Douglas Knopper Insider Trades & Stock Holdings

MGNI · Latest filing Jun 16, 2026

Douglas Knopper at MGNI has 2 Form 4 trades on file since Jun 16, 2026. Open-market activity: 0 purchases ($0) and 2 sales ($1.35M), net -$1.35M. Latest filing: disposed of 37.34K shares of $MGNI on Jun 16, 2026 at $18.10.

Trades on file

2

Open-market bought

$0

Open-market sold

$1.35M

Net open-market

-$1.35M

Latest filing

Jun 16, 2026

All insider trades by Douglas Knopper

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Jun 16, 2026	$MGNI	Sell (Open-market sale) 10b5-1	37.34K	$18.10	$675.80K			-3.0%	+7.3%				—
Jun 16, 2026	$MGNI	Sell (Open-market sale) 10b5-1	37.34K	$18.10	$675.80K			-3.0%	+7.3%				—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Douglas Knopper traded

• $MGNI

Frequently asked questions

Has Douglas Knopper been buying or selling stock?

Douglas Knopper has 0 open-market purchases and 2 open-market sales on file, net -$1.35M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Douglas Knopper's latest insider trade?

disposed of 37.34K shares of $MGNI on Jun 16, 2026 at $18.10.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.