InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2023-12-21 00:00:00 ET · period of report 2023-12-19 · accession 0001562180-23-008536 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2023-12-21 2023-12-19 MASS Griffith Joseph H. IV CFO S - Sale $9.08 -5,580 86.0K -6% -$50.7K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-12-19 S D 5,580 $9.08 86,000 D — —