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AXCELIS TECHNOLOGIES INC SEC Filings

ACLS NASDAQ

Welcome to our dedicated page for AXCELIS TECHNOLOGIES SEC filings (Ticker: ACLS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.

Our SEC filing database is enhanced with expert analysis from Rhea-AI, providing insights into the potential impact of each filing on AXCELIS TECHNOLOGIES's stock performance. Each filing includes a concise AI-generated summary, sentiment and impact scores, and end-of-day stock performance data showing the actual market reaction. Navigate easily through different filing types including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, proxy statements (DEF 14A), and Form 4 insider trading disclosures.

Designed for fundamental investors and regulatory compliance professionals, our page simplifies access to critical SEC filings. By combining real-time EDGAR feed updates, Rhea-AI's analytical insights, and historical stock performance data, we provide comprehensive visibility into AXCELIS TECHNOLOGIES's regulatory disclosures and financial reporting.

Rhea-AI Summary

Christopher Tatnall, EVP Global Customer Operations at Axcelis Technologies, reported a transaction dated 09/15/2025 on Form 4 showing a forfeiture of 137 shares of common stock to satisfy tax withholding related to restricted stock units that vested that day. The filing lists a withholding price of $87.3 per share, representing the closing stock price used for the withholding calculation.

After the withholding, the reporting person beneficially owned 24,304 shares. The filing also states that 19,706 of those shares were issuable on vesting of RSUs granted under the 2012 Equity Incentive Plan and remain subject to forfeiture. The form was signed by an attorney-in-fact on behalf of the reporting person on 09/17/2025.

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Rhea-AI Summary

Axcelis Technologies executive Greg Redinbo reported a forfeiture of 208 shares of common stock on 09/15/2025 for tax withholding related to the vesting of restricted stock units granted in September 2022. The withholding used the closing stock price on the transaction date, recorded as $87.3 per share. After the vesting and withholding, the reporting person beneficially owned 32,661 shares; 19,120 of those are issuable on vesting of RSUs under the 2012 Equity Incentive Plan and remain subject to forfeiture. The Form 4 was signed by an attorney-in-fact on behalf of the reporting person.

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Rhea-AI Summary

Schedule 13G filed for Axcelis Technologies shows that American Century Investment Management, American Century Companies and Stowers Institute report beneficial ownership of 1,659,463 shares, representing 5.2% of Axcelis common stock. The filing discloses sole voting power of 1,606,928 shares and sole dispositive power of 1,659,463 shares for the reporting persons. ACIM is identified as an investment adviser (Type IA) while ACC and Stowers are classified as holding companies (HC). The filing states that various clients and accounts advised by ACIM have rights to dividends or sale proceeds and that no single client advised by ACIM owns more than 5% of the class. The statement also certifies the shares are held in the ordinary course of business and not to influence control of the issuer.

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Rhea-AI Summary

Axcelis Technologies filed an 8-K to announce it issued a press release reporting financial results for the quarter ended June 30, 2025. The Form 8-K does not include any numerical results, financial statements, or tables within the filing itself; instead it attaches the company's press release as Exhibit 99.1 for detailed figures.

This filing is a notification that the company's operating and financial metrics for the quarter are available in the attached release; readers must consult Exhibit 99.1 to see revenue, earnings, cash flow, guidance, or other material metrics because none are presented in the 8-K.

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FAQ

How many AXCELIS TECHNOLOGIES (ACLS) SEC filings are available on StockTitan?

StockTitan tracks 105 SEC filings for AXCELIS TECHNOLOGIES (ACLS), including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and Form 4 insider trading disclosures. Each filing includes AI-generated summaries, impact scoring, and sentiment analysis.

When was the most recent SEC filing for AXCELIS TECHNOLOGIES (ACLS)?

The most recent SEC filing for AXCELIS TECHNOLOGIES (ACLS) was filed on September 17, 2025.