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ACLS AXCELIS TECHNOLOGIES INC Insider Trading

Latest: PRESIDENT AND CEO Sold $1.2M of Shares · May 2026

The only insider purchase or sale analyzed for AXCELIS TECHNOLOGIES INC (ACLS) so far is PRESIDENT AND CEO Low Russell, who sold $1.2M in May 2026.

1 filing analyzed · Latest 2026-05-07

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Buys
0
Sells
1
Insiders
1
Direction
Net selling

AXCELIS TECHNOLOGIES INC leadership

CEO
Russell J. Low — Principal Executive Officer
CFO
David Ryzhik — Principal Financial Officer
Chair
Jorge Titinger — Chairperson of the Board

Historically, stocks have lagged the S&P 500 by a median ~3% over the 90 days after a medium insider sell (n ≈ 4,738, 2024-2026). Past results don't predict the future. How we measure this ↗

May 2026
2026-05-07 10b5-1 Plan
medium
PRESIDENT AND CEO
7,468 shares
$1,170,609
@ $156.75
Significance 5

ACLS President & CEO Russell sells $1.17M in stock near 52-week highs as company faces declining revenue.

Russell, in his capacity as President and CEO, sold over $1.17 million in ACLS shares near the company's 52-week highs, where the stock has rallied sharply over the prior quarter. The sale represents approximately 5.7% of his holdings, a material reduction in personal stake at a time when the company's fundamentals show declining revenue year-over-year, even though the business remains profitable with strong absolute earnings. Russell's trading history in ACLS is mixed—he made one prior purchase on record, whose outcome remains too recent to evaluate, but outcome data for his three prior sales are not yet available, making it difficult to assess whether his timing decisions have historically favored shareholders. Taken together, a C-suite officer selling a substantial block near all-time highs while the company navigates revenue headwinds warrants investor attention, though the absence of a broader insider selling pattern means this remains a single executive decision rather than a company-wide signal.

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