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9D
908 Devices Inc. Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 19 May 2025.
908 Devices Inc.: what insiders have been doing
Every trade that managers of 908 Devices Inc. disclose to SEC (Form 4) is tracked on this page. The company sits in the Healthcare & Pharma sector and is based in Boston, United States. The last twelve months, up to 18 October 2026, brought 88 filings signed by 17 insiders.
The flow runs one way only: 50 sales worth €6.9M, from 6 insiders, and no purchase. No amount is published for 8 filings, which the totals therefore leave out. One trade stands out by size: a sale of €1.3M from AWM Investment Company, Inc., disclosed on 29 May 2026, or 0.35% of market capitalisation.
Across the 5,458 companies tracked on its exchange, the median is 22 filings; at 88 filings, this issuer sits above that mark. Looking back to 2021, when coverage begins, insiders filed 9 purchases and 108 sales. For the fiscal year to 31 December 2025, the annual 10-K puts revenue at 56.2 m USD and net income at 19.5 m USD.
Typically, a trade is published a median of 2 days after it takes place. The legal deadline for a Form 4 is two business days after the transaction. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning.
Elsewhere in the same sector, our signals recently picked up insider purchases at Anixa Biosciences Inc and Vivos Inc. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Insider Decl.
258
Thresholds
n/a
Buy Volume
€441,055
9 ops. · all time
Sell Volume
€17M
108 ops. · all time
Who traded when
BuySaleChristopher D. Brown17 sales
Kevin J. Knopp2 buys15 sales
AWM Investment Company, Inc.13 sales
Joseph H. Griffith IV10 sales
McCallion Kevin J.4 sales
Turner Michael S.4 sales
+2 other insiders
Since the insiders bought
- +41.3%Entry US$4.94 · Close at T+365 US$6.98
- +45.0%Entry US$4.58 · Close at T+365 US$6.64
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Analyst consensus: bullish or bearish?
Analysts rate 908 Devices Inc. Strong Buy (bullish), based on 4 analysts. Average price target: US$13.38.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 12,747 of 24,161 companies
50.0
score / 100
Value41
Quality59
FCF yld-5.3%
Earn yld4.2%
EV/EBITDA·
ROE-25%
Gross mgn51%
Net mgn35%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$11.26
Analyst consensus
4 analystsStrong buy
US$12.00Target US$13.38(+19%)US$14.00
Income statement
RevenueUS$56.2M
Gross profitUS$28.4M51% margin
EBITDA-US$21.2M-38% margin
Net incomeUS$19.5M-57.0% margin
Valuation
PER (forward)-36.6x
P/Book3.4x
Beta0.63
Balance sheet & cash
Market capUS$465.4M
Total debtUS$4.6M
Free Cash Flow-US$24.6M
Debt / Equity3%
Profitability & ownership
ROE-25.0%
ROA-6.8%
% insiders7.4%
% institutions83.8%
Last declaration on 9 October 2026
Declarations258 total
30,000 shares@ US$11.890.073% mcap5.8% of flowCommon StockSEC:0001836988-26-000027:0
60,000 shares@ US$1.750.021% mcap1.7% of flowCommon StockSEC:0001836988-26-000027:1
5,000 shares@ US$13.030.013% mcap4.5% of flowCommon StockSEC:0001431531-26-000009:0
5,000 shares@ US$12.800.013% mcap34.7% of flowCommonSEC144:0001950047-26-010082
18,000 shares@ US$11.51790.042% mcap6.2% of flowCommon StockSEC:0001535264-26-000054:0
1,000 shares@ US$11.250.0023% mcap0.4% of flowCommon StockSEC:0001535264-26-000053:0
24,000 shares@ US$11.35940.057% mcap8.6% of flowCommon StockSEC:0001535264-26-000053:1
1,000 shares@ US$10.000.0021% mcap2.9% of flowCommon StockSEC:0001836876-26-000011:1
5,257 shares@ US$10.220.011% mcap16.0% of flowCommon StockSEC:0001836876-26-000011:5
1,000 shares@ US$0.960.0002% mcap0.3% of flowCommon StockSEC:0001836876-26-000011:0
21,399 shares@ US$0.960.0043% mcap6.1% of flowCommon StockSEC:0001836876-26-000011:2
21,399 shares@ US$10.110.045% mcap63.8% of flowCommon StockSEC:0001836876-26-000011:3
5,257 shares@ US$0.960.0011% mcap1.5% of flowCommon StockSEC:0001836876-26-000011:4
27,656 shares@ US$9.730.056% mcap100.0% of flowCommonSEC144:0001950047-26-009504
30,000 shares@ US$10.580.065% mcap5.4% of flowCommon StockSEC:0001836988-26-000025:0
11,459 shares@ US$10.950.026% mcap8.7% of flowCommon StockSEC:0001431531-26-000007:0
11,459 shares@ US$10.920.026% mcap100.0% of flowCommonSEC144:0001950047-26-008669
8,422 shares@ US$10.52460.018% mcap2.7% of flowCommon StockSEC:0001535264-26-000052:0
41,578 shares@ US$10.61040.090% mcap13.6% of flowCommon StockSEC:0001535264-26-000052:1
20,000 shares@ US$10.250.045% mcap21.8% of flowCommonSEC144:0001628280-26-057299
7,622 shares@ US$10.060.016% mcap1.0% of flowCommon StockSEC:0001836523-26-000013:0
20,000 shares@ US$10.350.043% mcap2.7% of flowCommon StockSEC:0001836523-26-000013:1
348 shares@ US$9.060.0007% mcap0.0% of flowCommon StockSEC:0001836523-26-000011:0
115,748 shares@ US$9.830.24% mcap14.6% of flowCommon StockSEC:0001836523-26-000011:1
30,170 shares@ US$10.160.063% mcap3.9% of flowCommon StockSEC:0001836523-26-000011:2
25 of 258 declarations
About 908 Devices Inc.
908 Devices Inc. is a U.S.-based company listed on the Nasdaq market in the United States under the ticker MASS. Founded in Boston in 2012, the company has built a focused niche in handheld and portable chemical analysis instruments used for point-of-need detection. Its core mission is to deliver fast, actionable answers in high-stakes environments where time, mobility, and analytical confidence matter: public safety, homeland security, defense, and certain health- and industrial-safety use cases. The company’s heritage is strongly tied to Boston, and its operational footprint has expanded with R&D and production capabilities in the U.S., including facilities in Massachusetts, Connecticut, and North Carolina.
At the center of 908 Devices’ business model is a portfolio of portable devices designed to identify unknown substances at trace levels. The flagship MX908 platform is the best-known product and uses high-pressure mass spectrometry for trace chemical identification. The company also offers complementary tools and device families for detecting drugs, explosives, hazardous materials, and toxic compounds, with applications ranging from first responders and law enforcement to hazmat teams, military customers, and selected industrial or laboratory environments. A key part of the value proposition is software-enabled workflow simplification, which helps customers interpret results quickly and reliably in the field.
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From a competitive standpoint, 908 Devices occupies a specialized but strategically attractive segment of analytical instrumentation. Its differentiation lies in portability, speed, and the ability to generate actionable intelligence in real time. This positioning is particularly relevant in the United States, where demand is supported by the opioid crisis, public-safety modernization, and elevated defense and security priorities. The company also streamlined its portfolio in 2025 by selling its bioprocessing and desktop analytics business to Repligen, allowing management to focus more narrowly on frontline chemical detection and related high-value applications.
Recent developments have been important for the investment case. In early 2026, 908 Devices reported strong preliminary and full-year 2025 results, including revenue growth and positive Adjusted EBITDA in the fourth quarter of 2025. Management also raised its 2026 revenue outlook, signaling confidence in continued demand across public-sector and defense channels. In May 2026, the company announced the acquisition of NIRLAB AG, which expanded its narcotics detection portfolio. Overall, 908 Devices remains a technology-driven small-cap growth story with exposure to public-sector budgets, product adoption cycles, and execution risk, but also with clear structural tailwinds in chemical detection and security-focused analytics.
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