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: 2021-06-16

Reporting Person: Kenneweg John (Vice President, Government)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-16	Common Stock, par value $0.001	M	10000	$0.35	Acquired	10000	Direct
2021-06-16	Common Stock, par value $0.001	S	10000	$39.27	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-16	Stock Option (option to buy)	$0.35	M	10000	Disposed	2023-04-18	Common Stock, par value $0.001 (153033)	Direct

Footnotes

F1: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2: The shares underlying the option are fully vested and immediately exercisable.