Joseph H. Griffith IV - Insider Trading & Ownership

Location
68 Elm Street, Hopkinton, MA
Summary
The estimated net worth of Joseph H. Griffith IV is at least $945K dollars as of October 6, 2025. Joseph H. Griffith IV is the Chief Financial Officer of 908 Devices Inc. and owns shares of 908 Devices Inc. (MASS) stock worth about $945K.
Signature
/s/ Michael S. Turner, as Attorney-in-Fact
All Insider Reports
All Insider Reports

Ownership of Joseph H. Griffith IV

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MASS 908 Devices Inc. Chief Financial Officer $945K -$154K -14% Oct 2, 2025

Insider Transactions Reported by Joseph H. Griffith IV:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.