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CIK 0001555279 · Non-accelerated filer<br>Smaller reporting company

908 Devices Inc.

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Ticker
MASS
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
454524096
Phone
978-729-4478
Business address
44 THIRD AVENUE, BURLINGTON, MA, 01803
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$2,701,292
in 10 filings, $1.7M under 10b5-1 plans

Net −$2,701,292. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-05-11 AWM Investment Company, Inc. 10% owner Sale −5,000 $8.25 $41K 5,116,715
2026-05-08 Kenneweg John SVP, Sales & Product Marketing Sale −18,255 $8.11 $148K 57,784
2026-05-08 AWM Investment Company, Inc. 10% owner Sale −3,025 $8.20 $25K 5,121,715
2026-05-07 AWM Investment Company, Inc. 10% owner Sale −12,819 $8.20 $105K 5,124,740
2026-05-06 AWM Investment Company, Inc. 10% owner Sale −5,000 $8.00 $40K 5,194,924
2026-05-06 AWM Investment Company, Inc. 10% owner Sale −57,365 $8.06 $462K 5,137,559
2026-05-06 Brown Christopher D. Director Sale 10b5-1 −20,000 $7.23 $145K 925,559
2026-05-01 Kenneweg John SVP, Sales & Product Marketing Option exercise +26,042 83,826
2026-05-01 Kenneweg John SVP, Sales & Product Marketing Sale −7,787 $6.83 $53K 76,039
2026-05-01 Kenneweg John SVP, Sales & Product Marketing Option exercise · Performance Stock Units −26,042 0
2026-04-28 Kenneweg John SVP, Sales & Product Marketing Grant or award · Performance Stock Units +26,042 26,042
2026-04-21 Otitoju Kolawole A. Chief Bus. & Strategy Officer Grant or award · Stock Option (right to buy) +146,789 146,789
2026-04-21 Otitoju Kolawole A. Chief Bus. & Strategy Officer Grant or award · Restricted Stock Units +110,193 110,193
2026-04-10 McCallion Kevin J. SVP, Products and Production Option exercise 10b5-1 +2,693 $1.05 $3K 47,618
2026-04-10 McCallion Kevin J. SVP, Products and Production Sale 10b5-1 −2,693 $7.01 $19K 44,925
2026-04-10 McCallion Kevin J. SVP, Products and Production Option exercise · Stock Option (right to buy) 10b5-1 −2,693 0
2026-04-10 Brown Christopher D. Director Sale 10b5-1 −17,578 $7.07 $124K 945,559
2026-04-09 McCallion Kevin J. SVP, Products and Production Option exercise 10b5-1 +5,420 $1.05 $6K 50,345
2026-04-09 McCallion Kevin J. SVP, Products and Production Sale 10b5-1 −5,420 $7.03 $38K 44,925
2026-04-09 McCallion Kevin J. SVP, Products and Production Option exercise · Stock Option (right to buy) 10b5-1 −5,420 2,686

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