BioLife Solutions Completes $1.5B Acquisition by Repligen; Stock to Be Delisted
BLFS has more than doubled off its 52-week low of $17.86 on elevated volume (3.9× avg).
Summary
BioLife Solutions completed its acquisition by Repligen Corporation on October 6, 2026. Stockholders approved the merger with 99.8% of votes cast in favor, and BLFS shares will be delisted from Nasdaq.
Key Events · M&A and Partnerships · BLFS
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Merger Completed
Repligen Corporation completed its acquisition of BioLife Solutions on October 6, 2026, via a two-step merger. BioLife ceased to exist as a separate legal entity and became a wholly owned subsidiary of Repligen.
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Stockholder Vote Results
At the October 5, 2026 special meeting, 40,910,337 shares voted for the merger (99.8% of votes cast), 83,451 against, and 807 abstained. 83.79% of outstanding shares were represented.
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Merger Consideration
Each BioLife share converted into 0.1442 shares of Repligen common stock plus $11.25 in cash, consistent with the $31.00 per share deal value announced in July 2026.
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Delisting and Deregistration
BioLife requested Nasdaq halt trading of BLFS and will file Form 25 to delist the stock. The company also plans to file Form 15 to deregister and suspend SEC reporting obligations.
Analysis · BLFS · Industrial Applications And Services
The Repligen acquisition of BioLife Solutions closed on October 6, 2026, ending BioLife's existence as an independent public company. Stockholders overwhelmingly approved the deal with 40.9 million votes in favor versus just 83,451 against. Each BioLife share converted into 0.1442 Repligen shares plus $11.25 in cash. Trading in BLFS was halted and the stock will be delisted from Nasdaq, with deregistration to follow. This is the terminal event for BLFS shareholders — the final step in a transaction first announced in July 2026.
How filings like this one have moved
In the 30 days to Oct 6, 2026, 42.7% of the 302 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.70%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, BLFS was trading at $39.00 on NASDAQ in the Industrial Applications And Services sector, with a market capitalization of approximately $1.9B. The 52-week trading range was $17.86 to $39.76. This filing was assessed with neutral market sentiment and an importance score of 9 out of 10.