InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (3 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
3
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the full record of transactions filed by Chiu Tzu Yin, Director. Officer active across 1 company, notably Axcelis Technologies INC. Aggregated, 10 filings have been published. Breakdown: 0 buy · 3 sells. Total volume traded: €3.1m. History available since 17 May 2021. The latest transaction was filed on 15 May 2025 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations10 total
3,586 shares0Common StockSEC:0001415889-25-013220:0
1,662 shares0Common StockSEC:0001415889-24-013328:0
1,162 shares0Common StockSEC:0001415889-24-013220:0
15,000 shares@ US$129.5058.3% of flowCommon StockSEC:0001209191-23-029797:0
1,282 shares0Common StockSEC:0001209191-23-029462:0
10,000 shares@ US$118.5035.2% of flowCommon StockSEC:0001209191-23-028241:0
1,700 shares@ US$127.126.5% of flowCommon StockSEC:0001209191-23-009084:0
2,689 shares0Common StockSEC:0001209191-22-029136:0
3,497 shares0Common StockSEC:0001209191-21-033168
3,497 shares0Common StockSEC:0001209191-21-033168:0
10 of 10 declarations
About Chiu Tzu Yin
Tzu Yin Chiu is a Board Member at AXCELIS TECHNOLOGIES INC. He contributes to the strategic direction of the company, bringing his expertise in technology and management.
