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KLA CORP (KLAC) S&P 500 NASDAQ-100 XNAS OPTICAL INSTRUMENTS & LENSES Net insider selling (90d)
Latest KLAC Insider Trades 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.
Headquarters MILPITAS, CA
Employees 17,200
Listed 1980
Exchange XNAS https://www.kla.com SEC filings for KLAC on EDGAR
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) 68 103 Form 4 filings on record, the earliest from Nov 8, 2024, newest first. Filing history page 3 of 3.
Date Insider Transaction Security Shares Price Value Aug 12, 2025 RW Richard P. Wallace - Officer Open-market sale Common Stock 10,801
Recent KLAC Form 8-K Filings 5
Recent KLAC Form 144 Notices of Proposed Sale 3 A 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 Aug 13, 2026 Lorig Brian Officer 59,586 $12.40M View on EDGAR Aug 12, 2026 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 Every 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.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track KLAC insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Aug 12, 2026
Market cap $229.35B
P/E ratio 48.10
Dividend yield -
Average volume 12.62M
52 week high $307.37
52 week low $83.22
Today's high $182.60
Today's low $174.70
Open $182.04
Volume 9.97M
Previous close $183.77
Shares outstanding 1.31B Market cap
$229.35B
17,200 employees
KLAC Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 16 sales totaling $74.48M.
Most-Active KLAC Insiders - Last 90 Days 10 Other acquisition / disposition 5 980.8
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 7, 2025 AK Ahmad A. Khan - Officer Grant or award Common Stock 9,390 $0.00 -
Aug 7, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 2,328 $88.83 $2.07M
Aug 7, 2025 AK Ahmad A. Khan - Officer Grant or award Common Stock 6,165 $0.00 -
Aug 7, 2025 AK Ahmad A. Khan - Officer Grant or award Common Stock 3,653 $0.00 -
Aug 7, 2025 BH Bren D. Higgins - Officer Grant or award Common Stock 8,943 $0.00 -
Aug 7, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 2,217 $88.83 $1.97M
Aug 7, 2025 BH Bren D. Higgins - Officer Grant or award Common Stock 6,165 $0.00 -
Aug 7, 2025 BH Bren D. Higgins - Officer Grant or award Common Stock 3,653 $0.00 -
Aug 7, 2025 BL Brian Lorig - Officer Grant or award Common Stock 4,472 $0.00 -
Aug 7, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 1,109 $88.83 $985K
Aug 7, 2025 BL Brian Lorig - Officer Grant or award Common Stock 2,465 $0.00 -
Aug 7, 2025 BL Brian Lorig - Officer Grant or award Common Stock 2,317 $0.00 -
Aug 7, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 8,979 $88.83 $7.98M
Aug 7, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 766.8 $88.83 $681K
Aug 5, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 2,263 $91.56 $2.07M
Aug 5, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 754.11 $91.56 $690K
Aug 5, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 2,501 $91.56 $2.29M
Aug 5, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 833.44 $91.56 $763K
Aug 5, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 9,648 $91.56 $8.83M
Aug 5, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 2,144 $91.56 $1.96M
Aug 5, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 952.68 $91.56 $872K
Aug 5, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 317.31 $91.56 $291K
Aug 5, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 823.36 $91.56 $754K
Aug 5, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 274.24 $91.56 $251K
Aug 5, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 342.8 $91.56 $314K
Aug 3, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 722.38 $88.66 $640K
Aug 4, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 738.74 $88.66 $655K
Aug 3, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 328.22 $88.66 $291K
Aug 4, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 369.37 $88.66 $327K
Aug 3, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 181.68 $88.66 $161K
Aug 4, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 255.39 $88.66 $226K
Aug 3, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 1,944 $88.66 $1.72M
Aug 4, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 1,995 $88.66 $1.77M
Aug 3, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 722.38 $88.66 $640K
Aug 4, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 775.93 $88.66 $688K
Aug 1, 2025 BL Brian Lorig - Officer Tax withholding / forfeiture Common Stock 300.46 $87.90 $264K
Aug 1, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 136.26 $87.90 $120K
Aug 1, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 1,321 $87.90 $1.16M
Aug 1, 2025 BH Bren D. Higgins - Officer Tax withholding / forfeiture Common Stock 450.68 $87.90 $396K
Aug 1, 2025 AK Ahmad A. Khan - Officer Tax withholding / forfeiture Common Stock 450.68 $87.90 $396K
Jun 30, 2025 MW Mary Beth Wilkinson - Officer Tax withholding / forfeiture Common Stock 877.84 $88.99 $781K
Jun 30, 2025 RW Richard P. Wallace - Officer Tax withholding / forfeiture Common Stock 4,086 $88.99 $3.64M
Aug 11, 2026 WALLACE RICHARD P Officer, Director 87,568 $17.42M View on EDGAR
$KULR
KULR Technology Group, Inc.
