SEC Form 4
KLA Corporation (KLAC) insider trading
In the 12 months to Oct 24, 2026, 7 KLAC insiders reported open-market sales of $112.3M across 22 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $112.3M
- 22 filings · 7 insiders
- Open-market purchases
- $0
- 0 filings
- Pre-arranged sales (10b5-1)
- 20 of 22
- $110.7M of $112.3M sold (99%)
Who traded KLAC, and when
- Sale
- Sale, pre-arranged (10b5-1)
KLAC daily close from Oct 24, 2025 to Oct 23, 2026, between $109.71 and $301.71, last $145.61. 22 sale and 0 purchase filings by 7 insiders, marked at their filing dates. Richard P. Wallace, President and CEO: sold $60.9M across 5 filings, first filed Nov 13, 2025, last Sep 16, 2026. Bren D. Higgins, EVP & Chief Financial Officer: sold $16.8M across 3 filings, first filed Dec 18, 2025, last Aug 13, 2026. Brian Lorig, EVP, KLA Global Services: sold $12.4M across 1 filing, first filed Aug 14, 2026, last Aug 14, 2026. Mary Beth Wilkinson, EVP, CLO and Secretary: sold $12.3M across 5 filings, first filed Jul 2, 2026, last Aug 11, 2026. Ahmad A. Khan, President, Semi. Prod. & Cust.: sold $6.6M across 1 filing, first filed Aug 12, 2026, last Aug 12, 2026. Virendra A. Kirloskar, SVP & Chief Accounting Officer: sold $2.4M across 6 filings, first filed May 12, 2026, last Aug 11, 2026. Jeneanne Michelle Hanley, Director: sold $1.0M across 1 filing, first filed May 12, 2026, last May 12, 2026.
Largest mark · tap a row for others
Richard P. Wallace · President and CEO
Sale $17,421,654
87,568 shares at $198.95 avg
Filed Aug 12, 2026 · traded Aug 11
Pre-arranged (10b5-1) · close on filing date $208.25
Richard P. Wallace · President and CEO
President and CEO
$60.9M soldBren D. Higgins · EVP & Chief Financial Officer
EVP & Chief Financial Officer
$16.8M soldBrian Lorig · EVP, KLA Global Services
EVP, KLA Global Services
$12.4M soldMary Beth Wilkinson · EVP, CLO and Secretary
EVP, CLO and Secretary
$12.3M soldAhmad A. Khan · President, Semi. Prod. & Cust.
President, Semi. Prod. & Cust.
$6.6M soldVirendra A. Kirloskar · SVP & Chief Accounting Officer
SVP & Chief Accounting Officer
$2.4M soldJeneanne Michelle Hanley · Director
Director
$1.0M soldHas the KLA Corporation's CEO sold stock?
Yes. Richard P. Wallace (CEO) sold 179,414 shares ($60.9M) between Nov 2025 and Sep 2026, all under a pre-arranged 10b5-1 plan.
Open-market trades
22 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Richard P. Wallace | President and CEO | $60.9M | — | 5 | 100% of sales | |
| Bren D. Higgins | EVP & Chief Financial Officer | $16.8M | — | 3 | 100% of sales | |
| Brian Lorig | EVP, KLA Global Services | $12.4M | — | 1 | 100% of sales | |
| Mary Beth Wilkinson | EVP, CLO and Secretary | $12.3M | — | 5 | 100% of sales | |
| Ahmad A. Khan | President, Semi. Prod. & Cust. | $6.6M | — | 1 | 100% of sales | |
| Virendra A. Kirloskar | SVP & Chief Accounting Officer | $2.4M | — | 6 | 76% of sales | |
| Jeneanne Michelle Hanley | Director | $1.0M | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Richard P. Wallace President and CEO | SalePre-arranged (10b5-1) | 72,019 | $171.88 | $12.4M | 706,925 | |
traded | Brian Lorig EVP, KLA Global Services | SalePre-arranged (10b5-1) | 59,586 | $208.13 | $12.4M | 77,681 | |
traded | Bren D. Higgins EVP & Chief Financial Officer | SalePre-arranged (10b5-1) | 31,500 | $209.87 | $6.6M | 307,815 | |
traded | Richard P. Wallace President and CEO | SalePre-arranged (10b5-1) | 87,568 | $198.95 | $17.4M | 778,944 | |
traded | Ahmad A. Khan President, Semi. Prod. & Cust. | SalePre-arranged (10b5-1) | 33,180 | $198.95 | $6.6M | 238,045 | |
traded | Mary Beth Wilkinson EVP, CLO and Secretary | SalePre-arranged (10b5-1) | 1,661 | $204.56 | $339.8K | 37,032 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | SalePre-arranged (10b5-1) | 529 | $204.56 | $108.2K | 13,242 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | SalePre-arranged (10b5-1) | 2,405 | $197.57 | $475.2K | 13,771 | |
traded | Mary Beth Wilkinson EVP, CLO and Secretary | SalePre-arranged (10b5-1) | 21,831 | $197.57 | $4.3M | 38,693 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | SalePre-arranged (10b5-1) | 4,504 | $195.50 | $880.5K | 7,972 | |
traded | Mary Beth Wilkinson EVP, CLO and Secretary | SalePre-arranged (10b5-1) | 13,802 | $195.50 | $2.7M | 22,110 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | SalePre-arranged (10b5-1) | 1,565 | $191.59 | $299.8K | 12,476 | |
traded | Mary Beth Wilkinson EVP, CLO and Secretary | SalePre-arranged (10b5-1) | 4,295 | $191.59 | $822.9K | 35,912 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | SalePre-arranged (10b5-1) | 196 | $265.69 | $52.1K | 19,575 | |
traded | Bren D. Higgins EVP & Chief Financial Officer | SalePre-arranged (10b5-1) | 27,701 | $265.69 | $7.4M | 263,472 | |
traded | Mary Beth Wilkinson EVP, CLO and Secretary | SalePre-arranged (10b5-1) | 14,392 | $285.30 | $4.1M | 53,367 | |
traded | Richard P. Wallace President and CEO | SalePre-arranged (10b5-1) | 4,512 | $2,213.37 | $10.0M | 71,383 | |
traded | Jeneanne Michelle Hanley Director | Sale | 550 | $1,874.71 | $1.0M | 3,551 | |
traded | Virendra A. Kirloskar SVP & Chief Accounting Officer | Sale | 297 | $1,879.02 | $558.1K | 1,957 | |
traded | Richard P. Wallace President and CEO | SalePre-arranged (10b5-1) | 4,512 | $1,794.00 | $8.1M | 75,895 | |
traded | Bren D. Higgins EVP & Chief Financial Officer | SalePre-arranged (10b5-1) | 2,254 | $1,237.01 | $2.8M | 32,154 | |
traded | Richard P. Wallace President and CEO | SalePre-arranged (10b5-1) | 10,803 | $1,203.10 | $13.0M | 81,211 |
GET /stocks/filings/vX/form-4?tickers=KLAC&filing_date.gte=2025-10-24&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"KLAC"
],
"issuer_cik": "0000319201",
"owner_cik": "0001196898",
"accession_number": "0001193125-26-393053",
"form_type": "4",
"filing_date": "2026-09-16",
"period_of_report": "2026-09-15",
"issuer_name": "KLA CORP",
"issuer_trading_symbol": "KLAC",
"owner_name": "WALLACE RICHARD P",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "President and CEO",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-09-15",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 72019,
"transaction_price_per_share": 171.88,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 706924.5499,
"transaction_value": 12378625.719999999,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on November 19, 2025."
},
{
"id": "F2",
"description": "The number of shares of KLA common stock includes 386,970.215 shares issuable upon vesting of restricted stock units (\"RSUs\")."
}
]
},
{
"tickers": [
"KLAC"
],
"issuer_cik": "0000319201",
"owner_cik": "0001697041",
"accession_number": "0001193125-26-352187",
"form_type": "4",
"filing_date": "2026-08-14",
"period_of_report": "2026-08-13",
"issuer_name": "KLA CORP",
"issuer_trading_symbol": "KLAC",
"owner_name": "Lorig Brian",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "EVP, KLA Global Services",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock",
"transaction_timeliness": "O",
"aff_10b5_one": true,
"transaction_date": "2026-08-13",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 59586,
"transaction_price_per_share": 208.13,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 77681.0919,
"transaction_value": 12401634.18,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "This sale was effected pursuant to the terms of a Rule 10b5-1 trading plan adopted by the Reporting Person on May 14, 2026."
},
{
"id": "F2",
"description": "The number of shares of KLA common stock includes 71,918.092 shares issuable upon vesting of restricted stock units (\"RSUs\")."
}
]
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 80 records
- Tax withholding46 records
- Grants and awards27 records
- Gifts2 records
- Other5 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
Build this yourself
This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:
Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for KLAC every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Pre-arranged (10b5-1)
- The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.