rotation.to
Following this device: dark.
Free account
rotation.to
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Joseph H. Griffith IV

Chief Financial Officer

Company insider

Files Form 4 as: Chief Financial Officer, 908 Devices; VP, Finance & Controller, Caliper Life Sciences.

In numbers

Trades disclosed
148
Buys
0
Sells
26
Bought
$0
Sold
$4.9M
Companies
2
Companies where not an officer
0
First trade
1 Jul 2008
Last trade
6 Oct 2026
Last filed
8 Oct 2026

Companies traded

Where they are an officer
MASS 908 DevicesOfficer · Life-science tools · last 6 Oct 20260 buys · 26 sells
Caliper Life SciencesOfficer · last 7 Nov 20110 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
30Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
6 Oct 2026filed 8 Oct 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$65K5,000 at $13.03filing
25 Aug 2026filed 27 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$125K11,459 at $10.95filing
25 Aug 2026filed 27 Aug 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$125K11,459 at $10.95filing
28 May 2026filed 29 May 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$63K6,940 at $9.03filing
28 May 2026filed 29 May 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$63K6,940 at $9.03filing
2 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—121,164 at $0.00filing
2 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—52,967 at $0.00filing
2 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—121,164 at $0.00filing
2 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code A—52,967 at $0.00filing
2 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$143K23,175 at $6.18filing
2 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Sold$143K23,175 at $6.18filing
1 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—5,102filing
1 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—10,306filing
1 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—11,260filing
1 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—5,102 at $0.00filing
1 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—10,306 at $0.00filing
1 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—11,260 at $0.00filing
1 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—43,473 at $0.00filing
1 Feb 2026filed 3 Feb 2026MASS 908 DevicesLife-science toolsSEC FORM 4 Code M—43,473filing
1 Feb 2026filed 3 Feb 2026MASS 908 Devicesoption or derivative · Life-science toolsSEC FORM 4 Code M—5,102 at $0.00filing

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 Joseph H. Griffith IV; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Health Care26

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
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
Kevin J. KnoppPresident and CEO · President and CEO 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