Christopher D. Brown - Mar 1, 2023 Form 4 Insider Report for 908 Devices Inc. (MASS)

Role
Chief Technology Officer
Signature
/s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol
MASS
Transactions as of
Mar 1, 2023
Transactions value $
$0
Form type
4
Date filed
3/16/2023, 04:33 PM
Previous filing
Feb 3, 2023
Next filing
May 25, 2023

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 (option to buy) Award $0 +45K $0.00 45K Mar 1, 2023 Common Stock, par value $0.001 45K $8.83 Direct F1
transaction MASS Restricted Stock Unit Award $0 +29.7K $0.00 29.7K Mar 1, 2023 Common Stock, par value $0.001 29.7K Direct F2, F3
* 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 February 1, 2024, 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, 2024, 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 RSUs shall vest 25% on February 1, 2024, with the remaining 75% vesting in three substantially equal annual installments at the three anniversary dates following February 1, 2024, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.

Remarks:

This Form 4 is being filed late due to an inadvertent administrative error.