Tzu Yin Chiu
CIK 1738290 · View on SEC EDGAR ↗
Insider
First SEC filing: May 16, 2018 · Latest: May 16, 2018
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 16, 2023 | ACLS | S | 15,000 | $129.50 | $1,942,500 | 5,155 Direct | -74.42% | Disposed | -3.2% (price as of 2026-08-21) |
| May 9, 2023 | ACLS | S | 10,000 | $118.50 | $1,185,000 | 18,873 Direct | -34.63% | Disposed | 5.8% (price as of 2026-08-21) |
| Feb. 1, 2023 | ACLS | S | 1,700 | $127.12 | $216,104 | 28,873 Direct | -5.56% | Disposed | -1.4% (price as of 2026-08-21) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 16, 2018 | ACLS | Common Stock | — | Direct |