SEC FORM 3 SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
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1. Name and Address of Reporting Person*
COHEN AVI

(Last) (First) (Middle)
C/O KLA-TENCOR CORPORATION
160 RIO ROBLES

(Street)
SAN JOSE CA 95130

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
11/05/2003
3. Issuer Name and Ticker or Trading Symbol
KLA TENCOR CORP [ KLAC ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
VP, Pattern Solutions Group
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 1,145 D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) 08/31/1999 08/31/2008 Common Stock 47,313 10.63 D
Non-Qualified Stock Option (right to buy) 04/30/1998 04/30/2007 Common Stock 7,500 22.25 D
Non-Qualified Stock Option (right to buy) 11/10/2001 11/10/2010 Common Stock 8,750 26.25 D
Non-Qualified Stock Option (right to buy) 10/02/2002 10/02/2011 Common Stock 22,500 29.31 D
Non-Qualified Stock Option (right to buy) 04/04/2002 04/04/2011 Common Stock 8,750 32.75 D
Non-Qualified Stock Option (right to buy) 10/27/2000 10/27/2009 Common Stock 24,000 33.75 D
Non-Qualified Stock Option (right to buy) 11/08/2003 01/28/2013 Common Stock 12,500 34.67 D
Non-Qualified Stock Option (right to buy) 11/08/2003 11/08/2012 Common Stock 6,250 37.05 D
Non-Qualified Stock Option (right to buy) 08/13/2000 08/13/2010 Common Stock 17,500 44.6875 D
Non-Qualified Stock Option (right to buy) 11/08/2003 07/30/2013 Common Stock 6,250 51.229 D
Non-Qualified Stock Option (right to buy) 10/27/2004 10/27/2013 Common Stock 16,000 53.86 D
Explanation of Responses:
By: Stuart J. Nichols For: Avi Cohen 11/14/2003
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.