KLACNasdaq · Optical Instruments & Lenses

KLA CORP

Alert me on KLAC

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Sep 17 Sale WALLACE RICHARD P Insider

1 week

+10.7%S&P +0.9%

1 month

−1.9%S&P +0.3%

3 months

Result in37 trading days

6 months

Result in100 trading days

Aug 15 Sale Lorig Brian Insider

1 week

−11.8%S&P −1.2%

1 month

−18.7%S&P −2.4%

3 months

Result in15 trading days

6 months

Result in78 trading days

Aug 14 Sale Higgins Bren D. Insider

1 week

−9.6%S&P −1.4%

1 month

−17.4%S&P −2.4%

3 months

Result in14 trading days

6 months

Result in77 trading days

Aug 13 Sale WALLACE RICHARD P Insider

1 week

−11.1%S&P −2.0%

1 month

−19.1%S&P −2.2%

3 months

Result in13 trading days

6 months

Result in76 trading days

Aug 13 Sale Khan Ahmad A. Insider

1 week

−11.1%S&P −2.0%

1 month

−19.1%S&P −2.2%

3 months

Result in13 trading days

6 months

Result in76 trading days

Show all 33

Aug 12 Sale Kirloskar Virendra A Insider

1 week

−10.0%S&P −0.4%

1 month

−13.2%S&P −1.1%

3 months

Result in12 trading days

6 months

Result in75 trading days

Aug 12 Sale Wilkinson Mary Beth Insider

1 week

−10.0%S&P −0.4%

1 month

−13.2%S&P −1.1%

3 months

Result in12 trading days

6 months

Result in75 trading days

Aug 11 Sale Kirloskar Virendra A Insider

1 week

−2.7%S&P −0.4%

1 month

−11.5%S&P −1.7%

3 months

Result in11 trading days

6 months

Result in74 trading days

Aug 11 Sale Wilkinson Mary Beth Insider

1 week

−2.7%S&P −0.4%

1 month

−11.5%S&P −1.7%

3 months

Result in11 trading days

6 months

Result in74 trading days

Aug 7 Buy Rep. Michael Rulli House

1 week

+6.9%S&P 0.0%

1 month

−5.0%S&P −1.4%

3 months

Result in10 trading days

6 months

Result in73 trading days

Aug 6 Sale Kirloskar Virendra A Insider

1 week

+8.4%S&P +1.2%

1 month

−3.8%S&P +0.2%

3 months

Result in8 trading days

6 months

Result in71 trading days

Aug 6 Sale Wilkinson Mary Beth Insider

1 week

+8.4%S&P +1.2%

1 month

−3.8%S&P +0.2%

3 months

Result in8 trading days

6 months

Result in71 trading days

Aug 5 Sale Sen. Thomas H Tuberville Senate

1 week

+8.4%S&P +1.2%

1 month

−3.8%S&P +0.2%

3 months

Result in8 trading days

6 months

Result in71 trading days

Aug 5 Sale Wilkinson Mary Beth Insider

1 week

+8.0%S&P +0.4%

1 month

−10.2%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Aug 5 Sale Kirloskar Virendra A Insider

1 week

+8.0%S&P +0.4%

1 month

−10.2%S&P +0.4%

3 months

Result in7 trading days

6 months

Result in70 trading days

Jul 21 Buy Sen. Alan Armstrong Senate

1 week

−20.7%S&P −2.4%

1 month

−13.3%S&P +2.0%

3 months

−24.6%S&P +3.2%

6 months

Result in60 trading days

Jul 7 Sale Higgins Bren D. Insider

1 week

+6.4%S&P +0.6%

1 month

−10.9%S&P +3.0%

3 months

−4.3%S&P +3.9%

6 months

Result in49 trading days

Jul 7 Sale Kirloskar Virendra A Insider

1 week

+6.4%S&P +0.6%

1 month

−10.9%S&P +3.0%

3 months

−4.3%S&P +3.9%

6 months

Result in49 trading days

Jul 3 Sale Wilkinson Mary Beth Insider

1 week

−4.7%S&P −0.3%

1 month

−16.2%S&P +2.7%

3 months

−11.2%S&P +2.7%

6 months

Result in48 trading days

Jun 12 Sale WALLACE RICHARD P Insider

1 week

+5.7%S&P +0.6%

1 month

−11.8%S&P +2.0%

3 months

−33.5%S&P +2.8%

6 months

Result in34 trading days

May 13 Sale Hanley Jeneanne Michelle Insider

1 week

−1.0%S&P −0.1%

1 month

+37.8%S&P −0.1%

3 months

+13.3%S&P +5.1%

6 months

Result in13 trading days

May 13 Sale WALLACE RICHARD P Insider

1 week

−1.0%S&P −0.1%

1 month

+37.8%S&P −0.1%

3 months

+13.3%S&P +5.1%

6 months

Result in13 trading days

May 13 Sale Kirloskar Virendra A Insider

1 week

−1.0%S&P −0.1%

1 month

+37.8%S&P −0.1%

3 months

+13.3%S&P +5.1%

6 months

Result in13 trading days

May 1 Sale Rep. Elizabeth Fletcher House

1 week

+7.7%S&P +3.0%

1 month

+24.2%S&P +5.0%

3 months

+14.2%S&P +7.7%

6 months

Result in6 trading days

Dec 19, 2025 Sale Higgins Bren D. Insider

1 week

+1.2%S&P +1.1%

1 month

+20.4%S&P +1.2%

3 months

+25.9%S&P −3.8%

6 months

+93.6%S&P +8.3%

Nov 14, 2025 Sale WALLACE RICHARD P Insider

1 week

−3.1%S&P −1.9%

1 month

+8.0%S&P +1.0%

3 months

+30.9%S&P +2.4%

6 months

+54.1%S&P +9.8%

Oct 10, 2025 Sale Rep. Valerie Hoyle House

1 week

+12.5%S&P +1.2%

1 month

+16.2%S&P +3.0%

3 months

+40.9%S&P +4.9%

6 months

+71.1%S&P +6.2%

Sep 12, 2025 Buy Rep. Valerie Hoyle House

1 week

+8.3%S&P +1.2%

1 month

+3.7%S&P +0.5%

3 months

+20.9%S&P +3.4%

6 months

+50.2%S&P +2.1%

Sep 12, 2025 Sale Rep. Valerie Hoyle House

1 week

+8.3%S&P +1.2%

1 month

+3.7%S&P +0.5%

3 months

+20.9%S&P +3.4%

6 months

+50.2%S&P +2.1%

Sep 10, 2025 Sale Khan Ahmad A. Insider

1 week

+6.1%S&P +1.1%

1 month

+13.0%S&P +3.2%

3 months

+31.6%S&P +5.0%

6 months

+51.6%S&P +2.7%

Sep 3, 2025 Sale Khan Ahmad A. Insider

1 week

+10.5%S&P +1.3%

1 month

+35.0%S&P +4.2%

3 months

+41.2%S&P +6.2%

6 months

+69.9%S&P +6.4%

Feb 25, 2025 Buy Rep. William R. Keating House

1 week

−3.1%S&P −1.9%

1 month

−5.2%S&P −4.3%

3 months

+5.5%S&P −0.8%

6 months

+20.9%S&P +9.4%

Feb 11, 2025 Sale Rep. Gilbert Cisneros House

1 week

+3.6%S&P +1.2%

1 month

−4.8%S&P −6.7%

3 months

+7.5%S&P −2.3%

6 months

+27.9%S&P +7.5%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for KLAC

91 held · newest 591 held · newest 2

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal

No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters

$170KQ4 2025

$260KQ1 2026

$290KQ2 2026

$160KQ3 2026

Down 45 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.