Arkolith/Insider Trading/MASS/Form 4

Griffith Joseph H. IV

Chief Financial Officer908 Devices Inc. (MASS) · full profile →Form 4 · filed Feb 3, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$143K
Net Open-Market Flow
-$143K
Transactions
11
5 non-derivative · 6 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 2, 2026Sell(S)23K$6.18$143K140K
Feb 1, 2026Option exercise(M)11K——120K
Feb 1, 2026Option exercise(M)43K——163K
Feb 1, 2026Option exercise(M)5K——98K
Feb 1, 2026Option exercise(M)10K——108K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 2, 2026Grant(A)53K—$053K
Feb 2, 2026Grant(A)121K—$0121K
Feb 1, 2026Option exercise(M)10K—$010K
Feb 1, 2026Option exercise(M)11K—$023K
Feb 1, 2026Option exercise(M)43K—$087K
Feb 1, 2026Option exercise(M)5K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001431531-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML