| Brian Lorig | EVP, KLA Global Services | Sale | 2025-08-12 | 8,049 | $7.4M |
| Richard P Wallace | President and CEO | Sale | 2025-08-12 | 10,801 | $9.9M |
| Bren D. Higgins | EVP & Chief Financial Officer | Sale | 2025-08-20 | 2,301 | $2.0M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Sale | 2025-08-29 | 13,716 | $12.1M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Sale | 2025-09-05 | 4,564 | $4.1M |
| Richard P Wallace | President and CEO | Sale | 2025-11-11 | 10,803 | $13.0M |
| Bren D. Higgins | EVP & Chief Financial Officer | Sale | 2025-12-16 | 2,254 | $2.8M |
| Jeneanne Michelle Hanley | — | Sale | 2026-05-11 | 550 | $1.0M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2026-05-11 | 297 | $558K |
| Richard P Wallace | President and CEO | Sale | 2026-05-12 | 4,512 | $8.1M |
| Richard P Wallace | President and CEO | Sale | 2026-06-11 | 4,512 | $10.0M |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-06-30 | 12,222.413 | $3.4M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Other | 2026-06-30 | 196.16 | $21K |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-06-30 | 30,566.963 | $8.5M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Other | 2026-06-30 | 196.16 | $21K |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-06-30 | 10,259.765 | $2.9M |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-06-30 | 45,850.444 | $12.8M |
| Richard P Wallace | President and CEO | Other | 2026-06-30 | 196.16 | $21K |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-06-30 | 30,566.963 | $8.5M |
| Bren D. Higgins | EVP & Chief Financial Officer | Other | 2026-06-30 | 196.16 | $21K |
| Brian Lorig | EVP, KLA Global Services | Other | 2026-06-30 | 196.16 | $21K |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 2026-07-01 | 14,392 | $4.1M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2026-07-02 | 196 | $52K |
| Bren D. Higgins | EVP & Chief Financial Officer | Sale | 2026-07-02 | 27,701 | $7.4M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-08-01 | 1,338.781 | $245K |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-08-01 | 13,213.071 | $2.4M |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-08-01 | 3,004.549 | $549K |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Tax Withhold | 2026-08-01 | 373.464 | $68K |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-08-01 | 4,503.907 | $823K |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-08-01 | 4,503.907 | $823K |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Tax Withhold | 2026-08-03 | 730.185 | $133K |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-08-03 | 7,223.806 | $1.3M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-08-03 | 1,785.04 | $326K |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-08-03 | 3,282.197 | $600K |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-08-03 | 7,223.806 | $1.3M |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-08-03 | 19,440.319 | $3.6M |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-08-04 | 109,737.894 | $20.1M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-08-04 | 10,036.642 | $1.8M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 2026-08-04 | 4,295 | $823K |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Tax Withhold | 2026-08-04 | 4,429.973 | $810K |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2026-08-04 | 1,565 | $300K |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-08-04 | 29,557.118 | $5.4M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-08-04 | 31,037.082 | $5.7M |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-08-04 | 14,774.842 | $2.7M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2026-08-05 | 4,504 | $881K |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 2026-08-05 | 13,802 | $2.7M |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-08-06 | 133,948.304 | $25.8M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-08-06 | 15,874.775 | $3.1M |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-08-06 | 52,646.871 | $10.2M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Tax Withhold | 2026-08-06 | 2,364.967 | $456K |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-08-06 | 22,242.729 | $4.3M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-08-06 | 52,646.871 | $10.2M |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Tax Withhold | 2026-08-07 | 520.591 | $101K |
| Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2026-08-07 | 2,405 | $475K |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Tax Withhold | 2026-08-07 | 1,208.271 | $233K |
| Bren D. Higgins | EVP & Chief Financial Officer | Tax Withhold | 2026-08-07 | 4,531.612 | $876K |
| Brian Lorig | EVP, KLA Global Services | Tax Withhold | 2026-08-07 | 2,875.64 | $556K |
| Richard P Wallace | President and CEO | Tax Withhold | 2026-08-07 | 12,761.893 | $2.5M |
| Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 2026-08-07 | 21,831 | $4.3M |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | Tax Withhold | 2026-08-07 | 4,531.612 | $876K |