[8-K] 908 Devices Inc. Reports Material Event

Rhea-AI Filing Summary

908 Devices Inc. (MASS) furnished a press release announcing its financial results for the third quarter ended September 30, 2025. The release is attached as Exhibit 99.1 to a Form 8-K dated November 10, 2025.

The information under Item 2.02 is being furnished, not filed, under the Exchange Act. MASS’s common stock trades on The NASDAQ Global Market.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported): November 10, 2025

908 Devices Inc.

(Exact name of registrant as specified in its charter)

Delaware		001-39815		45-4524096
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

44 Third Avenue, Burlington, MA 01803

(Address of principal executive offices, including zip code)

(857) 254-1500
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.001 per share	MASS	The NASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 ( §230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Item 2.02 Results of Operations and Financial Condition.

On November 10, 2025, 908 Devices Inc. (“908 Devices”) announced its financial results for the third quarter ended September 30, 2025. A copy of the press release is being furnished as Exhibit 99.1 to this Report on Form 8-K.

The information contained in Item 2.02 of this Current Report on Form 8-K is being furnished and shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section and shall not be incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d)  Exhibits:

Exhibit No.		Description
99.1		Press release issued by 908 Devices on November 10, 2025
104		Cover Page Interactive Data File (embedded within the inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: November 10, 2025	908 Devices Inc.
	By:	/s/ Michael S. Turner
		Name: Michael S. Turner
		Title: Chief Legal and Administrative Officer

FAQ

What did 908 Devices (MASS) announce in this Form 8-K?

The company furnished a press release announcing financial results for the quarter ended September 30, 2025, as Exhibit 99.1.

Which quarter’s results did MASS report?

The third quarter ended September 30, 2025.

Is the earnings information considered filed or furnished?

It is being furnished under Item 2.02 of Form 8-K and not deemed filed under the Exchange Act.

Where can I find the detailed results for MASS?

In the press release attached as Exhibit 99.1 to the Form 8-K dated November 10, 2025.

What is MASS’s trading market and symbol?

Common stock trades on The NASDAQ Global Market under the symbol MASS.

Does the filing indicate emerging growth company status?

Yes, the filing marks 908 Devices as an emerging growth company.