Insider Trading February 10, 2026

Rapid Micro Biosystems CEO Sells 12,840 Shares as Company Signals Revenue Gains

Robert G. Spignesi Jr. disposed of roughly $48.6k in stock to cover tax obligations while the company reports stronger revenue expectations for 2025

By Sofia Navarro RPID
Rapid Micro Biosystems CEO Sells 12,840 Shares as Company Signals Revenue Gains
RPID

Rapid Micro Biosystems' president and CEO, Robert G. Spignesi Jr., sold 12,840 shares of Class A common stock on February 9, 2026, for about $48,569 to meet tax obligations tied to vested restricted stock units. The company has also provided preliminary revenue expectations for the fourth quarter and full-year 2025, indicating year-over-year growth.

Key Points

  • CEO Robert G. Spignesi Jr. sold 12,840 Class A shares on February 9, 2026, at $3.7827 per share for approximately $48,569.
  • The stock sale was executed to cover tax obligations from the vesting of restricted stock units; after the transaction, Spignesi directly owns 962,097 shares.
  • Rapid Micro Biosystems projects roughly $11.3 million in revenue for Q4 2025 (up 37% year-over-year) and about $33.6 million for full-year 2025 (up 20% year-over-year); no merger or acquisition updates were provided.

Robert G. Spignesi Jr., who serves as President and Chief Executive Officer of Rapid Micro Biosystems (NASDAQ: RPID), completed a sale of 12,840 shares of the company’s Class A Common Stock on February 9, 2026. The shares changed hands at a per-share price of $3.7827, producing proceeds of approximately $48,569, according to the filing.

The filing states the sale was made specifically to satisfy tax obligations arising from the vesting of restricted stock units. After the transaction, Spignesi is listed as directly owning 962,097 shares of Rapid Micro Biosystems.


Alongside the insider transaction, Rapid Micro Biosystems provided forward-looking revenue expectations for 2025. The company said it expects to report roughly $11.3 million in total revenue for the fourth quarter of 2025, which the company describes as a 37% increase compared with the same quarter a year earlier. For the full year of 2025, Rapid Micro Biosystems anticipates about $33.6 million in total revenue, representing a 20% rise from the prior year.

The company noted these projected figures without announcing any contemporaneous updates on mergers or acquisitions. The guidance was presented as a marker of ongoing growth, and the company did not supply additional transaction-related details.

Investors and analysts are expected to follow upcoming disclosures closely for confirmation of the preliminary revenue figures and any further corporate developments. The company’s statements provide an interim view of performance trends but do not replace final reported results.

Key factual takeaways

  • CEO Robert G. Spignesi Jr. sold 12,840 Class A shares on February 9, 2026, at $3.7827 per share for approximately $48,569.
  • The sale was executed to cover tax obligations tied to vested restricted stock units; post-sale, Spignesi directly owns 962,097 shares.
  • Rapid Micro Biosystems expects approximately $11.3 million in revenue for Q4 2025 (a 37% year-over-year increase) and about $33.6 million for full-year 2025 (a 20% year-over-year increase); no M&A updates were provided.

This report synthesizes the company’s filing and the firm’s preliminary revenue expectations as disclosed. The figures presented are the company’s stated expectations and remain subject to confirmation in formal financial reports.

Risks

  • The revenue figures cited are company expectations and could change when formal financial results are released.
  • There were no updates on mergers or acquisitions, leaving future strategic actions or transactions unspecified.
  • Details beyond the stated tax-related reason for the insider sale are not provided in the filing, limiting additional context about the transaction.

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