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L

LRCX

Nasdaq

LAM RESEARCH CORP

Latest disclosureSeptember 10, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 55 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 68

Limited filing history
All68Buying0Selling55Other13
Filters

Last 30 daysNo qualifying insider buying. Sales: $12.59M by 2 insiders.

55 of 68 trades · April 27, 2026 – September 9, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Timothy Archer

President and CEO

Common Stock

Reported value
$9.58M
Reported price
$319.26 / share
Traded September 9, 2026Filed September 10, 2026SEC filing
Sale disclosed

Bethany Mayer

Director

Common Stock

Reported value
$3.01M
Reported price
$314.74 / share
Traded September 9, 2026Filed September 10, 2026SEC filing
Sale disclosed

Seshasayee Varadarajan

Senior Vice President

Common Stock

Reported value
$5.83M
Reported price
$291.32 / share
Traded September 2, 2026Filed September 3, 2026SEC filing
Sale disclosed

Seshasayee Varadarajan

Senior Vice President

Common Stock

Reported value
$3.57M
Reported price
$291.32 / share
Traded September 2, 2026Filed September 3, 2026SEC filing
Sale disclosed

Seshasayee Varadarajan

Senior Vice President

Common Stock

Reported value
$8.01M
Reported price
$291.32 / share
Traded September 2, 2026Filed September 3, 2026SEC filing
Sale disclosed

Ava Harter

Chief Legal Officer

Common Stock

Reported value
$1.51M
Reported price
$302.46 / share
Traded August 31, 2026Filed September 1, 2026SEC filing
Sale disclosed

Timothy Archer

President and CEO

Common Stock

Reported value
$9M
Reported price
$300.00 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Sale disclosed

Abhijit Y. Talwalkar

Director

Common Stock

Reported value
$6.12M
Reported price
$335.00 / share
Traded July 13, 2026Filed July 14, 2026SEC filing
Sale disclosed

Timothy Archer

President and CEO

Common Stock

Reported value
$11.7M
Reported price
$390.01 / share
Traded July 2, 2026Filed July 6, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$106.71K
Reported price
$355.71 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$497.64K
Reported price
$357.24 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$393.78K
Reported price
$357.98 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$1.37M
Reported price
$359.08 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$686.45K
Reported price
$360.15 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$295.83K
Reported price
$361.21 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$981.38K
Reported price
$362.40 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$852.01K
Reported price
$363.33 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$838.14K
Reported price
$364.41 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$438.19K
Reported price
$365.16 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Sale disclosed

Eric Brandt

Director

Common Stock

Reported value
$2.13M
Reported price
$367.01 / share
Traded June 12, 2026Filed June 15, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
President and CEOCommon StockSale10b5-130,000$319.26 / share$9.58MSep 9Filed Sep 10 · 1d laterSEC filing
DirectorCommon StockSale9,557$314.74 / share$3.01MSep 9Filed Sep 10 · 1d laterSEC filing
Senior Vice PresidentCommon StockSale10b5-13 trades59,750avg $291.32 / share$17.41MSep 2Filed Sep 3 · 1d later
3 filings
  • 20,000 @ $291.32 · $5.83MSEC filing
  • 12,270 @ $291.32 · $3.57MSEC filing
  • 27,480 @ $291.32 · $8.01MSEC filing
Chief Legal OfficerCommon StockSale10b5-15,000$302.46 / share$1.51MAug 31Filed Sep 1 · 1d laterSEC filing
President and CEOCommon StockSale10b5-130,000$300.00 / share$9MAug 6Filed Aug 7 · 1d laterSEC filing
DirectorCommon StockSale10b5-118,282$335.00 / share$6.12MJul 13Filed Jul 14 · 1d laterSEC filing
President and CEOCommon StockSale10b5-130,000$390.01 / share$11.7MJul 2Filed Jul 6 · 4d laterSEC filing
DirectorCommon StockSale10b5-111 trades23,702avg $362.60 / share$8.59MJun 12Filed Jun 15 · 3d later
11 filings
  • 300 @ $355.71 · $106.71KSEC filing
  • 1,393 @ $357.24 · $497.64KSEC filing
  • 1,100 @ $357.98 · $393.78KSEC filing
  • 3,828 @ $359.08 · $1.37MSEC filing
  • 1,906 @ $360.15 · $686.45KSEC filing
  • 819 @ $361.21 · $295.83KSEC filing
  • 2,708 @ $362.40 · $981.38KSEC filing
  • 2,345 @ $363.33 · $852.01KSEC filing
  • 2,300 @ $364.41 · $838.14KSEC filing
  • 1,200 @ $365.16 · $438.19KSEC filing
  • 5,803 @ $367.01 · $2.13MSEC filing

Showing the latest 20 of 55 trades. Show all 55 trades

Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source
SEC EDGAR · Form 4
Issuer CIK
0000707549
Latest public acceptance
Sep 10, 2026, 05:05 PM UTC
Score calculated
Oct 7, 2026, 12:04 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Congress transactions 18

All Congress filings
Partial sale disclosed

Lam Research Corporation - Common Stock · Stock

The filing reports a partial sale for a spouse.

Sheldon Whitehouse official portraitSheldon WhitehouseReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
August 13, 2026
Filed September 2, 2026 · 20d laterOriginal report
Purchase disclosed

Lam Research Corporation - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
June 5, 2026
Filed June 12, 2026 · 7d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
April 27, 2026
Filed May 7, 2026 · 10d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
April 27, 2026
Filed May 7, 2026 · 10d laterOriginal report
Purchase disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a purchase for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 12, 2026
Filed March 20, 2026 · 8d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
February 26, 2026
Filed March 6, 2026 · 8d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
February 26, 2026
Filed March 6, 2026 · 8d laterOriginal report
Purchase disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a purchase for the member.

Cleo Fields official portraitCleo FieldsReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
February 3, 2026
Filed February 24, 2026 · 21d laterOriginal report
Partial sale disclosed

Lam Research Corp · Stock

The filing reports a partial sale for a joint account.

John Boozman official portraitJohn BoozmanReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
January 8, 2026
Filed February 15, 2026 · 38d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
January 16, 2026
Filed February 2, 2026 · 17d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
January 8, 2026
Filed January 21, 2026 · 13d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
January 8, 2026
Filed January 21, 2026 · 13d laterOriginal report
Purchase disclosed

Lam Research Corporation - Common Stock · Stock

The filing reports a purchase for a joint account.

Markwayne Mullin official portraitMarkwayne MullinReporting Senate member
Reported amount
$50,001 – $100,000Reported range; exact amount not disclosed.
Trade date
December 29, 2025
Filed January 16, 2026 · 18d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for a spouse.

Jonathan Jackson official portraitJonathan JacksonReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 3, 2025
Filed October 15, 2025 · 42d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for a spouse.

Valerie Hoyle official portraitValerie HoyleReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 23, 2025
Filed October 10, 2025 · 17d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 22, 2025
Filed October 7, 2025 · 15d laterOriginal report
Sale disclosed

Lam Research Corporation - Common Stock (LRCX) · Stock

The filing reports a sale for the member.

David J. Taylor official portraitDavid J. TaylorReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 22, 2025
Filed October 7, 2025 · 15d laterOriginal report