Every material Form 8-K Main Street Capital CORP has filed with the SEC since October 29, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Main Street Capital reported third quarter 2026 results in a press release furnished as Exhibit 99.1 to a Form 8-K. Total investment income rose 2% to $142.5 million, but net investment income fell 3% to $83.8 million ($0.89 per share, down from $0.97), and net assets from operations declined 5%, which shareholders should weigh against the $34.22 per share net asset value, up from $33.92 at June 30, 2026.
Net investment income was $83.8 million, or $0.89 per share, versus $86.5 million, or $0.97 per share, in the third quarter of 2025.
Total investment income was $142.5 million, up 2% from $139.8 million a year earlier.
Net asset value was $34.22 per share at September 30, 2026, up from $33.92 at June 30, 2026, and the company declared a $0.30 per share supplemental dividend payable in December 2026.
Main Street Capital declared regular monthly dividends of $0.27 per share for January, February and March 2027, totaling $0.81 per share for the quarter. The monthly amount is a 1.9% increase from the fourth quarter of 2026 and 3.8% above the first quarter of 2026. The company also declared a $0.30 per share supplemental dividend payable December 28, 2026, which is drawn from undistributed taxable income as of September 30, 2026.
Regular monthly dividend of $0.27 per share for January, February and March 2027, payable January 15, February 12 and March 15, 2027
Monthly dividend is up 1.9% from the fourth quarter of 2026 and 3.8% from the first quarter of 2026
Supplemental dividend of $0.30 per share, with a December 18, 2026 record date and December 28, 2026 payment date
Company says these declarations total $1.11 per share, an annualized current yield of 7.9% based on the November 2, 2026 closing price of $56.30
Main Street Capital Corporation closed a $500.0 million offering of 6.55% unsecured notes due January 15, 2030, on October 29, 2026, with net proceeds of approximately $493.0 million. The company plans to use the proceeds initially to repay outstanding indebtedness, including amounts under its credit facilities.
Principal amount of $500.0 million; net proceeds approximately $493.0 million after underwriting discounts and estimated expenses
Notes bear 6.55% annual interest, payable semiannually on January 15 and July 15, starting July 15, 2027
Notes mature January 15, 2030; company may redeem before December 15, 2029 at a make-whole price, and at 100% of principal afterward
Underwriter is RBC Capital Markets, LLC; trustee is The Bank of New York Mellon Trust Company, N.A.
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