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908 Devices Inc. (MASS)

908 Devices Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

908 Devices Inc. (MASS) is a Medical - Devices company based in US with a market capitalization of $322.7M. Revenue declined 5.8% year-over-year and free cash flow was negative at -$24.6M. This page tracks MASS's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 246 employees · IPO Dec 18, 2020

Valuation

Valuation & price

$6.90 · as of May 17, 2026 · -24.6% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

2.25

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$9.15$7.12$5.09Jul 25Dec 25Jul 26Jul 7, 25$6.41Jul 9, 25$7.07Jul 11, 25$6.94Jul 15, 25$6.50Jul 17, 25$6.78Jul 21, 25$6.96Jul 23, 25$7.33Jul 25, 25$7.42Jul 29, 25$6.95Jul 31, 25$6.55Aug 4, 25$6.52Aug 6, 25$6.54Aug 11, 25$6.43Aug 13, 25$7.05Aug 15, 25$6.63Aug 19, 25$6.20Aug 21, 25$6.02Aug 25, 25$6.27Aug 27, 25$6.30Aug 29, 25$6.25Sep 3, 25$5.52Sep 5, 25$5.44Sep 9, 25$5.65Sep 11, 25$5.72Sep 16, 25$6.16Sep 18, 25$6.82Sep 22, 25$7.55Sep 24, 25$7.56Sep 26, 25$8.01Sep 30, 25$8.76Oct 2, 25$8.75Oct 6, 25$8.76Oct 8, 25$9.15Oct 10, 25$8.00Oct 14, 25$8.19Oct 16, 25$8.68Oct 21, 25$8.77Oct 23, 25$8.40Oct 27, 25$8.33Oct 29, 25$7.69Oct 31, 25$7.98Nov 4, 25$7.75Nov 6, 25$7.80Nov 10, 25$6.40Nov 12, 25$5.90Nov 14, 25$5.48Nov 18, 25$5.35Nov 20, 25$5.70Nov 25, 25$6.46Nov 28, 25$6.35Dec 2, 25$6.09Dec 4, 25$6.65Dec 8, 25$6.68Dec 10, 25$6.58Dec 12, 25$5.98Dec 16, 25$5.78Dec 18, 25$5.43Dec 22, 25$5.93Dec 24, 25$5.45Dec 29, 25$5.33Jan 2, 26$5.09Jan 6, 26$5.40Jan 8, 26$5.42Jan 12, 26$5.48Jan 14, 26$5.44Jan 16, 26$5.47Jan 21, 26$6.73Jan 23, 26$6.84Jan 27, 26$6.83Jan 29, 26$6.35Feb 2, 26$6.19Feb 4, 26$6.33Feb 9, 26$6.89Feb 11, 26$6.60Feb 13, 26$6.49Feb 18, 26$6.88Feb 20, 26$6.67Feb 24, 26$6.79Feb 26, 26$6.96Mar 2, 26$6.61Mar 4, 26$6.74Mar 6, 26$6.26Mar 10, 26$6.26Mar 12, 26$6.01Mar 17, 26$6.22Mar 19, 26$6.09Mar 23, 26$6.11Mar 25, 26$6.32Mar 27, 26$5.78Mar 31, 26$6.12Apr 2, 26$6.61Apr 7, 26$6.76Apr 9, 26$6.96Apr 13, 26$7.20Apr 15, 26$7.37Apr 17, 26$7.16Apr 22, 26$7.13Apr 24, 26$6.74Apr 28, 26$6.74Apr 30, 26$6.83May 4, 26$6.55May 6, 26$8.06May 8, 26$8.17May 12, 26$7.65May 14, 26$7.30May 18, 26$6.64May 20, 26$6.98May 22, 26$7.28May 28, 26$8.93Jun 1, 26$8.63Jun 3, 26$8.66Jun 5, 26$7.93Jun 9, 26$7.99Jun 11, 26$8.22Jun 15, 26$8.62Jun 17, 26$8.58Jun 22, 26$8.66Jun 24, 26$8.97Jun 26, 26$8.78Jul 2, 26$8.84
$5.0952-week range$9.15
Loading valuation history…

Fundamentals

Key fundamentals

$322.7M

Market cap

-5.8%

Revenue growth (YoY)

47.7%

Gross margin

-$24.6M

Free cash flow (USD)

-$96.3M

Net debt

Net cash position

6.3%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2018 → 2025

FY 2018$22.1MFY 2019$18.0MFY 2020$26.9MFY 2021$42.2MFY 2022$46.9MFY 2023$50.2MFY 2024$59.6MFY 2025$56.2M
$22.1M$56.2M

Free cash flow by year

2018 → 2025

FY 2018$-9.6MFY 2019$-11.4MFY 2020$4.1MFY 2021$-29.8MFY 2022$-23.0MFY 2023$-27.1MFY 2024$-30.8MFY 2025$-24.6M
-$9.6M-$24.6M

Gross margin by year

2021 → 2025

FY 202155.0%FY 202255.5%FY 202350.4%FY 202450.2%FY 202547.7%
55.0%47.7%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

18

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $25K · 10b5-1 PlanKnopp Kevin J. · Director, President and CEO · $25.4KJun 30, 2026Filing
  • Insider sellInsider Sell $551K · 10b5-1 PlanKnopp Kevin J. · Director, President and CEO · $550.6KJun 25, 2026Filing
  • Insider sellInsider Sell $89K · 10b5-1 PlanBrown Christopher D. · Director · $89.5KJun 25, 2026Filing
  • Insider sellInsider Sell $69KAWM Investment Company, Inc. · 10% Owner · $69.4KJun 24, 2026Filing
  • 8-K eventAnnual Meeting ResultsJun 12, 2026Filing
  • Insider sellInsider Sell $900 · 10b5-1 PlanBrown Christopher D. · Director · $900Jun 5, 2026Filing
  • Insider sellInsider Sell $175K · 10b5-1 PlanBrown Christopher D. · Director · $174.6KJun 4, 2026Filing
  • Insider sellInsider Sell $379KAWM Investment Company, Inc. · 10% Owner · $379.2KJun 4, 2026Filing
  • Insider sellInsider Sell $63K · 10b5-1 PlanGriffith Joseph H. IV · Chief Financial Officer · $62.7KMay 29, 2026Filing
  • Insider sellInsider Sell $270K · 10b5-1 PlanBrown Christopher D. · Director · $270KMay 29, 2026Filing

Questions

Frequently asked questions

What is 908 Devices Inc.'s market cap?

908 Devices Inc. (MASS) has a market capitalization of $322.7M.

What is MASS's P/E ratio?

A meaningful P/E ratio is not available for MASS — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is MASS's price-to-book (P/B) ratio?

MASS trades at 2.25 times book value per share.

Are insiders buying MASS stock?

SEC Form 4 filings show no open-market insider buys at 908 Devices Inc. in the last 90 days (18 sells).

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Timeline

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.