RPID
RAPID MICRO BIOSYSTEMS, INC. · Healthcare · Market cap $54.1M
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.1M
reported sales (SEC code S)
Unique Insiders
4
in the rolling window
Latest filing
Jul 24, 2026
Spignesi Robert G. Jr.
RAPID MICRO BIOSYSTEMS, INC. (RPID) has 29 SEC Form 4 filings (36 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Jul 24, 2026.
Inside the rolling window, 4 insiders at RAPID MICRO BIOSYSTEMS, INC. reported no open-market purchases and 14 open-market sales totaling $1.1M. The most active filer is 10% Owner Longitude Capital Partners II, LLC with 5 filings. Insiders have net sold $1.1M over the trailing 6 months. The most recent open-market filing is a sale of 17,922 shares by PRESIDENT AND CEO Spignesi Robert G. Jr., dated Mar 10, 2026, worth $74K.
- Industry:Medical - Devices
- CEO:Robert G. Spignesi Jr.
- Employees:171
- HQ:Lowell, MA, US
- IPO:2021-07-15
| Source | |||||||
|---|---|---|---|---|---|---|---|
| PRESIDENT AND CEO | Sale | 17,922 | $74K | Mar 12 | -67.3% | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 7,480 | $32K | Mar 12 | -67.3% | SEC ↗ | |
| CHIEF OPERATING OFFICER | Sale | 9,603 | $41K | Mar 12 | -67.3% | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 17,254 | $68K | Feb 20 | -71.2% | SEC ↗ | |
| PRESIDENT AND CEO | Sale | 38,327 | $149K | Feb 20 | -71.2% | SEC ↗ | |
| CHIEF OPERATING OFFICER | Sale | 5,403 | $21K | Feb 20 | -71.2% | SEC ↗ | |
Spignesi Robert G. Jr.First filing | PRESIDENT AND CEO | Sale | 12,840 | $49K | Feb 10 | -72.5% | SEC ↗ |
Wilson John J. AddingtonFirst filing | CHIEF OPERATING OFFICER | Sale | 4,610 | $17K | Feb 10 | -72.5% | SEC ↗ |
WIRTJES SEAN MFirst filing | CHIEF FINANCIAL OFFICER | Sale | 6,027 | $23K | Feb 10 | -72.5% | SEC ↗ |
| 10% Owner | Sale | 49,000 | $190K | Feb 6 | -71.1% | SEC ↗ | |
Longitude Capital Partners II, LLCFirst filing | 10% Owner | Sale | 7,739 | $31K | Feb 3 | — | SEC ↗ |
Longitude Capital Partners II, LLCFirst filing | 10% Owner | Sale | 46,000 | $209K | Feb 3 | — | SEC ↗ |
Longitude Capital Partners II, LLCFirst filing | 10% Owner | Sale | 27,500 | $117K | Feb 3 | — | SEC ↗ |
Longitude Capital Partners II, LLCFirst filing | 10% Owner | Sale | 27,500 | $117K | Feb 3 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does RPID have?
RAPID MICRO BIOSYSTEMS, INC. (RPID) has 29 SEC Form 4 filings (36 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Jul 24, 2026.
When was the most recent SEC Form 4 filing for RPID?
The most recent Form 4 filing for RPID on Tracefour is dated Jul 24, 2026.
Who is the most active insider at RPID?
The most active SEC Form 4 filer at RPID in the rolling window is 10% Owner Longitude Capital Partners II, LLC, with 5 filings.
What is the net insider flow at RPID over the last 6 months?
Over the trailing 180 days, insiders at RPID have net sold $1.1M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at RPID in the current window?
Inside the rolling window, insiders at RPID bought $0 and sold $1.1M based on SEC Form 4 filings.
Can I get alerts for RPID insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at RAPID MICRO BIOSYSTEMS, INC. (RPID). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
RAPID MICRO BIOSYSTEMS, INC. is in the Healthcare sector.