| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Insider activity in PLAB over the last quarter tilts toward selling: insiders offloaded a net 37,000 shares worth roughly $1.1M. In the past 30 days, 0 insiders bought and 1 sold. Sales set the recent tone.
Not all activity pointed one way: 1 insider sold in the same window, though they still hold shares. Classified under Semiconductors & Semiconductor Equipment (Information Technology sector), PLAB's insider flows are most useful compared with peers in the same group.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 337.4K | $10.37M | -10,000 | |
| CEO | 334.1K | $14.33M | - | |
| VP | 165.6K | $5.92M | - | |
| CFO | 133.3K | $4.11M | - | |
| COO | 113.6K | $5.14M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | Lee Kang Jyh46 | Director | Sell | 10,000 | $30.75 | $307,500.00 | -2.9% | - | - | |
| Sep 25, 2026 | Park Han Kyung | SVP &Gm Of Fpd Ops | Sell | 9,500 | $30.37 | $288,515.00 | -12.6% | - | - | |
| Sep 24, 2026 | Lee Kang Jyh46 | Director | Sell | 7,500 | $29.50 | $221,250.00 | -2.1% | - | - | |
| Sep 22, 2026 | Lee Kang Jyh46 | Director | Sell | 10,000 | $29.70 | $297,000.00 | -2.7% | - | - | |
| Apr 17, 2026 | Zhang Rui | VP, CAO &Corporate Controller | Sell | 4,556 | $46.70 | $212,765.20 | -14.4% | -40.0% | - | |
| Apr 16, 2026 | Lee Kang Jyh46 | Director | Sell | 20,000 | $45.93 | $918,500.00 | -5.3% | -35.1% | - | |
| Apr 15, 2026 | Lee Kang Jyh46 | Director | Sell | 10,000 | $45.10 | $451,000.00 | -2.6% | -35.7% | - | |
| Apr 14, 2026 | Wang Hsueh-Chun60 | Svp/ COO Ic &Us/ Eu Mnstrm Ops | Sell | 19,250 | $45.30 | $872,025.00 | -14.5% | -37.5% | - | |
| Apr 14, 2026 | MacRicostas Constantine S | Director | Sell | 50,000 | $45.35 | $2,267,500.00 | -100% | -37.5% | - | |
| Apr 13, 2026 | Lee Kang Jyh46 | Director | Sale+OE | 5,000 | $45.00 | $225,000.00 | -1.3% | -37.5% | - |