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ARSCOTT DAVID G

Disclosed activity across 1 company

Tapewire entity
13075
SEC CIK
0001228385

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
LAM RESEARCH CORPLRCX · Entity 1467DirectorJanuary 31, 2011February 02, 2011

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

LAM RESEARCH CORP

Report date January 31, 2011 · Filed February 02, 2011

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect63,933 Reported balance After 2011-01-31 transaction · row 1
1 source row

Row 1 · 2011-01-31 · Grant · Acquired 3,200 · Balance 63,933

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 31, 2011 Filed Feb 2, 2011 19:48 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantCommon Stock 3,200 $0.00 $0.00
Disclosure

SEC source: 0001228385-11-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,933

Read SEC document
November 05, 2010 Filed Nov 8, 2010 22:11 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 12,000 $14.73 Strike: $14.73 $176,812.80
Disclosure

SEC source: 0001228385-10-000003 · primary_doc.xml · derivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 12,000 shares

Expires 2010-12-15

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 05, 2010 Filed Nov 8, 2010 22:11 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 12,000 $47.85 $574,200.00
Disclosure

SEC source: 0001228385-10-000003 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,733

Read SEC document
November 05, 2010 Filed Nov 8, 2010 22:11 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 12,000 $14.73 $176,812.80
Disclosure

SEC source: 0001228385-10-000003 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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
February 01, 2010 Filed Feb 3, 2010 19:33 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantCommon Stock 4,750 $0.00 $0.00
Disclosure

SEC source: 0001228385-10-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,733

Read SEC document
December 08, 2009 Filed Aug 11, 2010 21:57 UTC LAM RESEARCH CORP LRCX · Entity 1467 GiftCommon Stock 5,000 $0.00 $0.00
Disclosure

SEC source: 0001228385-10-000002 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,733

Read SEC document
December 01, 2009 Filed Dec 2, 2009 22:55 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 24,000 $12.48 Strike: $12.48 $299,520.00
Disclosure

SEC source: 0001228385-09-000002 · primary_doc.xml · derivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,000

Underlying: Common Stock · 24,000 shares

Expires 2009-12-18

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.

Read SEC document
December 01, 2009 Filed Dec 2, 2009 22:55 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 24,000 $35.11 $842,640.00
Disclosure

SEC source: 0001228385-09-000002 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,983

Read SEC document
December 01, 2009 Filed Dec 2, 2009 22:55 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 24,000 $12.48 $299,520.00
Disclosure

SEC source: 0001228385-09-000002 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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
February 02, 2009 Filed Feb 4, 2009 00:28 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantCommon Stock 8,130 $0.00 $0.00
Disclosure

SEC source: 0001228385-09-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,983

Read SEC document
November 07, 2008 Filed Nov 12, 2008 18:39 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantStock Option (right to buy) · Derivative 24,000 Not disclosed Strike: $12.48 Not disclosed
Disclosure

SEC source: 0001228385-08-000002 · primary_doc.xml · derivative · entry 4

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,000

Underlying: Common Stock · 24,000 shares

Expires 2009-12-18

F3 · kind: The reporting person was granted an option, reflecting a measurement (grant) date of 12/18/02 and a stated exercise price of $10.89 per share, to purchase 24,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($12.48) on the correct measurement date.

F3 · price: The reporting person was granted an option, reflecting a measurement (grant) date of 12/18/02 and a stated exercise price of $10.89 per share, to purchase 24,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($12.48) on the correct measurement date.

F2 · derivative.exercise_date: This option is fully vested and exercisable.

Read SEC document
November 07, 2008 Filed Nov 12, 2008 18:39 UTC LAM RESEARCH CORP LRCX · Entity 1467 Disposition to issuerStock Option (right to buy) · Derivative 24,000 Not disclosed Strike: $10.89 Not disclosed
Disclosure

SEC source: 0001228385-08-000002 · primary_doc.xml · derivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,000 shares

Expires 2009-12-18

F3 · kind: The reporting person was granted an option, reflecting a measurement (grant) date of 12/18/02 and a stated exercise price of $10.89 per share, to purchase 24,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($12.48) on the correct measurement date.

F3 · price: The reporting person was granted an option, reflecting a measurement (grant) date of 12/18/02 and a stated exercise price of $10.89 per share, to purchase 24,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($12.48) on the correct measurement date.

F2 · derivative.exercise_date: This option is fully vested and exercisable.

Read SEC document
November 07, 2008 Filed Nov 12, 2008 18:39 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantStock Option (right to buy) · Derivative 12,000 Not disclosed Strike: $24.69 Not disclosed
Disclosure

SEC source: 0001228385-08-000002 · primary_doc.xml · derivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,000 shares

Expires 2011-12-14

F1 · kind: The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/01 and a stated exercise price of $23.59 per share, to purchase 12,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($24.69) on the correct measurement date.

F1 · price: The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/01 and a stated exercise price of $23.59 per share, to purchase 12,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($24.69) on the correct measurement date.

F2 · derivative.exercise_date: This option is fully vested and exercisable.

Read SEC document
November 07, 2008 Filed Nov 12, 2008 18:39 UTC LAM RESEARCH CORP LRCX · Entity 1467 Disposition to issuerStock Option (right to buy) · Derivative 12,000 Not disclosed Strike: $23.59 Not disclosed
Disclosure

SEC source: 0001228385-08-000002 · primary_doc.xml · derivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,000 shares

Expires 2011-12-14

F1 · kind: The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/01 and a stated exercise price of $23.59 per share, to purchase 12,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($24.69) on the correct measurement date.

F1 · price: The reporting person was granted an option, reflecting a measurement (grant) date of 12/14/01 and a stated exercise price of $23.59 per share, to purchase 12,000 shares of the Issuer's Common Stock. The stated exercise price was less than the closing price of the Company's common stock on the appropriate measurement date determined by a special committee of the Company's Board of Directors and the Company for financial accounting purposes. The Company and the reporting person have entered into a Reformation of Stock Option Agreement to correct the exercise price to the appropriate fair market value per share ($24.69) on the correct measurement date.

F2 · derivative.exercise_date: This option is fully vested and exercisable.

Read SEC document
May 02, 2008 Filed May 5, 2008 23:37 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantCommon Stock 4,678 $0.00 $0.00
Disclosure

SEC source: 0001228385-08-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,853

Read SEC document
February 15, 2007 Filed Feb 20, 2007 21:42 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantCommon Stock 4,440 $0.00 $0.00
Disclosure

SEC source: 0001228385-07-000002 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,175

Read SEC document
January 31, 2007 Filed Feb 2, 2007 21:27 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionRestricted Stock Units · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0001228385-07-000001 · primary_doc.xml · derivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 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 · derivative.exercise_price: Each restricted stock unit represented a contingent right to receive one share of LRCX common stock.

F2 · derivative.expiration_date: Vested shares will be delivered to the reporting person as soon as practicable following the vesting date, but in any event, within the period ending on the later to occur of the date that is 2-1/2 months from the end of (i) the reporting person's tax year that includes the vesting date, or (ii) Lam Research Corporation's tax year that includes the vesting date.

Read SEC document
January 31, 2007 Filed Feb 2, 2007 21:27 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionCommon Stock 5,000 Not disclosed Not disclosed
Disclosure

SEC source: 0001228385-07-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,735

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 · price: Each restricted stock unit represented a contingent right to receive one share of LRCX common stock.

Read SEC document
November 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $28.04 Strike: $28.04 $504,750.60
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · derivative · entry 7

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,000

Underlying: Common Stock · 18,000 shares

Expires 2009-12-14

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 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $6.00 Strike: $6.00 $108,000.00
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · derivative · entry 6

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,000 shares

Expires 2008-12-15

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 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $9.96 Strike: $9.96 $179,249.40
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · derivative · entry 5

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,000 shares

Expires 2008-01-05

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

Read SEC document
November 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 54,000 $55.26 $2,984,110.20
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · nonDerivative · entry 4

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,735

Read SEC document
November 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $28.04 $504,750.60
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · nonDerivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $6.00 $108,000.00
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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 21, 2006 Filed Nov 21, 2006 23:05 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $9.96 $179,249.40
Disclosure

SEC source: 0001228385-06-000003 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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
May 19, 2006 Filed May 23, 2006 23:42 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 1,500 $47.56 $71,346.00
Disclosure

SEC source: 0001228385-06-000002 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Trust

Disclosed balance after: 0

F1 · ownership.nature: Shares sold from UTMA: Martha Arscott, custodian.

Read SEC document
May 19, 2006 Filed May 23, 2006 23:42 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 7,682 $47.23 $362,817.02
Disclosure

SEC source: 0001228385-06-000002 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,235

Read SEC document
January 31, 2006 Filed Feb 2, 2006 23:27 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantRestricted Stock Units · Derivative 5,000 $0.00 $0.00
Disclosure

SEC source: 0001228385-06-000001 · primary_doc.xml · derivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of LRCX common stock.

F2 · derivative.expiration_date: Vested shares will be delivered to the reporting person as soon as practicable following the vesting date, but in any event, within the period ending on the later to occur of the date that is 2-1/2 months from the end of (i) the reporting person's tax year that includes the vesting date, or (ii) Lam Research Corporation's tax year that includes the vesting date.

Read SEC document
December 06, 2005 Filed Dec 8, 2005 22:00 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $9.23 Strike: $9.23 $166,125.60
Disclosure

SEC source: 0001228385-05-000001 · primary_doc.xml · derivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,000

Underlying: Common Stock · 18,000 shares

Expires 2007-01-02

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

Read SEC document
December 06, 2005 Filed Dec 8, 2005 22:00 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 18,000 $38.41 $691,432.20
Disclosure

SEC source: 0001228385-05-000001 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,917

Read SEC document
December 06, 2005 Filed Dec 8, 2005 22:00 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $9.23 $166,125.60
Disclosure

SEC source: 0001228385-05-000001 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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
December 17, 2004 Filed Dec 20, 2004 20:21 UTC LAM RESEARCH CORP LRCX · Entity 1467 GrantStock Option (right to buy) · Derivative 15,000 $29.06 Strike: $29.06 $435,900.00
Disclosure

SEC source: 0001228385-04-000004 · primary_doc.xml · derivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,000

Underlying: Common Stock · 15,000 shares

Expires 2014-12-17

F1 · derivative.exercise_date: Option is 100% vested upon grant.

Read SEC document
December 07, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $15.00 Strike: $15.00 $270,000.00
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · derivative · entry 6

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

Underlying: Common Stock · 18,000 shares

Expires 2006-01-02

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

Read SEC document
December 07, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 18,000 $28.63 $515,383.20
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · nonDerivative · entry 4

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,917

Read SEC document
December 07, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $15.00 $270,000.00
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · nonDerivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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 08, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (right to buy) · Derivative 18,000 $12.21 Strike: $12.21 $219,749.40
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · derivative · entry 5

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 18,000 shares

Expires 2005-01-03

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 08, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 18,000 $25.94 $466,941.60
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Read SEC document
November 08, 2004 Filed Dec 10, 2004 00:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $12.21 $219,749.40
Disclosure

SEC source: 0001228385-04-000003 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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
December 12, 2003 Filed Dec 15, 2003 21:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 Exercise / conversionStock Option (Right to Buy) · Derivative 18,000 $10.46 Strike: $10.46 $188,280.00
Disclosure

SEC source: 0001228385-03-000004 · primary_doc.xml · derivative · entry 4

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,000

Underlying: Common Stock · 18,000 shares

Expires 2004-01-04

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
December 12, 2003 Filed Dec 15, 2003 21:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 GiftCommon Stock 4,500 $32.36 $145,620.00
Disclosure

SEC source: 0001228385-03-000004 · primary_doc.xml · nonDerivative · entry 3

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,917

Read SEC document
December 12, 2003 Filed Dec 15, 2003 21:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 18,000 $31.67 $570,060.00
Disclosure

SEC source: 0001228385-03-000004 · primary_doc.xml · nonDerivative · entry 2

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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December 12, 2003 Filed Dec 15, 2003 21:59 UTC LAM RESEARCH CORP LRCX · Entity 1467 ConversionCommon Stock 18,000 $10.46 $188,280.00
Disclosure

SEC source: 0001228385-03-000004 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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.

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July 30, 2003 Filed Jul 30, 2003 20:49 UTC LAM RESEARCH CORP LRCX · Entity 1467 SaleCommon Stock 50,000 $22.64 $1,132,000.00
Disclosure

SEC source: 0001228385-03-000003 · primary_doc.xml · nonDerivative · entry 1

ARSCOTT DAVID G · CIK 0001228385 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,417

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