Form 4 for MASS 908 Devices Inc.
Accepted 2025-02-04 00:00:00 ET · period of report 2025-02-01 · accession 0001562180-25-000894 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-02-04 | 2025-02-01 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | — | +26.7K | 120.1K | +29% | — |
| DM | 2025-02-04 | 2025-02-03 | MASS | Griffith Joseph H. IV | CFO | S - Sale+OE | $2.34 | -10.2K | 109.9K | -9% | -$24.0K |
| DM | 2025-02-04 | 2025-02-01 | MASS | Griffith Joseph H. IV | CFO | M - OptEx | $0.00 | -26.7K | 33.8K | -44% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-02-01 | M | A | 5,102 | — | 98,539 | 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 | 2025-02-01 | M | A | 10,306 | — | 108,845 | 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. |
| 3 | Common | Common Stock | 2025-02-01 | M | A | 11,261 | — | 120,106 | 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. |
| 4 | Common | Common Stock | 2025-02-03 | S | D | 1,960 | $2.34 | 118,146 | D | — | — | (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.33 to $2.41, 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 | 2025-02-03 | S | D | 3,955 | $2.34 | 114,191 | D | — | — | (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.29 to $2.41, 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. |
| 6 | Common | Common Stock | 2025-02-03 | S | D | 4,321 | $2.35 | 109,870 | D | — | — | (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.32 to $2.41, 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 | Derivative | Restricted Stock Units | 2025-02-01 | M | D | 10,306 | $0.00 | 20,612 | D | — · — to — | 10,306 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. (F7) These RSUs vest in four substantially equal annual installments at the four 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. |
| 8 | Derivative | Restricted Stock Units | 2025-02-01 | M | D | 5,102 | $0.00 | 5,102 | D | — · — to — | 5,102 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) These RSUs vest in four substantially equal annual installments at the four anniversary dates following February 1, 2022, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date. |
| 9 | Derivative | Restricted Stock Units | 2025-02-01 | M | D | 11,261 | $0.00 | 33,781 | D | — · — to — | 11,261 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. (F8) These RSUs vest in four substantially equal annual installments at the four anniversary dates following February 1, 2024, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date. |