908 Devices Inc. — Director's Dealing 2020

Dec 22, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 908 Devices Inc. (MASS)
CIK: 0001555279
Period of Report: 2020-12-22

Reporting Person: BARTHELEMY NICOLAS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-22	Common Stock, par value $0.001	C	19541	—	Acquired	19541	Indirect
2020-12-22	Common Stock, par value $0.001	P	14000	$20.00	Acquired	14000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-22	Series E Preferred Stock	$	C	19541	Disposed		Common Stock, par value $0.001 (19541)	Indirect

Footnotes

F1: Each share of Series E Preferred Stock (the "Preferred Shares") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date.

F2: These securities are owned directly by The Barthelemy 2001 Trust. The reporting person and his spouse are trustees of The Barthelemy 2001 Trust and have joint voting and dispositive control with respect to all securities held by The Barthelemy 2001 Trust and may be deemed to be the beneficial owner of the securities held by The Barthelemy 2001 Trust.