Main Street Capital Corporation filed an 8-K press release on October 27, 2026, announcing the pricing of an underwritten public offering of $500 million in aggregate principal amount of 6.55% notes due January 15, 2030.

Key Highlights

  • Offering size: $500 million in aggregate principal amount of notes priced on October 27, 2026.
  • Interest rate: Notes will bear interest at 6.55% per year, payable semiannually.
  • Maturity date: Notes mature on January 15, 2030.
  • Expected closing: The offering is expected to close on October 29, 2026, subject to customary closing conditions.
  • Redemption option: Notes may be redeemed in whole or in part at Main Street's option at any time at par plus a "make-whole" premium, if applicable.
  • Use of proceeds: Net proceeds will initially be used to repay outstanding indebtedness, including amounts under Main Street's corporate revolving credit facility and/or its special purpose vehicle revolving credit facility.
  • Joint book-runners: RBC Capital Markets, LLC, J.P. Morgan Securities LLC, SMBC Nikko Securities America, Inc., and Truist Securities, Inc. are acting as joint book-runners.

Main Street Capital's $500 Million Notes Offering: Terms and Intended Use

According to the filing, Main Street Capital Corporation (NYSE:MAIN) priced an underwritten public offering of $500 million in aggregate principal amount of 6.55% notes due 2030. The notes will bear interest at 6.55% per year, payable semiannually, and will mature on January 15, 2030. The offering is expected to close on October 29, 2026, subject to customary closing conditions. The notes may be redeemed in whole or in part at Main Street's option at any time at par plus a "make-whole" premium, if applicable.

The company disclosed that it intends to use the net proceeds from the offering to initially repay outstanding indebtedness, including amounts outstanding under its corporate revolving credit facility and/or its special purpose vehicle revolving credit facility. Following that repayment, the company stated it plans, through re-borrowing under the credit facilities, to make investments in accordance with its investment objective and strategies, to make investments in marketable securities and idle funds investments, to pay operating expenses and other cash obligations, and for general corporate purposes.

The filing identified RBC Capital Markets, LLC, J.P. Morgan Securities LLC, SMBC Nikko Securities America, Inc., and Truist Securities, Inc. as joint book-runners. Huntington Securities, Inc. is acting as a passive book-running manager. Several additional firms, including Raymond James & Associates, Inc., Academy Securities, Inc., and Zions Direct, Inc., among others, are acting as co-managers. The filing noted that a shelf registration statement relating to these securities is on file with the Securities and Exchange Commission and effective. The press release also contains forward-looking statements, which the company cautioned "cannot be guarantees or assurances of any aspect of future performance" and are subject to risks described in Main Street's regulatory filings.

What Was Disclosed

Main Street Capital Corporation announced the pricing of $500 million in 6.55% notes due January 15, 2030, with expected closing on October 29, 2026. Net proceeds are intended first to repay outstanding credit facility balances, then to fund investments and general corporate purposes.