AXCELIS TECHNOLOGIES INC
AXCELIS TECHNOLOGIES INC (ACLS) is a publicly traded company in the Unknown sector. Across all available filings, 35 corporate insiders have executed 1007 transactions totaling $113.8M, demonstrating a bearish sentiment with -$111.1M in net insider flow. The most recent transaction on Jan 15, 2026 involved a transaction of 1,734 shares valued at $0.
ACLS Insider Activity Summary
Who Is Buying ACLS Stock?
No significant insider buying has been recorded for ACLS in the recent period.
Who Is Selling ACLS Stock?
No significant insider selling has been recorded for ACLS in the recent period.
Is AXCELIS TECHNOLOGIES INC Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for ACLS is bearish with an Insider Alignment Score of 1/100 and a net flow of -$111.1M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
ACLS Frequently Asked Questions
Understanding ACLS Insider Activity
Insider trading at AXCELIS TECHNOLOGIES INC (ACLS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 35 insiders are actively trading ACLS stock, having executed 1007 transactions in the past 90 days. The most active insider is Mary G. Puma (Executive), who has made 117 transactions totaling $44.8M.
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Track AXCELIS TECHNOLOGIES INC Insider Activity
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