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Nasdaq · USD

LRCX

LAM RESEARCH CORP

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Tapewire entity
1467
SEC CIK
0000707549
Parsed reports
1,156

Last 12 months

Inside the activity.

0 purchase rows · 66 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202503
Dec 202502
Jan 202600
Feb 202602
Mar 202604
Apr 202601
May 202601
Jun 2026044
Jul 202602
Aug 202602
Sep 202605
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,517 $349.79 $530,631.43
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 13

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 220,356

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F15 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $349.409 to $350.260, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 4,334 $348.73 $1,511,395.82
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 12

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 221,873

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F14 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $348.391 to $349.351, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 6,592 $347.86 $2,293,093.12
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 11

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 226,207

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F13 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $347.383 to $348.355, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 3,442 $346.79 $1,193,651.18
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 10

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 232,799

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F12 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $346.383 to $347.359, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 2,832 $345.84 $979,418.88
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 9

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,241

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F11 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $345.386 to $346.336, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 3,208 $344.92 $1,106,503.36
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 8

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,073

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F10 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $344.396 to $345.348, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,481 $343.96 $509,404.76
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 7

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 242,281

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F9 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $343.40 to $344.377, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 3,644 $342.91 $1,249,564.04
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 6

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 243,762

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F8 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $342.415 to $343.39, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,070 $341.81 $365,736.70
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 5

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,406

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F7 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $341.418 to $342.202, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,277 $340.68 $435,048.36
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 4

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 248,476

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F6 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $340.278 to $341.249, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,895 $339.75 $643,826.25
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 3

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 249,753

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F5 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $339.23 to $340.20, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 1,083 $338.62 $366,725.46
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 2

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,648

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F4 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $338.19 to $339.15, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 11, 2026 Filed Jun 15, 2026 16:27 UTC
BRANDT ERICDirector
SaleCommon Stock 974 $337.56 $328,783.44
Disclosure

SEC source: 0001190639-26-000004 · wk-form4_1781540828.xml · nonDerivative · entry 1

BRANDT ERIC · CIK 0001190639 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 252,731

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 6, 2026.

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $337.00 to $337.97, inclusive

F3 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
June 01, 2026 Filed Jun 2, 2026 16:05 UTC
Fernandes Neil JSenior Vice President
SaleCommon Stock 7,659 $309.60 $2,371,226.40
Disclosure

SEC source: 0001966598-26-000004 · wk-form4_1780416309.xml · nonDerivative · entry 1

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 58,470

F1 · shares: his transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
May 01, 2026 Filed May 4, 2026 17:24 UTC
Fernandes Neil JSenior Vice President
SaleCommon Stock 18,170 $255.14 $4,635,893.80
Disclosure

SEC source: 0000707549-26-000024 · wk-form4_1777915449.xml · nonDerivative · entry 1

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,129

F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 17, 2025.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 18:04 UTC
Harter AvaChief Legal Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 6,010 $0.00 Strike: $77.04 $0.00
Disclosure

SEC source: 0001642415-26-000008 · wk-form4_1777399454.xml · derivative · entry 3

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,010

Underlying: Common Stock · 6,010 shares

Expires 2031-08-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 18:04 UTC
Harter AvaChief Legal Officer
SaleCommon Stock 6,010 $258.66 $1,554,546.60
Disclosure

SEC source: 0001642415-26-000008 · wk-form4_1777399454.xml · nonDerivative · entry 2

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,205.455

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
April 27, 2026 Filed Apr 28, 2026 18:04 UTC
Harter AvaChief Legal Officer
Exercise / conversionCommon Stock 6,010 $77.04 $463,004.39
Disclosure

SEC source: 0001642415-26-000008 · wk-form4_1777399454.xml · nonDerivative · entry 1

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,215.455

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 27, 2026 Filed Mar 2, 2026 23:12 UTC
Harter AvaChief Legal Officer
Tax withholdingCommon Stock 3,199 $233.89 $748,214.11
Disclosure

SEC source: 0001642415-26-000002 · wk-form4_1772493168.xml · nonDerivative · entry 3

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,705.455

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 27, 2026 Filed Mar 2, 2026 23:13 UTC
Vahedi VahidSenior Vice President
Tax withholdingCommon Stock 3,382 $233.89 $791,015.98
Disclosure

SEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · nonDerivative · entry 5

Vahedi Vahid · CIK 0001707826 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 276,896

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 10, 2026 Filed Mar 11, 2026 19:54 UTC GiftCommon Stock 4,571 $0.00 $0.00
Disclosure

SEC source: 0001316065-26-000005 · wk-form4_1773258849.xml · nonDerivative · entry 1

TALWALKAR ABHIJIT Y · CIK 0001316065 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,424

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:49 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 26,480 $0.00 Strike: $98.15 $0.00
Disclosure

SEC source: 0001469469-26-000007 · wk-form4_1772736581.xml · derivative · entry 5

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,240

Underlying: Common Stock · 26,480 shares

Expires 2031-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2025, 03/01/2026, and 03/01/2027.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:49 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 51,270 $0.00 Strike: $49.09 $0.00
Disclosure

SEC source: 0001469469-26-000007 · wk-form4_1772736581.xml · derivative · entry 4

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 51,270 shares

Expires 2030-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2024, 03/01/2025 and 03/01/2026.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:49 UTC
Bettinger Douglas RChief Financial Officer & EVP
SaleCommon Stock 50,057 $224.03 $11,214,269.71
Disclosure

SEC source: 0001469469-26-000007 · wk-form4_1772736581.xml · nonDerivative · entry 3

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,081,705

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $223.90 to $224.39, inclusive

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:49 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionCommon Stock 26,480 $98.15 $2,599,091.44
Disclosure

SEC source: 0001469469-26-000007 · wk-form4_1772736581.xml · nonDerivative · entry 2

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,131,762

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:49 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionCommon Stock 51,270 $49.09 $2,516,946.84
Disclosure

SEC source: 0001469469-26-000007 · wk-form4_1772736581.xml · nonDerivative · entry 1

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,105,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 04, 2026 Filed Mar 5, 2026 18:48 UTC
Harter AvaChief Legal Officer
SaleCommon Stock 1,500 $222.66 $333,990.00
Disclosure

SEC source: 0001642415-26-000006 · wk-form4_1772736532.xml · nonDerivative · entry 1

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,205.455

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 11,710 $0.00 Strike: $30.03 $0.00
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · derivative · entry 7

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,710 shares

Expires 2027-03-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/02/2021, 03/02/2022, and 03/02/2023.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 37,980 $0.00 Strike: $54.06 $0.00
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · derivative · entry 6

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 37,980 shares

Expires 2029-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2023, 03/01/2024 and 03/01/2024.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 16,620 $0.00 Strike: $59.88 $0.00
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · derivative · entry 5

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 16,620 shares

Expires 2028-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2022, 03/01/2023 and 03/01/2024.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
SaleCommon Stock 40,329 $230.22 $9,284,542.38
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · nonDerivative · entry 4

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,054,012

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $230.07 .00 to $230.39, inclusive

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionCommon Stock 11,710 $30.03 $351,686.43
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · nonDerivative · entry 3

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,094,341

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionCommon Stock 37,980 $54.06 $2,053,084.86
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · nonDerivative · entry 2

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,082,631

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:16 UTC
Bettinger Douglas RChief Financial Officer & EVP
Exercise / conversionCommon Stock 16,620 $59.88 $995,222.22
Disclosure

SEC source: 0001469469-26-000005 · wk-form4_1772568980.xml · nonDerivative · entry 1

Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,044,651

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
March 02, 2026 Filed Mar 3, 2026 20:15 UTC
Harter AvaChief Legal Officer
SaleCommon Stock 4,000 $232.50 $930,000.00
Disclosure

SEC source: 0001642415-26-000004 · wk-form4_1772568899.xml · nonDerivative · entry 1

Harter Ava · CIK 0001642415 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,705.455

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
GrantMarket-based Performance Restricted Stock Unit · Derivative 10,113 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · derivative · entry 7

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,113

Underlying: Common Stock · 10,113 shares

Expires not disclosed

F4 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.

F4 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
Tax withholdingCommon Stock 3,290 $233.89 $769,498.10
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · nonDerivative · entry 5

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,951

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
Tax withholdingCommon Stock 1,809 $233.89 $423,107.01
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · nonDerivative · entry 4

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,241

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
Tax withholdingCommon Stock 1,298 $233.89 $303,589.22
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · nonDerivative · entry 3

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,050

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
Tax withholdingCommon Stock 10,694 $233.89 $2,501,219.66
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · nonDerivative · entry 2

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,348

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:11 UTC
Fernandes Neil JSenior Vice President
GrantCommon Stock 8,274 $0.00 $0.00
Disclosure

SEC source: 0000707549-26-000016 · wk-form4_1772493104.xml · nonDerivative · entry 1

Fernandes Neil J · CIK 0001966598 · Senior Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,042

F1 · shares: The restricted stock units will vest in three equal installments on 02/27/2027, 02/27/2028, and 02/27/2029.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:09 UTC
LORD PATRICK JExecutive Vice President
Tax withholdingCommon Stock 4,469 $233.89 $1,045,254.41
Disclosure

SEC source: 0001343531-26-000005 · wk-form4_1772492995.xml · nonDerivative · entry 4

LORD PATRICK J · CIK 0001343531 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,848

F1 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:09 UTC
LORD PATRICK JExecutive Vice President
Tax withholdingCommon Stock 1,755 $233.89 $410,476.95
Disclosure

SEC source: 0001343531-26-000005 · wk-form4_1772492995.xml · nonDerivative · entry 3

LORD PATRICK J · CIK 0001343531 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,317

F1 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:09 UTC
LORD PATRICK JExecutive Vice President
Tax withholdingCommon Stock 2,325 $233.89 $543,794.25
Disclosure

SEC source: 0001343531-26-000005 · wk-form4_1772492995.xml · nonDerivative · entry 2

LORD PATRICK J · CIK 0001343531 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,072

F1 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:09 UTC
LORD PATRICK JExecutive Vice President
Tax withholdingCommon Stock 31,406 $233.89 $7,345,549.34
Disclosure

SEC source: 0001343531-26-000005 · wk-form4_1772492995.xml · nonDerivative · entry 1

LORD PATRICK J · CIK 0001343531 · Executive Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,397

F1 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:10 UTC
ARCHER TIMOTHYPresident and CEO
GrantMarket-based Performance Restricted Stock Unit · Derivative 76,580 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · derivative · entry 8

ARCHER TIMOTHY · CIK 0001343600 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 76,580

Underlying: Common Stock · 76,580 shares

Expires not disclosed

F4 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.

F4 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 2/27/2029. The performance of this award is based on the percentile ranking of Lam Research's Total Shareholder Return relative to the Total Shareholder Return of the companies in the PHLX Semiconductor Total Return Index during the performance period of 02/2/2026 through 02/01/2029.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:10 UTC
ARCHER TIMOTHYPresident and CEO
Tax withholdingCommon Stock 19,584 $233.89 $4,580,501.76
Disclosure

SEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · nonDerivative · entry 5

ARCHER TIMOTHY · CIK 0001343600 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,075,618

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:10 UTC
ARCHER TIMOTHYPresident and CEO
Tax withholdingCommon Stock 8,111 $233.89 $1,897,081.79
Disclosure

SEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · nonDerivative · entry 4

ARCHER TIMOTHY · CIK 0001343600 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,095,202

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:10 UTC
ARCHER TIMOTHYPresident and CEO
Tax withholdingCommon Stock 9,975 $233.89 $2,333,052.75
Disclosure

SEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · nonDerivative · entry 3

ARCHER TIMOTHY · CIK 0001343600 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,103,313

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document
February 27, 2026 Filed Mar 2, 2026 23:10 UTC
ARCHER TIMOTHYPresident and CEO
Tax withholdingCommon Stock 134,624 $233.89 $31,487,207.36
Disclosure

SEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · nonDerivative · entry 2

ARCHER TIMOTHY · CIK 0001343600 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,113,288

F3 · shares: Represents shares that were automatically withheld upon vesting of restricted stock units to satisfy tax withholding obligations.

F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.