RGEN 424B3: Acquisition

Filed with the SEC on · accession 0001193125-26-383830

RGEN filed a 424B3 (prospectus (offering)) with the SEC on Sep 4, 2026. Repligen Corporation is acquiring BioLife Solutions, Inc. in a merger where BioLife stockholders will receive 0.1442 Repligen shares and $11.25 in cash per share. The stock moved -1.2% by the first close after the filing.

Summary of the filing

Repligen Corporation is acquiring BioLife Solutions, Inc. in a merger where BioLife stockholders will receive 0.1442 Repligen shares and $11.25 in cash per share. The merger requires BioLife stockholder approval at a special meeting on October 5, 2026.

Key details

Cash consideration per BioLife share$11
Stock exchange ratioshares 0
AcquirerRepligen Corporation
TargetBioLife Solutions, Inc.
Ceo and chairman of biolife solutionsRoderick de Greef
Director of biolife solutionsTony Hunt

How RGEN stock reacted

Close before

$169.61

Sep 3, 2026

First close after

-1.19%

$167.60

5 trading days

-2.61%

$165.18

Since filing

+2.29%

$173.49

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Frequently asked questions

What did RGEN file with the SEC on Sep 4, 2026?

RGEN filed a 424B3 (Acquisition). Repligen Corporation is acquiring BioLife Solutions, Inc. in a merger where BioLife stockholders will receive 0.1442 Repligen shares and $11.25 in cash per share. The merger requires BioLife stockholder approval at a special meeting on October 5, 2026.

What does a acquisition mean for RGEN stock?

A contract important enough that investors need to know about it — a big customer contract, a loan, a merger agreement or a partnership.

How do I read a 424B3?

The final terms of an offering of shares or bonds. Look at price, number of shares and the discount to the market price. Large offerings dilute existing shareholders.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 424B3 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did RGEN stock react to this filing?

RGEN closed at $169.61 before the filing and $167.60 on Sep 4, 2026 (-1.19%). Five trading days later: $165.18 (-2.61%).

Other RGEN SEC filings

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