Liang Choo Hsia
CIK 1538840 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 5, 2012 · Latest: Jan. 5, 2012
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 |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 6, 2016 | PLAB | S | 5,000 | $12.07 | $60,350 | 42,000 Direct | -10.64% | Disposed | 154.4% (price as of 2026-08-21) |
| March 31, 2015 | PLAB | S | 5,000 | $8.52 | $42,600 | 35,000 Direct | -12.50% | Disposed | 260.4% (price as of 2026-08-21) |
| Dec. 16, 2013 | PLAB | S | 6,000 | $8.73 | $52,380 | 28,000 Direct | -17.65% | Disposed | 251.8% (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.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 3, 2012 | PLAB | Stock Options (Right to Buy) | Common Stock (12,000) | $6.14 | Jan. 3, 2022 | 12,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).