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*
AUSTIN JOSIAH T

(Last) (First) (Middle)
4763 CHRISTOPHER PLACE

(Street)
DALLAS TX 75204

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
12/03/2012
3. Issuer Name and Ticker or Trading Symbol
MEI Pharma, Inc. [ MEIP ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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, par value $0.00000002 per share 3,832,081 I As Managing Member of El Coronado Holdings, LLC
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
Warrants to purchase shares of common stock 05/11/2012 05/10/2017 Common Stock, par value $0.00000002 per share 134,832 $1.19 I As Managing Member of El Coronado Holdings, LLC
1. Name and Address of Reporting Person*
AUSTIN JOSIAH T

(Last) (First) (Middle)
4763 CHRISTOPHER PLACE

(Street)
DALLAS TX 75204

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
El Coronado Holdings, LLC

(Last) (First) (Middle)
4763 CHRISTOPHER PLACE

(Street)
DALLAS TX 75204

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
Remarks:
This report is filed jointly on behalf of Mr. Austin and El Coronado Holdings, LLC ("ECH"), an Arizona limited liability company of which Mr. Austin is the sole managing member. The address of ECH is 4673 Christopher Place, Dallas TX 75204. ECH owns directly all of the 3,832,801 shares of common stock identified in Table I and all of the warrants identified in Table II.
/s/ Josiah T. Austin, Individually and as Managing Member of El Coronado Holdings, LLC 12/05/2012
** 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).
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