SEC FORM 3/A

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^*

HARRISON CHRIS M

(Last)

(First)

(Middle)

2105 NORTH STATED ROAD 3 BYPASS

(Street)

GREENSBURG

47240

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/20/2012

3. Issuer Name and Ticker or Trading Symbol
MAINSOURCE FINANCIAL GROUP [ MSFG ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Sr. VP Branch Administration,	subsidiary, MainSource Bank

5. If Amendment, Date of Original Filed (Month/Day/Year)
04/27/2011

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	2,437⁽¹⁾	I	By 401-k

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Option (right to Buy)	12/31/2007⁽²⁾	02/19/2017	Common Stock	2,000	$17.01	D
Stock Option (Right to Buiy)	12/31/2009⁽³⁾	02/22/2019	Common Stock	8,167	$5.4	D

Explanation of Responses:

1. Between January 1, 2011 and December 31, 2011, the reporting person acquired 459 shares of MainSource common stock under the MainSource 401(k) plan. The information in this report is based on a plan statement dated as of December 31, 2011.

2. Option was 10% vested on 12/31/2007; was 30% vested on 12/31/2008; 60% vested on 12/31/2009; and 100% vested on 12/31/2010.

3. Option was 10% vested on 12/31/2009; was 30% vested on 12/31/2010; 60% vested on 12/31/2011; and will be 100% vested on 12/31/2012, provided that the option will not be exercisable as long as the U.S. Treasury holds shares of Series A Preferred stock of the issuing company.

Remarks:

As authorized by Power of Attorney

	Chris M. Harrison	03/20/2012
	** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.