Lam Research officer plans $17.4M stock sale

LAM RESEARCH CORP (LRCX) received a notice that officer Varadarajan Seshasayee plans to sell up to 59,750 shares of common stock under Rule 144 through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

LAM RESEARCH CORP (LRCX) received a notice that officer Varadarajan Seshasayee plans to sell up to 59,750 shares of common stock under Rule 144 through Fidelity Brokerage Services LLC. The filing lists an approximate sale date of September 2, 2026 and an aggregate market value of about $17,406,370. The shares derive from 20,000 restricted stock units vesting on March 1, 2026 and 39,750 shares from a stock option exercise on September 2, 2026.

Key Figures

Planned shares to be sold: 59,750 shares Aggregate market value: $17,406,370 Shares from restricted stock vesting: 20,000 shares +3 more

6 metrics

Planned shares to be sold 59,750 shares Common stock under Rule 144 for Varadarajan Seshasayee

Aggregate market value $17,406,370 Value of 59,750 shares of LAM RESEARCH CORP common stock

Shares from restricted stock vesting 20,000 shares Restricted stock vesting on March 1, 2026

Shares from stock option exercise 39,750 shares Stock option exercise on September 2, 2026

Shares outstanding 1,251,321,000 shares Number of common shares outstanding referenced in the notice

Approximate date of sale September 2, 2026 Planned sale date for the 59,750 shares

Key Terms

Rule 144, restricted stock vesting, stock option exercise, aggregate market value, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

restricted stock vesting financial

"Common | 03/01/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

stock option exercise financial

"Common | 09/02/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

aggregate market value financial

"59750 | 17406370.00 | 1251321000"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

attorney-in-fact regulatory

"as attorney-in-fact for Seshasayee Varadarajan"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

FAQ

What does the Form 144 filing disclose for LRCX?

The filing discloses that officer Varadarajan Seshasayee intends to sell up to 59,750 shares of LAM RESEARCH CORP common stock under Rule 144 through Fidelity Brokerage Services LLC, with an approximate sale date of September 2, 2026.

How many LRCX shares are planned to be sold and at what value?

The notice covers up to 59,750 shares of LAM RESEARCH CORP common stock, with an aggregate market value of about $17,406,370 as stated in the filing.

What are the sources of the LRCX shares to be sold by Seshasayee?

The shares come from 20,000 restricted shares vesting on March 1, 2026 and 39,750 shares acquired via a stock option exercise on September 2, 2026, both from LAM RESEARCH CORP as issuer.

On which exchange are the LRCX shares to be sold under this Form 144?

The planned sale of LAM RESEARCH CORP common stock is indicated for trading on the NASDAQ exchange.

Who is the broker handling the planned LRCX share sale?

The planned sale of up to 59,750 LAM RESEARCH CORP shares will be handled by Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/02/2026 - 11:52 AM Accepted by SEC EDGAR 09/02/2026 - 11:51 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001707827
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	LAM RESEARCH CORP
SEC File Number	000-12933
Address of Issuer	4650 CUSHING BLVD FREMONT CALIFORNIA 94538
Phone	5106590200
Name of Person for Whose Account the Securities are To Be Sold	Varadarajan Seshasayee
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	59750	17406370.00	1251321000	09/02/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/01/2026	Restricted Stock Vesting	Issuer			20000	03/01/2026	Compensation
Common	09/02/2026	Stock Option Exercise	Issuer			39750	09/02/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/02/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/04/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jared Cook, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Seshasayee Varadarajan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)