908 Devices Inc. — Director's Dealing 2021

Jun 21, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 908 Devices Inc. (MASS)
CIK: 0001555279
Period of Report: 2021-06-17

Reporting Person: Spoto Mark (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-17	Stock Option (option to buy)	$41.70	A	2455	Acquired	2031-06-17	Common Stock, par value $0.001 (2455)	Direct
2021-06-17	Restricted Stock Unit	$	A	1379	Acquired		Common Stock, par value $0.001 (1379)	Direct

Footnotes

F1: The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 12 months following June 17, 2021, 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 become fully vested on June 17, 2022 or the 2022 Annual Meeting of the Stockholders of 908 Devices Inc., whichever occurs first, subject to the reporting person's continued service through the applicable vesting date, provided that, if the reporting person terminates their service for any reason, then a prorated number of RSUs will vest. The RSUs have no expiration date.