Chiu Tzu Yin
- SEC CIK
- 0001738290
No open-market purchases or sales filed in the past year.
Current role at each company
- ACLS Axcelis Technologies IncDirectoras of May 18, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- –
- 0 filings
- Net
- –
- Bought minus sold
- Companies
- 0
- With open-market trades
Trades
Every Form 4 that lists Chiu Tzu Yin as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2023 (view filing) | May 16 | Same day | Chiu Tzu YinDirector | SSale | −15.0K | $129.50 | −$1.94M | −74.4%5.16K after | |
| May 9, 2023 (view filing) | May 9 | Same day | Chiu Tzu YinDirector | SSale | −10.0K | $118.50 | −$1.19M | −34.6%18.9K after | |
| Feb 14, 2023 (view filing) | Feb 1 | 13 daysLate | Chiu Tzu YinDirector | SSale | −1.70K | $127.12 | −$216.1K | −5.6%28.9K after |