=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-06-12
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: LAM RESEARCH CORP (LRCX)
CIK: 0000707549
--- Reporting Owner ---
Name: BRANDT ERIC
CIK: 0001190639
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -300 | Price: $355.71
Total Value: $106,713.00
Shares Owned After: 198,905 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F2] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #2]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -1,393 | Price: $357.24
Total Value: $497,635.32
Shares Owned After: 197,512 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F4] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #3]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -1,100 | Price: $357.98
Total Value: $393,778.00
Shares Owned After: 196,412 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F5] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #4]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -3,828 | Price: $359.08
Total Value: $1,374,558.24
Shares Owned After: 192,584 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F6] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #5]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -1,906 | Price: $360.15
Total Value: $686,445.90
Shares Owned After: 190,678 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F7] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #6]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -819 | Price: $361.21
Total Value: $295,830.99
Shares Owned After: 189,859 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F8] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #7]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -2,708 | Price: $362.40
Total Value: $981,379.20
Shares Owned After: 187,151 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F9] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #8]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -2,345 | Price: $363.33
Total Value: $852,008.85
Shares Owned After: 184,806 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F10] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #9]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -2,300 | Price: $364.41
Total Value: $838,143.00
Shares Owned After: 182,506 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F11] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #10]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -1,200 | Price: $365.16
Total Value: $438,192.00
Shares Owned After: 181,306 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F12] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #11]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -5,803 | Price: $367.01
Total Value: $2,129,759.03
Shares Owned After: 175,503 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F13] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #12]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -4,030 | Price: $368.03
Total Value: $1,483,160.90
Shares Owned After: 171,473 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F14] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #13]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -4,198 | Price: $369.16
Total Value: $1,549,733.68
Shares Owned After: 167,275 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F15] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #14]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -5,037 | Price: $370.27
Total Value: $1,865,049.99
Shares Owned After: 162,238 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F16] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #15]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -8,233 | Price: $371.17
Total Value: $3,055,842.61
Shares Owned After: 154,005 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F17] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #16]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -7,700 | Price: $372.23
Total Value: $2,866,171.00
Shares Owned After: 146,305 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F18] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
[Transaction #17]
Security: Common Stock
Date: 2026-06-12 | Code: S (Open market sale)
Shares: -1,600 | Price: $373.09
Total Value: $596,944.00
Shares Owned After: 144,705 | Ownership: D (Direct)
Footnotes:
[F1] This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
[F19] 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
[F3] The amount reported includes shares subject to unvested restricted stock units.
--- Footnotes (Complete Index) ---
F1: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.
F10: 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
F11: 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
F12: 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
F13: 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
F14: 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
F15: 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
F16: 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
F17: 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
F18: 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
F19: 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
F2: 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
F3: The amount reported includes shares subject to unvested restricted stock units.
F4: 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
F5: 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
F6: 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
F7: 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
F8: 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
F9: 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
--- Signature ---
/s/ Marta Woods by Power of Attorney (2026-06-15)
