Summary
Updated Aug 31, 2026
Robert G. Spignesi Jr. is PRESIDENT AND CEO, Director of RAPID MICRO BIOSYSTEMS, INC. (RPID). 9 SEC Form 4 filings on record going back to 2025, most recently on 24 July 2026. Most recent open-market trade: sold $74K of RPID on 12 March 2026. Lifetime open-market sales: $467K.
Recent Transactions
20Every recent SEC Form 4 transaction Robert G. Spignesi Jr. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Robert G. Spignesi Jr. go back to 2025: 9 primary Form 4 filings, an average of 4.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Robert G. Spignesi Jr. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Longitude Capital Partners II, LLC - $664K of RPID open-market activity in the last 12 months
- Sean M. Wirtjes - $123K of RPID open-market activity in the last 12 months
- John J. Addington Wilson - $80K of RPID open-market activity in the last 12 months
- Bain Capital Life Sciences Investors, LLC - of RPID open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Robert G. Spignesi Jr.?
Robert G. Spignesi Jr. is a corporate insider, tracked as PRESIDENT AND CEO, Director of RAPID MICRO BIOSYSTEMS, INC. (RPID). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Robert G. Spignesi Jr. submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Robert G. Spignesi Jr. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 8 open-market sales ($467K) across all tracked filings.
Where can I see all of Robert G. Spignesi Jr.'s SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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