68.08K

Common Stock

Direct
S · Sale

Shares

−10.36K

Price / share

$23.76

Trade value

$246.22K

% of position

15.2%
9/14/2026
68.08K→57.72K
Total

Net shares

+0.00

Net value

-$192.65K

Derivative Transactions1

Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

10.36K shares

Shares

−10.36K

Strike price

5.17

Held after

0.00

Exercisable

—

9/14/2026
SPILLANE ROBERT F — Insider Transaction (Form 4) Filed Sep 16, 2026 | Finecho