The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 17, 2026 | Paladino Mary | Director | Disposed to issuer(D) | 23K | $47.77 | $1.1M |
| Apr 17, 2026 | Zhang Rui | VP, CAO & Corporate Controller | Sell(S) | 5K | $46.70 | $213K |
| Apr 16, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $46.05 | $461K |
| Apr 16, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $45.80 | $458K |
| Apr 15, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $45.10 | $451K |
| Apr 14, 2026 | Macricostas Constantine S | Director | Sell(S) | 50K | $45.35 | $2.3M |
| Apr 14, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 19K | $45.30 | $872K |
| Apr 13, 2026 | Lewis Adam M | Director | Grant(A) | 4K | — | $0 |
| Apr 13, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $8.60 | $43K |
| Apr 13, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $45.00 | $225K |
| Apr 13, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Apr 13, 2026 | Liao Daniel JL | Director | Grant(A) | 4K | — | $0 |
| Apr 13, 2026 | Almeida Michelle | Director | Grant(A) | 4K | — | $0 |
| Apr 13, 2026 | Garcia David A. | Director | Grant(A) | 4K | — | $0 |
| Apr 13, 2026 | Macricostas Constantine S | Director | Grant(A) | 4K | — | $0 |
| Apr 13, 2026 | Rivera Eric | President, CFO | Option exercise(M) | 1K | $9.78 | $10K |
| Apr 13, 2026 | Rivera Eric | President, CFO | Sell(S) | 1K | $44.77 | $45K |
| Apr 13, 2026 | Rivera Eric | President, CFO | Option exercise(M) | 1K | — | $0 |
| Apr 13, 2026 | Tyson Mitchell G | Director | Grant(A) | 4K | — | $0 |
| Apr 9, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 12K | $44.25 | $525K |
| Apr 9, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $8.60 | $43K |
| Apr 9, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $44.00 | $220K |
| Apr 9, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Apr 9, 2026 | Rivera Eric | President, CFO | Sell(S) | 882 | $44.00 | $39K |
| Apr 9, 2026 | Rivera Eric | President, CFO | Sell(S) | 41K | $44.00 | $1.8M |
| Apr 8, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $8.60 | $43K |
| Apr 8, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $43.27 | $216K |
| Apr 8, 2026 | Macricostas George | CEO | Sell(S) | 7K | $43.27 | $281K |
| Apr 8, 2026 | Macricostas George | CEO | Sell(S) | 6K | $43.28 | $238K |
| Apr 8, 2026 | Macricostas George | CEO | Sell(S) | 109K | $42.90 | $4.7M |
| Apr 8, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 10K | $42.69 | $427K |
| Apr 8, 2026 | Zhang Rui | VP, CAO & Corporate Controller | Sell(S) | 2K | $43.50 | $76K |
| Apr 6, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $8.60 | $43K |
| Apr 6, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $40.53 | $203K |
| Apr 6, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Apr 6, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Apr 2, 2026 | Macricostas Constantine S | Director | Gift(G) | 37K | — | $0 |
| Apr 1, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $10.75 | $54K |
| Apr 1, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $42.00 | $210K |
| Apr 1, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Apr 1, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 4K | $42.00 | $176K |
| Apr 1, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 4K | $42.14 | $173K |
| Apr 1, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Sell(S) | 2K | $42.15 | $72K |
| Apr 1, 2026 | Tyson Mitchell G | Director | Sell(S) | 10K | $42.31 | $423K |
| Apr 1, 2026 | Macricostas Constantine S | Director | Gift(G) | 13K | — | $0 |
| Mar 26, 2026 | Lee Kang Jyh | Director | Sell(S) | 5K | $40.80 | $204K |
| Mar 26, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | $10.75 | $54K |
| Mar 26, 2026 | Lee Kang Jyh | Director | Option exercise(M) | 5K | — | $0 |
| Mar 23, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $39.00 | $390K |
| Mar 19, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $35.80 | $358K |
| Feb 9, 2026 | Rivera Eric | President, CFO | Grant(A) | 23K | — | $0 |
| Feb 9, 2026 | Alesio Todd Anthony | SVP, CAO | Grant(A) | 983 | — | $0 |
| Feb 9, 2026 | Zhang Rui | VP, CAO & Corporate Controller | Grant(A) | 1K | — | $0 |
| Jan 20, 2026 | Almeida Michelle | Director | Grant(A) | 1K | — | $0 |
| Jan 20, 2026 | Liao Daniel JL | Director | Grant(A) | 1K | — | $0 |
| Jan 16, 2026 | Park Han Kyung | SVP & GM of FPD Ops | Sell(S) | 6K | $34.89 | $218K |
| Jan 16, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $34.51 | $345K |
| Jan 15, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $34.13 | $341K |
| Jan 13, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $34.42 | $344K |
| Jan 13, 2026 | Park Han Kyung | SVP & GM of FPD Ops | Sell(S) | 8K | $33.70 | $253K |
| Jan 12, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $33.05 | $331K |
| Jan 7, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $34.83 | $348K |
| Jan 6, 2026 | Tyson Mitchell G | Director | Sell(S) | 5K | $35.21 | $176K |
| Jan 6, 2026 | Paladino Mary | Director | Sell(S) | 11K | $35.11 | $395K |
| Jan 6, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $35.41 | $354K |
| Jan 5, 2026 | Lee Kang Jyh | Director | Sell(S) | 10K | $33.90 | $339K |
| Jan 3, 2026 | Macricostas George | CEO | Grant(A) | 177K | — | $0 |
| Jan 3, 2026 | Rivera Eric | EVP, CFO | Grant(A) | 40K | — | $0 |
| Jan 3, 2026 | Wang Hsueh-Chun | SVP/COO IC & US/EU Mnstrm Ops | Grant(A) | 28K | — | $0 |
| Jan 3, 2026 | Park Han Kyung | SVP & GM of FPD Ops | Grant(A) | 24K | — | $0 |
| Jan 3, 2026 | Macricostas Constantine S | Director | Grant(A) | 1K | — | $0 |
| Jan 3, 2026 | Garcia David A. | Director | Grant(A) | 1K | — | $0 |
| Jan 3, 2026 | Lewis Adam M | Director | Grant(A) | 1K | — | $0 |
| Jan 3, 2026 | Tyson Mitchell G | Director | Grant(A) | 1K | — | $0 |
| Jan 3, 2026 | Paladino Mary | Director | Grant(A) | 1K | — | $0 |
| Jan 2, 2026 | Rivera Eric | EVP, CFO | Tax withholding(F) | 1K | $33.41 | $46K |
| Jan 2, 2026 | Rivera Eric | EVP, CFO | Tax withholding(F) | 1K | $33.41 | $34K |
| Jan 2, 2026 | Rivera Eric | EVP, CFO | Tax withholding(F) | 686 | $33.41 | $23K |
| Jan 2, 2026 | Rivera Eric | EVP, CFO | Tax withholding(F) | 3K | $33.41 | $99K |
| Jan 2, 2026 | Lee Kang Jyh | Director | Sell(S) | 9K | $33.54 | $293K |
| Dec 22, 2025 | Lee Kang Jyh | Director | Sell(S) | 9K | $34.31 | $300K |
| Dec 15, 2025 | Lee Kang Jyh | Director | Option exercise(M) | 20K | $11.35 | $227K |
| Dec 15, 2025 | Lee Kang Jyh | Director | Sell(S) | 20K | $36.45 | $729K |
| Dec 15, 2025 | Lee Kang Jyh | Director | Option exercise(M) | 20K | — | $0 |
| Dec 12, 2025 | Lee Kang Jyh | Director | Sell(S) | 20K | $38.53 | $771K |
| Dec 12, 2025 | Park Han Kyung | SVP & GM of FPD Ops | Sell(S) | 14K | $37.99 | $522K |
| Dec 12, 2025 | Tyson Mitchell G | Director | Sell(S) | 5K | $36.17 | $181K |
| Dec 12, 2025 | Progler Christopher J | EVP, Chief Technology Officer | Sell(S) | 25K | $35.78 | $895K |
| Dec 1, 2025 | Progler Christopher J | EVP, Chief Technology Officer | Sell(S) | 10K | $22.52 | $225K |
| Oct 14, 2025 | Rivera Eric | EVP, CFO | Grant(A) | 882 | $19.83 | $17K |
| Oct 7, 2025 | Tyson Mitchell G | Director | Sell(S) | 5K | $25.04 | $125K |
| Oct 6, 2025 | Lee Kang Jyh | Director | Sell(S) | 10K | $25.33 | $253K |
| Oct 2, 2025 | Paladino Mary | Director | Sell(S) | 43K | $24.00 | $1.0M |
| Oct 1, 2025 | Rivera Eric | EVP, CFO | Tax withholding(F) | 2K | — | $0 |
| Sep 3, 2025 | Park Han Kyung | SVP & GM of FPD Ops | Sell(S) | 15K | $22.00 | $330K |
| Sep 2, 2025 | Progler Christopher J | EVP, Chief Technology Officer | Sell(S) | 10K | $21.93 | $219K |
| Aug 29, 2025 | Lee Kang Jyh | Director | Sell(S) | 9K | $23.20 | $203K |
| Jul 28, 2025 | Progler Christopher J | EVP, Chief Technology Officer | Buy(S) | 10K | $21.07 | $211K |
| Jul 10, 2025 | Tyson Mitchell G | Director | Sell(S) | 15K | $19.97 | $300K |
| Jul 9, 2025 | Macricostas George | CEO | Grant(A) | 110K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2019-12-30 → 2026-08-06. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for PLAB