FORM 4
☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Spoto Mark		 2. Issuer Name and Ticker or Trading Symbol

908 Devices Inc. [ MASS ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

C/O 908 DEVICES INC., 645 SUMMER STREET		 3. Date of Earliest Transaction (MM/DD/YYYY)

6/14/2023
(Street)

BOSTON, MA 02210		 4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
 6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)        (State)        (Zip)
Rule 10b5-1(c) Transaction Indication
☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 6/14/2023  M  4771.00 A (1)45194.00 D  
Common Stock         3599.00 I See Footnote (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)		2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)		8. Price of Derivative Security
(Instr. 5)		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units  (1)6/14/2023  M     4771.00   (3) (3)Common Stock 4771.00 $0.00 0.00 D  
Restricted Stock Units  (4)6/15/2023  A   7777.00     (5) (5)Common Stock 7777.00 $0.00 7777.00 D  
Stock Option (option to buy) $8.68 6/15/2023  A   12076.00     (6)6/15/2033 Common Stock 12076.00 $0.00 12076.00 D  
Explanation of Responses:
(1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested. This transaction represents the settlement of RSUs in shares of Common Stock on their scheduled vesting date.
(2) These securities are owned directly by Razor's Edge Ventures, LLC. The reporting person is a managing member of Razor's Edge Ventures, LLC and may be deemed to be the beneficial owner of the securities held by Razor's Edge Ventures, LLC. The reporting person disclaims beneficial ownership of the securities held by Razor's Edge Ventures, LLC except to the extent of his pecuniary interest therein.
(3) The RSUs became fully vested on June 14, 2023, the day prior to the 2023 Annual Meeting of the Stockholders of 908 Devices Inc. The RSUs have no expiration date.
(4) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.
(5) The RSUs become fully vested on June 15, 2024 or the day prior to the 2024 Annual Meeting of the Stockholders of 908 Devices Inc., whichever occurs first, subject to the reporting person's continued service through the applicable vesting date, provided that, if the reporting person terminates their service for any reason, then a prorated number of RSUs will vest. The RSUs have no expiration date.
(6) The shares underlying the option become vested and exercisable in substantially equal monthly installments over the 12 months following June 15, 2023, subject to the reporting person's continued service through the applicable vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Spoto Mark
C/O 908 DEVICES INC.
645 SUMMER STREET
BOSTON, MA 02210		X
Signatures
/s/ Michael S. Turner, as Attorney-in-Fact6/16/2023
**Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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