# EDGAR Filing Document

**Accession Number:** 0001555279
**File Stem:** 0001104659-26-026379
**Filing Date:** 2026-3
**Character Count:** 2195
**Document Hash:** 03fa81ea1b56fdce80a0268dd76945b3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-026379.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 0001104659-26-026379

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260311

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** 908 Devices Inc.
- **CENTRAL INDEX KEY:** 0001555279
- **STANDARD INDUSTRIAL CLASSIFICATION:** MEASURING & CONTROLLING DEVICES, NEC [3829]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 454524096
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 44 THIRD AVENUE
- **CITY:** BURLINGTON
- **STATE:** MA
- **ZIP:** 01803
- **BUSINESS PHONE:** 978-729-4478

**MAIL ADDRESS:**
- **STREET 1:** 44 THIRD AVENUE
- **CITY:** BURLINGTON
- **STATE:** MA
- **ZIP:** 01803

March 11, 2026

**<u>Via EDGAR Transmission</u>**

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C. 20549

**Re: 908 Devices Inc.**

**Acceleration Request for Registration Statement on Form S-3**

**File No. 333-294130**

Ladies and Gentlemen:

Pursuant to Rule 461 under the Securities Act of 1933, as amended (the "**Act**"), 908 Devices Inc. (the "**Company**") hereby requests that the effective date of the above-referenced registration statement (the "**Registration Statement**") be accelerated to March 13, 2026, at 4:01 p.m., Eastern Time, or as soon thereafter as practicable, unless we or our outside counsel, Cooley LLP, request by telephone that such Registration Statement be declared effective at some other time. In making this acceleration request, the Company acknowledges that it is aware of its responsibilities under the Act.

If you have any questions regarding this request, please contact Eric Blanchard of Cooley LLP at (617) 937-2445.

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| |
|:---|
| Sincerely, |
| 908 DEVICES INC. |
| /s/ Kevin J. Knopp |
| Kevin J. Knopp, Ph.D. |
| Chief Executive Officer |

---

cc: Joseph H. Griffith IV, Chief Financial Officer, 908 Devices Inc. <br> Mark S. Levine, Chief Legal and Administrative Officer <br> Eric Blanchard, Esq., Cooley LLP