SCHEDULE: Advantest Exits PDF Solutions Ownership

Advantest Corporation and its subsidiary Advantest America, Inc. have filed an amendment confirming they no longer hold any beneficial ownership in PDF Solutions, Inc.

Summary

• Advantest Corporation and Advantest America, Inc. filed an Amendment No. 1 to their Schedule 13G.
• The filing confirms that the reporting persons now beneficially own 0 shares of PDF Solutions, Inc. common stock.
• This represents a 0% ownership stake in the issuer.
• The event triggering this filing occurred on May 15, 2026.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral regulatory event, as it simply confirms the completion of a divestment process without providing qualitative business updates.

Positives

• The filing provides transparency regarding the complete divestment of shares by the reporting entities.

Negatives

• The exit of a significant corporate entity as a shareholder may be perceived as a loss of strategic alignment or partnership interest.

Risks

• Potential market perception regarding the reasons for the full divestment by a major industry player.

Future Outlook

No forward-looking guidance or strategic outlook is provided in this ownership disclosure filing.

Industry Context

StockSavvy.ai notes that this filing represents a standard regulatory disclosure following the cessation of a significant equity position, which is common in the semiconductor equipment and software services sector as companies adjust their investment portfolios.

Comparison to Industry Standards

• The filing adheres to standard SEC requirements for reporting the cessation of beneficial ownership under Rule 13d.
• The disclosure format is consistent with typical institutional investor reporting practices.

Stakeholder Impact

• Shareholders may note the removal of Advantest as a significant holder, which may impact market sentiment regarding the relationship between the two companies.

Next Steps

• No further actions are required by the reporting persons regarding this specific equity position.

Key Dates

Keywords

PDF Solutions, Advantest, Schedule 13G, Divestment, Common Stock, Ownership Disclosure