Kevin J. Knopp - Mar 3, 2025 Form 4 Insider Report for 908 Devices Inc. (MASS)

Role
President and CEO, Director
Signature
/s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol
MASS
Transactions as of
Mar 3, 2025
Transactions value $
$0
Form type
4
Date filed
3/5/2025, 04:43 PM
Previous filing
Feb 4, 2025
SEC
View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MASS Stock Option (option to buy) Award $0 +90.5K $0.00 90.5K Mar 3, 2025 Common Stock, par value $0.001 90.5K $1.98 Direct F1
transaction MASS Restricted Stock Units Award $0 +199K $0.00 199K Mar 3, 2025 Common Stock, par value $0.001 199K Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-third of the shares underlying the option become vested and exercisable on February 1, 2026, and the remaining two-thirds of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 24 months following February 1, 2026, subject to the reporting person's continued service through the applicable vesting date.
F2 Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.
F3 The RSUs shall vest one-third on February 1, 2026, with the remaining two-thirds vesting in two substantially equal annual installments at the two anniversary dates following February 1, 2026, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.