Paydirt
KK
Insider

Kevin J. Knopp

President and CEO

Kevin J. Knopp (President and CEO) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in 908 Devices Inc. (MASS). The largest single filing was $1.4M of MASS (145,918 sh across 2 lots, as filed), executed Aug 11.

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
$2.4M
shares × price, as filed
Last traded
Aug 17
Filed Aug 17

Median ADV $3.5M across their filed names

Open performance
Volume by month
$1.7M$826K$0Oct 2024Apr 2025Oct 2025Apr 2026Feb 2026 · sells $215KJun 2026 · sells $520KAug 2026 · sells $1.7M
Buys $0 Sells $2.4M

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

Sectors filed on
Healthcare 4 filings

Sector per market data · by filing · past 12 months

Most traded names
MASS 908 Devices Inc. MASS · 0 buys · 4 sells 4 filings
Recent filings
MASSSALE 908 Devices Inc. View filing → $207K
20,000 sh × $10.35
Exec Aug 17
Filed Aug 17 · 5:30 PM ET
MASSSALE 908 Devices Inc. View filing → $1.4M
145,918 sh across 2 lots
Exec Aug 11
Filed Aug 12 · 5:05 PM ET
MASSSALE 908 Devices Inc. View filing → $520K
56,923 sh across 2 lots
Exec Jun 24
Filed Jun 25 · 5:30 PM ET
MASSSALE 908 Devices Inc. View filing → $215K
34,764 sh × $6.18
Exec Feb 2
Filed Feb 3 · 5:30 PM ET