InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2024-04-02 00:00:00 ET · period of report 2024-04-01 · accession 0001562180-24-003150 · 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
D 2024-04-02 2024-04-01 MASS Brown Christopher D. Chief Product Off M - OptEx $1.75 +3,600 885.0K +0.4% +$6,300
D 2024-04-02 2024-04-01 MASS Brown Christopher D. Chief Product Off M - OptEx $0.00 -3,600 114.3K -3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2024-04-01 M A 3,600 $1.75 884,994 D — — (F1) The number of securities reported in this column has been adjusted to reflect a prior option exercise and prior calculation error.
2 Derivative Stock Option (Right to Buy) 2024-04-01 M D 3,600 $0.00 114,318 D $1.75 · — to 2027-06-22 117,918 Common Stock (F2) The shares underlying the option are fully vested and immediately exercisable.