Repligen to acquire BioLife Solutions in cash-stock deal

Repligen Corporation has agreed to acquire BioLife Solutions through a cash-and-stock merger.

Rhea-AI Filing Summary

Repligen Corporation has agreed to acquire BioLife Solutions through a cash-and-stock merger. Under the Merger Agreement, each outstanding share of BioLife common stock will be exchanged for $11.25 in cash plus 0.1442 shares of Repligen common stock, on a per‑share basis, subject to customary closing conditions.

The combination remains subject to regulatory approvals, approval by BioLife stockholders and other conditions specified in the Merger Agreement. The companies highlight expected strategic and financial benefits but also outline risks, including potential failure to obtain approvals, integration challenges, market conditions and the dilutive impact of new Repligen shares to be issued. Repligen plans to file a Form S‑4 registration statement containing a joint proxy statement/prospectus for BioLife stockholders.

Key Figures

Cash consideration per BioLife share: $11.25 per share Stock consideration per BioLife share: 0.1442 shares of Repligen common stock

2 metrics

Cash consideration per BioLife share $11.25 per share Portion of merger consideration for each share of BioLife common stock

Stock consideration per BioLife share 0.1442 shares of Repligen common stock Portion of merger consideration for each share of BioLife common stock

Key Terms

Agreement and Plan of Merger, registration statement on Form S-4, proxy statement/prospectus, forward-looking statements, +1 more

5 terms

Agreement and Plan of Merger regulatory

"This filing relates to the proposed transaction pursuant to the terms of that certain Agreement and Plan of Merger"

An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.

registration statement on Form S-4 regulatory

"Repligen will file with the SEC a registration statement on Form S-4"

A registration statement on Form S-4 is a formal filing with the U.S. Securities and Exchange Commission used when a company issues shares or other securities as part of a merger, acquisition, exchange offer or similar corporate deal. It bundles the transaction terms, financial statements, risk factors and shareholder vote materials so investors can assess the deal; think of it as a detailed prospectus or buyer’s packet that explains what you would own and how the deal could change your stake.

proxy statement/prospectus regulatory

"which will contain a proxy statement of BioLife and a prospectus of Repligen (the “proxy statement/prospectus”)"

A proxy statement or prospectus is a document that companies send to shareholders to provide important information about upcoming decisions or investments, such as voting on company issues or offering new shares to the public. It helps investors understand the details and risks involved, enabling them to make informed choices about their ownership or involvement with the company.

forward-looking statements regulatory

"Statements included in this communication, which are not historical in nature ... are hereby identified as, forward-looking statements"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

participants in the solicitation regulatory

"may be deemed to be participants in the solicitation of proxies from the stockholders of BioLife"

People or firms who actively seek to influence shareholders’ choices in a corporate action—such as a vote, merger, proxy contest, or tender offer. This can include company insiders, advisers, bankers, lawyers and professional solicitors who contact investors to persuade them. Investors care because knowing who is doing the persuading reveals potential conflicts, resources and credibility behind the campaign, much like checking who is organizing a political campaign before accepting its message.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What are BioLife Solutions (BLFS) shareholders expected to receive in the Repligen acquisition?

BioLife Solutions shareholders are expected to receive $11.25 in cash plus 0.1442 shares of Repligen common stock for each share of BioLife common stock they hold, subject to closing conditions and required approvals.

Is the acquisition of BioLife Solutions (BLFS) by Repligen already completed?

The acquisition is not yet completed. It is subject to regulatory approvals, BioLife stockholder approval and other closing conditions described in the Merger Agreement and related SEC filings, including the Form S‑4 registration statement and proxy statement/prospectus.

What regulatory filings will be made for the Repligen–BioLife (BLFS) merger?

Repligen will file a registration statement on Form S‑4, which will include a proxy statement/prospectus. BioLife stockholders are urged to read these documents carefully when available, as they will contain detailed information about the transaction.

What main risks are highlighted for the Repligen acquisition of BioLife Solutions (BLFS)?

Key risks include failure to obtain regulatory or BioLife stockholder approvals, potential termination of the Merger Agreement, integration challenges, possible overestimation of the cell therapy market and the dilutive effect of new Repligen shares to be issued.

Will BioLife Solutions (BLFS) investors get a chance to vote on the Repligen merger?

Yes. The transaction requires BioLife stockholder approval. A definitive proxy statement/prospectus will be mailed to BioLife stockholders, who will be asked to vote on the proposed merger once the materials are available.

How will investors access detailed documents on the Repligen–BioLife (BLFS) transaction?

Investors will be able to access the Form S‑4 and proxy statement/prospectus free of charge via the SEC’s website and through Repligen’s and BioLife’s websites or by requesting copies from their respective corporate secretaries.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/22/2026 - 04:09 PM Learn about SEC filing dates

Filed by Repligen Corporation

pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-12

under the Securities Exchange Act of 1934

Subject Company: BioLife Solutions, Inc.

Filer’s SEC File No.: 001-36362

Date: July 22, 2026

This filing relates to the proposed transaction pursuant to the terms of that certain Agreement and Plan of Merger (the “Merger Agreement”), dated as of July 21, 2026, by and among Repligen Corporation, a Delaware corporation (“Repligen”), Bravo Merger Sub I, Inc., a Delaware corporation and wholly owned subsidiary of Repligen, Bravo Merger Sub II, LLC, a Delaware limited liability company and wholly owned subsidiary of Repligen, and BioLife Solutions, Inc., a Delaware corporation (“BioLife”), pursuant to which Repligen will acquire, subject to the satisfaction or waiver of the conditions contained in the Merger Agreement, all of the outstanding shares of BioLife’s common stock for $11.25 cash and 0.1442 shares of Repligen’s common stock, on a per share basis.

The following social media post was posted by Repligen on LinkedIn on July 21, 2026.

On July 22, 2026, Olivier Loeillot, Chief Executive Officer of Repligen, posted the following message on LinkedIn in connection with the announcement of the Merger Agreement.

Cautionary Statement Regarding Forward-Looking Statements

Statements included in this communication, which are not historical in nature or do not relate to current facts, are intended to be, and are hereby identified as, forward-looking statements for purposes of the safe harbor provisions of the federal securities laws, including Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Forward-looking statements are based on, among other things, Repligen management’s and BioLife management’s beliefs, assumptions, current expectations, estimates and projections about the economy and Repligen and BioLife, as applicable, and the industries in which Repligen and BioLife operate. Words and phrases such as “may,” “approximately,” “continue,” “should,” “expects,” “projects,” “anticipates,” “is likely,” “look ahead,” “look forward,” “believes,” “will,” “intends,” “estimates,” “strategy,” “plan,” “could,” “potential,” “possible” and variations of such words and similar expressions are intended to identify such forward-looking statements.

Forward-looking statements include statements regarding, among other things, the expected benefits of the transactions and Repligen’s ability to recognize the benefits of the transactions; the anticipated timing of the closing of the transactions; the anticipated financial impact of the transactions on Repligen and the belief that this is a financially compelling transaction and accretive in the near-term; expectations for Repligen’s performance following the transactions, including future financial and operating results; beliefs that the transactions will accelerate profitable growth; beliefs and expectations about the cell therapy industry, including its growth, and BioLife’s position as a highly-differentiated cell processing tool leader; anticipated synergies; beliefs about the drivers for future growth following the transactions, including with respect to the pipeline and regulatory matters; the expected impact on customers and revenue opportunities; Repligen’s second quarter results, including revenue growth and expectations for strong margin expansion and Repligen’s plans, objectives, expectations, intentions, growth strategies and other statements that are not historical facts. Repligen and BioLife caution readers that forward-looking statements are subject to certain risks and uncertainties that are difficult to predict with regard to, among other things, timing, extent, likelihood and degree of occurrence, which could cause actual results to differ materially from anticipated results. Such risks and uncertainties include, among others, the following possibilities: the occurrence of any event, change or other circumstances that could give rise to the right of one or both of the parties to terminate the Merger Agreement; the outcome of any legal proceedings that may be instituted against Repligen or BioLife; the failure to obtain necessary regulatory approvals (and the risk that such approvals may result in the imposition of conditions that could adversely affect Repligen following the transactions, or the expected benefits of the transactions); the failure to obtain BioLife stockholder approval or to satisfy any of the other conditions to the transactions on a timely basis or at all; the possibility that the anticipated benefits of the transactions, including anticipated synergies, financial impact and revenue growth, are not realized when expected or at all, including as a result of the impact of, or problems arising from, the integration of the two companies or as a result of the strength of the economy and competitive factors in the areas where Repligen and BioLife do business; the risk that the parties have overestimated the size or trajectory of the cell therapy market and BioLife’s market position; the potential for increased regulatory scrutiny and the impact on the clinical pipeline, global approvals and expanded indications; the possibility that the transactions may be more expensive to complete than anticipated; diversion of BioLife and Repligen management’s attention from ongoing business operations and opportunities; potential adverse reactions or changes to business or employee relationships, including those resulting from the announcement or completion of the transactions; risks relating to the potential dilutive effect of shares of Repligen common stock to be issued in the transactions and other factors that may affect future results of Repligen. Additional factors that could cause results to differ materially from those described above can be found in Repligen’s Annual Report on Form 10-K for the year ended December 31, 2025, Repligen’s Quarterly Report on Form 10-Q for the three months ended March 31, 2026 BioLife’s Annual Report on Form 10-K for the year ended December 31, 2025, BioLife’s Quarterly Report on Form 10-Q for the three months ended March 31, 2026, in each issuer’s respective Current Reports on Form 8-K and in other documents Repligen and BioLife file with the U.S. Securities and Exchange Commission (the “SEC”), which are available on the SEC’s website at www.sec.gov. Repligen and BioLife caution you not to place undue reliance on any forward-looking statements, which speak only as of the date they are made. Repligen and BioLife each disclaims any obligation to publicly update or revise any such statements to reflect any change in expectations or in events, conditions or circumstances on which any such statements may be based, or that may affect the likelihood that actual results will differ from those set forth in the forward-looking statements.

Important Additional Information and Where to Find It

In connection with the transactions, Repligen will file with the SEC a registration statement on Form S-4 (the “registration statement”), which will contain a proxy statement of BioLife and a prospectus of Repligen (the “proxy statement/prospectus”), and each of Repligen and BioLife may file with the SEC other relevant documents regarding the transactions. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION STATEMENT AND THE PROXY STATEMENT/PROSPECTUS CAREFULLY AND IN THEIR ENTIRETY AND ANY OTHER RELEVANT DOCUMENTS FILED WITH THE SEC BY REPLIGEN AND BIOLIFE, AS WELL AS ANY AMENDMENTS OR SUPPLEMENTS TO THOSE DOCUMENTS WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT REPLIGEN, BIOLIFE AND THE transactions. When final, a definitive copy of the proxy statement/prospectus will be mailed to BioLife stockholders. Investors and security holders will be able to obtain the registration statement and the proxy statement/prospectus, as well as other filings containing information about Repligen and BioLife, free of charge from Repligen or BioLife or from the SEC’s website when they are filed. The documents filed by Repligen with the SEC may be obtained free of charge at Repligen’s website, at www.repligen.com, or by requesting them by mail at Repligen Corporation, 41 Seyon Street Building 1, Suite 100 Waltham, Massachusetts 02453, Attention: Corporate Secretary. The documents filed by BioLife with the SEC may be obtained free of charge at BioLife’s website, at www. biolifesolutions.com, or by requesting them by mail at BioLife Solutions, Inc., 3303 Monte Villa Parkway, Suite 310, Bothell, WA 98021, Attention: Corporate Secretary. The information included on Repligen’s and BioLife’s websites is not incorporated by reference into this communication.

Participants in the Solicitation

Repligen and BioLife and certain of their respective directors and executive officers may be deemed to be participants in the solicitation of proxies from the stockholders of BioLife in respect of the transactions. Information about Repligen’s directors and executive officers is available in Repligen’s proxy statement, dated April 2, 2026, for its 2026 Annual Meeting of Stockholders, and other documents filed by Repligen with the SEC. Information about BioLife’s directors and executive officers is available in BioLife’s proxy statement, dated July 8, 2025, for its 2025 Annual Meeting of Stockholders, and other documents filed by BioLife with the SEC. Other information regarding the persons who may, under the rules of the SEC, be deemed participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, will be contained in the proxy statement/prospectus and other relevant materials to be filed with the SEC regarding the transactions when they become available. Investors should read the proxy statement/prospectus carefully when it becomes available before making any voting or investment decisions. You may obtain free copies of these documents from Repligen or BioLife as indicated above.

No Offer or Solicitation

This communication is not intended to and shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offer of securities shall be made except by means of a prospectus meeting the requirements of Section 10 of the Securities Act.