FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person * Yano James A   2. Issuer Name and Ticker or Trading Symbol State Auto Financial CORP [STFC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Senior Vice President (Last) (First) (Middle) 518 E. BROAD STREET 3. Date of Earliest Transaction (Month/Day/Year) 03/05/2015 (Street) COLUMBUS, OH 43215 4. If Amendment, Date 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 (City) (State) (Zip) 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 shares without par value 03/05/2015   A   1,602 A $ 0 14,333.243 (1) D

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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 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)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy) NQ

$ 22.72

03/05/2015

A

6,765

03/05/2016(2)

03/04/2025

Common Shares

6,765

$ 0 (3)

6,765

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Yano James A 518 E. BROAD STREET COLUMBUS, OH 43215			Senior Vice President

Signatures

/s/ James A. Yano		03/09/2015
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes the following acquisitions: A Restricted Stock Grant of 1,602 shares was issued on 3/5/15 which has a 3 year cliff vest based on service only; Includes indirect holdings by spouse of 2,318.430 shares which includes 42.060 shares acquired as dividend reinvestment. The reporting person disclaims beneficial ownership of shares held by spouse. Also includes the following acquistitions: 31.445 shares acquired in March 2014, 30.193 shares acquired in June 2014, 34.977 shares acquired in Sept 2014 and 31.649 shares acquired in Dec 2014 as dividend reinvestment; 393..692 shares acquired in June 2014 and 348.279 shares aquired in Dec 2014 under the STFC Employee Stock Purchase Plan; 3.216 shares acquired in March 2014, 3.422 shares acquired in Sept 2014 and 3.228 shares acquired in Dec 2014 through the State Auto Financial 401(k) plan; 15.174 shares acquired in Sept 2014, 8.327 shares acquired in Dec 2014 and 7.739 shares acquired in January 2015 as Restricted dividends.
(2)	The options vest in three equal installments beginning on March 5, 2016.
(3)	Field should be left blank, but due to a software defect, requires input.

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