UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

~~Washington~~ WASHINGTON, ~~D.C.~~DC 20549

FORM 8-K

CURRENT REPORT ~~PURSUANT~~

TO Pursuant ~~SECTION~~to Section 13 ORor 15(Dd) OFof ~~THE~~the Securities Exchange Act of 1934

~~SECURITIES~~ Date ~~EXCHANGE~~of ~~ACT~~report OF(Date ~~1934~~of earliest event reported): January 26, 2018

Date of Report (date of earliest event reported): January 3, 2018

MainSource Financial Group, Inc.

(Exact name of registrant as specified in its charter)

Indiana		0-12422		35-1562245
State or Other Jurisdiction of Incorporation or Organization		Commission File No.		I.R.S. Employer Identification Number

Indiana
(State or other jurisdiction of
incorporation)

0-12422
(Commission File Number)

35-1562245
(IRS Employer Identification
No.)

2105 ~~North~~N. State Road 3 Bypass

Greensburg, Indiana 47240

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (812) 663-~~0157~~6734

(Registrant’s Telephone Number,

Including Area Code)

N/A

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below):

o ☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR ~~240~~230.425)

o ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in ~~as defined in~~ Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o 

~~Item~~ If ~~8.01~~an ~~Other~~emerging ~~Events~~growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On Item ~~January 3, 2018, MainSource Financial Group, Inc~~2.02.Results ~~(the~~of ~~“Company”),~~Operations ~~issued a press release announcing that it had raised its minimum hourly wage for all non-exempt, non-commissioned employees~~ and ~~new~~Financial ~~hires to $15~~Condition.~~00 per hour effective immediately. The press release is attached to this report as Exhibit 99.1.~~

~~Item~~ On ~~9.01.~~January 26, 2018, MainSource Financial ~~Statements~~Group, Inc. (the “Company”), issued a press release announcing certain financial results for the quarter and ~~Exhibits~~year ended ended December 31, 2017. The press release is attached to this report as Exhibit 99.1.

~~(d) Exhibits~~ The information included in the press release is considered to be “filed” under the Securities Exchange Act of 1934.

~~99.1 Press~~ Item ~~Release of MainSource~~ 9.01.Financial ~~Group, Inc.~~Statements ~~dated~~and ~~January 3, 2018~~Exhibits.

~~* * *~~ (d) Exhibits.

2 99.1Press Release of MainSource Financial Group, Inc. dated January 26, 2018.

~~EXHIBIT INDEX~~ * * *

Exhibit Number		Description
99.1		Press Release of MainSource Financial Group, Inc. dated January 3, 2018.

3 EXHIBIT INDEX

SIGNATURE

6
Exhibit Number		Description

99.1		Press Release of MainSource Financial Group, Inc. dated January 26, 2018

~~Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.~~ 3

~~Date: January 3, 2018~~ SIGNATURE

~~MAINSOURCE~~ Pursuant ~~FINANCIAL~~to ~~GROUP,~~the ~~INC.~~requirements ~~By:~~of ~~/s/~~the ~~Archie~~Securities M.Exchange ~~Brown~~Act of 1934, ~~Jr.~~the ~~Archie~~Registrant M.has ~~Brown,~~duly ~~Jr.~~caused ~~President~~this ~~and~~report ~~Chief~~to ~~Executive~~be ~~Officer~~signed on its behalf by the undersigned hereunto duly authorized.

4 Date: January 26, 2018.


	MAINSOURCE FINANCIAL GROUP, INC.

	By:	/s/ Archie M. Brown, Jr.
		Archie M. Brown, Jr.
		President and Chief Executive Officer

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