InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2021-12-09 00:00:00 ET · period of report 2021-12-07 · accession 0001562180-21-007601 · 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 2021-12-09 2021-12-07 MASS Basarsky Trent A. VP, Corp. Development M - OptEx $1.75 +10.0K 45.0K +29% +$17.5K
D 2021-12-09 2021-12-07 MASS Basarsky Trent A. VP, Corp. Development M - OptEx $0.00 -10.0K 75.8K -12% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.001 2021-12-07 M A 10,000 $1.75 45,000 D — —
2 Derivative Stock Option (option to buy) 2021-12-07 M D 10,000 $0.00 75,779 D $1.75 · — to 2027-04-26 85,779 Common Stock, par value $0.001 (F2) On September 27, 2021, the reporting person filed a Form 4/A which inadvertently understated the remaining number of options available for exercise under this stock option by 7,275 shares. This Form 4 corrects the error caused by such understatement in Column 9 of Table II by increasing the total amount of derivative securities subject to this stock option by such 7,275 shares. (F1) The shares underlying the option are fully vested and immediately exercisable.