Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John T. Kurtzweil 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.
- Russell Low - $1.57M in ACLS purchases and sales in the last 12 months
- Todd Sutton - $742K in ACLS purchases and sales in the last 12 months
- Robert John Mahoney - $543K in ACLS purchases and sales in the last 12 months
- Greg Redinbo - $464K in ACLS purchases and sales in the last 12 months
- Gregory B. Graves - $457K in ACLS purchases and sales in the last 12 months
- Jorge Titinger - $408K in ACLS purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is John T. Kurtzweil?
John T. Kurtzweil is a corporate insider of AXCELIS TECHNOLOGIES INC (ACLS). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John T. Kurtzweil last file a Form 4?
The most recent primary Form 4 on record is dated 20 May 2026, one of 4 filings going back to 2025.
Has John T. Kurtzweil been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($590K) across all tracked filings.
