InsiderTrades

Form 4 for MASS 908 Devices Inc.

Accepted 2025-03-04 00:00:00 ET · period of report 2025-03-02 · accession 0001562180-25-002060 · 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 2025-03-04 2025-03-02 MASS Hunt Anthony Dir M - OptEx — +2,058 18.7K +12% —
D 2025-03-04 2025-03-02 MASS Hunt Anthony Dir M - OptEx $0.00 -2,058 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-03-02 M A 2,058 — 18,721 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 Units 2025-03-02 M D 2,058 $0.00 0 D — · — to — 2,058 Common Stock (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 March 2, 2022, 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.