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 * SEAVEY THOMAS L   2. Issuer Name and Ticker or Trading Symbol HENNESSY ADVISORS INC [HNNA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 7250 REDWOOD BLVD., SUITE 200 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2013 (Street) NOVATO, CA 94945 4. If Amendment, Date Original Filed(Month/Day/Year) 03/22/2013 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 Stock 03/19/2013 03/20/2013 M(1)   400 (1) A $ 3.55 25,525 (1) D   Common Stock 03/19/2013 03/20/2013 S   400 D $ 7.5 25,125 D   Common Stock 03/22/2013   M(2)   768 (2) A $ 3.55 25,893 (2) D   Common Stock 03/22/2013   S   768 (3) D $ 7.0547 (4) 25,125 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

Stock Option (right to acquire)

$ 3.55

03/19/2013

03/20/2013

M(1)

400 (1)

08/06/2003

08/06/2013

Common Stock

400

$ 0

29,350 (1)

D

Stock Option (right to acquire)

$ 3.55

03/22/2013

M(2)

768 (2)

08/06/2003

08/06/2013

Common Stock

768

$ 0

28,582 (2)

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SEAVEY THOMAS L 7250 REDWOOD BLVD., SUITE 200 NOVATO, CA 94945	X

Signatures

/s/ Peter D. Fetzer, Attorney-in-Fact for Thomas L. Seavey		03/22/2013
**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)	The Form 4 filed on March 22, 2013 reported that the entire stock option was exercised. On March 19, 2013, the reporting person actually exercised 400 shares.
(2)	The Form 4 filed on March 22, 2013 reported that the entire stock option was exercised. On March 22, 2013, the reporting person actually exercised 768 shares.
(3)	The Form 4 filed on March 22, 2013 reported that 500 shares were sold in this transaction. The reporting person actually sold 768 shares in this transaction.
(4)	The Form 4 filed on March 22, 2013 reported the sale price of $7.00 per share in this transaction. The sale price was actually $7.0547 per share in this transaction. This price is a weighted average price. The prices actually received ranged from $7.00 to $7.25. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price.

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