InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2022-02-23 00:00:00 ET · period of report 2022-02-22 · accession 0001562180-22-001761 · 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 2022-02-23 2022-02-22 MASS George Jeffrey P. Dir M - OptEx — +508 508 New —
D 2022-02-23 2022-02-22 MASS George Jeffrey P. Dir M - OptEx $0.00 -508 1,015 -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.001 2022-02-22 M A 508 — 508 D — — (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.
2 Derivative Restricted Stock Unit 2022-02-22 M D 508 $0.00 1,015 D — · — to — 1,523 Common Stock, par value $0.001 (F1) Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested. (F2) The RSUs become vested in substantially equal annual installments over the 3 years following February 22, 2021, subject to the reporting person's continued service through the applicable vesting date, provided that, if the reporting person terminates their service for any reason, then a prorated number of RSUs will vest. The RSUs have no expiration date.