Form 4 for RPID RAPID MICRO BIOSYSTEMS, INC.
Accepted 2026-05-26 19:25:31 ET · period of report 2026-05-21 · accession 0001703469-26-000007 · 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 | 2026-05-26 19:25 | 2026-05-21 | RPID | PEI MELINDA LITHERLAND | Dir | A - Grant | $0.00 | +19.3K | 87.9K | +28% | $0 |
| D | 2026-05-26 19:25 | 2026-05-21 | RPID | PEI MELINDA LITHERLAND | Dir | A - Grant | $0.00 | +38.7K | 38.7K | 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 | Class A Common Stock | 2026-05-21 | A | A | 19,300 | $0.00 | 87,900 | D | — | — | (F1) Grant of restricted stock units ("RSUs") that vests in full on the earlier of (i) the first anniversary of the Grant Date, or (ii) the day immediately prior to the date of the next annual meeting of the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date. |
| 2 | Derivative | Stock Option (Right to Buy) | 2026-05-21 | A | A | 38,700 | $0.00 | 38,700 | D | $2.07 · — to 2036-05-20 | 38,700 Class A Common Stock | (F2) The option shall vest and become exercisable in full on the earlier of (i) the first anniversary of the Grant Date, or (ii) the day immediately prior to the date of the next annual meeting of the stockholders of the Company provided that the Reporting Person remains in continuous service on such vesting date. |