PLAB Insider Transactions
1,034 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
PLAB insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| ZHANG RUI | VP, CAO & Corporate Controller | 2026-04-17 | Sale | 4,556.0 | $46.7 |
|---|
| Lee Kang Jyh | Director | 2026-04-16 | Sale | 10,000.0 | $45.8 |
|---|
| Lee Kang Jyh | Director | 2026-04-16 | Sale | 10,000.0 | $46.05 |
|---|
| Lee Kang Jyh | Director | 2026-04-15 | Sale | 10,000.0 | $45.1 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-14 | Sale | 19,250.0 | $45.3 |
|---|
| MACRICOSTAS CONSTANTINE S | Director | 2026-04-14 | Sale | 50,000.0 | $45.35 |
|---|
| Lee Kang Jyh | Director | 2026-04-13 | Sale | 5,000.0 | $45.0 |
|---|
| Rivera Eric | President, CFO | 2026-04-13 | Sale | 1,000.0 | $44.77 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-09 | Sale | 11,875.0 | $44.25 |
|---|
| Rivera Eric | President, CFO | 2026-04-09 | Sale | 40,635.0 | $44.0 |
|---|
| Rivera Eric | President, CFO | 2026-04-09 | Sale | 882.0 | $44.0 |
|---|
| Lee Kang Jyh | Director | 2026-04-09 | Sale | 5,000.0 | $44.0 |
|---|
| MACRICOSTAS GEORGE | CEO | 2026-04-08 | Sale | 109,194.0 | $42.9 |
|---|
| MACRICOSTAS GEORGE | CEO | 2026-04-08 | Sale | 5,500.0 | $43.28 |
|---|
| MACRICOSTAS GEORGE | CEO | 2026-04-08 | Sale | 6,500.0 | $43.27 |
|---|
| ZHANG RUI | VP, CAO & Corporate Controller | 2026-04-08 | Sale | 1,752.0 | $43.5 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-08 | Sale | 10,000.0 | $42.69 |
|---|
| Lee Kang Jyh | Director | 2026-04-08 | Sale | 5,000.0 | $43.27 |
|---|
| Lee Kang Jyh | Director | 2026-04-06 | Sale | 5,000.0 | $40.53 |
|---|
| TYSON MITCHELL G | Director | 2026-04-01 | Sale | 10,000.0 | $42.31 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-01 | Sale | 1,714.0 | $42.15 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-01 | Sale | 4,100.0 | $42.14 |
|---|
| Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | 2026-04-01 | Sale | 4,186.0 | $42.0 |
|---|
| Lee Kang Jyh | Director | 2026-04-01 | Sale | 5,000.0 | $42.0 |
|---|
| Lee Kang Jyh | Director | 2026-03-26 | Sale | 5,000.0 | $40.8 |
|---|
| Lee Kang Jyh | Director | 2026-03-23 | Sale | 10,000.0 | $39.0 |
|---|
| Lee Kang Jyh | Director | 2026-03-19 | Sale | 10,000.0 | $35.8 |
|---|
| Lee Kang Jyh | Director | 2026-01-16 | Sale | 10,000.0 | $34.51 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2026-01-16 | Sale | 6,250.0 | $34.89 |
|---|
| Lee Kang Jyh | Director | 2026-01-15 | Sale | 10,000.0 | $34.13 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2026-01-13 | Sale | 7,500.0 | $33.7 |
|---|
| Lee Kang Jyh | Director | 2026-01-13 | Sale | 10,000.0 | $34.42 |
|---|
| Lee Kang Jyh | Director | 2026-01-12 | Sale | 10,000.0 | $33.05 |
|---|
| Lee Kang Jyh | Director | 2026-01-07 | Sale | 10,000.0 | $34.83 |
|---|
| Lee Kang Jyh | Director | 2026-01-06 | Sale | 10,000.0 | $35.41 |
|---|
| Paladino Mary | Director | 2026-01-06 | Sale | 11,250.0 | $35.11 |
|---|
| TYSON MITCHELL G | Director | 2026-01-06 | Sale | 5,000.0 | $35.21 |
|---|
| Lee Kang Jyh | Director | 2026-01-05 | Sale | 10,000.0 | $33.9 |
|---|
| Lee Kang Jyh | Director | 2026-01-02 | Sale | 8,750.0 | $33.54 |
|---|
| Lee Kang Jyh | Director | 2025-12-22 | Sale | 8,750.0 | $34.31 |
|---|
| Lee Kang Jyh | Director | 2025-12-15 | Sale | 20,000.0 | $36.45 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2025-12-12 | Sale | 25,000.0 | $35.78 |
|---|
| TYSON MITCHELL G | Director | 2025-12-12 | Sale | 5,000.0 | $36.17 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2025-12-12 | Sale | 13,750.0 | $37.99 |
|---|
| Lee Kang Jyh | Director | 2025-12-12 | Sale | 20,000.0 | $38.53 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2025-12-01 | Sale | 10,000.0 | $22.52 |
|---|
| TYSON MITCHELL G | Director | 2025-10-07 | Sale | 5,000.0 | $25.04 |
|---|
| Lee Kang Jyh | Director | 2025-10-06 | Sale | 10,000.0 | $25.33 |
|---|
| Paladino Mary | Director | 2025-10-02 | Sale | 42,750.0 | $24.0 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2025-09-03 | Sale | 15,000.0 | $22.0 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2025-09-02 | Sale | 10,000.0 | $21.93 |
|---|
| Lee Kang Jyh | Director | 2025-08-29 | Sale | 8,750.0 | $23.2 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2025-07-28 | Sale | 10,000.0 | $21.07 |
|---|
| TYSON MITCHELL G | Director | 2025-07-10 | Sale | 15,000.0 | $19.97 |
|---|
| MACRICOSTAS CONSTANTINE S | Director | 2025-07-02 | Sale | 29,500.0 | $20.2 |
|---|
| Garcia David A. | Director | 2025-06-27 | Purchase | 2,650.0 | $19.0 |
|---|
| Lee Kang Jyh | Director | 2025-06-20 | Sale | 4,882.0 | $18.35 |
|---|
| Lee Kang Jyh | Director | 2025-06-18 | Sale | 28,118.0 | $18.4 |
|---|
| FIEDEROWICZ WALTER M | Other | 2025-04-17 | Sale | 5,000.0 | $17.79 |
|---|
| FIEDEROWICZ WALTER M | Other | 2025-04-15 | Sale | 7,548.0 | $17.87 |
|---|
| FIEDEROWICZ WALTER M | Other | 2025-04-09 | Sale | 7,000.0 | $18.88 |
|---|
| FIEDEROWICZ WALTER M | Other | 2025-04-03 | Sale | 5,000.0 | $19.16 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-03-26 | Sale | 10,000.0 | $21.6 |
|---|
| FIEDEROWICZ WALTER M | Director | 2025-03-25 | Sale | 10,000.0 | $21.63 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2025-03-24 | Sale | 10,000.0 | $21.59 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-03-19 | Sale | 10,000.0 | $21.6 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-03-05 | Sale | 10,000.0 | $20.9 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-01-17 | Sale | 10,000.0 | $24.47 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-01-16 | Sale | 8,750.0 | $24.4 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2025-01-07 | Sale | 11,250.0 | $24.63 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2025-01-06 | Sale | 11,250.0 | $24.29 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-01-06 | Sale | 10,000.0 | $25.02 |
|---|
| FIEDEROWICZ WALTER M | Director | 2025-01-03 | Sale | 10,000.0 | $24.13 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-01-02 | Sale | 8,750.0 | $24.2 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2025-01-02 | Sale | 8,750.0 | $24.0 |
|---|
| Park Han Kyung | SVP & GM of FPD Ops | 2024-12-24 | Sale | 11,250.0 | $23.8 |
|---|
| FIEDEROWICZ WALTER M | Director | 2024-12-24 | Sale | 10,000.0 | $24.01 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2024-12-24 | Sale | 17,500.0 | $24.0 |
|---|
| LEWIS ADAM M | Director | 2024-12-20 | Sale | 19,750.0 | $24.11 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2024-12-20 | Sale | 8,750.0 | $24.33 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2024-12-19 | Sale | 10,000.0 | $25.25 |
|---|
| Lee Kang Jyh | CHIEF EXECUTIVE OFFICER | 2024-12-19 | Sale | 10,000.0 | $25.29 |
|---|
| TYSON MITCHELL G | Director | 2024-12-19 | Sale | 20,000.0 | $25.06 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 7,500.0 | $24.81 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 11,250.0 | $24.87 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 7,500.0 | $24.81 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 3,750.0 | $24.86 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 13,866.0 | $24.9 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2024-12-19 | Sale | 19,134.0 | $24.83 |
|---|
| TYSON MITCHELL G | Director | 2023-01-03 | Sale | 2,000.0 | $17.33 |
|---|
| TYSON MITCHELL G | Director | 2022-12-01 | Sale | 2,000.0 | $18.94 |
|---|
| TYSON MITCHELL G | Director | 2022-11-01 | Sale | 2,000.0 | $16.53 |
|---|
| TYSON MITCHELL G | Director | 2022-10-03 | Sale | 2,000.0 | $15.0 |
|---|
| TYSON MITCHELL G | Director | 2022-09-01 | Sale | 2,000.0 | $16.47 |
|---|
| TYSON MITCHELL G | Director | 2022-08-01 | Sale | 2,000.0 | $23.54 |
|---|
| TYSON MITCHELL G | Director | 2022-07-01 | Sale | 2,000.0 | $19.08 |
|---|
| TYSON MITCHELL G | Director | 2022-06-01 | Sale | 2,000.0 | $21.91 |
|---|
| TYSON MITCHELL G | Director | 2022-05-02 | Sale | 2,000.0 | $15.0 |
|---|
| Progler Christopher J | EVP, Chief Technology Officer | 2022-04-04 | Sale | 11,481.0 | $16.54 |
|---|
| TYSON MITCHELL G | Director | 2022-04-01 | Sale | 2,000.0 | $17.0 |
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