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LRCX

LAM RESEARCH CORP

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1467
SEC CIK
0000707549
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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

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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
March 01, 2018 Filed Mar 6, 2018 00:09 UTC
ARCHER TIMOTHYPresident and COO
GrantMarket-based Performance Restricted Stock Unit · Derivative 13,159 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000052 · wf-form4_152029495375510.xml · derivative · entry 6

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,159

Underlying: Common Stock · 13,159 shares

Expires not disclosed

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:09 UTC
ARCHER TIMOTHYPresident and COO
GrantCommon Stock 10,527 $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000052 · wf-form4_152029495375510.xml · nonDerivative · entry 3

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 87,431

F2 · shares: The Restricted Stock Units will vest in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:09 UTC
ARCHER TIMOTHYPresident and COO
Tax withholdingCommon Stock 2,568 $190.07 $488,099.76
Disclosure

SEC source: 0000707549-18-000052 · wf-form4_152029495375510.xml · nonDerivative · entry 2

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,904

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:09 UTC
ARCHER TIMOTHYPresident and COO
Tax withholdingCommon Stock 2,869 $190.07 $545,310.83
Disclosure

SEC source: 0000707549-18-000052 · wf-form4_152029495375510.xml · nonDerivative · entry 1

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,472

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:15 UTC
Anstice Martin BChief Executive Officer
GrantEmployee Stock Option (Right to Buy) · Derivative 18,948 $190.07 Strike: $190.07 $3,601,446.36
Disclosure

SEC source: 0000707549-18-000054 · wf-form4_152029528513603.xml · derivative · entry 5

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,948

Underlying: Common Stock · 18,948 shares

Expires 2025-03-01

F4 · derivative.exercise_date: The stock option becomes exercisable in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:15 UTC
Anstice Martin BChief Executive Officer
GrantMarket-based Performance Restricted Stock Unit · Derivative 23,687 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000054 · wf-form4_152029528513603.xml · derivative · entry 4

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,687

Underlying: Common Stock · 23,687 shares

Expires not disclosed

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 03/01/2021. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 02/01/2018 through 01/31/2021.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:15 UTC
Anstice Martin BChief Executive Officer
GrantCommon Stock 18,950 $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000054 · wf-form4_152029528513603.xml · nonDerivative · entry 3

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,336

F2 · shares: The Restricted Stock Units will vest in three equal installments on 03/01/2019, 03/01/2020, and 03/01/2021.

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:15 UTC
Anstice Martin BChief Executive Officer
Tax withholdingCommon Stock 4,566 $190.07 $867,859.62
Disclosure

SEC source: 0000707549-18-000054 · wf-form4_152029528513603.xml · nonDerivative · entry 2

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,386

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
March 01, 2018 Filed Mar 6, 2018 00:15 UTC
Anstice Martin BChief Executive Officer
Tax withholdingCommon Stock 5,379 $190.07 $1,022,386.53
Disclosure

SEC source: 0000707549-18-000054 · wf-form4_152029528513603.xml · nonDerivative · entry 1

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,952

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 22:54 UTC
Anstice Martin BChief Executive Officer
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 41,873 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000018 · wf-form4_151856243419039.xml · derivative · entry 4

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 41,873 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 41,873 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 22:54 UTC
Anstice Martin BChief Executive Officer
Tax withholdingCommon Stock 5,536 $165.87 $918,256.32
Disclosure

SEC source: 0000707549-18-000018 · wf-form4_151856243419039.xml · nonDerivative · entry 3

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,331

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 22:54 UTC
Anstice Martin BChief Executive Officer
Tax withholdingCommon Stock 30,237 $165.87 $5,015,411.19
Disclosure

SEC source: 0000707549-18-000018 · wf-form4_151856243419039.xml · nonDerivative · entry 2

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,867

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 22:54 UTC
Anstice Martin BChief Executive Officer
Exercise / conversionCommon Stock 62,809 $165.87 $10,418,128.83
Disclosure

SEC source: 0000707549-18-000018 · wf-form4_151856243419039.xml · nonDerivative · entry 1

Anstice Martin B · CIK 0001293332 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 167,104

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 · shares: On 2/11/15, the Reporting Person received a target grant of 41,873 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:01 UTC
Bettinger Douglas REVP, Chief Financial Officer
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 15,508 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000020 · wf-form4_151856287271059.xml · derivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,508 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 15,508 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:01 UTC
Bettinger Douglas REVP, Chief Financial Officer
Tax withholdingCommon Stock 2,050 $165.87 $340,033.50
Disclosure

SEC source: 0000707549-18-000020 · wf-form4_151856287271059.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,010

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:01 UTC
Bettinger Douglas REVP, Chief Financial Officer
Tax withholdingCommon Stock 10,645 $165.87 $1,765,686.15
Disclosure

SEC source: 0000707549-18-000020 · wf-form4_151856287271059.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,060

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:01 UTC
Bettinger Douglas REVP, Chief Financial Officer
Exercise / conversionCommon Stock 23,262 $165.87 $3,858,467.94
Disclosure

SEC source: 0000707549-18-000020 · wf-form4_151856287271059.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,705

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 · shares: On 2/11/15, the Reporting Person received a target grant of 15,508 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:06 UTC
Gottscho Richard AExecutive Vice President
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 18,610 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000022 · wf-form4_151856318932302.xml · derivative · entry 4

Gottscho Richard A · CIK 0001392424 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,610 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 18,610 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:06 UTC
Gottscho Richard AExecutive Vice President
Tax withholdingCommon Stock 2,460 $165.87 $408,040.20
Disclosure

SEC source: 0000707549-18-000022 · wf-form4_151856318932302.xml · nonDerivative · entry 3

Gottscho Richard A · CIK 0001392424 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,145

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:06 UTC
Gottscho Richard AExecutive Vice President
Tax withholdingCommon Stock 12,953 $165.87 $2,148,514.11
Disclosure

SEC source: 0000707549-18-000022 · wf-form4_151856318932302.xml · nonDerivative · entry 2

Gottscho Richard A · CIK 0001392424 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,605

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:06 UTC
Gottscho Richard AExecutive Vice President
Exercise / conversionCommon Stock 27,915 $165.87 $4,630,261.05
Disclosure

SEC source: 0000707549-18-000022 · wf-form4_151856318932302.xml · nonDerivative · entry 1

Gottscho Richard A · CIK 0001392424 · Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,558

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 · shares: On 2/11/15, the Reporting Person received a target grant of 18,610 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:12 UTC
LORD PATRICK JGroup Vice President
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 6,823 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000024 · wf-form4_151856350539600.xml · derivative · entry 4

LORD PATRICK J · CIK 0001343531 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,823 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,823 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of these awards is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:12 UTC
LORD PATRICK JGroup Vice President
Tax withholdingCommon Stock 1,127 $165.87 $186,935.49
Disclosure

SEC source: 0000707549-18-000024 · wf-form4_151856350539600.xml · nonDerivative · entry 3

LORD PATRICK J · CIK 0001343531 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,156

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:12 UTC
LORD PATRICK JGroup Vice President
Tax withholdingCommon Stock 4,193 $165.87 $695,492.91
Disclosure

SEC source: 0000707549-18-000024 · wf-form4_151856350539600.xml · nonDerivative · entry 2

LORD PATRICK J · CIK 0001343531 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,283

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:12 UTC
LORD PATRICK JGroup Vice President
Exercise / conversionCommon Stock 10,234 $165.87 $1,697,513.58
Disclosure

SEC source: 0000707549-18-000024 · wf-form4_151856350539600.xml · nonDerivative · entry 1

LORD PATRICK J · CIK 0001343531 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,476

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,823 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:20 UTC
ARCHER TIMOTHYPresident and COO
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 21,712 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000029 · wf-form4_151856403247491.xml · derivative · entry 6

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,712 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 21,712 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:20 UTC
ARCHER TIMOTHYPresident and COO
Tax withholdingCommon Stock 2,870 $165.87 $476,046.90
Disclosure

SEC source: 0000707549-18-000029 · wf-form4_151856403247491.xml · nonDerivative · entry 3

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,341

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:20 UTC
ARCHER TIMOTHYPresident and COO
Tax withholdingCommon Stock 15,256 $165.87 $2,530,512.72
Disclosure

SEC source: 0000707549-18-000029 · wf-form4_151856403247491.xml · nonDerivative · entry 2

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,211

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:20 UTC
ARCHER TIMOTHYPresident and COO
Exercise / conversionCommon Stock 32,568 $165.87 $5,402,054.16
Disclosure

SEC source: 0000707549-18-000029 · wf-form4_151856403247491.xml · nonDerivative · entry 1

ARCHER TIMOTHY · CIK 0001343600 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 100,467

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 · shares: On 2/11/15, the Reporting Person received a target grant of 21,712 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:25 UTC
Varadarajan SeshasayeeGroup Vice President
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 6,203 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000031 · wf-form4_151856431545895.xml · derivative · entry 5

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,203 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,203 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:25 UTC
Varadarajan SeshasayeeGroup Vice President
Tax withholdingCommon Stock 999 $165.87 $165,704.13
Disclosure

SEC source: 0000707549-18-000031 · wf-form4_151856431545895.xml · nonDerivative · entry 3

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,089

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:25 UTC
Varadarajan SeshasayeeGroup Vice President
Tax withholdingCommon Stock 3,616 $165.87 $599,785.92
Disclosure

SEC source: 0000707549-18-000031 · wf-form4_151856431545895.xml · nonDerivative · entry 2

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,088

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:25 UTC
Varadarajan SeshasayeeGroup Vice President
Exercise / conversionCommon Stock 9,304 $165.87 $1,543,254.48
Disclosure

SEC source: 0000707549-18-000031 · wf-form4_151856431545895.xml · nonDerivative · entry 1

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,704

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,203 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:31 UTC
O'Dowd Sarah ASVP, Chief Legal Officer
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 8,064 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000033 · wf-form4_151856465138908.xml · derivative · entry 4

O'Dowd Sarah A · CIK 0001447149 · SVP, Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,064 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 8,064 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:31 UTC
O'Dowd Sarah ASVP, Chief Legal Officer
Tax withholdingCommon Stock 1,066 $165.87 $176,817.42
Disclosure

SEC source: 0000707549-18-000033 · wf-form4_151856465138908.xml · nonDerivative · entry 3

O'Dowd Sarah A · CIK 0001447149 · SVP, Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,521

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:31 UTC
O'Dowd Sarah ASVP, Chief Legal Officer
Tax withholdingCommon Stock 5,114 $165.87 $848,259.18
Disclosure

SEC source: 0000707549-18-000033 · wf-form4_151856465138908.xml · nonDerivative · entry 2

O'Dowd Sarah A · CIK 0001447149 · SVP, Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,587

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:31 UTC
O'Dowd Sarah ASVP, Chief Legal Officer
Exercise / conversionCommon Stock 12,096 $165.87 $2,006,363.52
Disclosure

SEC source: 0000707549-18-000033 · wf-form4_151856465138908.xml · nonDerivative · entry 1

O'Dowd Sarah A · CIK 0001447149 · SVP, Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,701

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 · shares: On 2/11/15, the Reporting Person received a target grant of 8,064 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:45 UTC
Vahedi VahidGroup Vice President
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative 6,203 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0000707549-18-000035 · wf-form4_151856551816699.xml · derivative · entry 4

Vahedi Vahid · CIK 0001707826 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,203 shares

Expires not disclosed

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,203 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F3 · derivative.exercise_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.expiration_date: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

F3 · derivative.underlying_shares: These Market-based Performance Restricted Stock Units vest between 0% and 150% on 2/11/18. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:45 UTC
Vahedi VahidGroup Vice President
Tax withholdingCommon Stock 1,025 $165.87 $170,016.75
Disclosure

SEC source: 0000707549-18-000035 · wf-form4_151856551816699.xml · nonDerivative · entry 3

Vahedi Vahid · CIK 0001707826 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,537

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:45 UTC
Vahedi VahidGroup Vice President
Tax withholdingCommon Stock 3,732 $165.87 $619,026.84
Disclosure

SEC source: 0000707549-18-000035 · wf-form4_151856551816699.xml · nonDerivative · entry 2

Vahedi Vahid · CIK 0001707826 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,562

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
February 09, 2018 Filed Feb 13, 2018 23:45 UTC
Vahedi VahidGroup Vice President
Exercise / conversionCommon Stock 9,304 $165.87 $1,543,254.48
Disclosure

SEC source: 0000707549-18-000035 · wf-form4_151856551816699.xml · nonDerivative · entry 1

Vahedi Vahid · CIK 0001707826 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,294

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 · shares: On 2/11/15, the Reporting Person received a target grant of 6,203 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 2/11/18. The performance of this award was based on the Lam Research Total Shareholder Return performance relative to the Philadelphia Semiconductor Sector Index Total Shareholder Return during the performance period of 2/2/15 to 2/1/18. The performance payout was approved at 150% of target.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
January 23, 2018 Filed Jan 25, 2018 17:32 UTC
Varadarajan SeshasayeeGroup Vice President
SaleCommon Stock 25,453 $215.00 $5,472,395.00
Disclosure

SEC source: 0000707549-18-000012 · wf-form4_151690156430937.xml · nonDerivative · entry 1

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,400

F1 · shares: Shares sold pursuant to 10b5-1 Trading Plan.

F2 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 28, 2017 Filed Nov 29, 2017 21:04 UTC
Varadarajan SeshasayeeGroup Vice President
Exercise / conversionStock Option (right to buy) · Derivative 50 $0.00 Strike: $13.54 $0.00
Disclosure

SEC source: 0000707549-17-000172 · wf-form4_151198946325705.xml · derivative · entry 5

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 50 shares

Expires 2018-10-16

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.

Read SEC document
November 28, 2017 Filed Nov 29, 2017 21:04 UTC
Varadarajan SeshasayeeGroup Vice President
SaleCommon Stock 50 $214.01 $10,700.25
Disclosure

SEC source: 0000707549-17-000172 · wf-form4_151198946325705.xml · nonDerivative · entry 3

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,853

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 28, 2017 Filed Nov 29, 2017 21:04 UTC
Varadarajan SeshasayeeGroup Vice President
Exercise / conversionCommon Stock 50 $13.54 $677.00
Disclosure

SEC source: 0000707549-17-000172 · wf-form4_151198946325705.xml · nonDerivative · entry 2

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,903

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: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 28, 2017 Filed Nov 29, 2017 21:04 UTC
Varadarajan SeshasayeeGroup Vice President
GiftCommon Stock 592 $0.00 $0.00
Disclosure

SEC source: 0000707549-17-000172 · wf-form4_151198946325705.xml · nonDerivative · entry 1

Varadarajan Seshasayee · CIK 0001707827 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,853

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 27, 2017 Filed Nov 29, 2017 21:06 UTC
Anstice Martin BPresident and CEO
GiftCommon Stock 4,742 $0.00 $0.00
Disclosure

SEC source: 0000707549-17-000174 · wf-form4_151198958139539.xml · nonDerivative · entry 1

Anstice Martin B · CIK 0001293332 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,295

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 24, 2017 Filed Nov 27, 2017 18:10 UTC
LORD PATRICK JGroup Vice President
SaleCommon Stock 264 $216.08 $57,045.12
Disclosure

SEC source: 0000707549-17-000170 · wf-form4_151180621379769.xml · nonDerivative · entry 1

LORD PATRICK J · CIK 0001343531 · Group Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,242

F1 · balance_after: Amount reported includes shares subject to unvested Restricted Stock Units.

Read SEC document
November 20, 2017 Filed Nov 22, 2017 19:35 UTC
Anstice Martin BPresident and CEO
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 21,993 $51.76 Strike: $51.76 $1,138,357.68
Disclosure

SEC source: 0000707549-17-000168 · wf-form4_151137932040174.xml · derivative · entry 6

Anstice Martin B · CIK 0001293332 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 21,993 shares

Expires 2021-02-18

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.

F6 · derivative.exercise_date: On 2/18/2014, the reporting person was granted stock options with a graded vesting schedule in which one-third of the total grant vested on each of 2/18/2015, 2/18/2016 and 2/18/2017.

Read SEC document
November 20, 2017 Filed Nov 22, 2017 19:35 UTC
Anstice Martin BPresident and CEO
Disposition to issuerCommon Stock 12,759 $215.52 $2,749,819.68
Disclosure

SEC source: 0000707549-17-000168 · wf-form4_151137932040174.xml · nonDerivative · entry 5

Anstice Martin B · CIK 0001293332 · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,037

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 $215.16 to $216.09, inclusive.

F1 · balance_after: 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.