Spignesi Robert G. Jr. 4
4 · RAPID MICRO BIOSYSTEMS, INC. · Filed Feb 20, 2026
Research Summary
AI-generated summary of this filing
Rapid Micro Biosystems (RPID) CEO Robert Spignesi Sells 38,327 Shares
What Happened
Robert G. Spignesi Jr., President, CEO and a director of Rapid Micro Biosystems (RPID), reported a sale of 38,327 shares on 2026-02-19 at $3.89 per share, generating proceeds of $148,912. The filing shows this was a sale (not a purchase), and the shares were disposed to satisfy tax withholding obligations tied to the vesting of restricted stock units.
Key Details
- Transaction date and price: 2026-02-19 at $3.89 per share.
- Shares sold and value: 38,327 shares for $148,912 (gross).
- Method: Reported as open market or private sale.
- Footnote: F1 — automatic sale to cover tax withholding on vested RSUs.
- Shares owned after transaction: Not disclosed in the Form 4 filing.
- Filing: Reported on 2026-02-20 (timely; not marked late).
Context
This was an automatic, tax-withholding sale tied to RSU vesting — a routine administrative transaction common with equity awards. Such withholding sales do not necessarily reflect the insider’s market view; purchases are generally more informative about bullish sentiment.
Insider Transaction Report
- Sale
Class A Common Stock
[F1]2026-02-19$3.89/sh−38,327$148,912→ 1,187,770 total
Footnotes (1)
- [F1]Represents the automatic sale of stock to cover the associated tax obligations with the vesting of restricted stock units.