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AFTER HRS · 18:10 ET
Market ClerkRecap
Wed Oct 21 · after hours2 signals today106 insider buys this week · $305.5MCIRO short report next: Oct 31The week ahead

MASS

908 Devices Inc.
NASDAQ · TECHNOLOGY · LABORATORY ANALYTICAL INSTRUMENTS
11.80
+0.29 +2.52%
USD · close Oct 21

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MKT CAP $487.7MP/E —DIV YIELD —FCF YIELD 0.13%REV TTM $60.8M +13.4%NET INCOME −$34.7MNET CASH $48M52W 5.09 – 12.80NEXT EARNINGS Nov 10SEC XBRL · TTM TO Invalid Date

One year, everything drawn on

252 SESSIONS · DAILY CLOSES
13107.454.47Oct 7 · Director sell $357KOct 6 · Chief Financial Officer sell $65KSep 29 · 10% owner sell $207KSep 24 · 10% owner sell $273KSep 23 · 10% owner sell $11KSep 17 · SVP, Sales & Product Marketing sell $54KSep 16 · SVP, Sales & Product Marketing sell $216KSep 15 · SVP, Sales & Product Marketing sell $10KSep 2 · Director sell $317KAug 25 · Chief Financial Officer sell $125KAug 21 · 10% owner sell $441KAug 20 · 10% owner sell $89KAug 11 · 10-Q filed (Q2 2026)Aug 11 · 10-Q filed (Q1 2026)Mar 9 · 10-K filed (FY 2025)Mar 9 · 10-K filed (Q4 2025)Nov 10 · 10-Q filed (Q3 2025)Aug 11 · 10-Q filed (Q2 2025)Aug 11 · 10-Q filed (Q1 2025)Mar 9 · 10-K filed (FY 2024)Mar 9 · 10-K filed (Q4 2024)Nov 10 · 10-Q filed (Q3 2024)Nov 10 · 10-Q filed (Q2 2024)Nov 10 · 10-Q filed (Q1 2024)OCT 2025JAN 2026APRJUL
Insider buyInsider sellCongress buy, above the lineCongress sell, below10-K / 10-Q filedHOVER A MARKER FOR THE FILING
THE WORK ORDER · 2026-10-21
Insiders (90d): $2.2M net selling
Shorts (latest report): 2.8M short · +17K last period
Every line of the math
37FLAG

Congress is trading it

No STOCK Act disclosure names MASS.

Insider activity

ALL 12
DateInsiderTypeValue
Oct 7DirectorSell$357K
Oct 6Chief Financial OfficerSell$65K
Sep 2910% ownerSell$207K
Sep 2410% ownerSell$273K
Sep 2310% ownerSell$11K
Sep 17SVP, Sales & Product MarketingSell$54K
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