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LAM Research (LRCX) CEO Archer exercises options and sells 30,000 shares under 10b5-1 plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

LAM Research President and CEO Timothy Archer exercised employee stock options and sold shares in an open-market transaction. He exercised options for 30,000 shares of common stock at $30.033 per share and sold 30,000 shares at $390.01 per share on July 2, 2026.

After these transactions, Archer directly owned 1,075,966 shares of LAM Research common stock, with additional indirect holdings in his and his spouse’s 401(k) accounts. The filing notes that the sale was made under a pre-arranged Rule 10b5-1 trading plan adopted on February 24, 2026, and that his reported holdings include shares tied to unvested restricted stock units.

Positive

  • None.

Negative

  • None.
Insider ARCHER TIMOTHY
Role President and CEO
Sold 30,000 shs ($11.70M)
Type Security Shares Price Value
Exercise Employee Stock Option (Right to Buy) 30,000 $0.00 --
Exercise Common Stock 30,000 $30.033 $901K
Sale Common Stock 30,000 $390.01 $11.70M
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Employee Stock Option (Right to Buy) — 91,400 shares (Direct, null); Common Stock — 1,105,966 shares (Direct, null); Common Stock — 48,025.745 shares (Indirect, By 401(k))
Footnotes (1)
  1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026. The amount reported includes shares subject to unvested restricted stock units. The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.
Shares sold 30,000 shares Common stock sold on July 2, 2026
Sale price $390.01 per share Price for 30,000 shares of common stock
Options exercised 30,000 options Employee stock options converted to common stock
Exercise price $30.033 per share Conversion price for exercised employee stock options
Direct holdings after 1,075,966 shares Common stock directly owned after transactions
Spouse 401(k) holdings 5,670.026 shares Indirect ownership via spouse’s 401(k)
401(k) holdings 48,025.745 shares Indirect ownership via reporting person’s 401(k)
Remaining options position 91,400 options Employee stock options after exercise, expiration March 2, 2027
Rule 10b5-1 trading plan financial
"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
restricted stock units financial
"The amount reported includes shares subject to unvested restricted stock units."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
Employee Stock Option (Right to Buy) financial
"Security title: Employee Stock Option (Right to Buy) with underlying common stock."
open-market sale financial
"Transaction action: open-market sale of common stock under transaction code S."
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
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FAQ

What insider transaction did LAM Research (LRCX) CEO Timothy Archer report?

Timothy Archer reported exercising stock options and selling shares of LAM Research common stock. He exercised 30,000 options at $30.033 per share and sold 30,000 shares at $390.01 per share on July 2, 2026.

How many LAM Research (LRCX) shares did the CEO sell in this Form 4?

The CEO sold 30,000 shares of LAM Research common stock. These were open-market or private sales at a reported price of $390.01 per share, executed on July 2, 2026, according to the Form 4 filing data.

How many LAM Research (LRCX) shares does the CEO hold after the reported transactions?

After the reported transactions, Timothy Archer directly holds 1,075,966 shares of LAM Research common stock. He also has indirect holdings through a 401(k) account and his spouse’s 401(k), based on the positions shown in the Form 4.

Were Timothy Archer’s LAM Research (LRCX) share sales under a Rule 10b5-1 plan?

Yes, the Form 4 footnotes state the transaction was effected under a Rule 10b5-1 trading plan adopted on February 24, 2026. Such pre-arranged plans schedule trades in advance, making their timing more routine and less discretionary.

What stock options did the LAM Research (LRCX) CEO exercise in this filing?

He exercised employee stock options covering 30,000 shares of LAM Research common stock at a conversion or exercise price of $30.033 per share. The related option award had an expiration date of March 2, 2027, as disclosed.

Do the CEO’s reported LAM Research (LRCX) holdings include restricted stock units?

Yes, a footnote clarifies that the reported amount of common shares includes shares subject to unvested restricted stock units. This means some of the CEO’s disclosed holdings will vest over time according to prior equity award terms.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
ARCHER TIMOTHY

(Last)(First)(Middle)
4650 CUSHING PARKWAY

(Street)
FREMONT CALIFORNIA 94538

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
LAM RESEARCH CORP [ LRCX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
President and CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/02/2026M30,000(1)A$30.0331,105,966(2)D
Common Stock07/02/2026S30,000(1)D$390.011,075,966(2)D
Common Stock48,025.745IBy 401(k)
Common Stock5,670.026IBy Spouse 401(k)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Employee Stock Option (Right to Buy)$30.03307/02/2026M30,000 (3)03/02/2027Common Stock30,000$091,400D
Explanation of Responses:
1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 24, 2026.
2. The amount reported includes shares subject to unvested restricted stock units.
3. The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.
Remarks:
Marta Woods by Power of Attorney07/06/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)