Form 4: Axcelis CEO Russell Low Sells Shares Under 10b5-1 Plan

Axcelis Technologies President and CEO Russell Low has sold 1,244 shares of common stock for $138.86 per share, executed under a pre-arranged Rule 10b5-1 trading plan.

Summary

• Russell Low, President and CEO of Axcelis Technologies, Inc., reported a transaction involving the sale of 1,244 shares of common stock.
• The transaction occurred on May 1, 2026, with the sale price at $138.86 per share.
• This sale was conducted under a Rule 10b5-1 trading plan established by Mr. Low on December 11, 2025.
• Following the transaction, Mr. Low beneficially owns 131,038 shares of common stock.
• A portion of these remaining shares (83,480) are subject to forfeiture as they are issuable upon vesting of restricted stock units.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as the transaction was conducted under a pre-established Rule 10b5-1 plan, mitigating concerns about insider trading based on non-public information.

Negatives

• Company insider, the President and CEO, sold a portion of their holdings.

Risks

• The sale of shares by a key executive could be interpreted negatively by the market, although it was executed under a pre-planned Rule 10b5-1 trading plan.

Future Outlook

The filing does not contain forward-looking statements or guidance.

Industry Context

StockSavvy.ai notes that insider sales, even when executed under a Rule 10b5-1 plan, are closely watched by investors as they can signal management's perception of the company's valuation or future prospects. The execution of such plans is a standard practice to allow insiders to diversify holdings or meet financial obligations without being perceived as trading on material non-public information.

Stakeholder Impact

• Shareholders may view the CEO's sale with caution, though the Rule 10b5-1 plan provides a degree of reassurance.
• Employees with restricted stock units may be impacted by the vesting and forfeiture conditions mentioned.

Next Steps

• The remaining 83,480 restricted stock units are subject to vesting and potential forfeiture.

Key Dates

Keywords

Axcelis Technologies, ACLS, Form 4, Insider Trading, Rule 10b5-1, Stock Sale, Russell Low, CEO, Beneficial Ownership