St Dennis Thomas

Axcelis Technologies, Inc. · Director

St Dennis Thomas is listed in public filings as director. This St Dennis Thomas insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Axcelis Technologies, Inc. (ACLS), FormFactor, Inc. (FORM), and Veeco Instruments Inc. (VECO). Investors use St Dennis Thomas's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Axcelis Technologies, Inc.ACLS$2.7M17.7k sharesSellMay 22, 2026$139.8K900 shares$155.37--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
FormFactor, Inc.FORM$3.7M31.9k sharesSellMay 19, 2026$115.8K1k shares$115.84--
FormFactor, Inc.FORM--32.9k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable1.3k shares----
Axcelis Technologies, Inc.ACLS--18.6k sharesGrant / ExerciseMay 15, 2026Disclosure amount unavailable1.4k shares----
Veeco Instruments Inc.VECO$3.8M61.7k sharesSellMay 11, 2026$86.7K1.4k shares$61.93--
Veeco Instruments Inc.VECO--63.1k sharesGrant / ExerciseMay 8, 2026Disclosure amount unavailable2.9k shares----
FormFactor, Inc.FORM$3.1M33.4k sharesSellFeb 10, 2026$524.9K5.6k shares$93.71--
FormFactor, Inc.FORM$3.0M31.5k sharesSellFeb 10, 2026$172.5K1.8k shares$94.24--
FormFactor, Inc.FORM$1.9M39k sharesSellNov 17, 2025$99.7K2k shares$49.85--
FormFactor, Inc.FORM$1.3M41k sharesSellMay 29, 2025$93.7K3k shares$31.24--
FormFactor, Inc.FORM--44k sharesGrant / ExerciseMay 16, 2025Disclosure amount unavailable6.5k shares----
Axcelis Technologies, Inc.ACLS--17.2k sharesGrant / ExerciseMay 15, 2025Disclosure amount unavailable3.6k shares----
Veeco Instruments Inc.VECO--60.2k sharesGrant / ExerciseMay 9, 2025Disclosure amount unavailable8.3k shares----
FormFactor, Inc.FORM$1.5M37.4k sharesSellNov 5, 2024$121.2K3.1k shares$39.11--