InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2025-06-06 00:00:00 ET · period of report 2025-06-04 · accession 0001562180-25-004574 · 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
2025-06-06 2025-06-04 MASS Griffith Joseph H. IV CFO S - Sale $7.08 -6,940 102.9K -6% -$49.1K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-06-04 S D 6,940 $7.08 102,930 D — —