SHARE-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2026

Share-Based Payment Arrangement [Abstract]

A summary of the restricted stock issuances approved by Main Street’s Board of Directors under the Equity and Incentive Plan, net of shares forfeited, if any, and the remaining shares of restricted stock available for issuance as of June 30, 2026, is as follows:


Restricted stock authorized under the plan			5,000,000
Less net restricted stock granted			(1,986,229)
Restricted stock available for issuance as of June 30, 2026			3,013,771

Main Street’s Board of Directors approves the issuance of shares of restricted stock to Main Street non-employee directors pursuant to the Main Street Capital Corporation 2022 Non-Employee Director Restricted Stock Plan. These shares are granted upon appointment or election of non-employee directors to the board and vest on the day immediately preceding the annual meeting of stockholders following the respective grant date and are expensed over such service period. A summary of the restricted stock issuances approved by Main Street’s Board of Directors under the 2022 Non-Employee Director Restricted Stock Plan, net of shares forfeited, if any, and the remaining shares of restricted stock available for issuance as of June 30, 2026, is as follows:


Restricted stock authorized under the plan			300,000
Less net restricted stock granted			(17,683)
Restricted stock available for issuance as of June 30, 2026			282,317

Schedule of Summarized Restricted Stock Awards

Summarized restricted stock award activity for the six months ended June 30, 2026 is as follows:


	Six Months Ended June 30, 2026
	Number		Weighted-Average Grant-Date Fair Value
Restricted Stock Awards:	of Shares		(per share)
Non-vested, December 31, 2025	995,208		$	50.15
Granted (1)	538,887		52.23
Vested (1)(2)	(441,404)		47.43
Forfeited	(24,792)		51.26
Non-vested, June 30, 2026	1,067,899		$	52.30
Aggregate intrinsic value as of June 30, 2026 (in thousands) (3)	$	55,403

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(1)Restricted shares generally vest over a three-year or five-year period from the grant date (as noted above).

(2)Vested shares included 169,445 shares withheld for payroll taxes paid on behalf of employees.

(3)Aggregate intrinsic value is the product of total non-vested restricted shares as of June 30, 2026 and $51.88 per share, the closing price of Main Street’s common stock on June 30, 2026.