LYTIR

Company · LRCX

Lam Research Corporation

Name as listed on its exchange; filed with the SEC as LAM RESEARCH CORP.

Nasdaq's symbol directory lists LRCX on Nasdaq as “Lam Research Corporation - Common Stock”.

In the 12 months to Nov 8, 2026: insiders sold on 14 occasions ($113.3M); 10 planned-sale notices; 16 congressional trade disclosures; 4 company reports (Form 8-K, since May 26, 2026).

All insider filings at the SEC · Appeared in No. 36, No. 35, No. 34, No. 33

Insider purchases and sales, by month (last 12 months)Insider purchases: $0 in total; Insider sales: $113.3M in total.Apr: Insider sales $1.6MMay: Insider sales $4.6MJun: Insider sales $41.5MJul: Insider sales $17.8MAug: Insider sales $10.5MSep: Insider sales $30.0MOct: Insider sales $7.1MNov: Insider sales $174KDecJanFebMarAprMayJunJulAugSepOctNov
Insider purchases above the line: $0Insider sales below: $113.3M
Dollar value of open-market purchases and sales reported on SEC Form 4, by the month traded. Sales include pre-arranged 10b5-1 plan sales.

Insider trades · SEC Form 4

Those inside the hall

Open-market purchases and sales only. Legs one person filed for one day are combined.

Who traded

  1. BRANDT ERIC sold on 2 days all under a 10b5-1 plan latest Jun 12, 2026 sold $39.1M
  2. ARCHER TIMOTHY, President and CEO sold on 4 days all under a 10b5-1 plan latest Oct 23, 2026 sold $37.4M
  3. Varadarajan Seshasayee, Senior Vice President sold on 1 day all under a 10b5-1 plan latest Sep 2, 2026 sold $17.4M
  4. Fernandes Neil J, Senior Vice President sold on 2 days all under a 10b5-1 plan latest Jun 1, 2026 sold $7.0M
  5. TALWALKAR ABHIJIT Y sold on 1 day all under a 10b5-1 plan latest Jul 13, 2026 sold $6.1M
  6. Mayer Bethany sold on 2 days 1 of them under a 10b5-1 plan latest Nov 2, 2026 sold $3.2M
  7. Harter Ava, Chief Legal Officer sold on 2 days 1 of them under a 10b5-1 plan latest Aug 31, 2026 sold $3.1M
Every trade (14)
  1. SELLMayer Bethany sold Nov 2, 2026 719 shares 10b5-1 plan (scheduled) filing $174K
  2. SELLARCHER TIMOTHY, President and CEO sold Oct 23, 2026 31,400 shares 10b5-1 plan (scheduled) filing $7.1M
  3. SELLARCHER TIMOTHY, President and CEO sold Sep 9, 2026 30,000 shares 10b5-1 plan (scheduled) filing $9.6M
  4. SELLMayer Bethany sold Sep 9, 2026 9,557 shares filing $3.0M
  5. SELLVaradarajan Seshasayee, Senior Vice President sold Sep 2, 2026 59,750 shares 3 legs combined 10b5-1 plan (scheduled) filing $17.4M
  6. SELLHarter Ava, Chief Legal Officer sold Aug 31, 2026 5,000 shares 10b5-1 plan (scheduled) filing $1.5M
  7. SELLARCHER TIMOTHY, President and CEO sold Aug 6, 2026 30,000 shares 10b5-1 plan (scheduled) filing $9.0M
  8. SELLTALWALKAR ABHIJIT Y sold Jul 13, 2026 18,282 shares 10b5-1 plan (scheduled) filing $6.1M
  9. SELLARCHER TIMOTHY, President and CEO sold Jul 2, 2026 30,000 shares 10b5-1 plan (scheduled) filing $11.7M
  10. SELLBRANDT ERIC sold Jun 12, 2026 54,500 shares 17 legs combined 10b5-1 plan (scheduled) filing $20.0M
  11. SELLBRANDT ERIC sold Jun 11, 2026 54,500 shares 26 legs combined 10b5-1 plan (scheduled) filing $19.1M
  12. SELLFernandes Neil J, Senior Vice President sold Jun 1, 2026 7,659 shares 10b5-1 plan (scheduled) filing $2.4M
  13. SELLFernandes Neil J, Senior Vice President sold May 1, 2026 18,170 shares 10b5-1 plan (scheduled) filing $4.6M
  14. SELLHarter Ava, Chief Legal Officer sold Apr 27, 2026 6,010 shares filing $1.6M

Planned sales · SEC Form 144

Notice given

A Form 144 is filed before an insider sells restricted stock. It states an intent; the sale, if it happens, appears later on a Form 4. Every recent notice

  1. Mayer Bethany filed Nov 6, 2026 Director 16 shares planned sale date 11/06/2026 filing $3K
  2. Mayer Bethany filed Nov 2, 2026 Director 719 shares planned sale date 11/02/2026 filing $174K
  3. ARCHER TIMOTHY filed Oct 23, 2026 Officer 31,400 shares planned sale date 10/23/2026 filing $7.1M
  4. ARCHER TIMOTHY filed Sep 9, 2026 Officer 30,000 shares planned sale date 09/09/2026 filing $9.6M
  5. BETHANY MAYER filed Sep 9, 2026 Director 9,557 shares planned sale date 09/09/2026 filing $3.0M
  6. Varadarajan Seshasayee filed Sep 2, 2026 Officer 59,750 shares planned sale date 09/02/2026 filing $17.4M
  7. Harter Ava filed Aug 31, 2026 Officer 5,000 shares planned sale date 08/31/2026 filing $1.5M
  8. ARCHER TIMOTHY filed Aug 6, 2026 Officer 30,000 shares planned sale date 08/06/2026 filing $9.0M
  9. TALWALKAR ABHIJIT Y filed Jul 13, 2026 Director 18,282 shares planned sale date 07/13/2026 filing $6.1M
  10. ARCHER TIMOTHY filed Jul 2, 2026 Officer 30,000 shares planned sale date 07/02/2026 filing $11.7M

Congress · STOCK Act

The Althing

Periodic transaction reports. Amounts are the ranges members report; the trade date is when it happened, the report can come up to 45 days later.

  1. David J. Taylor (R-OH02): Purchase Oct 15, 2026 reported Oct 29, 2026 one of 8 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  2. Sheldon Whitehouse (D-RI): Sale (Partial) Aug 13, 2026 reported Sep 2, 2026 one of 5 trades the member reported that day Senate Stock owner: spouse $1,001 - $15,000
  3. David J. Taylor (R-OH02): Sale Jun 5, 2026 reported Jun 12, 2026 one of 7 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  4. David J. Taylor (R-OH02): Sale Apr 27, 2026 reported May 7, 2026 one of 10 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  5. David J. Taylor (R-OH02): Sale Apr 27, 2026 reported May 7, 2026 one of 10 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  6. Alan Armstrong (R-OK): Purchase Mar 30, 2026 reported Jul 21, 2026 one of 703 trades the member reported that day Senate Stock $1,001 - $15,000
  7. Alan Armstrong (R-OK): Purchase Mar 27, 2026 reported Jul 21, 2026 one of 703 trades the member reported that day Senate Stock $1,001 - $15,000
  8. David J. Taylor (R-OH02): Purchase Mar 12, 2026 reported Mar 20, 2026 one of 11 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  9. David J. Taylor (R-OH02): Sale Feb 26, 2026 reported Mar 6, 2026 one of 28 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  10. David J. Taylor (R-OH02): Sale Feb 26, 2026 reported Mar 6, 2026 one of 28 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  11. Cleo Fields (D-LA06): Purchase Feb 3, 2026 reported Feb 24, 2026 one of 6 trades the member reported that day House Stocks (including ADRs) $15,001 - $50,000
  12. David J. Taylor (R-OH02): Sale Jan 16, 2026 reported Feb 2, 2026 one of 32 trades the member reported that day House Stocks (including ADRs) $1,001 - $15,000
  13. David J. Taylor (R-OH02): Sale Jan 8, 2026 reported Jan 21, 2026 one of 9 trades the member reported that day House Stocks (including ADRs) $15,001 - $50,000
  14. David J. Taylor (R-OH02): Sale Jan 8, 2026 reported Jan 21, 2026 one of 9 trades the member reported that day House Stocks (including ADRs) $15,001 - $50,000
  15. John Boozman (R-AR): Sale (Partial) Jan 8, 2026 reported Feb 15, 2026 one of 36 trades the member reported that day Senate Stock $1,001 - $15,000
  16. Markwayne Mullin (R-OK): Purchase Dec 29, 2025 reported Jan 16, 2026 one of 31 trades the member reported that day Senate Stock $50,001 - $100,000

Company reports · SEC Form 8-K

In its own words

Current reports the company filed with the SEC; most items are due within four business days of the event. Each line lists the report's items by the SEC's own titles; the filing says what happened. Reports collected since May 26, 2026; every 8-K at the SEC.

  1. Submission of matters to a vote of security holders; Other events filing Nov 5, 2026
  2. Results of operations and financial condition filing Oct 21, 2026
  3. Departure or appointment of directors or officers filing Aug 27, 2026
  4. Results of operations and financial condition filing Jul 29, 2026

Sources: SEC EDGAR (Forms 4, 144 and 8-K) and STOCK Act periodic transaction reports. Filings can be late, amended or wrong at the source; see methodology.