In the 12 months to Nov 8, 2026, on the open market: sold $1.5M of MASS. Filed a median of 2 business days 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: $1.5M
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. Sep 29, 202618,000 sharesfiled Oct 1, 20264,736,773 shares held indirectly after, as filedfiling$207K
MASSSold: 908 Devices Inc. Sep 24, 202624,000 sharesfiled Sep 25, 20264,754,773 shares held indirectly after, as filedfiling$273K
MASSSold: 908 Devices Inc. Sep 23, 20261,000 sharesfiled Sep 25, 20264,755,773 shares held indirectly after, as filedfiling$11K
MASSSold: 908 Devices Inc. Aug 21, 202641,578 sharesfiled Aug 24, 20264,779,773 shares held indirectly after, as filedfiling$441K
MASSSold: 908 Devices Inc. Aug 20, 20268,422 sharesfiled Aug 24, 20264,821,351 shares held indirectly after, as filedfiling$89K
MASSSold: 908 Devices Inc. Aug 4, 202650,000 sharesfiled Aug 6, 20264,829,773 shares held indirectly after, as filedfiling$418K
MASSSold: 908 Devices Inc. Jun 23, 20263,050 sharesfiled Jun 24, 20264,879,773 shares held indirectly after, as filedfiling$27K
MASSSold: 908 Devices Inc. Jun 22, 20264,668 sharesfiled Jun 24, 20264,882,823 shares held indirectly after, as filedfiling$42K
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.