Summary
Updated Aug 31, 2026
Russell Low is PRESIDENT AND CEO of AXCELIS TECHNOLOGIES INC (ACLS). 9 SEC Form 4 filings on record going back to 2025, most recently on 20 May 2026. Most recent open-market trade: sold $1.17M of ACLS on 7 May 2026. Lifetime open-market sales: $1.57M.
Recent Transactions
17Every recent SEC Form 4 transaction Russell Low has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Russell Low go back to 2025: 9 primary Form 4 filings, an average of 4.5 per year. 4 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Russell Low files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Todd Sutton - $742K of ACLS open-market activity in the last 12 months
- Robert John Mahoney - $543K of ACLS open-market activity in the last 12 months
- John T. Kurtzweil - $486K of ACLS open-market activity in the last 12 months
- Greg Redinbo - $464K of ACLS open-market activity in the last 12 months
- Gregory B. Graves - $457K of ACLS open-market activity in the last 12 months
- Jorge Titinger - $408K of ACLS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Russell Low?
Russell Low is a corporate insider, tracked as PRESIDENT AND CEO of AXCELIS TECHNOLOGIES INC (ACLS). InsiderAlpha holds 9 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Russell Low last file a Form 4?
The most recent primary Form 4 on record is dated 20 May 2026, one of 9 filings going back to 2025.
Has Russell Low been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($1.57M) across all tracked filings.
Where can I see all of Russell Low's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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