SEC Filings

Filing date Description Form Filing Group View

Form of prospectus that discloses information previously omitted from the prospectus

424B1
Registration Statements
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Pre-effective amendment to an S-3 filing

S-3/A
Registration Statements
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Report of unscheduled material events or corporate event

8-K
Current Reports
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Substantive changes from or additions to a prospectus previously filed

424A
Registration Statements
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Report of unscheduled material events or corporate event

8-K
Current Reports
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Simplified registration form

S-3
Registration Statements
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The materials contained on this website (including webcasts, presentations and press releases) contain certain forward-looking statements and are subject to the Safe Harbor provisions created by the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on current information and expectations as of the date of the applicable webcast, presentation or publication and involve a number of risks and uncertainties. Actual results may differ materially from those projected in such statements due to various factors, including but not limited to: changes in the demand for semiconductors; changes in anticipated orders by customers; the timing of shipments or acceptances; macroeconomic conditions; and new and enhanced product offerings by competitors. For other factors that may cause actual results to differ from those projected, please refer to the KLA-Tencor's most recent Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other filings with the United States Securities and Exchange Commission.