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

2 trades

$735.2K

Net Position

Net Seller

$735.2K

Companies Traded

MGNI

Active Period

Apr 2021 – Jul 2021

2 total trades

Most Recent

Sell MGNI

Jul 13, 2021 · $334.4K

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

Buys

0 · $0.00

Sells

2 · $735.2K

Total Shares Bought

Total Shares Sold

20,200

MGNI Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Jul 13, 2021↗	Sell	10,200	$32.79	$334.4K	106,246
Apr 7, 2021↗	Sell	10,000	$40.08	$400.8K	116,397

Related Insiders

Adam Lee Soroca

CHIEF PRODUCT OFFICER

MGNISell · Feb 18, 2026

Sean Patrick Buckley

President, Revenue

MGNISell · Feb 15, 2026

David Buonasera

CHIEF TECHNOLOGY OFFICER

MGNISell · Feb 15, 2026

David Day

CHIEF FINANCIAL OFFICER

MGNISell · Feb 15, 2026

Aaron Saltz

CHIEF LEGAL OFFICER

MGNISell · Feb 15, 2026

Brian Gephart

CHIEF ACCOUNTING OFFICER

MGNISell · Feb 15, 2026

BARRETT MICHAEL G.

CEO

MGNISell · Feb 15, 2026

Katie Seitz Evans

President, Operations

MGNISell · Feb 15, 2026

Explore More Insider Trading Data

MGNI Insider Trading Activity

View all insider trades at Magnite, Inc.

Communication Services Sector Insider Trades

See insider activity across communication services stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity