Form 4 for KLAC KLA Corporation
Accepted 2026-08-04 17:27:02 ET · period of report 2026-08-04 · accession 0001193125-26-333148 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-08-04 17:27 | 2026-08-04 | KLAC | Wilkinson Mary Beth | EVP, CLO, Sec | F - Tax | $182.75 | -10.0K | 40.2K | -20% | -$1.83M |
| T | 2026-08-04 17:27 | 2026-08-04 | KLAC | Wilkinson Mary Beth | EVP, CLO, Sec | S - Sale | $191.59 | -4,295 | 35.9K | -11% | -$822.9K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-08-04 | F | D | 2,509.16 | $182.75 | 47,734.31 | D | — | — | (F1) On August 4, 2022, the Reporting Person was granted restricted stock units ("RSUs") of shares of KLA common stock. On August 4, 2026, twenty-five percent (25%) of the RSUs vested. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 3, 2026. (F2) The number of shares of KLA common stock includes 39,917.820 shares issuable upon vesting of RSUs. |
| 2 | Common | Common Stock | 2026-08-04 | F | D | 7,527.48 | $182.75 | 40,206.83 | D | — | — | (F3) On August 4, 2022, in addition to the RSUs granted that were subject to only service-based vesting conditions, the Reporting Person was also granted RSUs with both performance-based and service-based vesting conditions ("PRSUs") for a target number of shares of KLA common stock. On August 7, 2025, KLA's Board of Directors and Compensation and Talent Committee determined that the performance conditions applicable to these PRSUs were satisfied. The remaining fifty percent (50%) of the PRSUs vested on August 4, 2026. Pursuant to the terms of the grant, shares of KLA common stock were automatically withheld at vesting to cover required tax withholding. The fair market value of KLA common stock used for purposes of calculating the number of shares to be withheld was the closing price of KLA common stock as reported on August 3, 2026. (F4) The number of shares of KLA common stock includes 22,037.820 shares issuable upon vesting of restricted stock units RSUs. |
| 3 | Common | Common Stock | 2026-08-04 | S | D | 4,295 | $191.59 | 35,911.83 | D | — | — | (F5) This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on February 2, 2026. (F4) The number of shares of KLA common stock includes 22,037.820 shares issuable upon vesting of restricted stock units RSUs. |