LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM

Reporting ownerCIK 0001836523

Kevin J. Knopp

22 transactions in one company, from February 1, 2026 to August 17, 2026.

By company

Where this insider traded.

Company	Ticker	Trades	Bought	Sold
908 Devices Inc.	MASS	22	—	$2.6M

22 in total, newest filings first.

Company	Ticker	Insider	Date	Code	Shares	Price	Value
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 17	SPLAN	20,000	$10.35	$207K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 13	SPLAN	7,622	$10.06	$77K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 12	SPLAN	2,747	$10.07	$28K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 11	SPLAN	30,170	$10.16	$307K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 11	SPLAN	115,748	$9.83	$1.1M
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Aug 10	SPLAN	348	$9.06	$3K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Jul 2	SPLAN	222	$9.07	$2K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Jun 26	SPLAN	2,798	$9.09	$25K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Jun 25	SPLAN	16,388	$9.10	$149K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Jun 24	SPLAN	40,535	$9.14	$370K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Jun 23	SPLAN	3,422	$9.06	$31K
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 2	A	90,043	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 2	A	205,978	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 1	M	66,288	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 1	M	17,007	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 1	M	13,449	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEODERIV	Feb 1	M	11,255	$0.00	—?
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Feb 2	S	34,764	$6.18	$215K
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Feb 1	M	66,288	—	—
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Feb 1	M	17,007	—	—
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Feb 1	M	13,449	—	—
908 Devices Inc.	MASS	Kevin J. KnoppCEO	Feb 1	M	11,255	—	—