Douglas S Knopper

MGNI

Douglas S Knopper serves as director at Magnite, Inc. (MGNI). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

6 trades

$3.41M

Net Position

Net Seller

$3.41M

Companies Traded

MGNI

Active Period

Apr 2021 – Sep 2026

6 total trades

Most Recent

Sell MGNI

Sep 18, 2026 · $981.2K

Douglas S Knopper's Insider Trading at Magnite, Inc. (MGNI)

Buys

0 · $0.00

Sells

6 · $3.41M

Total Shares Bought

Total Shares Sold

142,977

MGNI Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Sep 18, 2026	Sell	37,337	$26.28	$981.2K	51,136
Aug 7, 2026	Sell	37,337	$22.72	$848.3K	88,473
Jun 17, 2026	Sell	37,337	$18.10	$675.8K	125,810
Jun 10, 2026	Sell	10,766	$15.73	$169.3K	163,147
Jul 13, 2021	Sell	10,200	$32.79	$334.4K	106,246
Apr 7, 2021	Sell	10,000	$40.08	$400.8K	116,397