LAM RESEARCH CORP (LRCX)
Latest LRCX Insider Trades
- Timothy Archer - OfficerOpen-market sale$9.00M
Abhijit Y. Talwalkar - DirectorOpen-market sale$6.12M
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.
- FREMONT, CA
- 23,300
- 1984
- XNAS
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)
363 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 3 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Ho Kyu Kang - Director | Tax withholding / forfeiture | Common Stock | 1,107 |
Recent LRCX Form 8-K Filings
3Recent LRCX Form 144 Notices of Proposed Sale
3A 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 |
|---|---|---|---|---|---|
| ARCHER TIMOTHY | Officer, Director | 30,000 | $9.00M | View on EDGAR | |
| - | - |
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
Recent Insider Filings
10Every 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.
- - Timothy Archer view on EDGAR
- - Ava Harter view on EDGAR
- - Abhijit Y. Talwalkar view on EDGAR
- - Timothy Archer view on EDGAR
- - Eric Brandt view on EDGAR
- - Neil J. Fernandes view on EDGAR
- - Neil J. Fernandes view on EDGAR
- - Ava Harter view on EDGAR
- - Abhijit Y. Talwalkar view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Industrials
- Where LRCX's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track LRCX insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.
