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FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
CALLAHAN MICHAEL JOHN

(Last)(First)(Middle)
C/O YAHOO! INC., 701 FIRST AVENUE

(Street)
SUNNYVALECA94089

(City)(State)(Zip)
2. Issuer Name and Ticker or Trading Symbol
YAHOO INC [YHOO]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
EVP & General Counsel
3. Date of Earliest Transaction (Month/Day/Year)
08/07/2009
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock 08/07/2009 S  20,000 D$ 14.63 256,253 D  

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Michael A. Murray, attorney-in-fact for Michael J. Callahan08/11/2009
** Signature of Reporting PersonDate
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 4(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.

POWER OF ATTORNEY 
Know all by these presents, that the undersigned 
hereby constitutes and appoints each of Timothy R. Morse
and Michael Murray, signing singly, his true and lawful 
attorney-in-fact to:
(1) Execute for and on behalf of the undersigned 
Forms 3, 4 and 5 with respect to securities of 
Yahoo! Inc., in accordance with Section 16(a) of the 
Securities Exchange Act of 1934, as amended and the 
rules thereunder (the "1934 Act");
(2) Perform any and all acts for and on behalf of 
the undersigned which may be necessary or desirable 
to complete the execution of any such Form 3, 4 or 5 
and the timely filing of such form with the United 
States Securities and Exchange Commission and any 
other authority, including the execution of an 
application for EDGAR codes on Form ID; and
(3) Take any other action of any type whatsoever in 
connection with the foregoing which, in the opinion 
of such attorney-in-fact, may be of benefit to or 
legally required by, the undersigned, it being 
understood that the documents executed by such 
attorney-in-fact on behalf of the undersigned 
pursuant to this Power of Attorney shall be in such 
form and shall contain such terms and conditions as 
such attorney-in-fact may approve in his discretion.
The undersigned hereby grants to each such attorney-
in-fact full power and authority to do and perform 
each and every act whatsoever requisite, necessary 
and proper to be done in the exercise of any of the 
rights and powers herein granted, as fully as such 
attorney-in-fact could do if personally present, 
with full power of substitution or revocation, 
hereby ratifying and confirming all that such 
attorney-in-fact, or his substitute, shall lawfully 
do or cause to be done by virtue of this Power of 
Attorney and the rights and powers herein granted. 
The undersigned acknowledges that the foregoing 
attorneys-in-fact, in serving in such capacity at 
the request of the undersigned, are not assuming any 
of the undersigned's responsibilities to comply with 
Section 16 of the 1934 Act.
This Power of Attorney shall be effective as of the 
date written below, and unless sooner revoked, shall 
terminate upon the fifth (5th) anniversary of the 
date written below.
IN WITNESS WHEREOF, the undersigned has caused this 
Power of Attorney to be executed as of July 9, 
2009.
Signature:      /s/ Michael J. Callahan
Print Name:    Michael J. Callahan


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