Kla Corp. (KLAC) Insider Trading
Directors, officers and holders of more than 10% of KLAC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 198 transactions on file: 0 with code P, 12 with code S and 38 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | WALLACE RICHARD P | President and CEO | S Sale | 72,019 | $171.88 | $12,378,626 |
| Aug 13, 2026 | Lorig Brian | EVP, KLA Global Services | S Sale | 59,586 | $208.13 | $12,401,634 |
| Aug 12, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | S Sale | 31,500 | $209.87 | $6,610,905 |
| Aug 11, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | S Sale | 33,180 | $198.95 | $6,601,161 |
| Aug 11, 2026 | WALLACE RICHARD P | President and CEO | S Sale | 87,568 | $198.95 | $17,421,654 |
| Aug 10, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | S Sale | 529 | $204.56 | $108,212 |
| Aug 10, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | S Sale | 1,661 | $204.56 | $339,774 |
| Aug 7, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | S Sale | 21,831 | $197.57 | $4,313,151 |
| Aug 7, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | S Sale | 2,405 | $197.57 | $475,156 |
| Aug 7, 2026 | WALLACE RICHARD P | President and CEO | F Tax Payment | 12,762 | $193.22 | $2,465,853 |
| Aug 7, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | F Tax Payment | 1,208 | $193.22 | $233,462 |
| Aug 7, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | F Tax Payment | 521 | $193.22 | $100,589 |
| Aug 7, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | F Tax Payment | 4,532 | $193.22 | $875,598 |
| Aug 7, 2026 | Lorig Brian | EVP, KLA Global Services | F Tax Payment | 2,876 | $193.22 | $555,631 |
| Aug 7, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | F Tax Payment | 4,532 | $193.22 | $875,598 |
| Aug 6, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | F Tax Payment | 30,975 | $192.80 | $5,972,067 |
| Aug 6, 2026 | WALLACE RICHARD P | President and CEO | F Tax Payment | 87,481 | $192.80 | $16,866,420 |
| Aug 6, 2026 | WALLACE RICHARD P | President and CEO | A Award | 93,721 | Not measured | Not measured |
| Aug 6, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | F Tax Payment | 10,520 | $192.80 | $2,028,189 |
| Aug 6, 2026 | Lorig Brian | EVP, KLA Global Services | A Award | 39,735 | Not measured | Not measured |
| Aug 6, 2026 | Lorig Brian | EVP, KLA Global Services | F Tax Payment | 9,854 | $192.80 | $1,899,856 |
| Aug 6, 2026 | WALLACE RICHARD P | President and CEO | A Award | 352,875 | Not measured | Not measured |
| Aug 6, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | A Award | 87,420 | Not measured | Not measured |
| Aug 6, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | F Tax Payment | 30,975 | $192.80 | $5,972,067 |
| Aug 6, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | F Tax Payment | 21,671 | $192.80 | $4,178,249 |
| Aug 6, 2026 | WALLACE RICHARD P | President and CEO | F Tax Payment | 46,467 | $192.80 | $8,958,813 |
| Aug 6, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | A Award | 87,420 | Not measured | Not measured |
| Aug 6, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | A Award | 62,476 | Not measured | Not measured |
| Aug 6, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | A Award | 25,440 | Not measured | Not measured |
| Aug 6, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | A Award | 62,476 | Not measured | Not measured |
| Aug 6, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | F Tax Payment | 2,365 | $192.80 | $455,966 |
| Aug 6, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | F Tax Payment | 5,355 | $192.80 | $1,032,467 |
| Aug 6, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | A Award | 9,540 | Not measured | Not measured |
| Aug 6, 2026 | WALLACE RICHARD P | President and CEO | A Award | 40,841 | Not measured | Not measured |
| Aug 6, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | F Tax Payment | 21,671 | $192.80 | $4,178,249 |
| Aug 6, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | A Award | 24,987 | Not measured | Not measured |
| Aug 6, 2026 | Lorig Brian | EVP, KLA Global Services | A Award | 24,987 | Not measured | Not measured |
| Aug 6, 2026 | Lorig Brian | EVP, KLA Global Services | F Tax Payment | 12,389 | $192.80 | $2,388,542 |
| Aug 5, 2026 | Lorig Brian | EVP, KLA Global Services | A Award | 15,961 | Not measured | Not measured |
| Aug 5, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | S Sale | 13,802 | $195.50 | $2,698,291 |
| Aug 5, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | S Sale | 4,504 | $195.50 | $880,532 |
| Aug 5, 2026 | Higgins Bren D. | EVP & Chief Financial Officer | A Award | 24,411 | Not measured | Not measured |
| Aug 5, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | A Award | 1,549 | Not measured | Not measured |
| Aug 5, 2026 | Khan Ahmad A. | President, Semi. Prod. & Cust. | A Award | 24,411 | Not measured | Not measured |
| Aug 5, 2026 | Wilkinson Mary Beth | EVP, CLO and Secretary | A Award | 5,070 | Not measured | Not measured |
| Aug 4, 2026 | Kirloskar Virendra A | SVP & Chief Accounting Officer | S Sale | 1,565 | $191.59 | $299,838 |
| Aug 4, 2026 | Lorig Brian | EVP, KLA Global Services | F Tax Payment | 3,694 | $182.75 | $675,026 |
| Aug 4, 2026 | WALLACE RICHARD P | President and CEO | F Tax Payment | 19,951 | $182.75 | $3,646,044 |
| Aug 4, 2026 | Lorig Brian | EVP, KLA Global Services | F Tax Payment | 11,081 | $182.75 | $2,025,077 |
| Aug 4, 2026 | WALLACE RICHARD P | President and CEO | F Tax Payment | 89,787 | $182.75 | $16,408,556 |
The full Form 4 history is on the KLAC company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.