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KLACKLA Corporation

Technology · Optical Instruments · Nasdaq
KLAC quote by TradingView
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Filings with the SEC since May 15, 2017

1,012 filings, 12 in the last 30 days

SEC filing index
Latest annual reportOpen ↗
Aug 6, 2026
10-K, period to Jun 30, 2026
Latest quarterly reportOpen ↗
Oct 29, 2026
10-Q, period to Sep 30, 2026
Latest current reportOpen ↗
Nov 6, 2026
8-K: Shareholder vote results, Other events
Filed in the last 30 days
12
of 1,012 in all
Timeline

Every filing on one line

1 yr2 yr3 yr
Annual report (10-K)Quarterly report (10-Q)Current report (8-K)Auditor changeCEO, CFO, COO or CAO changeRestatementLate filing noticeInsider purchaseCluster buy (3+ insiders)SEC comment letterShare offering (S-3, 424B)
All 30 events

From the SEC filing index. Insider purchases go back 180 days (the Form 4s downloaded).

Every filing

Newest first, by kind

Each form links to sec.gov
All 1012 Annual & quarterly 38Current reports (8-K) 112Insiders 743Proxy & votes 26Big owners (13D/13G) 31Shares & debt offered 27SEC letters 2Other 33
FiledFormWhat it isPeriod
Nov 6, 2026S-8 Shares registered for employee plans all files
Nov 6, 20268-K Shareholder vote results, Other eventsNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Nov 5, 20264 Insider tradeNov 4, 2026 all files
Oct 29, 202610-Q Quarterly reportSep 30, 2026 all files · tables
Oct 28, 20268-K Quarterly resultsOct 28, 2026 all files
Sep 22, 2026ARS Annual report to shareholdersJun 30, 2026 all files
Sep 22, 2026DEFA14A Extra proxy material all files
Sep 22, 2026DEF 14A Proxy statementNov 4, 2026 all files
Sep 16, 20264 Insider tradeSep 15, 2026 all files
Sep 15, 2026144 Notice of planned insider sale all files
Aug 14, 20264 Insider tradeAug 13, 2026 all files
Aug 13, 2026144 Notice of planned insider sale all files
Aug 13, 20264 Insider tradeAug 12, 2026 all files
Aug 12, 2026144 Notice of planned insider sale all files
Aug 12, 20264 Insider tradeAug 11, 2026 all files
Aug 12, 20264 Insider tradeAug 11, 2026 all files
Aug 11, 2026144 Notice of planned insider sale all files
Aug 11, 2026144 Notice of planned insider sale all files
Aug 11, 20264 Insider tradeAug 10, 2026 all files
Aug 11, 20264 Insider tradeAug 10, 2026 all files
Aug 10, 2026144 Notice of planned insider sale all files
Aug 10, 2026144 Notice of planned insider sale all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 10, 20264 Insider tradeAug 7, 2026 all files
Aug 7, 2026144 Notice of planned insider sale all files
Aug 7, 2026144 Notice of planned insider sale all files
Aug 7, 20264 Insider tradeAug 5, 2026 all files
Aug 7, 20264 Insider tradeAug 5, 2026 all files
Aug 7, 20264 Insider tradeAug 5, 2026 all files
Aug 7, 20264 Insider tradeAug 5, 2026 all files
Aug 7, 20264 Insider tradeAug 5, 2026 all files
Aug 7, 20264 Insider tradeAug 6, 2026 all files
Aug 6, 20268-K Other eventsAug 6, 2026 all files
Aug 6, 202610-K Annual reportJun 30, 2026 all files · tables
Aug 5, 2026144 Notice of planned insider sale all files
Aug 5, 2026144 Notice of planned insider sale all files
Aug 5, 20264 Insider tradeAug 5, 2026 all files
Aug 5, 20264 Insider tradeAug 5, 2026 all files
Aug 4, 2026144 Notice of planned insider sale all files
Aug 4, 2026144 Notice of planned insider sale all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 4, 20264 Insider tradeAug 4, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Aug 3, 20264 Insider tradeAug 1, 2026 all files
Jul 28, 20268-K Quarterly resultsJul 28, 2026 all files
Jul 6, 20264 Insider tradeJul 2, 2026 all files
Jul 6, 20264 Insider tradeJul 2, 2026 all files
Jul 2, 2026144/A Notice of planned insider sale (amended) all files
Jul 2, 2026144 Notice of planned insider sale all files
Jul 2, 2026144 Notice of planned insider sale all files
Jul 2, 20264 Insider tradeJun 30, 2026 all files
Jul 2, 20264 Insider tradeJun 30, 2026 all files
Jul 2, 20264 Insider tradeJun 30, 2026 all files
Jul 2, 20264 Insider tradeJun 30, 2026 all files
Jul 2, 20264 Insider tradeJun 30, 2026 all files
Jul 1, 2026144 Notice of planned insider sale all files
Jun 12, 20268-K Bylaws or fiscal year changedJun 11, 2026 all files
Jun 11, 2026144 Notice of planned insider sale all files
Jun 11, 20264 Insider tradeJun 11, 2026 all files
May 26, 2026SD Conflict minerals report all files
May 12, 2026144 Notice of planned insider sale all files
May 12, 20264 Insider tradeMay 12, 2026 all files
May 12, 20264 Insider tradeMay 11, 2026 all files
May 12, 20264 Insider tradeMay 11, 2026 all files
May 11, 2026144 Notice of planned insider sale all files
May 7, 20268-K Other eventsMay 7, 2026 all files
Apr 30, 2026SCHEDULE 13G 5%+ owner (passive) all files
Apr 30, 202610-Q Quarterly reportMar 31, 2026 all files · tables
Apr 29, 20268-K Quarterly resultsApr 29, 2026 all files
Mar 27, 2026SCHEDULE 13G/A 5%+ owner (passive), amended all files
Mar 12, 20268-K Regulation FD disclosure, Other eventsMar 11, 2026 all files
Feb 6, 20264 Insider tradeFeb 5, 2026 all files
Feb 5, 20268-K Other eventsFeb 5, 2026 all files
Jan 30, 202610-Q Quarterly reportDec 31, 2025 all files · tables
Jan 29, 20268-K Quarterly resultsJan 29, 2026 all files
Dec 18, 20254 Insider tradeDec 16, 2025 all files
Dec 16, 2025144 Notice of planned insider sale all files
Nov 14, 20254 Insider tradeNov 12, 2025 all files
Nov 13, 20254 Insider tradeNov 11, 2025 all files
Nov 12, 2025144 Notice of planned insider sale all files
Nov 7, 20258-K Bylaws or fiscal year changed, Shareholder vote results, Other eventsNov 5, 2025 all files
Show the other 75 filings on this page

Press releases with quarterly results are attached to the 8-Ks marked "Quarterly results"; read them on Earnings releases.

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