KLA CORP (KLAC)
Latest KLAC Insider Trades
About KLA CORP (KLAC)
KLA is one of the largest semiconductor wafer fabrication equipment, or WFE, manufacturers in the world. It specializes in the market segment of semiconductor process control, wherein machines inspect semiconductor wafers during research and development and manufacturing for defects and verify precise measurements. In this section of the market, KLA holds a majority share. It also has a small exposure to the etch and deposition segments of the WFE market. It counts as top customers the largest chipmakers in the world, including TSMC and Samsung.
- MILPITAS, CA
- 17,200
- 1980
- XNAS
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 16 | 309,227 | $74.48M |
| Grant or award | 17 | 983,320 | |
| Tax withholding / forfeiture | 46 | 701,817 |
KLAC Insider Transactions (Form 4)
39103 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 2 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Bren D. Higgins - Officer | Tax withholding / forfeiture | Common Stock | 4,504 |
Recent KLAC Form 8-K Filings
5Recent KLAC Form 144 Notices of Proposed Sale
3A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Lorig Brian | Officer | 59,586 | $12.40M | View on EDGAR | |
| Higgins Bren D. | Officer |
KLAC Insider Trading - FAQ
What is the latest insider trade for KLAC?
KLA CORP (KLAC) had 40 insider filings in the last 90 days, with the most recent on 2026-08-14. The full record for KLAC runs to 103 Form 4 filings, the earliest from 2024-11-08. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying KLAC stock?
No insider purchases of KLAC were filed in the last 90 days.
How many insiders are selling KLAC stock?
16 insider sales of KLAC were filed in the last 90 days, totaling $74.48M.
Where can I see KLAC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks KLAC Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow KLAC insider buys?
Create a free InsiderAlpha account and press Watch on this page to add KLAC to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Information Technology Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - Brian Lorig view on EDGAR
- - Bren D. Higgins view on EDGAR
- - Ahmad A. Khan view on EDGAR
- - Richard P. Wallace view on EDGAR
- - Virendra A. Kirloskar view on EDGAR
- - Mary Beth Wilkinson view on EDGAR
- - Richard P. Wallace view on EDGAR
- - Brian Lorig view on EDGAR
- - Mary Beth Wilkinson view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Information Technology
- Where KLAC's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track KLAC insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.