Welcome to our dedicated page for Lam Research SEC filings (Ticker: LRCX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Lam Research Corporation (NASDAQ: LRCX) SEC filings page provides access to the company’s official regulatory disclosures, offering detailed insight into its operations as a global supplier of wafer fabrication equipment and services to the semiconductor industry. These documents are a primary source for understanding Lam’s financial performance, governance, capital structure, and key corporate decisions.
Investors can review current reports on Form 8-K, where Lam reports material events such as quarterly financial results, changes in its independent registered public accounting firm, and outcomes of stockholder meetings. For example, Lam has used Form 8-K to furnish earnings releases for quarters ended June 29, 2025 and September 28, 2025, to disclose the transition of its independent auditor from Ernst & Young LLP to KPMG LLP, and to report stockholder approval of the Lam 2025 Stock Incentive Plan and amendments to its Restated Certificate of Incorporation.
The company’s definitive proxy statement on Schedule 14A provides extensive information on corporate governance, board composition, executive compensation, equity incentive plans, and the items submitted to stockholders for vote at the annual meeting. This includes proposals related to director elections, advisory votes on executive compensation, auditor ratification, amendments to the certificate of incorporation, and stockholder proposals.
Through Lam’s annual and quarterly reports filed on Forms 10-K and 10-Q, users can examine comprehensive financial statements, management’s discussion and analysis, risk factors, and segment and geographic revenue details relevant to the semiconductor machinery manufacturing business. These filings complement the summarized data in earnings releases and help explain trends in systems revenue, customer support-related revenue, margins, cash balances, and other key metrics.
On Stock Titan, Lam Research filings are updated as they are posted to the SEC’s EDGAR system. AI-powered tools can assist by highlighting important sections, summarizing complex disclosures, and helping users locate information on topics such as stock incentive plans, auditor changes, dividend declarations, and board-authorized corporate actions. This makes it easier to interpret lengthy documents like 10-Ks, 10-Qs, and proxy statements, and to track how Lam’s regulatory reporting reflects its role in the semiconductor equipment industry.
Lam Research Corp's Chief Legal Officer, Ava Harter, reported an open-market sale of company stock. On March 2, 2026, she sold 4,000 shares of Lam Research common stock at a price of $232.50 per share. After this transaction, she directly owned 54,705.455 shares of common stock.
Lam Research Chief Financial Officer and EVP Douglas R. Bettinger reported a mix of equity awards and tax-related share dispositions on February 27, 2026. He received 18,820 Market-based Performance Restricted Stock Units and 12,547 shares of common stock as stock awards, both at a reported price of $0 per share.
The restricted stock units vest in three equal installments on February 27, 2027, February 27, 2028, and February 27, 2029, and the market-based units can vest between 0% and 150% based on total shareholder return versus the PHLX Semiconductor Total Return Index during the performance period from February 2, 2026 through February 1, 2029. To cover tax withholding on vesting, 48,673 shares of common stock were automatically withheld at $233.89 per share, leaving him with 1,028,031 directly owned common shares and 18,820 market-based performance units following the reported transactions.
LAM RESEARCH CORP Senior Vice President Varadarajan Seshasayee reported equity award grants and related tax withholding transactions. On 02/27/2026, he received 18,820 market-based performance restricted stock units and a separate grant of 12,547 shares of common stock, both at a stated price of $0.00 per share.
The common stock units will vest in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029. The market-based performance restricted stock units can vest between 0% and 150% on 02/27/2029, based on Lam Research’s total shareholder return versus the PHLX Semiconductor Total Return Index over the period from 02/02/2026 through 02/01/2029.
Several blocks of common stock, including 26,126 shares at $233.89 per share, were automatically withheld to cover tax obligations upon restricted stock unit vesting.
LAM RESEARCH CORP Senior Vice President Vahid Vahedi reported equity awards and related tax-withholding share dispositions. On 02/27/2026, he received 9,053 shares of common stock and 11,065 market-based performance restricted stock units at $0 per unit as equity grants.
The restricted stock units vest in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029. The market-based performance units can vest between 0% and 150% on 02/27/2029, based on Lam Research’s total shareholder return versus the PHLX Semiconductor Total Return Index from 02/02/2026 through 02/01/2029.
To cover tax withholding on vesting, shares of common stock were automatically withheld in several transactions on 02/27/2026 and 03/27/2026, including 3,382, 24,675, 2,994, and 1,923 shares at $233.89 per share. After the most recent transaction on 03/27/2026, he directly held 276,896 shares of common stock and 11,065 performance units.
Lam Research chief legal officer Ava Harter reported stock awards and related tax withholdings. On 02/27/2026, she received grants of 7,106 shares of common stock and 8,685 market-based performance restricted stock units at $0.00 per share. The common stock units will vest in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029. The performance units may vest between 0% and 150% on 02/27/2029, based on Lam Research’s total shareholder return versus the PHLX Semiconductor Total Return Index from 02/02/2026 through 02/01/2029. To satisfy tax withholding obligations upon vesting of restricted stock units, 1,988 shares were withheld on 02/27/2026 and 3,199 shares were withheld on 03/27/2026, at a price of $233.89 per share, leaving 58,705.455 common shares directly owned after the March transaction. The reported holdings include shares underlying unvested restricted stock units.
LAM RESEARCH CORP Senior Vice President Neil J. Fernandes reported equity awards and related tax withholding transactions. He received 10,113 market-based performance restricted stock units and 8,274 shares of common stock on February 27, 2026 as grant or award acquisitions at no cash cost.
The time-based restricted stock units vest in three equal installments on February 27, 2027, 2028, and 2029. The market-based performance units can vest between 0% and 150% on February 27, 2029, depending on Lam Research’s total shareholder return versus the PHLX Semiconductor Total Return Index over the performance period from February 2, 2026 through February 1, 2029. Multiple entries labeled as code F show an aggregate disposition of common shares at $233.89 per share to satisfy tax withholding obligations upon vesting, and his directly held common stock position after these transactions was 83,951 shares, including shares subject to unvested restricted stock units.
LAM RESEARCH CORP President and CEO Timothy Archer reported equity compensation and related tax withholdings. He received a grant of 76,580 Market-based Performance Restricted Stock Units and 51,053 shares of common stock on 02/27/2026. The RSUs and performance units vest over time through 02/27/2029, while 134,624, 9,975, 8,111 and 19,584 common shares were automatically withheld at $233.89 per share to cover tax obligations as his restricted stock units vested.
LAM RESEARCH CORP Executive Vice President Patrick J. Lord reported multiple Form 4 transactions in common stock on 2026-02-27. Shares were automatically withheld at $233.89 per share to cover tax obligations upon vesting of restricted stock units. After these tax-withholding dispositions, he directly owned 98,848 common shares, which the disclosure states includes unvested restricted stock units.
Lam Research Corp executive Christina Correia, the company's CVP and Chief Accounting Officer, reported multiple equity-related transactions dated February 27, 2026. She was granted 1,362 Market-based Performance Restricted Stock Units, which will vest between 0% and 150% on February 27, 2029 based on Lam Research's total shareholder return performance.
She also acquired 3,180 shares of common stock and another 12,979 shares of common stock through restricted stock unit awards. These restricted stock units vest in three installments on February 27, 2027, February 27, 2028, and February 27, 2029, with one award vesting 25%, 25%, and 50% on those dates. Several additional transactions labeled code F represent shares of common stock automatically withheld at a price of $233.89 per share to cover tax withholding obligations upon vesting. After these transactions, Correia directly owned 58,589 shares of common stock, including shares subject to unvested restricted stock units.
LRCX filing dated 03/02/2026 reports proposed sales of common stock by Fidelity Brokerage Services LLC. The notice lists multiple lots totaling examples shown: 6,579, 10,423, and 23,327 shares to be sold.
The filing is a Form 144 notice of intended sale and does not specify transaction proceeds or execution timing.