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ASYS 424B5: Secondary offering

Filed with the SEC on · accession 0000720500-26-000005

ASYS filed a 424B5 (prospectus (offering)) with the SEC on Jun 1, 2026. Amtech Systems, Inc. is offering shares of its common stock in a firm commitment underwritten public offering. The stock moved -2.9% by the first close after the filing.

Summary of the filing

Amtech Systems, Inc. is offering shares of its common stock in a firm commitment underwritten public offering. The offering is being made under a shelf registration statement with a maximum aggregate offering amount of $50,000,000.

For details, click here →How to read a 424B5 →

Key details

Maximum aggregate offering amount under shelf registration$50.0M
Last reported sale price of common stock on Nasdaq$21
IssuerAmtech Systems, Inc.
UnderwriterTitan Partners Group LLC, a division of American Capital Partners, LLC

How ASYS stock reacted

Close before

$21.27

May 29, 2026

First close after

-2.91%

$20.65

5 trading days

-13.07%

$18.49

Since filing

-46.29%

$11.43

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Frequently asked questions

What did ASYS file with the SEC on Jun 1, 2026?

ASYS filed a 424B5 (Secondary offering). Amtech Systems, Inc. is offering shares of its common stock in a firm commitment underwritten public offering. The offering is being made under a shelf registration statement with a maximum aggregate offering amount of $50,000,000.

What does a secondary offering mean for ASYS stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a 424B5?

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 424B5 (prospectus (offering)): The final terms of an offering of shares or bonds.

How did ASYS stock react to this filing?

ASYS closed at $21.27 before the filing and $20.65 on Jun 1, 2026 (-2.91%). Five trading days later: $18.49 (-13.07%).

Other ASYS SEC filings

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