Were Eric Brandt’s Lam Research (LRCX) share sales pre-planned?

Yes. The filing states the transactions were effected under a Rule 10b5-1 trading plan adopted on February 6, 2026. Such plans allow insiders to schedule trades in advance, helping separate personal trading decisions from day-to-day market information.

Lam Research (LRCX) director Eric Brandt sells 54,500 shares under plan

Filing Impact

(Very High)

Filing Sentiment

(Very Negative)

Form Type

Rhea-AI Filing Summary

Lam Research Corp director Eric Brandt reported open-market sales of 54,500 shares of common stock on June 12, 2026. The trades were executed under a pre-arranged Rule 10b5-1 trading plan adopted on February 6, 2026, at prices ranging from $355.39 to $373.36 per share. Following these transactions, he directly owns 198,905 shares, including shares subject to unvested restricted stock units.

Insider Trade Summary 10b5-1

Net Seller: 54,500 shares ($20,011,346)

Net Sell 17 txns

Insider BRANDT ERIC

Role null

Sold 54,500 shs ($20.01M)

Type	Security	Shares	Price	Value
Sale	Common Stock	300	$355.71	$107K
Sale	Common Stock	1,393	$357.24	$498K
Sale	Common Stock	1,100	$357.98	$394K
Sale	Common Stock	3,828	$359.08	$1.37M
Sale	Common Stock	1,906	$360.15	$686K
Sale	Common Stock	819	$361.21	$296K
Sale	Common Stock	2,708	$362.40	$981K
Sale	Common Stock	2,345	$363.33	$852K
Sale	Common Stock	2,300	$364.41	$838K
Sale	Common Stock	1,200	$365.16	$438K
Sale	Common Stock	5,803	$367.01	$2.13M
Sale	Common Stock	4,030	$368.03	$1.48M
Sale	Common Stock	4,198	$369.16	$1.55M
Sale	Common Stock	5,037	$370.27	$1.87M
Sale	Common Stock	8,233	$371.17	$3.06M
Sale	Common Stock	7,700	$372.23	$2.87M
Sale	Common Stock	1,600	$373.09	$597K

Holdings After Transaction: Common Stock — 198,905 shares (Direct, null)

Footnotes (1)

This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $355.39 to $356.02, inclusive The amount reported includes shares subject to unvested restricted stock units. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $356.685 to $357.67, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $357.68 to $358.35, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $358.73 to $359.54, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $359.84 to $360.79, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $360.85 to $361.83, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $361.87 to $362.82, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $363.92 to $363.77, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $363.92 to $364.85, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $364.98 to $365.67, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $366.56 to $367.55, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $367.62 to $368.49, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $368.70 to $369.64, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $369.70 to $370.69, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $370.70 to $371.59, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $371.77 to $372.76, inclusive The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $372.79 to $373.36, inclusive

Key Figures

Shares sold: 54,500 shares Lowest sale price: $355.39/share Highest sale price: $373.36/share +3 more

6 metrics

Shares sold 54,500 shares Open-market sales on June 12, 2026

Lowest sale price $355.39/share Price range from weighted average footnotes

Highest sale price $373.36/share Price range from weighted average footnotes

Shares owned after transactions 198,905 shares Direct holdings after June 12, 2026 sales

Number of sale transactions 17 transactions Non-derivative open-market sales coded “S”

Net share change -54,500 shares Net-sell direction in transaction summary

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, restricted stock units, open-market sale

4 terms

Rule 10b5-1 trading plan regulatory

"This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person"

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.

weighted average sale price financial

"The price reported in Column 4 is a weighted average sale price."

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.

open-market sale financial

"transaction_action": "open-market sale""

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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Form 4 Insider Transactions: What Each Field Means →

06/15/2026 - 07:33 PM

SEC Form 4

FORM 4

UNITED 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).

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^*

BRANDT ERIC

(Last)

(First)

(Middle)

C/O LAM RESEARCH CORPORATION

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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/12/2026		S		300⁽¹⁾	D	$355.71⁽²⁾	198,905⁽³⁾	D
Common Stock	06/12/2026		S		1,393⁽¹⁾	D	$357.24⁽⁴⁾	197,512⁽³⁾	D
Common Stock	06/12/2026		S		1,100⁽¹⁾	D	$357.98⁽⁵⁾	196,412⁽³⁾	D
Common Stock	06/12/2026		S		3,828⁽¹⁾	D	$359.08⁽⁶⁾	192,584⁽³⁾	D
Common Stock	06/12/2026		S		1,906⁽¹⁾	D	$360.15⁽⁷⁾	190,678⁽³⁾	D
Common Stock	06/12/2026		S		819⁽¹⁾	D	$361.21⁽⁸⁾	189,859⁽³⁾	D
Common Stock	06/12/2026		S		2,708⁽¹⁾	D	$362.4⁽⁹⁾	187,151⁽³⁾	D
Common Stock	06/12/2026		S		2,345⁽¹⁾	D	$363.33⁽¹⁰⁾	184,806⁽³⁾	D
Common Stock	06/12/2026		S		2,300⁽¹⁾	D	$364.41⁽¹¹⁾	182,506⁽³⁾	D
Common Stock	06/12/2026		S		1,200⁽¹⁾	D	$365.16⁽¹²⁾	181,306⁽³⁾	D
Common Stock	06/12/2026		S		5,803⁽¹⁾	D	$367.01⁽¹³⁾	175,503⁽³⁾	D
Common Stock	06/12/2026		S		4,030⁽¹⁾	D	$368.03⁽¹⁴⁾	171,473⁽³⁾	D
Common Stock	06/12/2026		S		4,198⁽¹⁾	D	$369.16⁽¹⁵⁾	167,275⁽³⁾	D
Common Stock	06/12/2026		S		5,037⁽¹⁾	D	$370.27⁽¹⁶⁾	162,238⁽³⁾	D
Common Stock	06/12/2026		S		8,233⁽¹⁾	D	$371.17⁽¹⁷⁾	154,005⁽³⁾	D
Common Stock	06/12/2026		S		7,700⁽¹⁾	D	$372.23⁽¹⁸⁾	146,305⁽³⁾	D
Common Stock	06/12/2026		S		1,600⁽¹⁾	D	$373.09⁽¹⁹⁾	144,705⁽³⁾	D

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

2. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $355.39 to $356.02, inclusive

3. The amount reported includes shares subject to unvested restricted stock units.

4. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $356.685 to $357.67, inclusive

5. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $357.68 to $358.35, inclusive

6. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $358.73 to $359.54, inclusive

7. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $359.84 to $360.79, inclusive

8. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $360.85 to $361.83, inclusive

9. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $361.87 to $362.82, inclusive

10. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $363.92 to $363.77, inclusive

11. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $363.92 to $364.85, inclusive

12. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $364.98 to $365.67, inclusive

13. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $366.56 to $367.55, inclusive

14. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $367.62 to $368.49, inclusive

15. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $368.70 to $369.64, inclusive

16. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $369.70 to $370.69, inclusive

17. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $370.70 to $371.59, inclusive

18. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $371.77 to $372.76, inclusive

19. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $372.79 to $373.36, inclusive

Remarks:

	Marta Woods by Power of Attorney	06/15/2026
	** Signature of Reporting Person	Date
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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Lam Research (LRCX) director Eric Brandt report in this Form 4?

Eric Brandt reported selling 54,500 shares of Lam Research common stock in open-market transactions. The trades occurred on June 12, 2026, under a pre-arranged Rule 10b5-1 plan and were executed at prices between $355.39 and $373.36 per share.

How many Lam Research (LRCX) shares does Eric Brandt hold after the reported sales?

After the reported transactions, Eric Brandt directly holds 198,905 Lam Research common shares. This figure includes shares subject to unvested restricted stock units, as disclosed, giving investors a view of his remaining direct equity stake in the company.

At what prices did Eric Brandt sell his Lam Research (LRCX) shares?

The reported prices are weighted average sale prices for multiple trades. According to the footnotes, the shares were sold in transactions with prices ranging from $355.39 to $373.36 per share across several narrow price bands.

Does Eric Brandt’s Lam Research (LRCX) holding include restricted stock units?

Yes. A footnote explains that the amount reported includes shares subject to unvested restricted stock units. This means part of his disclosed ownership reflects equity awards that are still in the process of vesting over time.