Joseph H. Griffith IV - Nov 5, 2021 Form 4 Insider Report for 908 Devices Inc. (MASS)

Role: Chief Financial Officer
Signature: /s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol: MASS
Transactions as of: Nov 5, 2021
Transactions value $: -$109,424
Form type: 4
Date filed: 11/5/2021, 04:37 PM
Previous filing: Sep 10, 2021
Next filing: Mar 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MASS	Common Stock, par value $0.001	Sale	-$109K	-2.8K	-3.06%	$39.08^*	88.8K	Nov 5, 2021	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.01 to $39.24, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Content

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

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.01 to $39.24, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.