SEC Form 4
FORM 4 UNITED 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
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*
PFIZER INC

(Last) (First) (Middle)
235 EAST 42ND STREET

(Street)
NEW YORK NY 10017

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Mirna Therapeutics, Inc. [ MIRN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/05/2015
4. 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 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)
Code V Amount (A) or (D) Price
Common Stock 10/05/2015 C 1,539,224 A $0 (1) 1,539,224 D
Common Stock 10/06/2015 P 714,285 A $7 2,253,509 D
Common Stock 10/06/2015 J (2) 235,855 A $7 2,489,364 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 Security 3. 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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Series C Convertible Preferred Stock (1) 10/05/2015 C 1,047,806 (1) (1) Common Stock 1,047,806 (1) 0.0000 D
Series D Convertible Preferred Stock (1) 10/05/2015 C 491,418 (1) (1) Common Stock 491,418 (1) 0.0000 D
Explanation of Responses:
1. Each share of the issuer's Series C Convertible and Series D Convertible Preferred Stock converted into Common Stock of the issuer on a 1-to-1 basis immediately prior to the closing of the issuer's initial public offering, and has no expiration date.
2. The reporting person received 235,855 shares of Common Stock as a payment-in-kind dividend in connection with the conversion of the reporting person's Series C Convertible and Series D Convertible Preferred Stock into shares of Common Stock.
/s/ Susan Grant, Assistant Secretary on behalf of Pfizer Inc. 10/07/2015
** 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 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).
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