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LAM RESEARCH CORP (LRCX) S&P 500 NASDAQ-100 XNAS SPECIAL INDUSTRY MACHINERY, NEC Net insider selling (90d)
Latest LRCX Insider Trades
About LAM RESEARCH CORP (LRCX) Lam Research is one of the largest semiconductor wafer fabrication equipment manufacturers in the world. It specializes in deposition and etch, which entail the buildup of layers on a semiconductor and the subsequent selective removal of patterns from each layer. Lam holds the top market share in etch and holds the clear second share in deposition. It is more exposed to memory chipmakers for DRAM and NAND chips. It counts as top customers the largest chipmakers in the world, including TSMC, Samsung, Intel, and Micron.
Headquarters FREMONT, CA
Employees 23,300
Listed 1984
Exchange XNAS https://www.lamresearch.com SEC filings for LRCX on EDGAR
90-Day SEC Filing Activity Form 4 transaction type Transactions Shares Total value Open-market sale 30 140,441 $48.31M Option exercise 4 120,000 Tax withholding / forfeiture 1 5,790
LRCX Insider Transactions (Form 4) 116 63 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 3.
Date Insider Transaction Security Shares Price Value Aug 6, 2026 TA Timothy Archer - Officer Option exercise Common Stock 30,000
Recent LRCX Form 8-K Filings 3
Recent LRCX Form 144 Notices of Proposed Sale 3 A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
Filed Filer Relationship Shares Market value Notice Aug 6, 2026 ARCHER TIMOTHY Officer, Director 30,000 $9.00M View on EDGAR Jul 13, 2026 - -
LRCX Insider Trading - FAQ
What is the latest insider trade for LRCX? LAM RESEARCH CORP (LRCX) had 6 insider filings in the last 90 days, with the most recent on 2026-08-07. The full record for LRCX runs to 63 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying LRCX stock? No insider purchases of LRCX were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling LRCX stock? 30 insider sales of LRCX were filed in the last 90 days, totaling $48.31M.
Where can I see LRCX SEC filings (Form 4, 10-K, 10-Q, 8-K)? This page tracks LRCX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow LRCX insider buys? Create a free InsiderAlpha account and press Watch on this page to add LRCX to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Industrials Companies with Insider Activity Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
Related Companies - Recent Insider Activity What is SEC Form 4? The filing insiders must submit within two business days of a trade, and how to read its transaction codes. Track LRCX insider activity as it files Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
Sign up free Jul 13, 2026
EB Eric Brandt - Director Open-market sale $435K
Jun 11, 2026
EB Eric Brandt - Director Open-market sale $366K
Jun 11, 2026
EB Eric Brandt - Director Open-market sale $1.25M
Jun 11, 2026
EB Eric Brandt - Director Open-market sale $509K
Jun 11, 2026
EB Eric Brandt - Director Open-market sale $1.11M
Jun 11, 2026
Market cap $377.77B
P/E ratio 52.60
Dividend yield 0.44%
Average volume 11.32M
52 week high $438.50
52 week low $94.11
Today's high $318.29
Today's low $301.05
Open $318.03
Volume 8.06M
Previous close $318.58
Shares outstanding 1.25B Market cap
$377.77B
23,300 employees
LRCX Insider Sentiment - Last 90 Days Share of open-market insider dollar volume that was buying versus selling, from SEC Form 4 filings.
0% Buying 100% Selling
0 insider purchases totaling $0 against 30 sales totaling $48.31M.
Most-Active LRCX Insiders - Last 90 Days 10 Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
Aug 6, 2026 TA Timothy Archer - Officer Open-market sale Common Stock 30,000 $300.00 $9.00M
Aug 6, 2026 TA Timothy Archer - Officer Option exercise Employee Stock Option (Right to Buy) 30,000 $0.00 -
Aug 5, 2026 AH Ava Harter - Officer Tax withholding / forfeiture Common Stock 5,790 $307.42 $1.78M
Jul 2, 2026 TA Timothy Archer - Officer Option exercise Common Stock 30,000 $30.03 $901K
Jul 2, 2026 TA Timothy Archer - Officer Open-market sale Common Stock 30,000 $390.01 $11.70M
Jul 2, 2026 TA Timothy Archer - Officer Option exercise Employee Stock Option (Right to Buy) 30,000 $0.00 -
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,277 $340.68 $435K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,070 $341.81 $366K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 3,644 $342.91 $1.25M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,481 $343.96 $509K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 3,208 $344.92 $1.11M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 2,832 $345.84 $979K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 3,442 $346.79 $1.19M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 6,592 $347.86 $2.29M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 4,334 $348.73 $1.51M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,517 $349.79 $531K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 36 $350.77 $13K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,172 $353.52 $414K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,461 $354.08 $517K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,331 $355.50 $473K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,653 $356.27 $589K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,455 $357.06 $520K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,880 $358.22 $673K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 780 $359.24 $280K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 664 $360.24 $239K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,756 $361.05 $634K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 2,604 $362.20 $943K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 5,717 $362.95 $2.07M
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 642 $364.00 $234K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 974 $337.56 $329K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,083 $338.62 $367K
Jun 11, 2026 EB Eric Brandt - Director Open-market sale Common Stock 1,895 $339.75 $644K
Jun 1, 2026 NF Neil J. Fernandes - Officer Open-market sale Common Stock 7,659 $309.60 $2.37M
May 1, 2026 NF Neil J. Fernandes - Officer Open-market sale Common Stock 18,170 $255.14 $4.64M
Apr 27, 2026 AH Ava Harter - Officer Option exercise Common Stock 6,010 $77.04 $463K
Apr 27, 2026 AH Ava Harter - Officer Open-market sale Common Stock 6,010 $258.66 $1.55M
Apr 27, 2026 AH Ava Harter - Officer Option exercise Employee Stock Option (Right to Buy) 6,010 $0.00 -
Mar 4, 2026 DB Douglas R. Bettinger - Officer Option exercise Employee Stock Option (Right to Buy) 51,270 $0.00 -
Mar 4, 2026 DB Douglas R. Bettinger - Officer Option exercise Employee Stock Option (Right to Buy) 26,480 $0.00 -
Mar 4, 2026 AH Ava Harter - Officer Open-market sale Common Stock 1,500 $222.66 $334K
Mar 2, 2026 DB Douglas R. Bettinger - Officer Option exercise Employee Stock Option (Right to Buy) 16,620 $0.00 -
Mar 2, 2026 DB Douglas R. Bettinger - Officer Option exercise Employee Stock Option (Right to Buy) 37,980 $0.00 -
Mar 2, 2026 DB Douglas R. Bettinger - Officer Option exercise Employee Stock Option (Right to Buy) 11,710 $0.00 -
Mar 2, 2026 AH Ava Harter - Officer Open-market sale Common Stock 4,000 $232.50 $930K
Feb 27, 2026 DB Douglas R. Bettinger - Officer Tax withholding / forfeiture Common Stock 38,136 $233.89 $8.92M
Feb 27, 2026 DB Douglas R. Bettinger - Officer Tax withholding / forfeiture Common Stock 2,826 $233.89 $661K
Feb 27, 2026 DB Douglas R. Bettinger - Officer Tax withholding / forfeiture Common Stock 2,186 $233.89 $511K
Feb 27, 2026 DB Douglas R. Bettinger - Officer Tax withholding / forfeiture Common Stock 5,525 $233.89 $1.29M
Feb 27, 2026 DB Douglas R. Bettinger - Officer Grant or award Market-based Performance Restricted Stock Unit 18,820 $0.00 -
Feb 27, 2026 SV Seshasayee Varadarajan - Officer Grant or award Market-based Performance Restricted Stock Unit 18,820 $0.00 -
Feb 27, 2026 VV Vahid Vahedi - Officer Grant or award Common Stock 9,053 $0.00 -
Feb 27, 2026 VV Vahid Vahedi - Officer Tax withholding / forfeiture Common Stock 24,675 $233.89 $5.77M
Feb 27, 2026 VV Vahid Vahedi - Officer Tax withholding / forfeiture Common Stock 2,994 $233.89 $700K
Feb 27, 2026 VV Vahid Vahedi - Officer Tax withholding / forfeiture Common Stock 1,923 $233.89 $450K
Mar 27, 2026 VV Vahid Vahedi - Officer Tax withholding / forfeiture Common Stock 3,382 $233.89 $791K
Feb 27, 2026 VV Vahid Vahedi - Officer Grant or award Market-based Performance Restricted Stock Unit 11,065 $0.00 -
Feb 27, 2026 AH Ava Harter - Officer Grant or award Common Stock 7,106 $0.00 -
Feb 27, 2026 AH Ava Harter - Officer Tax withholding / forfeiture Common Stock 1,988 $233.89 $465K
Mar 27, 2026 AH Ava Harter - Officer Tax withholding / forfeiture Common Stock 3,199 $233.89 $748K
Feb 27, 2026 AH Ava Harter - Officer Grant or award Market-based Performance Restricted Stock Unit 8,685 $0.00 -
Feb 27, 2026 NF Neil J. Fernandes - Officer Tax withholding / forfeiture Common Stock 10,694 $233.89 $2.50M
Feb 27, 2026 NF Neil J. Fernandes - Officer Tax withholding / forfeiture Common Stock 1,298 $233.89 $304K
Feb 27, 2026 NF Neil J. Fernandes - Officer Tax withholding / forfeiture Common Stock 1,809 $233.89 $423K
Feb 27, 2026 NF Neil J. Fernandes - Officer Tax withholding / forfeiture Common Stock 3,290 $233.89 $769K
Feb 27, 2026 NF Neil J. Fernandes - Officer Grant or award Market-based Performance Restricted Stock Unit 10,113 $0.00 -
Feb 27, 2026 TA Timothy Archer - Officer Grant or award Common Stock 51,053 $0.00 -
Feb 27, 2026 TA Timothy Archer - Officer Tax withholding / forfeiture Common Stock 134,624 $233.89 $31.49M
Feb 27, 2026 TA Timothy Archer - Officer Tax withholding / forfeiture Common Stock 9,975 $233.89 $2.33M
Feb 27, 2026 TA Timothy Archer - Officer Tax withholding / forfeiture Common Stock 8,111 $233.89 $1.90M
Feb 27, 2026 TA Timothy Archer - Officer Tax withholding / forfeiture Common Stock 19,584 $233.89 $4.58M
Feb 27, 2026 TA Timothy Archer - Officer Grant or award Market-based Performance Restricted Stock Unit 76,580 $0.00 -
Feb 27, 2026 PL Patrick J. Lord - Officer Tax withholding / forfeiture Common Stock 31,406 $233.89 $7.35M
Feb 27, 2026 PL Patrick J. Lord - Officer Tax withholding / forfeiture Common Stock 2,325 $233.89 $544K
Feb 27, 2026 PL Patrick J. Lord - Officer Tax withholding / forfeiture Common Stock 1,755 $233.89 $410K
Feb 27, 2026 PL Patrick J. Lord - Officer Tax withholding / forfeiture Common Stock 4,469 $233.89 $1.05M
Feb 27, 2026 CC Christina Correia - Officer Tax withholding / forfeiture Common Stock 1,421 $233.89 $332K
Feb 27, 2026 CC Christina Correia - Officer Tax withholding / forfeiture Common Stock 4,306 $233.89 $1.01M
Feb 27, 2026 CC Christina Correia - Officer Tax withholding / forfeiture Common Stock 996 $233.89 $233K
Feb 27, 2026 CC Christina Correia - Officer Tax withholding / forfeiture Common Stock 11,963 $233.89 $2.80M
Feb 27, 2026 CC Christina Correia - Officer Tax withholding / forfeiture Common Stock 942 $233.89 $220K
Feb 27, 2026 CC Christina Correia - Officer Grant or award Market-based Performance Restricted Stock Unit 1,362 $0.00 -
Feb 6, 2026 EB Eric Brandt - Director Open-market sale Common Stock 17,000 $220.95 $3.76M
Feb 6, 2026 EB Eric Brandt - Director Open-market sale Common Stock 18,000 $230.00 $4.14M
Feb 6, 2026 AD Anirudh Devgan - Director Grant or award Common Stock 1,141 $0.00 -
Feb 3, 2026 DB Douglas R. Bettinger - Officer Option exercise Market-based Performance Restricted Stock Unit 51,280 $0.00 -
Feb 3, 2026 CC Christina Correia - Officer Option exercise Market-based Performance Restricted Stock Unit 6,030 $0.00 -
Feb 3, 2026 NF Neil J. Fernandes - Officer Option exercise Market-based Performance Restricted Stock Unit 14,380 $0.00 -
Feb 3, 2026 PL Patrick J. Lord - Officer Option exercise Common Stock 63,345 $0.00 -
Feb 3, 2026 PL Patrick J. Lord - Officer Option exercise Market-based Performance Restricted Stock Unit 42,230 $0.00 -
Feb 3, 2026 VV Vahid Vahedi - Officer Option exercise Common Stock 49,770 $0.00 -
Feb 3, 2026 VV Vahid Vahedi - Officer Option exercise Market-based Performance Restricted Stock Unit 33,180 $0.00 -
Feb 3, 2026 SV Seshasayee Varadarajan - Officer Option exercise Market-based Performance Restricted Stock Unit 35,950 $0.00 -
$MCO
MOODYS CORP /DE/
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AMTECH SYSTEMS INC
Abhijit Y. Talwalkar - DirectorOpen-market sale$6.12M
