Notice of Proposed Sale · 144
Rapid Micro Biosystems, Inc.
RPIDNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- RAPID MICRO BIOSYSTEMS, INC.
- Issuer CIK
- 0001380106
- SEC file number
- 001-40592
- Phone
- 978-349-3200
- Person for whose account securities are to be sold
- Wilson John J. Addington
- Relationships to issuer
- Former Officer
- Street
- 25 HARTWELL AVENUE
- City
- LEXINGTON
- State / country code
- MA
- Postal code
- 02421
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Class A | 6,312 | 11,046.00 | 41,669,673 | 07/01/2026 | NASDAQ | Fidelity Brokerage Services LLC |
Broker / market maker — proposed row 1, entry 1
- Name
- Fidelity Brokerage Services LLC
- Street
- 900 Salem Street
- City
- Smithfield
- State / country code
- RI
- Postal code
- 02917
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Class A | 07/01/2026 | Stock Option Exercise | Issuer | 6,312 | N | 07/01/2026 | Cash |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| John Wilson | Class A | 06/10/2026 | 5,000 | 9,349.00 |
| John Wilson | Class A | 06/22/2026 | 3,688 | 6,454.00 |
Seller — prior-sale row 1, entry 1
- Name
- John Wilson
- Street
- 25 Hartwell Avenue
- City
- Lexington
- State / country code
- MA
- Postal code
- 02421
Seller — prior-sale row 2, entry 1
- Name
- John Wilson
- Street
- 25 Hartwell Avenue
- City
- Lexington
- State / country code
- MA
- Postal code
- 02421
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Notice signature
- Notice date
- 07/01/2026
- Signed
- /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John Wilson
Company context
Rapid Micro Biosystems is an innovative life sciences technology company providing mission critical automation solutions to facilitate the efficient manufacturing and fast, safe release of healthcare products such as biologics, vaccines, cell and gene therapies, and sterile injectables. The Company’s flagship Growth Direct system automates and modernizes the antiquated, manual microbial quality control (“MQC”) testing workflows used in the largest and most complex pharmaceutical manufacturing operations across the globe. The Growth Direct system brings the quality control lab to the manufacturing floor, unlocking the power of MQC automation to deliver the faster results, greater accuracy, increased operational efficiency, better compliance with data integrity regulations, and quicker decision making that customers rely on to ensure safe and consistent supply of important healthcare products. The Company is headquartered in Lexington, Massachusetts and has U.S. manufacturing in Lowell, Massachusetts, with global locations in Switzerland, Germany, and the Netherlands. For more information, please visit www.rapidmicrobio.com or follow the Company on X (formerly known as Twitter) at @rapidmicrobio or on LinkedIn.