InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2023-02-03 00:00:00 ET · period of report 2023-02-01 · accession 0001562180-23-000965 · 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 2023-02-03 2023-02-01 MASS Brown Christopher D. CTO M - OptEx — +5,027 913.9K +0.6% —
DM 2023-02-03 2023-02-01+ MASS Brown Christopher D. CTO S - Sale+OE $9.91 -11.6K 912.4K -1% -$114.6K
D 2023-02-03 2023-02-01 MASS Brown Christopher D. CTO M - OptEx $0.00 -5,027 15.1K -25% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2023-02-01 M A 5,027 — 913,939 D — — (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of RSUs in shares of Common Stock on their scheduled vesting date.
2 Common Common Stock 2023-02-02 S D 10,000 $10.03 902,375 D — — (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.00 to $10.19, 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.
3 Common Common Stock 2023-02-01 S D 1,564 $9.17 912,375 D — — (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $8.98 to $9.69, 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 Derivative Restricted Stock Unit 2023-02-01 M D 5,027 $0.00 15,082 D — · — to — 5,027 Common Stock (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of RSUs in shares of Common Stock on their scheduled vesting date. (F6) The 5,027 RSUs vested on February 1, 2023, with the remaining 15,082 RSUs vesting in three substantially equal annual installments at the three anniversary dates following February 1, 2023, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.