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RAPID MICRO BIOSYSTEMS, INC.·4

Feb 20, 7:17 PM ET

Spignesi Robert G. Jr. 4

Research Summary

AI-generated summary

Updated

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.