Form 8-K
Material Company Update
2026-07-29
LRCX filed 8-K — material company event
LAM RESEARCH CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Latest SEC filings for Lam Research Corporation (LRCX) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). All data sourced directly from SEC EDGAR — last updated 2026-07-29.
LAM RESEARCH CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
TALWALKAR ABHIJIT Y, listed as Director at LAM RESEARCH CORP, reported an open-market sale of 18,282 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
TALWALKAR ABHIJIT Y filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
ARCHER TIMOTHY, listed as President and CEO at LAM RESEARCH CORP, reported an open-market sale of 30,000 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
ARCHER TIMOTHY filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
BRANDT ERIC, listed as Director at LAM RESEARCH CORP, reported an open-market sale of 54,500 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
BRANDT ERIC, listed as Director at LAM RESEARCH CORP, reported an open-market sale of 54,500 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
BRANDT ERIC filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
BRANDT ERIC filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Fernandes Neil J, listed as Senior Vice President at LAM RESEARCH CORP, reported an open-market sale of 7,659 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Fernandes Neil J filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
LORD PATRICK J filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Fernandes Neil J, listed as Senior Vice President at LAM RESEARCH CORP, reported an open-market sale of 18,170 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Fernandes Neil J filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Harter Ava, listed as Chief Legal Officer at LAM RESEARCH CORP, reported an open-market sale of 6,010 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Harter Ava filed a Form 144 with the SEC indicating intent to sell LRCX (LAM RESEARCH CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
LAM RESEARCH CORP filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.
LAM RESEARCH CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
TALWALKAR ABHIJIT Y (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Bettinger Douglas R, listed as Chief Financial Officer & EVP at LAM RESEARCH CORP, reported an open-market sale of 50,057 LRCX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Executives, directors, and large shareholders must report any purchase or sale of LRCX shares within two business days. Consistent buying by multiple insiders is often read as a confidence signal; large sales may reflect diversification or liquidity needs rather than negative conviction.
Filed when a company affiliate intends to sell restricted or control shares. A Form 144 is a notice of intent, not confirmation — the actual sale is later confirmed via Form 4. It gives investors advance visibility into planned insider selling activity.
The 8-K is an event-driven filing that Lam Research Corporation must submit within four business days of a significant development — including earnings results, mergers, executive changes, credit facility updates, or regulatory actions. Each 8-K item code maps to a specific event type.
The 10-Q (quarterly) and 10-K (annual) are comprehensive reports covering Lam Research Corporation's financial results, risk factors, management discussion, and business operations. The 10-K includes audited financials and is the most complete public disclosure the company makes each year.
View valuation, growth metrics, AI Strong Buy score, demand zones, peer comparison, and more — all on the LRCX stock analysis page.