908 Devices (NASDAQ: MASS) shares preliminary Q4 and full-year 2025 results

Rhea-AI Filing Summary

908 Devices Inc. furnished a Form 8-K to report that it has announced preliminary financial results for the fourth quarter and fiscal year ended December 31, 2025. The company issued a press release on January 20, 2026 describing these preliminary results, which is included as Exhibit 99.1.

The information about results of operations and financial condition is being furnished under Item 2.02 of the Form 8-K and is not considered filed for purposes of certain liability provisions of the federal securities laws, unless specifically incorporated by reference in other filings.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

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Date of Report (Date of Earliest Event Reported): January 20, 2026

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908 Devices Inc.

(Exact name of registrant as specified in its charter)

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

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44 3rd Avenue, Burlington, MA 01803

(Address of principal executive offices, including zip code)

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(857) 254-1500

(Registrant’s telephone number, including area code)

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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:

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☐ 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))

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

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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

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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).

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Emerging growth company  ☐

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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.  ☐

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Item 2.02    Results of Operations and Financial Condition.

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On January 20, 2026, 908 Devices Inc. (“908 Devices”) announced its preliminary financial results for the fourth quarter and fiscal year ended December 31, 2025. A copy of the press release is being furnished as Exhibit 99.1 to this Report on Form 8-K.

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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.

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Item 9.01     Financial Statements and Exhibits.

 (d) Exhibits:

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Exhibit No.	​ ​ ​	Description
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99.1	​	Press release issued by 908 Devices on January 20, 2026
104	​	Cover Page Interactive Data File (embedded within the inline XBRL document)

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SIGNATURES

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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.

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Date: January 20, 2026	908 Devices Inc.
	By:	/s/ Mark S. Levine
		Name: Mark S. Levine
		Title: Chief Legal and Administrative Officer

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FAQ

What did 908 Devices Inc. (MASS) disclose in this Form 8-K?

908 Devices Inc. disclosed that it announced preliminary financial results for the fourth quarter and fiscal year ended December 31, 2025, with details provided in a press release furnished as Exhibit 99.1.

Which period do the preliminary results of 908 Devices (MASS) cover?

The preliminary results cover the fourth quarter and the full fiscal year ended December 31, 2025.

How did 908 Devices (MASS) provide its preliminary financial results to investors?

The company provided its preliminary financial results through a press release dated January 20, 2026, which is furnished as Exhibit 99.1 to the Form 8-K.

Is the 908 Devices (MASS) preliminary results information considered filed with the SEC?

No. The company states that the information furnished under Item 2.02 is not deemed to be filed for purposes of Section 18 of the Exchange Act and will not be incorporated by reference into other filings unless expressly stated.

Which exhibit in the 908 Devices (MASS) Form 8-K contains the preliminary results press release?

Exhibit 99.1 contains the press release issued by 908 Devices Inc. on January 20, 2026 with its preliminary financial results.

Who signed the 908 Devices (MASS) Form 8-K reporting preliminary results?

The Form 8-K was signed on behalf of 908 Devices Inc. by Mark S. Levine, Chief Legal and Administrative Officer.