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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
2026-04-09 Brown Christopher D. Director Sale 10b5-1 −7,392 $7.04 $52K 963,137
2026-04-08 McCallion Kevin J. SVP, Products and Production Option exercise 10b5-1 +18,580 $1.05 $20K 63,505
2026-04-08 McCallion Kevin J. SVP, Products and Production Sale 10b5-1 −18,580 $7.05 $131K 44,925
2026-04-08 McCallion Kevin J. SVP, Products and Production Option exercise · Stock Option (right to buy) 10b5-1 −18,580 8,106
2026-04-08 Brown Christopher D. Director Sale 10b5-1 −15,030 $7.05 $106K 970,529
2026-03-02 McCallion Kevin J. SVP, Products and Production Option exercise 10b5-1 +7 $1.05 $7 44,932
2026-03-02 McCallion Kevin J. SVP, Products and Production Sale 10b5-1 −7 $7.00 $49 44,925
2026-03-02 McCallion Kevin J. SVP, Products and Production Option exercise · Stock Option (right to buy) 10b5-1 −7 26,686
2026-03-02 McCallion Kevin J. SVP, Products and Production Sale 10b5-1 −7 $7.00 $49 44,918
2026-02-02 Knopp Kevin J. President and CEO Sale −34,764 $6.18 $215K 795,968
2026-02-02 Knopp Kevin J. President and CEO Grant or award · Restricted Stock Units +205,978 205,978
2026-02-02 Knopp Kevin J. President and CEO Grant or award · Stock Option (option to buy) +90,043 90,043
2026-02-02 Griffith Joseph H. IV Chief Financial Officer Sale −23,175 $6.18 $143K 139,896
2026-02-02 Griffith Joseph H. IV Chief Financial Officer Grant or award · Restricted Stock Units +121,164 121,164
2026-02-02 Griffith Joseph H. IV Chief Financial Officer Grant or award · Stock Option (option to buy) +52,967 52,967
2026-02-01 Brown Christopher D. Director Option exercise +5,027 967,149
2026-02-01 Brown Christopher D. Director Option exercise +7,418 974,567
2026-02-01 Brown Christopher D. Director Option exercise +10,992 985,559
2026-02-01 Brown Christopher D. Director Option exercise · Restricted Stock Units −5,027 0
2026-02-01 Brown Christopher D. Director Option exercise · Restricted Stock Units −7,418 7,418

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