LRCXNasdaq · Special Industry Machinery, NEC

LAM RESEARCH CORP

Alert me on LRCX

Insider buys, 6 months

Congress trades, 6 months

Signals, 6 months

Six months

After each filing

Sep 10 Sale ARCHER TIMOTHY Insider

1 week

−9.6%S&P +0.6%

1 month

+7.1%S&P +3.0%

3 months

Result in32 trading days

6 months

Result in95 trading days

Sep 10 Sale Mayer Bethany Insider

1 week

−9.6%S&P +0.6%

1 month

+7.1%S&P +3.0%

3 months

Result in32 trading days

6 months

Result in95 trading days

Sep 3 Sale Varadarajan Seshasayee Insider

1 week

+1.9%S&P −1.1%

1 month

+18.3%S&P +0.5%

3 months

Result in28 trading days

6 months

Result in91 trading days

Sep 2 Sale Sen. Sheldon Whitehouse Senate

1 week

+1.9%S&P −1.1%

1 month

+18.3%S&P +0.5%

3 months

Result in28 trading days

6 months

Result in91 trading days

Sep 1 Sale Harter Ava Insider

1 week

+8.8%S&P +0.1%

1 month

+17.3%S&P +0.5%

3 months

Result in26 trading days

6 months

Result in89 trading days

Show all 55

Aug 7 Sale ARCHER TIMOTHY Insider

1 week

+6.7%S&P +0.4%

1 month

+2.9%S&P −0.9%

3 months

Result in9 trading days

6 months

Result in72 trading days

Jul 21 Buy Sen. Alan Armstrong Senate

1 week

−21.0%S&P −2.4%

1 month

−2.7%S&P +2.0%

3 months

−17.4%S&P +3.2%

6 months

Result in60 trading days

Jul 14 Sale TALWALKAR ABHIJIT Y Insider

1 week

−7.0%S&P −0.5%

1 month

−5.8%S&P +2.7%

3 months

−10.5%S&P +3.8%

6 months

Result in54 trading days

Jul 6 Sale ARCHER TIMOTHY Insider

1 week

−5.8%S&P −0.3%

1 month

−9.3%S&P +2.7%

3 months

−0.7%S&P +2.7%

6 months

Result in48 trading days

Jun 16 Sale BRANDT ERIC Insider

1 week

+1.5%S&P −2.0%

1 month

−15.1%S&P −0.7%

3 months

−27.1%S&P +0.8%

6 months

Result in36 trading days

Jun 15 Sale BRANDT ERIC Insider

1 week

−4.5%S&P −2.6%

1 month

−17.4%S&P −0.3%

3 months

−30.3%S&P +0.6%

6 months

Result in35 trading days

Jun 12 Sale Rep. David J. Taylor House

1 week

−4.5%S&P −2.6%

1 month

−17.4%S&P −0.3%

3 months

−30.3%S&P +0.6%

6 months

Result in35 trading days

Jun 2 Sale Fernandes Neil J Insider

1 week

−2.2%S&P −3.0%

1 month

+5.2%S&P −1.7%

3 months

−13.2%S&P +0.5%

6 months

Result in26 trading days

May 7 Sale Rep. David J. Taylor House

1 week

−3.2%S&P +0.2%

1 month

+11.3%S&P −0.1%

3 months

+4.3%S&P +5.1%

6 months

Result in10 trading days

May 4 Sale Fernandes Neil J Insider

1 week

+14.5%S&P +3.0%

1 month

+32.9%S&P +5.0%

3 months

+23.0%S&P +7.7%

6 months

Result in6 trading days

Apr 28 Sale Harter Ava Insider

1 week

+9.8%S&P +1.7%

1 month

+26.6%S&P +6.0%

3 months

+0.5%S&P +2.8%

6 months

Result in2 trading days

Mar 20 Buy Rep. David J. Taylor House

1 week

−14.3%S&P −3.6%

1 month

+13.8%S&P +8.5%

3 months

+59.3%S&P +12.2%

6 months

+33.4%S&P +18.6%

Mar 6 Sale Rep. David J. Taylor House

1 week

+3.9%S&P −1.4%

1 month

+16.7%S&P −0.1%

3 months

+53.7%S&P +9.3%

6 months

+51.9%S&P +13.5%

Mar 5 Sale Harter Ava Insider

1 week

−2.4%S&P −2.2%

1 month

+2.8%S&P −3.0%

3 months

+56.7%S&P +11.4%

6 months

+36.4%S&P +14.1%

Mar 5 Sale Bettinger Douglas R Insider

1 week

−2.4%S&P −2.2%

1 month

+2.8%S&P −3.0%

3 months

+56.7%S&P +11.4%

6 months

+36.4%S&P +14.1%

Mar 4 Sale Harter Ava Insider

1 week

−1.8%S&P −1.3%

1 month

−2.0%S&P −4.0%

3 months

+54.1%S&P +10.4%

6 months

+29.4%S&P +12.3%

Mar 4 Sale Bettinger Douglas R Insider

1 week

−1.8%S&P −1.3%

1 month

−2.0%S&P −4.0%

3 months

+54.1%S&P +10.4%

6 months

+29.4%S&P +12.3%

Feb 24 Buy Rep. Cleo Fields House

1 week

−10.5%S&P −1.2%

1 month

−15.1%S&P −6.7%

3 months

+28.0%S&P +8.6%

6 months

+25.6%S&P +11.1%

Feb 15 Sale Sen. John Boozman Senate

1 week

+3.7%S&P +0.7%

1 month

−4.5%S&P −3.1%

3 months

+18.1%S&P +8.5%

6 months

+39.5%S&P +13.0%

Feb 9 Sale BRANDT ERIC Insider

1 week

+2.7%S&P −1.6%

1 month

−4.4%S&P −2.5%

3 months

+29.3%S&P +6.8%

6 months

+36.1%S&P +11.6%

Feb 2 Sale Rep. David J. Taylor House

1 week

−1.5%S&P +0.4%

1 month

−6.6%S&P −1.2%

3 months

+20.0%S&P +5.3%

6 months

+33.9%S&P +12.2%

Jan 21 Sale Rep. David J. Taylor House

1 week

+12.4%S&P +0.7%

1 month

+9.8%S&P −1.0%

3 months

+17.3%S&P +3.1%

6 months

+38.5%S&P +7.8%

Dec 18, 2025 Sale ARCHER TIMOTHY Insider

1 week

+8.1%S&P +2.3%

1 month

+38.7%S&P +1.6%

3 months

+41.8%S&P −2.6%

6 months

+125.9%S&P +9.3%

Nov 17, 2025 Sale Bettinger Douglas R Insider

1 week

+2.0%S&P +0.5%

1 month

+5.3%S&P +0.9%

3 months

+61.2%S&P +3.1%

6 months

+98.6%S&P +12.0%

Nov 11, 2025 Sale Mayer Bethany Insider

1 week

−10.0%S&P −3.4%

1 month

+6.2%S&P +0.9%

3 months

+45.5%S&P 0.0%

6 months

+88.5%S&P +10.2%

Nov 5, 2025 Sale Mayer Bethany Insider

1 week

−2.2%S&P +0.9%

1 month

−3.7%S&P +1.2%

3 months

+40.2%S&P +2.2%

6 months

+78.7%S&P +9.5%

Oct 28, 2025 Sale Harter Ava Insider

1 week

+0.1%S&P −1.7%

1 month

−0.3%S&P −1.1%

3 months

+59.7%S&P +1.3%

6 months

+66.2%S&P +5.2%

Oct 15, 2025 Sale Rep. Jonathan Jackson House

1 week

+3.6%S&P +1.7%

1 month

+4.1%S&P +1.7%

3 months

+56.9%S&P +5.0%

6 months

+85.4%S&P +7.9%

Oct 14, 2025 Sale Vahedi Vahid Insider

1 week

+4.9%S&P +1.4%

1 month

+16.7%S&P +3.2%

3 months

+51.2%S&P +4.6%

6 months

+89.2%S&P +6.6%

Oct 10, 2025 Sale Rep. Valerie Hoyle House

1 week

+4.5%S&P +1.2%

1 month

+15.5%S&P +3.0%

3 months

+55.8%S&P +4.9%

6 months

+92.9%S&P +6.2%

Oct 7, 2025 Sale Rep. David J. Taylor House

1 week

+1.6%S&P −1.2%

1 month

+13.8%S&P −0.4%

3 months

+41.2%S&P +2.7%

6 months

+85.5%S&P +1.5%

Sep 23, 2025 Buy Rep. Jonathan Jackson House

1 week

+11.3%S&P +1.1%

1 month

+15.0%S&P +1.6%

3 months

+36.7%S&P +4.4%

6 months

+65.4%S&P −1.9%

Sep 12, 2025 Buy Rep. Valerie Hoyle House

1 week

+10.9%S&P +1.2%

1 month

+16.3%S&P +0.5%

3 months

+35.1%S&P +3.4%

6 months

+90.9%S&P +2.1%

Sep 12, 2025 Sale Rep. Valerie Hoyle House

1 week

+10.9%S&P +1.2%

1 month

+16.3%S&P +0.5%

3 months

+35.1%S&P +3.4%

6 months

+90.9%S&P +2.1%

Sep 5, 2025 Buy Rep. Byron Donalds House

1 week

+13.5%S&P +1.9%

1 month

+33.8%S&P +3.4%

3 months

+51.6%S&P +6.0%

6 months

+105.8%S&P +5.0%

Sep 3, 2025 Sale Sen. Sheldon Whitehouse Senate

1 week

+15.1%S&P +1.3%

1 month

+45.5%S&P +3.4%

3 months

+59.7%S&P +5.6%

6 months

+99.5%S&P +4.2%

Sep 2, 2025 Sale Rep. David J. Taylor House

1 week

+9.8%S&P +1.3%

1 month

+50.7%S&P +4.2%

3 months

+62.2%S&P +6.2%

6 months

+120.7%S&P +6.4%

Jun 22, 2025 Sale Rep. Jefferson Shreve House

1 week

+6.3%S&P +2.9%

1 month

+6.0%S&P +5.7%

3 months

+44.3%S&P +11.4%

6 months

+88.7%S&P +14.0%

May 14, 2025 Sale Rep. Julie Johnson House

1 week

−2.6%S&P −1.2%

1 month

+10.2%S&P +2.1%

3 months

+17.7%S&P +9.3%

6 months

+81.6%S&P +14.5%

May 14, 2025 Sale Sen. John Boozman Senate

1 week

−2.6%S&P −1.2%

1 month

+10.2%S&P +2.1%

3 months

+17.7%S&P +9.3%

6 months

+81.6%S&P +14.5%

May 8, 2025 Sale Rep. Jefferson Shreve House

1 week

+12.0%S&P +5.3%

1 month

+20.8%S&P +6.9%

3 months

+35.7%S&P +13.0%

6 months

+112.4%S&P +19.6%

May 8, 2025 Sale Rep. Rob Bresnahan House

1 week

+12.0%S&P +5.3%

1 month

+20.8%S&P +6.9%

3 months

+35.7%S&P +13.0%

6 months

+112.4%S&P +19.6%

Apr 11, 2025 Buy Rep. Jefferson Shreve House

1 week

−6.5%S&P −2.2%

1 month

+25.2%S&P +9.0%

3 months

+48.3%S&P +16.1%

6 months

+104.7%S&P +23.5%

Apr 11, 2025 Sale Rep. Jefferson Shreve House

1 week

−6.5%S&P −2.2%

1 month

+25.2%S&P +9.0%

3 months

+48.3%S&P +16.1%

6 months

+104.7%S&P +23.5%

Apr 7, 2025 Buy Rep. Marjorie Taylor Greene House

1 week

+13.6%S&P +8.3%

1 month

+24.3%S&P +13.8%

3 months

+68.2%S&P +26.4%

6 months

+137.7%S&P +36.4%

Mar 6, 2025 Sale Sen. John Boozman Senate

1 week

−0.4%S&P −2.3%

1 month

−21.3%S&P −12.2%

3 months

+9.3%S&P +4.3%

6 months

+33.3%S&P +13.3%

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

1 week

−2.5%S&P −1.9%

1 month

−7.7%S&P −4.3%

3 months

+3.6%S&P −0.8%

6 months

+28.2%S&P +9.4%

Feb 13, 2025 Buy Rep. Rob Bresnahan House

1 week

+0.7%S&P −2.0%

1 month

−6.2%S&P −8.0%

3 months

+2.3%S&P −2.2%

6 months

+20.1%S&P +6.1%

Feb 11, 2025 Sale Rep. Gilbert Cisneros House

1 week

+9.1%S&P +1.2%

1 month

−3.3%S&P −6.7%

3 months

+4.5%S&P −2.3%

6 months

+32.4%S&P +7.5%

Jan 8, 2025 Sale Sen. Sheldon Whitehouse Senate

1 week

+7.6%S&P +2.9%

1 month

+11.5%S&P +4.3%

3 months

−9.3%S&P −7.7%

6 months

+36.1%S&P +7.8%

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 LRCX

109 held · newest 5109 held · newest 2

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See all 109 filings for LRCX

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

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

$80KQ4 2025

$80KQ1 2026

$80KQ2 2026

$80KQ3 2026

Unchanged 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.