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*
Cancer Prevention & Research Institute of Texas

(Last) (First) (Middle)
1701 N. CONGRESS AVENUE, SUITE 6-127

(Street)
AUSTIN TX 78701

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
10/05/2015
3. Issuer Name and Ticker or Trading Symbol
Mirna Therapeutics, Inc. [ MIRN ]
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)
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 2,395,010 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
Explanation of Responses:
Remarks:
Exhibit 24 - Confirming Statement of Cancer Prevention and Research Institute of Texas.
/s/ Wayne R. Roberts, Chief Executive Officer, on behalf of Cancer Prevention and Research Institute of Texas 10/08/2015
** 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.
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                              CONFIRMING STATEMENT

         This Statement confirms that the undersigned, Cancer Prevention and
Research Institute of Texas, has authorized and designated each of Wayne R.
Roberts and Heidi M. McConnell to execute and file on the undersigned's behalf
all Forms 3, 4, and 5 (including any amendments thereto) that the undersigned
may be required to file with the U.S. Securities and Exchange Commission as a
result of the undersigned's ownership of or transactions in securities of Mirna
Therapeutics, Inc. The authority of Wayne R. Roberts and Heidi M. McConnell
under this Statement shall continue until the undersigned is no longer required
to file Forms 3, 4, and 5 with regard to the undersigned's ownership of or
transactions in securities of Mirna Therapeutics, Inc., unless earlier revoked
in writing. The undersigned acknowledges that neither Wayne R. Roberts nor Heidi
M. McConnell is assuming any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.

Date:  October 7, 2015                  Cancer Prevention and Research Institute
                                        of Texas

                                        By:     /s/ Wayne R. Roberts
                                             -----------------------------------
                                        Name:   Wayne R. Roberts
                                        Title: Chief Executive Officer