Form 8-K
Material Company Update
2026-07-28
KLAC filed 8-K — material company event
KLA CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Latest SEC filings for KLA Corporation (KLAC) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). All data sourced directly from SEC EDGAR — last updated 2026-07-28.
KLA CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Higgins Bren D., listed as EVP & Chief Financial Officer at KLA CORP, reported an open-market sale of 27,701 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Kirloskar Virendra A, listed as SVP & Chief Accounting Officer at KLA CORP, reported an open-market sale of 196 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Lorig Brian (EVP, KLA Global Services) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Higgins Bren D. (EVP & Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
WALLACE RICHARD P (President and CEO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Wilkinson Mary Beth, listed as EVP, CLO and Secretary at KLA CORP, reported an open-market sale of 14,392 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Khan Ahmad A. (President, Semi. Prod. & Cust.) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Kirloskar Virendra A filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Higgins Bren D. filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Wilkinson Mary Beth filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
KLA CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
WALLACE RICHARD P, listed as President and CEO at KLA CORP, reported an open-market sale of 4,512 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
WALLACE RICHARD P filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
WALLACE RICHARD P, listed as President and CEO at KLA CORP, reported an open-market sale of 4,512 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Kirloskar Virendra A, listed as SVP & Chief Accounting Officer at KLA CORP, reported an open-market sale of 297 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Hanley Jeneanne Michelle, listed as Director at KLA CORP, reported an open-market sale of 550 KLAC shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
WALLACE RICHARD P filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Hanley Jeneanne Michelle filed a Form 144 with the SEC indicating intent to sell KLAC (KLA CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
KLA CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Executives, directors, and large shareholders must report any purchase or sale of KLAC shares within two business days. Consistent buying by multiple insiders is often read as a confidence signal; large sales may reflect diversification or liquidity needs rather than negative conviction.
Filed when a company affiliate intends to sell restricted or control shares. A Form 144 is a notice of intent, not confirmation — the actual sale is later confirmed via Form 4. It gives investors advance visibility into planned insider selling activity.
The 8-K is an event-driven filing that KLA Corporation must submit within four business days of a significant development — including earnings results, mergers, executive changes, credit facility updates, or regulatory actions. Each 8-K item code maps to a specific event type.
The 10-Q (quarterly) and 10-K (annual) are comprehensive reports covering KLA Corporation's financial results, risk factors, management discussion, and business operations. The 10-K includes audited financials and is the most complete public disclosure the company makes each year.
View valuation, growth metrics, AI Strong Buy score, demand zones, peer comparison, and more — all on the KLAC stock analysis page.