Quick Takeaways
- Robert G. Spignesi Jr. has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $4,809,830.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Robert G. Spignesi Jr.
- Location
- Lowell, MA
- Summary
- The estimated net worth of Robert G. Spignesi Jr. is at least $4,809,830 dollars as of 12 Mar 2026. Robert G. Spignesi Jr. is the PRESIDENT AND CEO, Director of RAPID MICRO BIOSYSTEMS, INC. and owns shares of RAPID MICRO BIOSYSTEMS, INC. (RPID) stock worth about $4.81M.
- Signature
- /s/ Sean M. Wirtjes, Attorney-in-Fact for Robert G. Spignesi, Jr.
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Robert G. Spignesi Jr. and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: RAPID MICRO BIOSYSTEMS, INC. ($4,809,830).
- Past-year value change for that position: -$467,124.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Robert G. Spignesi Jr.
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| RPID | RAPID MICRO BIOSYSTEMS, INC. | PRESIDENT AND CEO, Director | $4,809,830 | -$467,124 | -8.9% | 10 Mar 2026 |
Insider Transactions Reported by Robert G. Spignesi Jr.:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.