KLA CORP Insider Trading Activity
Every SEC Form 4 insider transaction reported for KLA CORP (KLAC), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are KLAC insiders buying or selling?
In the last 12 months, KLA CORP insiders reported 0 open-market purchases ($0) and 22 sales ($112.3M) — net selling of $112.3M. Since January 2018, Trabud has recorded 248 Form 4 filings for KLAC: 2 buys ($146.2K) and 246 sells ($433.3M).
Source: SEC EDGAR Form 4
What stands out
- No KLA CORP insider made an open-market purchase in the last 12 months; the 22 reported open-market sales totaled $112.3M.
Key Statistics (January 2018 – Sep 16, 2026)
Total Form 4 filings
248
SEC EDGAR
Insider filers
18
Insider buys (2)
$146.2K
Insider sells (246)
$433.3M
Insider sentiment
Net sellingNet insider flow of $433.1M in net selling since January 2018, and $112.3M in net selling over the last 12 months.
Recent KLAC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Sep 16, 2026 | Richard P Wallace | President and CEO | Sale | 72.0K | $171.88 | $12.4M | SEC ↗ |
| Aug 14, 2026 | Brian Lorig | EVP, KLA Global Services | Sale | 59.6K | $208.13 | $12.4M | SEC ↗ |
| Aug 13, 2026 | Bren D. Higgins | EVP & Chief Financial Officer | Sale | 31.5K | $209.87 | $6.6M | SEC ↗ |
| Aug 12, 2026 | Ahmad A. Khan | President, Semi. Prod. & Cust. | Sale | 33.2K | $198.95 | $6.6M | SEC ↗ |
| Aug 12, 2026 | Richard P Wallace | President and CEO | Sale | 87.6K | $198.95 | $17.4M | SEC ↗ |
| Aug 11, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 529 | $204.56 | $108.2K | SEC ↗ |
| Aug 11, 2026 | Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 1.7K | $204.56 | $339.8K | SEC ↗ |
| Aug 10, 2026 | Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 21.8K | $197.57 | $4.3M | SEC ↗ |
| Aug 10, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 2.4K | $197.57 | $475.2K | SEC ↗ |
| Aug 5, 2026 | Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 13.8K | $195.50 | $2.7M | SEC ↗ |
| Aug 5, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 4.5K | $195.50 | $880.5K | SEC ↗ |
| Aug 4, 2026 | Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 4.3K | $191.59 | $822.9K | SEC ↗ |
| Aug 4, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 1.6K | $191.59 | $299.8K | SEC ↗ |
| Jul 6, 2026 | Bren D. Higgins | EVP & Chief Financial Officer | Sale | 27.7K | $265.69 | $7.4M | SEC ↗ |
| Jul 6, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 196 | $265.69 | $52.1K | SEC ↗ |
| Jul 2, 2026 | Mary Beth Wilkinson | EVP, CLO and Secretary | Sale | 14.4K | $285.30 | $4.1M | SEC ↗ |
| Jun 11, 2026 | Richard P Wallace | President and CEO | Sale | 4.5K | $2213.37 | $10.0M | SEC ↗ |
| May 12, 2026 | Richard P Wallace | President and CEO | Sale | 4.5K | $1794.00 | $8.1M | SEC ↗ |
| May 12, 2026 | Virendra A Kirloskar | SVP & Chief Accounting Officer | Sale | 297 | $1879.02 | $558.1K | SEC ↗ |
| May 12, 2026 | Jeneanne Michelle Hanley | Director | Sale | 550 | $1874.71 | $1.0M | SEC ↗ |
| Dec 18, 2025 | Bren D. Higgins | EVP & Chief Financial Officer | Sale | 2.3K | $1237.01 | $2.8M | SEC ↗ |
| Nov 13, 2025 | Richard P Wallace | President and CEO | Sale | 10.8K | $1203.10 | $13.0M | SEC ↗ |
| Sep 9, 2025 | Ahmad A. Khan | President, Semi. Prod. & Cust. | Sale | 4.6K | $900.00 | $4.1M | SEC ↗ |
| Sep 2, 2025 | Ahmad A. Khan | President, Semi. Prod. & Cust. | Sale | 13.7K | $881.50 | $12.1M | SEC ↗ |
| Aug 22, 2025 | Bren D. Higgins | EVP & Chief Financial Officer | Sale | 2.3K | $878.53 | $2.0M | SEC ↗ |
Showing the 25 most recent of 248 Form 4 filings for KLA CORP.
Most active KLAC insiders
- Brian Lorig39 filings
- Virendra A Kirloskar39 filings
- Bren D. Higgins37 filings
- Richard P Wallace26 filings
- Ahmad A. Khan25 filings
Ask anything about KLAC insider activity
Use Trabud's AI agent to query KLA CORP's Form 4 history in plain English — "Show me KLAC CEO purchases this year" or compare it against any other ticker.
Open the AI agentKLAC insider trading FAQ
Are KLA CORP insiders buying or selling?
In the last 12 months, KLA CORP insiders reported 0 open-market purchases ($0) and 22 sales ($112.3M) — net selling of $112.3M. Since January 2018, Trabud has recorded 248 Form 4 filings for KLAC: 2 buys ($146.2K) and 246 sells ($433.3M). Over the full record that is net selling of $433.1M.
How many insiders trade KLAC stock?
18 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for KLA CORP. The most recent filing was accepted on Sep 16, 2026.
Where does Trabud get KLAC insider trading data?
All KLAC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.