Trent A. Basarsky - Aug 27, 2021 Form 4 Insider Report for 908 Devices Inc. (MASS)

Role
VP, Corporate Development
Signature
/s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol
MASS
Transactions as of
Aug 27, 2021
Transactions value $
-$66,520
Form type
4
Date filed
8/30/2021, 04:29 PM
Previous filing
Aug 25, 2021
Next filing
Sep 27, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MASS Common Stock Options Exercise $1.27K +728 +2.08% $1.75* 35.7K Aug 27, 2021 Direct
transaction MASS Common Stock Options Exercise $1.99K +1.14K +3.18% $1.75* 36.9K Aug 27, 2021 Direct
transaction MASS Common Stock Options Exercise $243 +139 +0.38% $1.75* 37K Aug 27, 2021 Direct
transaction MASS Common Stock Sale -$70K -2K -5.41% $34.96 35K Aug 27, 2021 Direct F1, F2

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 (Right to Buy) Options Exercise $0 -728 -0.84% $0.00 85.8K Aug 27, 2021 Common Stock 86.5K $1.75 Direct F3
transaction MASS Stock Option (Right to Buy) Options Exercise $0 -1.14K -1.32% $0.00 84.6K Aug 27, 2021 Common Stock 85.8K $1.75 Direct F3
transaction MASS Stock Option (Right to Buy) Options Exercise $0 -139 -0.16% $0.00 84.5K Aug 27, 2021 Common Stock 84.6K $1.75 Direct F3
* 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 $34.90 to $35.18, 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.
F3 Twenty-five percent of the shares underlying the option became vested and exercisable on January 8, 2018 and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following January 8, 2018, subject to the reporting person's continued service through the applicable vesting date.