Form 4 for MASS 908 Devices Inc.
Accepted 2026-02-03 00:00:00 ET · period of report 2025-10-14 · accession 0001836585-26-000002 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-02-03 | 2025-12-30 | MASS | Spoto Mark | Dir | G - Gift | $0.00 | +928 | 75.3K | +1% | $0 | |
| I | 2026-02-03 | 2025-12-30 | MASS | Spoto Mark | Dir | G - Gift | $0.00 | -928 | 0 | -100% | $0 |
| I | 2026-02-03 | 2025-10-14 | MASS | Spoto Mark | Dir | W - Inherited | $0.00 | +928 | 928 | New | $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 | 2025-12-30 | G | A | 928 | $0.00 | 75,263 | D | — | — | |
| 2 | Common | Common Stock | 2025-12-30 | G | D | 928 | $0.00 | 0 | I By spouse | — | — | |
| 3 | Common | Common Stock | 2025-10-14 | W | A | 928 | $0.00 | 928 | I By spouse | — | — |