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Who

Kevin J. Knopp

President and CEO

Company insider

Files Form 4 as: President and CEO, 908 Devices.

In numbers

Trades disclosed
136
Buys
7
Sells
40
Bought
$425K
Sold
$13.9M
Companies
1
Companies where not an officer
0
First trade
22 Dec 2020
Last trade
17 Aug 2026
Last filed
17 Aug 2026

Companies traded

Where they are an officer
MASS 908 DevicesDirector, Officer · Life-science tools · last 17 Aug 20267 buys · 40 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
502Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
17 Aug 2026filed 17 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$207K20,000 at $10.35filing
17 Aug 2026filed 17 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$207K20,000 at $10.35filing
13 Aug 2026filed 17 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$77K7,622 at $10.06filing
13 Aug 2026filed 17 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$77K7,622 at $10.06filing
12 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$28K2,747 at $10.07filing
12 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$28K2,747 at $10.07filing
11 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$1.1M115,748 at $9.83filing
11 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$307K30,170 at $10.16filing
11 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$1.1M115,748 at $9.83filing
11 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$307K30,170 at $10.16filing
10 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$3,153348 at $9.06filing
10 Aug 2026filed 12 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$3,153348 at $9.06filing
2 Jul 2026filed 7 Jul 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$2,014222 at $9.07filing
2 Jul 2026filed 7 Jul 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$2,014222 at $9.07filing
26 Jun 2026filed 30 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$25K2,798 at $9.09filing
26 Jun 2026filed 30 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$25K2,798 at $9.09filing
25 Jun 2026filed 25 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$149K16,388 at $9.10filing
25 Jun 2026filed 25 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$149K16,388 at $9.10filing
24 Jun 2026filed 25 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$370K40,535 at $9.14filing
24 Jun 2026filed 25 Jun 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$370K40,535 at $9.14filing

News

TTM Technologies (NASDAQ:TTMI) versus 908 Devices (NASDAQ:MASS) Head-To-Head ReviewMASS · dailypolitical.com · 15 Oct 2026

0 headlines in the last 90 days name Kevin J. Knopp; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care47

Buys in green, sells in red, by the company’s sector.

Related people

Christopher D. BrownDirector · Director at 908 Devices, filing Form 4 there in the last year
Joseph H. Griffith IVChief Financial Officer · Chief Financial Officer at 908 Devices, filing Form 4 there in the last year
AWM Investment Company, Inc.10% owner · 10% owner at 908 Devices, filing Form 4 there in the last year
John KennewegSVP, Sales & Product Marketing · SVP, Sales & Product Marketing at 908 Devices, filing Form 4 there in the last year
Brandi C. VannDirector · Director at 908 Devices, filing Form 4 there in the last year