Form Type: 4/A

SEC EDGAR Link
Accession Number:0001192381-15-000026
Date:2015-02-19
Issuer: LAM RESEARCH CORP (LRCX)
Original Submission Date:2015-02-23

Reporting Person:

BETTINGER DOUGLAS R
4650 CUSHING PARKWAY
FREMONT, CA 94538

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK 2015-02-19 S 1,540 d $81.67 41,225 direct
COMMON STOCK 2015-02-19 M 3,974 a $51.76 45,199 direct
COMMON STOCK 2015-02-19 S 3,974 d $81.67 41,225 direct
COMMON STOCK 2015-02-19 M 855 a $51.76 42,080 direct
COMMON STOCK 2015-02-19 M 8,205 a $42.41 50,285 direct
COMMON STOCK 2015-02-20 S 427 d $82.92 49,858 direct
COMMON STOCK 2015-02-20 S 4,102 d $82.92 45,756 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
EMPLOYEE STOCK OPTION (RIGHT TO BUY) 51.76 2015-02-19 deemed execution date M 3,974 (a) 2021-02-18 common stock 3,974 $51.76 35,263 direct
EMPLOYEE STOCK OPTION (RIGHT TO BUY) 51.76 2015-02-19 deemed execution date M 855 (a) 2021-02-18 common stock 855 $51.76 34,408 direct
EMPLOYEE STOCK OPTION (RIGHT TO BUY) 42.41 2015-02-19 deemed execution date M 8,205 (a) 2015-02-08 2020-03-11 common stock 8,205 $42.41 26,203 direct
Footnotes
IDfootnote
f1 amount reported includes shares subject to unvested restricted stock units.
f2 this form 4/a is being filed solely to correct clerical errors in the entries in column 5 of table i of mr. bettinger's form 4 filed on february 23, 2015.
f3 shares sold pursuant to 10b5-1 trading plan.
f4 33.3% of the stock options will vest on 2/18/15, 2/18/16, and 2/18/17.
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