REPLIGEN CORP current report, 10 September 2026

Business Context and Reporting Period

This Form 8-K Current Report was filed by Repligen Corporation on September 10, 2026. The report addresses a corporate governance event regarding the Board of Directors.

Financial Metrics

The filing text does not provide a clear value for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on personnel changes and does not contain financial performance data.

Material Changes

The material change reported is the announced retirement of Karen A. Dawes from the Repligen Board of Directors. Her departure is effective as of September 30, 2026, following over twenty years of service. The filing explicitly states that this decision is not the result of any disagreement with the company regarding operations, policies, or procedures.

Management Commentary and Outlook

Ms. Dawes commented that with a successful CEO transition complete, she believes now is the right time for her retirement. She expressed confidence that the company is well-positioned for continued success and its next phase of growth, supported by an outstanding leadership team and Board.

Key Facts for Investor Verification

  • Karen A. Dawes will retire from the Board effective September 30, 2026.
  • The retirement follows over twenty years of service and a completed CEO transition.
  • There is no disagreement between Ms. Dawes and the company regarding operations or policies.
  • Olivier Loeillot, President and CEO, signed the report on September 15, 2026.