In the 12 months to Nov 8, 2026, on the open market: sold $2.3M of MASS. Filed a median of 1 business day after the trade.
Open-market purchases and sales this filer reported on SEC Form 4, by the day traded. Insiders have two business days to file. A sale marked 10b5-1 was made under a plan adopted in advance. How to read these
Insider purchases above the line: $0Insider sales below: $2.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.
MASSSold: 908 Devices Inc. Aug 17, 202620,000 sharesfiled Aug 17, 2026555,968 shares held directly after, as filed10b5-1 planfiling$207K
MASSSold: 908 Devices Inc. Aug 13, 20267,622 sharesfiled Aug 17, 2026575,968 shares held directly after, as filed10b5-1 planfiling$77K
MASSSold: 908 Devices Inc. Aug 12, 20262,747 sharesfiled Aug 12, 2026583,590 shares held directly after, as filed10b5-1 planfiling$28K
MASSSold: 908 Devices Inc. Aug 11, 2026145,918 sharesfiled Aug 12, 20262 transactions10b5-1 planfiling$1.4M
MASSSold: 908 Devices Inc. Aug 10, 2026348 sharesfiled Aug 12, 2026732,255 shares held directly after, as filed10b5-1 planfiling$3K
MASSSold: 908 Devices Inc. Jul 2, 2026222 sharesfiled Jul 7, 2026732,603 shares held directly after, as filed10b5-1 planfiling$2K
MASSSold: 908 Devices Inc. Jun 26, 20262,798 sharesfiled Jun 30, 2026732,825 shares held directly after, as filed10b5-1 planfiling$25K
MASSSold: 908 Devices Inc. Jun 25, 202616,388 sharesfiled Jun 25, 2026735,623 shares held directly after, as filed10b5-1 planfiling$149K
MASSSold: 908 Devices Inc. Jun 24, 202640,535 sharesfiled Jun 25, 2026752,011 shares held directly after, as filed10b5-1 planfiling$370K
MASSSold: 908 Devices Inc. Jun 23, 20263,422 sharesfiled Jun 25, 2026792,546 shares held directly after, as filed10b5-1 planfiling$31K
Source: SEC Form 4 filings. Value is shares × the price reported on the filing; a filing whose price failed Lytir's check against the market price is left out, and a trade that related owners reported on separate forms is counted once. Filings can be late, amended or wrong at the source; see methodology.