The most recent Kla (KLAC) insider transaction: Michael R. Mcmullen (Director) received 1,669.00 shares as a grant or award on Nov 4, 2026, reported on Form 4 on Nov 5, 2026. So far in the quarter ending Dec 31, 2026, insiders were net buyers of 13.89K shares.
Over the trailing 12 months, KLAC insiders sold $99.33 million worth of shares in open-market trades, with no open-market purchases.
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Richard P Wallace | President And Ceo | 706,925 | 0 | 706,925 | 29.1% | 16 Sep, 2026 |
| 2 | Bren D. Higgins | Evp Chief Financial Officer | 307,815 | 0 | 307,815 | 12.7% | 13 Aug, 2026 |
| 3 | Edward W Barnholt | Director | 0 | 254,310 | 254,310 | 10.5% | 12 Aug, 2022 |
| 4 | Ahmad A. Khan | President, Semi. Prod. Cust. | 238,045 | 0 | 238,045 | 9.8% | 12 Aug, 2026 |
| 5 | Oreste Donzella | Executive Vice President | 169,670 | 0 | 169,670 | 7.0% | 26 Jul, 2024 |
| 6 | Gary B Moore | Director | 150,280 | 0 | 150,280 | 6.2% | 08 Nov, 2024 |
| 7 | Emiko Higashi | Director | 147,660 | 0 | 147,660 | 6.1% | 08 Nov, 2024 |
| 8 | Robert A. Rango | Director | 116,930 | 0 | 116,930 | 4.8% | 08 Nov, 2024 |
| 9 | Brian Lorig | Evp, Kla Global Services | 77,681 | 0 | 77,681 | 3.2% | 14 Aug, 2026 |
| 10 | Robert Calderoni | Director | 39,213 | 0 | 39,213 | 1.6% | 05 Nov, 2026 |
| 11 | Jeneanne Michelle Hanley | Director | 37,176 | 0 | 37,176 | 1.5% | 05 Nov, 2026 |
| 12 | Mary Beth Wilkinson | Evp, Clo And Secretary | 37,032 | 0 | 37,032 | 1.5% | 11 Aug, 2026 |
| 13 | Marie Myers | Director | 35,300 | 0 | 35,300 | 1.5% | 03 Nov, 2023 |
| 14 | Kevin Kennedy | Director | 33,816 | 0 | 33,816 | 1.4% | 05 Nov, 2026 |
| 15 | Victor Peng | Director | 19,176 | 0 | 19,176 | 0.8% | 05 Nov, 2026 |
| 16 | Michael R. Mcmullen | Director | 13,456 | 0 | 13,456 | 0.6% | 05 Nov, 2026 |
| 17 | Virendra A Kirloskar | Svp Chief Accounting Officer | 13,242 | 0 | 13,242 | 0.5% | 11 Aug, 2026 |
| 18 | Kiran M Patel | Director | 12,620 | 0 | 12,620 | 0.5% | 04 Nov, 2022 |
| 19 | Jamie Samath | Director | 5,446 | 0 | 5,446 | 0.2% | 05 Nov, 2026 |
| 20 | Susan J.S. Taylor | Director | 5,366 | 0 | 5,366 | 0.2% | 05 Nov, 2026 |
| 21 | Tracy A Embree | Director | 3,706 | 0 | 3,706 | 0.2% | 05 Nov, 2026 |
| 22 | Jason Conley | Director | 2,037 | 0 | 2,037 | 0.1% | 07 Nov, 2025 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 04 Nov, 2026 | Michael R. Mcmullen | Director | Acquired A | 1,669 | $0.00 | $0 | 13,456 | Direct |
| 04 Nov, 2026 | Tracy A Embree | Director | Acquired A | 1,669 | $0.00 | $0 | 3,706 | Direct |
| 04 Nov, 2026 | Jamie Samath | Director | Acquired A | 1,669 | $0.00 | $0 | 5,446 | Direct |
| 04 Nov, 2026 | Robert Calderoni | Director | Acquired A | 2,203 | $0.00 | $0 | 39,213 | Direct |
| 04 Nov, 2026 | Kevin Kennedy | Director | Acquired A | 1,669 | $0.00 | $0 | 33,816 | Direct |
| 04 Nov, 2026 | Victor Peng | Director | Acquired A | 1,669 | $0.00 | $0 | 19,176 | Direct |
| 04 Nov, 2026 | Susan J.S. Taylor | Director | Acquired A | 1,669 | $0.00 | $0 | 5,366 | Direct |
| 04 Nov, 2026 | Jeneanne Michelle Hanley | Director | Acquired A | 1,669 | $0.00 | $0 | 37,176 | Direct |
| 15 Sep, 2026 | Richard P Wallace | President And Ceo | Disposed S | 72,019 | $171.88 | $12.38Mn | 706,925 | Direct |
| 13 Aug, 2026 | Brian Lorig | Evp, Kla Global Services | Disposed S | 59,586 | $208.13 | $12.40Mn | 77,681 | Direct |
| 12 Aug, 2026 | Bren D. Higgins | Evp Chief Financial Officer | Disposed S | 31,500 | $209.87 | $6.61Mn | 307,815 | Direct |
| 11 Aug, 2026 | Ahmad A. Khan | President, Semi. Prod. Cust. | Disposed S | 33,180 | $198.95 | $6.60Mn | 238,045 | Direct |
| 11 Aug, 2026 | Richard P Wallace | President And Ceo | Disposed S | 87,568 | $198.95 | $17.42Mn | 778,944 | Direct |
| 10 Aug, 2026 | Mary Beth Wilkinson | Evp, Clo And Secretary | Disposed S | 1,661 | $204.56 | $339.77K | 37,032 | Direct |
| 10 Aug, 2026 | Virendra A Kirloskar | Svp Chief Accounting Officer | Disposed S | 529 | $204.56 | $108.21K | 13,242 | Direct |
| 07 Aug, 2026 | Brian Lorig | Evp, Kla Global Services | Disposed F | 2,876 | $193.22 | $555.63K | 137,267 | Direct |
| 07 Aug, 2026 | Bren D. Higgins | Evp Chief Financial Officer | Disposed F | 4,532 | $193.22 | $875.60K | 339,315 | Direct |
| 07 Aug, 2026 | Mary Beth Wilkinson | Evp, Clo And Secretary | Disposed F | 1,208 | $193.22 | $233.46K | 60,524 | Direct |
| 07 Aug, 2026 | Ahmad A. Khan | President, Semi. Prod. Cust. | Disposed F | 4,532 | $193.22 | $875.60K | 271,225 | Direct |
| 07 Aug, 2026 | Richard P Wallace | President And Ceo | Disposed F | 12,762 | $193.22 | $2.47Mn | 866,512 | Direct |