Stock Markets May 12, 2026 09:56 AM

ACM Research Announces Registered Direct Offering; Shares Retreat

Semiconductor equipment maker to sell roughly 2.9 million Class A shares at $52.00 each to institutional investors led by Tekne Capital

By Leila Farooq ACMR

ACM Research Inc. said it has entered into a Securities Purchase Agreement to sell 2,884,615 shares of Class A common stock at $52.00 per share to U.S. institutional investors managed by Tekne Capital Management, LLC. The offering, which is being conducted under an effective Form S-3 shelf registration, is expected to close on or about Thursday and follows a 3.7% share price decline reported on Tuesday. ACM Research expects net proceeds of about $149.8 million to support U.S. and global expansion and other corporate needs.

ACM Research Announces Registered Direct Offering; Shares Retreat
ACMR

Key Points

  • ACM Research will sell 2,884,615 shares of Class A common stock at $52.00 per share under a Securities Purchase Agreement with institutional investors managed by Tekne Capital Management, LLC.
  • The offering is expected to generate approximately $149.8 million in net proceeds after estimated expenses; proceeds will be used for U.S. and global expansion and general corporate purposes.
  • Shares are being sold under an effective Form S-3 shelf registration; a 6-month lock-up applies to certain securities and the offering is expected to close on or about Thursday, subject to customary closing conditions.

ACM Research Inc (NASDAQ:ACMR) disclosed a registered direct offering of its Class A common stock that will add approximately 2.9 million shares to the market, prompting a 3.7% drop in the company's share price on Tuesday.

The company said it signed a Securities Purchase Agreement on Monday with U.S. institutional investors managed by Tekne Capital Management, LLC. Under the terms, ACM Research will issue and sell 2,884,615 shares at an offering price of $52.00 per share. The transaction is expected to close on or about Thursday, subject to customary closing conditions.

After estimated offering expenses, ACM Research anticipates net proceeds of approximately $149.8 million. The company stated it plans to apply these funds, together with its existing cash and cash equivalents, to support expansion activities in the U.S. and internationally and for general corporate purposes.

The sale includes a 6-month lock-up on the company's Class A common stock and certain other securities, although the agreement notes specified exceptions. The lock-up provision can be waived by the investors' investment advisor under the terms of the Purchase Agreement.

Shares in this offering are being sold pursuant to an effective shelf registration statement on Form S-3 and a related prospectus supplement filed with the U.S. Securities and Exchange Commission on Monday. ACM Research said the Purchase Agreement contains customary representations, warranties and agreements by both the company and the investors, as well as standard conditions to closing and other obligations of the parties.


Market reaction and context

Investors reacted to the registered direct offering with a modest decline in the stock price. The transaction structure and terms - including the fixed $52.00 per-share price and the investor-managed lock-up mechanism - were detailed in the company's disclosures to the SEC.

ACM Research framed the use of proceeds around growth initiatives in the U.S. and abroad and general corporate purposes, indicating the capital raise is intended to support operational expansion alongside existing liquidity.


Summary

ACM Research is issuing and selling 2,884,615 Class A shares at $52.00 per share to institutional investors managed by Tekne Capital, with expected net proceeds of about $149.8 million. The offering is being conducted under an effective Form S-3 registration and is expected to close on or about Thursday, with a 6-month lock-up applying to certain securities.

Risks

  • Dilution risk to existing shareholders due to the issuance of approximately 2.9 million additional Class A shares - impacts equity investors and the broader semiconductor equipment sector.
  • Closing of the offering is subject to customary conditions and therefore could be delayed or fail to close as expected - impacts market certainty and capital planning for the company.
  • Lock-up exceptions and the ability of the investors' investment advisor to waive the 6-month restriction create some uncertainty around future share availability - affects investor demand and secondary market liquidity.

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