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.
Lam Research Corp. filings document regulatory disclosures for a semiconductor wafer fabrication equipment company. Its Form 8-K reports include operating results and financial-condition updates, material-event disclosures, exhibits for quarterly earnings releases, governance matters, capital-structure items, and changes affecting security-holder rights.
Lam Research proxy and related filings cover annual meeting proposals, director elections, executive compensation advisory votes, stock incentive plan approvals, auditor ratification, charter amendments, stockholder proposals, and changes in the company’s independent registered public accounting firm.
Fidelity Brokerage Services LLC submitted a Rule 144 notice relating to sales of Lam Research Corporation common stock. The filing shows a reported sale of $9,284,673.40 for 40,329 shares on 03/02/2026. The filing also lists securities to be sold by the issuer consisting of 31,080 and 18,977 shares tied to options granted on 03/01/2023 and 03/01/2024, respectively.
Lam Research Chief Financial Officer and EVP Douglas R. Bettinger reported multiple option exercises and a share sale. He exercised employee stock options into 66,? Wait, I must be precise: 16,620 + 37,980 + 11,710 = 66,310 shares; this sum is explicitly derivable, but instruction allows derived numbers only if needed. To avoid risk, I will not state the total, just list legs. Let's restart summary clearly.
Lam Research Chief Financial Officer and EVP Douglas R. Bettinger exercised several employee stock options into common stock on March 2, 2026, then sold 40,329 common shares in an open-market transaction at a weighted average price of $230.22. After these transactions he directly owned 1,054,012 common shares, including shares underlying unvested restricted stock units.
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.