Bain Capital Life Sciences Fund, L.P.'s Form 4 filing
Rapid Micro Biosystems, Inc. (RPID) · filed May 22, 2026
- Accession no.
- 0001193125-26-237016
- Filed
- May 22, 2026, 4:30 PM ET
- Trade date
- May 20, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Not checked
This filing lists 0 non-derivative transactions and 3 derivative transactions. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Bain Capital Life Sciences Fund, L.P.CIK 0001687968 | 10% Owner |
| BCIP Life Sciences Associates, LPCIK 0001702921 | 10% Owner |
| Bain Capital Life Sciences Partners, LPCIK 0001703030 | 10% Owner |
| Bain Capital Life Sciences Investors, LLCCIK 0001703031 | 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
This filing has no transactions of this kind.
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| May 20, 2026 | Class A Common Stock | PPurchaseAcquired | +1,463,000 | – | – | 1,463,000 | Indirect | |
| May 20, 2026 | Class A Common Stock | PPurchaseAcquired | +1,463,000 | – | – | 1,463,000 | Indirect | |
| May 20, 2026 | Class A Common Stock | PPurchaseAcquired | +1,463,000 | – | – | 1,463,000 | Indirect |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.