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
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 3 |
| Dec 2025 | 0 | 2 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 2 |
| Mar 2026 | 0 | 4 |
| Apr 2026 | 0 | 1 |
| May 2026 | 0 | 1 |
| Jun 2026 | 0 | 44 |
| Jul 2026 | 0 | 2 |
| Aug 2026 | 0 | 2 |
| Sep 2026 | 0 | 5 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
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 date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| February 27, 2026 Filed Mar 2, 2026 23:10 UTC |
ARCHER TIMOTHYPresident and CEO
|
GrantCommon Stock | 51,053 | $0.00 | $0.00 |
DisclosureSEC source: 0001343600-26-000007 · wk-form4_1772493048.xml · nonDerivative · entry 1 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,247,912 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
GrantMarket-based Performance Restricted Stock Unit · Derivative | 18,820 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · derivative · entry 6 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,820 Underlying: Common Stock · 18,820 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Tax withholdingCommon Stock | 5,525 | $233.89 | $1,292,242.25 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · nonDerivative · entry 5 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,028,031 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Tax withholdingCommon Stock | 2,186 | $233.89 | $511,283.54 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · nonDerivative · entry 4 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,033,556 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Tax withholdingCommon Stock | 2,826 | $233.89 | $660,973.14 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · nonDerivative · entry 3 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,035,742 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Tax withholdingCommon Stock | 38,136 | $233.89 | $8,919,629.04 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · nonDerivative · entry 2 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,038,568 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 23:15 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
GrantCommon Stock | 12,547 | $0.00 | $0.00 |
DisclosureSEC source: 0001469469-26-000004 · wk-form4_1772493354.xml · nonDerivative · entry 1 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,076,704 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 23:12 UTC |
Harter AvaChief Legal Officer
|
GrantMarket-based Performance Restricted Stock Unit · Derivative | 8,685 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001642415-26-000002 · wk-form4_1772493168.xml · derivative · entry 4 Harter Ava · CIK 0001642415 · Chief Legal Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,685 Underlying: Common Stock · 8,685 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 23:12 UTC |
Harter AvaChief Legal Officer
|
Tax withholdingCommon Stock | 1,988 | $233.89 | $464,973.32 |
DisclosureSEC source: 0001642415-26-000002 · wk-form4_1772493168.xml · nonDerivative · entry 2 Harter Ava · CIK 0001642415 · Chief Legal Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 61,904.455 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 |
| February 27, 2026 Filed Mar 2, 2026 23:12 UTC |
Harter AvaChief Legal Officer
|
GrantCommon Stock | 7,106 | $0.00 | $0.00 |
DisclosureSEC source: 0001642415-26-000002 · wk-form4_1772493168.xml · nonDerivative · entry 1 Harter Ava · CIK 0001642415 · Chief Legal Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 63,892.455 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 23:13 UTC |
Vahedi VahidSenior Vice President
|
GrantMarket-based Performance Restricted Stock Unit · Derivative | 11,065 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · derivative · entry 6 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,065 Underlying: Common Stock · 11,065 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 23:13 UTC |
Vahedi VahidSenior Vice President
|
Tax withholdingCommon Stock | 1,923 | $233.89 | $449,770.47 |
DisclosureSEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · nonDerivative · entry 4 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 280,278 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 23:13 UTC |
Vahedi VahidSenior Vice President
|
Tax withholdingCommon Stock | 2,994 | $233.89 | $700,266.66 |
DisclosureSEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · nonDerivative · entry 3 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 282,201 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 23:13 UTC |
Vahedi VahidSenior Vice President
|
Tax withholdingCommon Stock | 24,675 | $233.89 | $5,771,235.75 |
DisclosureSEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · nonDerivative · entry 2 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 285,195 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 23:13 UTC |
Vahedi VahidSenior Vice President
|
GrantCommon Stock | 9,053 | $0.00 | $0.00 |
DisclosureSEC source: 0001707826-26-000004 · wk-form4_1772493215.xml · nonDerivative · entry 1 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 309,870 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
GrantMarket-based Performance Restricted Stock Unit · Derivative | 18,820 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · derivative · entry 7 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,820 Underlying: Common Stock · 18,820 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Tax withholdingCommon Stock | 5,047 | $233.89 | $1,180,442.83 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · nonDerivative · entry 5 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 225,198 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Tax withholdingCommon Stock | 2,572 | $233.89 | $601,565.08 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · nonDerivative · entry 4 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 230,245 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Tax withholdingCommon Stock | 3,168 | $233.89 | $740,963.52 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · nonDerivative · entry 3 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 232,817 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Tax withholdingCommon Stock | 26,126 | $233.89 | $6,110,610.14 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · nonDerivative · entry 2 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 235,985 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 23:14 UTC |
Varadarajan SeshasayeeSenior Vice President
|
GrantCommon Stock | 12,547 | $0.00 | $0.00 |
DisclosureSEC source: 0001707827-26-000004 · wk-form4_1772493253.xml · nonDerivative · entry 1 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 262,111 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
GrantMarket-based Performance Restricted Stock Unit · Derivative | 1,362 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · derivative · entry 8 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,362 Underlying: Common Stock · 1,362 shares Expires not disclosed F5 · 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. F5 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Tax withholdingCommon Stock | 1,421 | $233.89 | $332,357.69 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 7 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 57,168 F4 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Tax withholdingCommon Stock | 942 | $233.89 | $220,324.38 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 6 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 58,589 F4 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Tax withholdingCommon Stock | 11,963 | $233.89 | $2,798,026.07 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 5 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 59,531 F4 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Tax withholdingCommon Stock | 996 | $233.89 | $232,954.44 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 4 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 71,494 F4 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Tax withholdingCommon Stock | 4,306 | $233.89 | $1,007,130.34 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 3 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 72,490 F4 · 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
GrantCommon Stock | 12,979 | $0.00 | $0.00 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 2 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 76,796 F3 · shares: The restricted stock units will vest in three installments 25% on 02/27/2027, 25% on 02/27/2028, and 50% on 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 23:08 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
GrantCommon Stock | 3,180 | $0.00 | $0.00 |
DisclosureSEC source: 0001966626-26-000004 · wk-form4_1772492933.xml · nonDerivative · entry 1 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 63,817 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 24, 2026 Filed Feb 25, 2026 19:19 UTC |
ARCHER TIMOTHYPresident and CEO
|
GiftCommon Stock | 7,080 | $0.00 | $0.00 |
DisclosureSEC source: 0001343600-26-000005 · wk-form4_1772047178.xml · nonDerivative · entry 1 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,196,859 F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 06, 2026 Filed Feb 9, 2026 19:00 UTC |
BRANDT ERICDirector
|
SaleCommon Stock | 18,000 | $230.00 | $4,140,000.00 |
DisclosureSEC source: 0001190639-26-000002 · wk-form4_1770663608.xml · nonDerivative · entry 2 BRANDT ERIC · CIK 0001190639 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 253,705 F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 06, 2026 Filed Feb 9, 2026 19:00 UTC |
BRANDT ERICDirector
|
SaleCommon Stock | 17,000 | $220.95 | $3,756,150.00 |
DisclosureSEC source: 0001190639-26-000002 · wk-form4_1770663608.xml · nonDerivative · entry 1 BRANDT ERIC · CIK 0001190639 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 271,705 F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 06, 2026 Filed Feb 9, 2026 18:59 UTC |
DEVGAN ANIRUDHDirector
|
GrantCommon Stock | 1,141 | $0.00 | $0.00 |
DisclosureSEC source: 0001591933-26-000007 · wk-form4_1770663540.xml · nonDerivative · entry 1 DEVGAN ANIRUDH · CIK 0001591933 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,141 F1 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 04, 2026 Filed Feb 5, 2026 16:30 UTC |
ARCHER TIMOTHYPresident and CEO
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 181,020 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001343600-26-000003 · wk-form4_1770309005.xml · derivative · entry 4 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 181,020 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 04, 2026 Filed Feb 5, 2026 16:30 UTC |
ARCHER TIMOTHYPresident and CEO
|
Exercise / conversionCommon Stock | 271,530 | $0.00 | $0.00 |
DisclosureSEC source: 0001343600-26-000003 · wk-form4_1770309005.xml · nonDerivative · entry 1 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,203,939 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 03/01/2023, the Reporting Person received a grant of 181,020 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:33 UTC |
LORD PATRICK JExecutive Vice President
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 42,230 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001343531-26-000002 · wk-form4_1770309189.xml · derivative · entry 2 LORD PATRICK J · CIK 0001343531 · Executive Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 42,230 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:33 UTC |
LORD PATRICK JExecutive Vice President
|
Exercise / conversionCommon Stock | 63,345 | $0.00 | $0.00 |
DisclosureSEC source: 0001343531-26-000002 · wk-form4_1770309189.xml · nonDerivative · entry 1 LORD PATRICK J · CIK 0001343531 · Executive Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 138,803 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 03/01/2023, the Reporting Person received a grant of 42,230 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:35 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 51,280 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001469469-26-000002 · wk-form4_1770309302.xml · derivative · entry 2 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 51,280 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:35 UTC |
Bettinger Douglas RChief Financial Officer & EVP
|
Exercise / conversionCommon Stock | 76,920 | $0.00 | $0.00 |
DisclosureSEC source: 0001469469-26-000002 · wk-form4_1770309302.xml · nonDerivative · entry 1 Bettinger Douglas R · CIK 0001469469 · Chief Financial Officer & EVP 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 1,064,157 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 03/01/2023, the Reporting Person received a grant of 51,280 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:32 UTC |
Vahedi VahidSenior Vice President
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 33,180 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001707826-26-000002 · wk-form4_1770309158.xml · derivative · entry 2 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 33,180 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:32 UTC |
Vahedi VahidSenior Vice President
|
Exercise / conversionCommon Stock | 49,770 | $0.00 | $0.00 |
DisclosureSEC source: 0001707826-26-000002 · wk-form4_1770309158.xml · nonDerivative · entry 1 Vahedi Vahid · CIK 0001707826 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 300,817 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 03/01/2023, the Reporting Person received a grant of 33,180 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:32 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 35,950 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001707827-26-000002 · wk-form4_1770309118.xml · derivative · entry 3 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 35,950 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:32 UTC |
Varadarajan SeshasayeeSenior Vice President
|
Exercise / conversionCommon Stock | 53,925 | $0.00 | $0.00 |
DisclosureSEC source: 0001707827-26-000002 · wk-form4_1770309118.xml · nonDerivative · entry 1 Varadarajan Seshasayee · CIK 0001707827 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 249,564 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 03/01/2023, the Reporting Person received a grant of 35,950 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:33 UTC |
Fernandes Neil JSenior Vice President
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 14,380 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001966598-26-000002 · wk-form4_1770309228.xml · derivative · entry 3 Fernandes Neil J · CIK 0001966598 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 14,380 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance.relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance.relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:33 UTC |
Fernandes Neil JSenior Vice President
|
Exercise / conversionCommon Stock | 21,570 | $0.00 | $0.00 |
DisclosureSEC source: 0001966598-26-000002 · wk-form4_1770309228.xml · nonDerivative · entry 1 Fernandes Neil J · CIK 0001966598 · Senior Vice President 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 92,768 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 03/01/2023, the Reporting Person received a grant of 14,380 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:34 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Exercise / conversionMarket-based Performance Restricted Stock Unit · Derivative | 6,030 | $0.00 Strike: $0.00 | $0.00 |
DisclosureSEC source: 0001966626-26-000002 · wk-form4_1770309262.xml · derivative · entry 2 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 6,030 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. F3 · derivative.exercise_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. F3 · derivative.expiration_date: The Market-based performance restricted stock units will vest between 0% and 150% on 03/01/2026. The performance of this award is based on the Lam Research Total Shareholder Return performance relative to the PHLX Semiconductor Total Return Index Total Shareholder Return during the performance period of 02/01/2023 through 01/31/2026. Read SEC document |
| February 03, 2026 Filed Feb 5, 2026 16:34 UTC |
Correia ChristinaCVP , Chief Accounting Officer
|
Exercise / conversionCommon Stock | 9,045 | $0.00 | $0.00 |
DisclosureSEC source: 0001966626-26-000002 · wk-form4_1770309262.xml · nonDerivative · entry 1 Correia Christina · CIK 0001966626 · CVP , Chief Accounting Officer 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 60,637 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 03/01/2023, the Reporting Person received a grant of 6,030 Market-based Performance Restricted Stock Units vesting between 0% and 150% on 03/01/2026. The vesting of this award is based on the total return stock price performance of Lam Research shares (assuming reinvestment of dividends) relative to the market price performance of the PHLX Semiconductor Sector Total Return Index, comparing the 50-trading day trailing average closing price over the performance period from 02/01/2023 through 01/31/2026. F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 18, 2025 17:55 UTC |
ARCHER TIMOTHYPresident and CEO
|
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative | 113,300 | $0.00 Strike: $17.68 | $0.00 |
DisclosureSEC source: 0001343600-25-000006 · wk-form4_1766080554.xml · derivative · entry 6 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 0 Underlying: Common Stock · 113,300 shares Expires 2026-03-01 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. F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025 F3 · derivative.exercise_date: The stock options will become exercisable in three equal installments on 03/01/2020, 03/01/2021, and 03/01/2022. Read SEC document |
| December 17, 2025 Filed Dec 18, 2025 17:55 UTC |
ARCHER TIMOTHYPresident and CEO
|
SaleCommon Stock | 113,300 | $163.86 | $18,565,338.00 |
DisclosureSEC source: 0001343600-25-000006 · wk-form4_1766080554.xml · nonDerivative · entry 3 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 932,409 F1 · shares: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025 F2 · balance_after: The amount reported includes shares subject to unvested restricted stock units. Read SEC document |
| December 17, 2025 Filed Dec 18, 2025 17:55 UTC |
ARCHER TIMOTHYPresident and CEO
|
Exercise / conversionCommon Stock | 113,300 | $17.68 | $2,002,577.50 |
DisclosureSEC source: 0001343600-25-000006 · wk-form4_1766080554.xml · nonDerivative · entry 2 ARCHER TIMOTHY · CIK 0001343600 · President and CEO 10b5-1 filing: Plan reported Ownership: Direct Disclosed balance after: 1,045,709 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: This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025 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.