LRCX insider trading
TechnologyLAM RESEARCH CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About LAM RESEARCH CORP
Lam Research Corporation designs, manufactures, markets, refurbishes, and services semiconductor processing equipment used in the fabrication of integrated circuits in the United States, China, Korea, Taiwan, Japan, Southeast Asia, and Europe. The company offers ALTUS systems to deposit conformal or selective films for tungsten or molybdenum metallization applications; SABRE electrochemical deposition products for copper interconnect transition that offers copper damascene manufacturing; SPEED gapfill high-density plasma chemical vapor deposition (CVD) products; Striker single-wafer atomic layer deposition products for dielectric film solutions; and VECTOR plasma-enhanced CVD products. It also provides Flex for dielectric etch applications; Vantex, a dielectric etch system that provides RF technology and repeatable wafer-to-wafer performance enabled by Equipment Intelligence solutions; Kiyo for conductor etch applications; Syndion for through-silicon via etch applications; and Versys metal products for metal etch processes. In addition, the company offers Coronus bevel clean products to enhance die yield; and Da Vinci, DV-Prime, EOS, and SP series products to address various wafer cleaning applications. Further, it provides Reliant deposition, etch, and clean products; and Sense.i platform products, as well as customer service, spares, and upgrades. Lam Research Corporation was incorporated in 1980 and is headquartered in Fremont, California.
Company website: www.lamresearch.com
LRCX insider activity at a glance
FilingIQ has scored 1,214 insider transactions for LRCX since Jan 9, 2015. The most recent filing in our index is dated May 1, 2026.
Across the full history, 2 open-market purchases
and 341 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on LRCX insider trades is 61.8/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest LRCX Form 4 filings
Most recent disclosures. Sign up to filter by score, transaction code, or insider role.
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Frequently asked
- How many insider trades does FilingIQ track for LRCX?
- FilingIQ tracks 1,214 Form 4 insider transactions for LRCX (LAM RESEARCH CORP), covering filings from Jan 9, 2015 onwards. 66 of those were filed in the last 90 days.
- Are LRCX insiders net buyers or net sellers?
- Across the full Form 4 history for LRCX, 2 transactions (0%) were open-market purchases and 341 (28%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does LRCX insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is LRCX in?
- LAM RESEARCH CORP (LRCX) is classified in the Technology sector, specifically Semiconductor Equipment & Materials, with a current market capitalisation of $296.50B.
Methodology & sources
Every LRCX insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.