Michele Fournier - Apr 29, 2022 Form 3 Insider Report for 908 Devices Inc. (MASS)

Role
Chief People Officer
Signature
/s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol
MASS
Transactions as of
Apr 29, 2022
Transactions value $
$0
Form type
3
Date filed
5/9/2022, 04:53 PM

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
holding MASS Stock Option (option to buy) Apr 29, 2022 Common Stock, par value $0.001 8.4K $44.45 Direct F1
holding MASS Restricted Stock Unit Apr 29, 2022 Common Stock, par value $0.001 3.8K Direct F2, F3
holding MASS Stock Option (option to buy) Apr 29, 2022 Common Stock, par value $0.001 29.4K $16.66 Direct F4
holding MASS Restricted Stock Unit Apr 29, 2022 Common Stock, par value $0.001 17.7K Direct F2, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Twenty-five percent of the shares underlying the option become vested and exercisable on April 12, 2022, and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following April 12, 2022, 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 5,062 initial RSUs shall vest 25% on April 12, 2022, with the remaining 75% vesting in three substantially equal annual installments over the following three years, subject to continued service through the applicable vesting date. The RSUs have no expiration date.
F4 Twenty-five percent of the shares underlying the option become vested and exercisable on February 1, 2023, and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following February 1, 2023, subject to the reporting person's continued service through the applicable vesting date.
F5 The RSUs shall vest 25% on February 1, 2023, with the remaining 75% vesting in three substantially equal annual installments at the three anniversary dates following February 1, 2023, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.

Remarks:

Exhibit - Power of Attorney