Nicolas Barthelemy - Jun 23, 2021 Form 4 Insider Report for 908 Devices Inc. (MASS)

Signature
/s/ Michael S. Turner, as Attorney-in-Fact
Stock symbol
MASS
Transactions as of
Jun 23, 2021
Transactions value $
-$505,310
Form type
4
Date filed
6/25/2021, 09:49 PM
Previous filing
Jun 21, 2021
Next filing
Nov 2, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MASS Common Stock, par value $0.001 Sale -$238K -6K -30.7% $39.63* 13.5K Jun 23, 2021 See Footnote F1, F2, F3
transaction MASS Common Stock, par value $0.001 Options Exercise $4.74K +3K $1.58* 3K Jun 23, 2021 Direct
transaction MASS Common Stock, par value $0.001 Sale -$119K -3K -100% $39.53* 0 Jun 23, 2021 Direct F1
transaction MASS Common Stock, par value $0.001 Options Exercise $6.32K +4K $1.58* 4K Jun 24, 2021 Direct
transaction MASS Common Stock, par value $0.001 Sale -$160K -4K -100% $40.00* 0 Jun 24, 2021 Direct F1

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) Options Exercise $0 -3K -6.1% $0.00 46.2K Jun 23, 2021 Common Stock,par value $0.001 49.2K $1.58 Direct F4
transaction MASS Stock Option (option to buy) Options Exercise $0 -4K -8.66% $0.00 42.2K Jun 24, 2021 Common Stock,par value $0.001 46.2K $1.58 Direct F4
* 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 $39.02 to $39.91, 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 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.
F4 The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following March 20, 2018, subject to the reporting person's continued service through the applicable vesting date.