InsiderTrades

Form 4/A for MASS 908 Devices Inc.

Accepted 2021-07-23 00:00:00 ET · period of report 2021-06-23 · accession 0001104659-21-095525 · 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
DMA 2021-07-23 2021-06-23+ MASS Basarsky Trent A. VP, Corp. Development S - Sale+OE $39.67 -42.0K 27.6K -60% -$1.67M
DMA 2021-07-23 2021-06-23+ MASS Basarsky Trent A. VP, Corp. Development M - OptEx $1.75 +42.0K 35.2K New +$73.5K
DMA 2021-07-23 2021-06-23+ MASS Basarsky Trent A. VP, Corp. Development M - OptEx $0.00 -42.0K 174.5K -19% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.001 2021-06-25 S D 2,726 $39.90 5,000 D — —
2 Common Common Stock, par value $0.001 2021-06-25 M A 2,726 $1.75 7,726 D — —
3 Common Common Stock, par value $0.001 2021-06-24 S D 9,074 $40.03 5,000 D — — (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.92 to $40.23, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
4 Common Common Stock, par value $0.001 2021-06-23 S D 22,637 $39.68 5,000 D — — (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.50 to $39.94, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
5 Common Common Stock, par value $0.001 2021-06-24 M A 9,074 $1.75 14,074 D — —
6 Common Common Stock, par value $0.001 2021-06-23 S D 7,563 $39.14 27,637 D — — (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.50 to $39.49, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
7 Common Common Stock, par value $0.001 2021-06-23 M A 30,200 $1.75 35,200 D — —
8 Derivative Stock Option (option to buy) 2021-06-24 M D 9,074 $0.00 177,230 D $1.75 · — to 2027-04-26 186,304 Common Stock, par value $0.001 (F5) Twenty-five percent of the shares underlying the option became vested and exercisable on January 8, 2018 and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following January 8, 2018, subject to the reporting person's continued service through the applicable vesting date.
9 Derivative Stock Option (option to buy) 2021-06-23 M D 30,200 $0.00 186,304 D $1.75 · — to 2027-04-26 216,504 Common Stock, par value $0.001 (F5) Twenty-five percent of the shares underlying the option became vested and exercisable on January 8, 2018 and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following January 8, 2018, subject to the reporting person's continued service through the applicable vesting date.
10 Derivative Stock Option (option to buy) 2021-06-25 M D 2,726 $0.00 174,504 D $1.75 · — to 2027-04-26 177,230 Common Stock, par value $0.001 (F5) Twenty-five percent of the shares underlying the option became vested and exercisable on January 8, 2018 and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following January 8, 2018, subject to the reporting person's continued service through the applicable vesting date.