RAPID MICRO BIOSYSTEMS, INC. (RPID)
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Rapid Micro Biosystems Inc is a life sciences technology company. Its technology uses a sensitive camera and the natural autofluorescence of living cells to identify and quantify microbial growth faster and more accurately than the traditional method, which relies on the human eye. The company develops, manufactures, markets, and sells Growth Direct systems (Systems), proprietary consumables, laboratory information management system (LIMS) connection, and other software and services to address rapid microbial analysis used for quality control in the manufacture of pharmaceuticals, medical devices, and personal care products. Geographically, it generates maximum revenue from the United States, and the rest from Switzerland, Germany, Japan, and all other countries.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 15 | 191,805 | |
| Option exercise | 6 | 9,820 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
35 Form 4 filings on record, the earliest from Nov 28, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Robert G. Spignesi Jr. - Officer | Option exercise | Class A Common Stock | 25,145 | $0.00 | - | |
| Robert G. Spignesi Jr. - Officer | Open-market sale | Class A Common Stock | 11,874 | $3.33 | $39K | |
| Robert G. Spignesi Jr. - Officer | Option exercise | Class A Common Stock | 25,145 | $0.00 | - | |
| Robert G. Spignesi Jr. - Officer | Open-market sale | Class A Common Stock | 11,881 | $3.32 | $39K | |
| Robert G. Spignesi Jr. - Officer | Option exercise | Class A Common Stock | 25,144 | $0.00 | - | |
| Robert G. Spignesi Jr. - Officer | Open-market sale | Class A Common Stock | 10,824 | $3.51 | $38K | |
| Robert G. Spignesi Jr. - Officer | Option exercise | Class A Common Stock | 25,144 | $0.00 | - | |
| Robert G. Spignesi Jr. - Officer | Open-market sale | Class A Common Stock | 11,247 | $3.51 | $39K | |
| Robert G. Spignesi Jr. - Officer | Option exercise | Class A Common Stock | 25,145 | $0.00 | - | |
| Robert G. Spignesi Jr. - Officer | Open-market sale | Class A Common Stock | 11,617 | $3.40 | $39K | |
| Natale S. Ricciardi - Director | Grant or award | Class A Common Stock | 14,300 | $0.00 | - | |
| Natale S. Ricciardi - Director | Grant or award | Stock Option (Right to Buy) | 28,650 | $0.00 | - | |
| Melinda Litherland Pei - Director | Open-market purchase | Class A Common Stock | 10,880 | $1.00 | $11K | |
| Melinda Litherland Pei - Director | Open-market purchase | Class A Common Stock | 9,120 | $1.04 | $9K | |
| Melinda Litherland Pei - Director | Open-market purchase | Class A Common Stock | 108 | $1.04 | $112 | |
| Melinda Litherland Pei - Director | Open-market purchase | Class A Common Stock | 19,892 | $1.05 | $21K |
This is as far as the anonymous view goes. Create a free account for all 35 RPID filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
RAPID MICRO BIOSYSTEMS, INC. (RPID) had 7 insider filings in the last 90 days, with the most recent on 2026-07-24. The full record for RPID runs to 35 Form 4 filings, the earliest from 2024-11-28. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of RPID were filed in the last 90 days. 7 purchases are on record for this company.
No insider sales of RPID were filed in the last 90 days. 19 sales are on record for this company.
This page tracks RPID Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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