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MASS

908 Devices Inc.Open

12.04+0.22 +1.86%USD

NasdaqGM · as of Oct 13, 12:35 ET · 15m delay

Open

11.82

Prev close

11.82

Day range

11.6512.04

52-week range

5.0313.35

Volume

67.28K0.16×

Mkt cap

497.66M

P/E ttm

—

Fwd P/E

-39.15

EPS ttm

-0.9400

Div yield

0.00%

Earnings

Aug 11, 2026

From 52w high

−9.80%

Price Chart

Yahoo Finance · delayed

MASSOct 13, 2026O 11.82H 12.04L 11.65C 12.04+0.22 (+1.86%)Vol 67.28K

SMA 5010.63
SMA 2007.95

1Y change +50.50% since Oct 10, 2025 close540 bars loadedTimes in America/New_YorkDraw from the left toolbar · click a drawing to edit · right-click for alerts and export

MASS 908 Devices Inc. · Last Guard Finance

DES

Key Statistics

Yahoo Finance

Performance

1 week: −2.35%
1 month: +26.47%
3 months: +47.55%
6 months: +64.48%
Year to date: +129.33%
1 year: +52.99%

Valuation & ownership

Market cap: 497.66M
Enterprise value: 391.33M
P/E (ttm): —
Forward P/E: -39.15
PEG ratio: —
Price / book: 3.61
Price / sales (ttm): 8.18
EV / EBITDA: -23.73
EPS (ttm): -0.9400
EPS (forward): -0.3075
Beta (5y monthly): 0.63
Dividend yield: 0.00%
Payout ratio: —
Shares outstanding: 41.33M
Float: 28.07M
Short % of float: 12.85%
Short ratio (days): 7.55
Held by insiders: 7.45%
Held by institutions: 83.88%
Avg volume (3m): 412.83K
50-day average: 10.55
200-day average: 7.91
52-week change: +52.99%
S&P 500 52-week: +17.50%

Technicals (daily)

RSI (14): 58.6
vs 50-day SMA: +13.31%
vs 200-day SMA: +51.50%
50 / 200-day trend: ▲ 50 above 200
MACD vs signal: ▼ below
ATR (14) % of price: 5.01%
Realised vol (20d, ann.): 56.9%
From 52-week high: −9.80%
From 52-week low: +139.60%

ANR

Analyst Consensus

4 analysts

Consensus

—

Mean target

13.38

+11.09% implied

Low 12.00Median 13.75High 14.00

Recommendation trend

Now6 / 0 / 0
1m ago5 / 0 / 0
2m ago

DES

About 908 Devices Inc.

Yahoo Finance profile

908 Devices Inc. provides purpose-built handheld mass spectrometry and fourier transform infrared (FTIR) devices for use in vital health and safety applications. The company's products include MX908, a handheld, battery-powered, and Mass Spec device that is designed for rapid analysis of solid, liquid, vapor, and aerosol materials of unknown identity; XplorIR, a handheld device that uses FTIR spectroscopy to identify, quantify, and track gases and vapors; ThreatID, a portable FTIR device that rapidly detects and identifies approximately 28,000 unknown gas, vapor, powder, and liquid chemical hazards; ProtectIR, a handheld FTIR device that can identify approximately 23,000 solid and liquid chemical hazards; and VipIR, a handheld 3-in-1 analyzer that integrates FTIR, Raman spectroscopy, and smart spectral processing (SSP), a proprietary algorithm, to provide a single result from just one sample. It operates in the United States, Europe, the Middle East, Africa, the Asia Pacific, and rest of Americas. The company was incorporated in 2012 and is headquartered in Burlington, Massachusetts.

Sector: Healthcare
Industry: Medical Devices
Employees: 172
Headquarters: Burlington, MA, United States
Website: 908devices.com
Officers: Dr. Kevin J. Knopp Ph.D. Co-Founder, CEO, President & Director
Dr. Christopher David Brown Ph.D. Co-Founder, Board Advisor & Director

SEAS

Seasonality · MASS

2020–2026 · monthly returns

Strongest month Mar +20.75%Weakest month Nov −11.79%Averages use completed years only. Past seasonality doesn't predict future returns.

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2026	20.2	9.4	-11.3	11.6	23.1	3.4	-7.9	33.2	15.7	-2.4			+129.3%
2025	13.6	-10.4	100.0	21.2	4.6	25.5	-8.1	-4.6	40.2	-8.9	-20.4	-17.3	+138.6%
2024	-36.9	3.8	2.7	-24.5	10.5	-18.3	10.5	-30.6	-12.2	-9.7	-12.6	-19.7	−80.4%
2023	22.3	-3.4	-4.4	-21.4	28.8	-21.2	1.5	3.3	-7.4	-11.0	34.2	41.0	+47.2%
2022	-38.8	5.1	14.3	-6.6	-21.6	47.9	9.3	-10.4	-18.4	-2.8	-33.1	-28.8	−70.5%
2021	-3.2	-3.5	-8.8	9.3	-20.5	-8.0	-19.4	15.2	-9.7	1.2	-27.1	7.8	−54.6%
2020													—

INSD

Insider Activity · MASS

Market-wide insider buying →Congress trades →SEC Form 4 filings via Yahoo Finance

Buys, 6 months

152.6K shares

Sells, 6 months

927.9K shares

Net shares

−775.4K

Net change in insider shares

−20.10%

Date	Insider	Transaction	Shares	Value
Oct 5, 2026	Griffith Joseph H. IvChief Financial Officer	Sale at price 13.03 per share.	5K	$65.15K
Sep 28, 2026	Awm Investment Company, Inc.Beneficial Owner of more than 10% of a Class of Security	Sale at price 11.52 per share.	18K	$207.32K
Sep 16, 2026	Kenneweg John WesleyOfficer	Conversion of Exercise of derivative security at price 0.96 per share.	27.7K	$26.55K
Sep 16, 2026	Kenneweg John WesleyOfficer	Sale at price 10.00 - 10.22 per share.	27.7K	$280.07K
Sep 1, 2026	Brown Christopher DDirector	Sale at price 10.58 per share.	30K	$317.40K
Aug 24, 2026	Griffith Joseph H. IvChief Financial Officer	Sale at price 10.95 per share.	11.5K	$125.48K
Aug 20, 2026	Awm Investment Company, Inc.Beneficial Owner of more than 10% of a Class of Security	Sale at price 10.52 - 10.61 per share.	50K	$529.80K
Aug 16, 2026	Knopp Kevin JChief Executive Officer	Sale at price 10.06 - 10.35 per share.	27.6K	$283.68K
Aug 11, 2026	Knopp Kevin JChief Executive Officer	Sale at price 9.06 - 10.16 per share.	149K	$1.48M
Aug 10, 2026	Brown Christopher DDirector	Sale at price 9.03 - 9.23 per share.	17.8K	$162.41K
Aug 4, 2026	Brown Christopher DDirector	Sale at price 8.49 per share.	20K	$169.80K
Aug 3, 2026	Awm Investment Company, Inc.Beneficial Owner of more than 10% of a Class of Security	Sale at price 8.36 per share.	50K	$417.76K
Jul 30, 2026	Vann Brandi C. Ph.D.Director	—	5.2K	—
Jul 1, 2026	Brown Christopher DDirector	Sale at price 9.02 per share.	2.2K	$19.84K
Jul 1, 2026	Knopp Kevin JChief Executive Officer	Sale at price 9.07 per share.	222	$2.01K
Jun 29, 2026	Brown Christopher DDirector	Sale at price 8.84 per share.	20K	$176.80K
Jun 25, 2026	Knopp Kevin JChief Executive Officer	Sale at price 9.09 per share.	2.8K	$25.43K
Jun 24, 2026	Leonhart Michele MDirector	—	6.5K	—
Jun 24, 2026	Knopp Kevin JChief Executive Officer	Sale at price 9.06 - 9.14 per share.	60.3K	$550.62K
Jun 22, 2026	Brown Christopher DDirector	Sale at price 9.04 per share.	9.9K	$89.50K

13F

Investors Holding MASS

latest 13F filings of 29 followed managers

Investors holding MASS
Investor	Value	Of portfolio	Shares	Change	Quarter
ARK Investment Management · Cathie Wood	$17.6M	0.11%	2.03M	+4.2%	Q2 2026
Renaissance Technologies	$1.7M	0.00%	191.90K	−17%	Q2 2026

From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors

MASS

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MASS

Price Chart

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About 908 Devices Inc.

Seasonality · MASS

Insider Activity · MASS

Congress Trades · MASS

Investors Holding MASS

Investors Holding MASS

Congress Trades · MASS

Seasonality · MASS

Insider Activity · MASS

Key Statistics

Performance

Valuation & ownership

Technicals (daily)

Analyst Consensus

About 908 Devices Inc.

Financial Snapshot

Earnings & Dividends

News