Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

Insider Trades & Whales

Insider trades are parsed from SEC Form 4 filings (first-party). The ownership breakdown below is computed first-hand from SEC 13F-HR + Form 4 (institutions from 13F, insiders from Form 4). For the full filer list and quarter-over-quarter position changes, see the Institutional (13F) tab.

Ownership Breakdown

Insiders 4.26%Institutions 77.89%374 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 18, 2026Yeh Shu-Hua (Joshua)*** See RemarksS6,000$171.8900$1.03M
Jun 17, 2026Chang Hung-Lun (Fred)*** See RemarksS40,329$170.6000$6.88M
Jun 12, 2026Chang Hung-Lun (Fred)*** See RemarksS34,000$166.5300$5.66M
Jun 12, 2026Chang Hung-Lun (Fred)*** See RemarksF27,297$172.7800$4.72M
Jun 12, 2026Lin Chih-Hsiang (Thompson)President and CEOS59,000$166.5300$9.83M
Jun 12, 2026Lin Chih-Hsiang (Thompson)President and CEOF86,655$172.7800$14.97M
Jun 12, 2026Kuo David C*** See RemarksS29,227$166.5300$4.87M
Jun 12, 2026Kuo David C*** See RemarksF19,065$172.7800$3.29M
Jun 12, 2026Murry Stefan J.Chief Financial OfficerS33,000$166.5300$5.50M
Jun 12, 2026Murry Stefan J.Chief Financial OfficerF30,330$172.7800$5.24M
Jun 12, 2026Yeh Shu-Hua (Joshua)*** See RemarksS28,826$166.5300$4.80M
Jun 12, 2026Yeh Shu-Hua (Joshua)*** See RemarksF23,397$172.7800$4.04M
Jun 10, 2026Murry Stefan J.Chief Financial OfficerS4,000$171.4500$685.80K
Jun 9, 2026BLACK RICHARD BDirectorA1,166$0.0000$0.00
Jun 9, 2026DeLaney CynthiaDirectorA1,166$0.0000$0.00
Jun 9, 2026Chen Min-Chu (Mike)DirectorA1,166$0.0000$0.00
Jun 9, 2026Flanagan Robert JamesDirectorA1,166$0.0000$0.00
Jun 9, 2026Lin Che-WeiDirectorA1,166$0.0000$0.00
Jun 9, 2026Yeh William HDirectorA1,166$0.0000$0.00
Jun 5, 2026Chang Hung-Lun (Fred)*** See RemarksS4,000$200.0700$800.28K
Jun 4, 2026Yeh Shu-Hua (Joshua)*** See RemarksS5,000$205.3900$1.03M
Jun 4, 2026Yeh Shu-Hua (Joshua)*** See RemarksS5,000$204.7500$1.02M
Jun 2, 2026Chen Min-Chu (Mike)DirectorS8,247$201.0000$1.66M
May 28, 2026Lin Chih-Hsiang (Thompson)President and CEOJ721,811––
May 28, 2026Lin Chih-Hsiang (Thompson)President and CEOJ721,811––
May 28, 2026Lin Chih-Hsiang (Thompson)President and CEOG85,790$0.0000$0.00
May 28, 2026Lin Chih-Hsiang (Thompson)President and CEOG85,790$0.0000$0.00
May 26, 2026DeLaney CynthiaDirectorS56,575$189.2285$10.71M
May 19, 2026Yeh Shu-Hua (Joshua)*** See RemarksS39,154$173.2600$6.78M
May 19, 2026Yeh Shu-Hua (Joshua)*** See RemarksF7,928$190.3600$1.51M
May 19, 2026Lin Chih-Hsiang (Thompson)President and CEOS58,000$173.2600$10.05M
May 19, 2026Lin Chih-Hsiang (Thompson)President and CEOF86,655$190.3600$16.50M
May 19, 2026Chang Hung-Lun (Fred)*** See RemarksS33,630$173.2600$5.83M
May 19, 2026Chang Hung-Lun (Fred)*** See RemarksF27,297$190.3600$5.20M
May 19, 2026Kuo David C*** See RemarksS19,227$173.2600$3.33M
May 19, 2026Kuo David C*** See RemarksF19,064$190.3600$3.63M
May 19, 2026Murry Stefan J.Chief Financial OfficerS33,000$173.2600$5.72M
May 19, 2026Murry Stefan J.Chief Financial OfficerF30,330$190.3600$5.77M
May 15, 2026Yeh Shu-Hua (Joshua)*** See RemarksA192,170$0.0000$0.00
May 15, 2026Lin Chih-Hsiang (Thompson)President and CEOA711,743$0.0000$0.00
May 15, 2026Chang Hung-Lun (Fred)*** See RemarksA224,199$0.0000$0.00
May 15, 2026Kuo David C*** See RemarksA156,583$0.0000$0.00
May 15, 2026Murry Stefan J.Chief Financial OfficerA249,110$0.0000$0.00
May 11, 2026Murry Stefan J.Chief Financial OfficerS4,000$159.5254$638.10K
Apr 22, 2026Yeh Shu-Hua (Joshua)*** See RemarksF686$150.5700$103.29K
Apr 22, 2026Yeh Shu-Hua (Joshua)*** See RemarksF861$150.5700$129.64K
Apr 22, 2026Yeh Shu-Hua (Joshua)*** See RemarksF609$150.5700$91.70K
Apr 22, 2026Yeh Shu-Hua (Joshua)*** See RemarksF2,553$150.5700$384.40K
Apr 22, 2026Kuo David C*** See RemarksF447$150.5700$67.30K
Apr 22, 2026Kuo David C*** See RemarksF567$150.5700$85.37K