Paydirt
DK
Insider

Douglas S Knopper

Director

Douglas S Knopper (Director) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in Magnite, Inc. (MGNI). The largest single filing was $981K of MGNI (37,337 sh × $26.28, as filed), executed Sep 17.

Add to watchlist
Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$2.7M
shares × price, as filed
Last traded
Sep 17
Filed Sep 18

Median ADV $72.0M across their filed names

Open performance
Volume by month
$981K$491K$0Oct 2024Apr 2025Oct 2025Apr 2026Jun 2026 · sells $845KAug 2026 · sells $848KSep 2026 · sells $981K
Buys $0 Sells $2.7M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Communication Services 4 filings

Sector per market data · by filing · past 12 months

Most traded names
MGNI Magnite, Inc. MGNI · 0 buys · 4 sells 4 filings
Recent filings
MGNISALE Magnite, Inc. View filing → $981K
37,337 sh × $26.28
Exec Sep 17
Filed Sep 18 · 4:05 PM ET
MGNISALE Magnite, Inc. View filing → $848K
37,337 sh × $22.72
Exec Aug 6
Filed Aug 7 · 5:10 PM ET
MGNISALE Magnite, Inc. View filing → $676K
37,337 sh × $18.10
Exec Jun 16
Filed Jun 17 · 5:30 PM ET
MGNISALE Magnite, Inc. View filing → $169K
10,766 sh × $15.73
Exec Jun 10
Filed Jun 10 · 5:30 PM ET