Main Street Capital CORP — Director's Dealing 2017

Apr 5, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Main Street Capital CORP (MAIN)
CIK: 0001396440
Period of Report: 2017-04-03

Reporting Person: FOSTER VINCENT D (Director, Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-03	Common Stock	F	14241	$38.40	Disposed	1486228.1184	Direct
2017-04-03	Common Stock	A	46383	$0.00	Acquired	1532611.1184	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	15028.2176	Indirect
Common Stock	30000	Indirect
Common Stock	30000	Indirect
Common Stock	30000	Indirect
Common Stock	50000	Indirect

Footnotes

F1: Shares withheld for payment of tax liability upon vesting of restricted shares granted under the Main Street Capital Corporation 2008 Equity Incentive Plan and/or 2015 Equity and Incentive Plan. This withholding transaction was approved by the Compensation Committee of Main Street's Board of Directors in accordance with Rule 16b-3(d)(1) of the Securities Exchange Act of 1934 (the "Act"), and as such, the sale is exempt from Section 16(b) of the Act pursuant to Rule 16b-3(e) promulgated thereunder.

F2: Shares issued under the Main Street Capital Corporation 2015 Equity and Incentive Plan.

F3: Family trust.

F4: Represents shares held in MS Trust IV, a charitable trust where Mr. Foster is a trustee and holds the remainder interest therein.