Every 424B that Main Street Capital Corporation (MAIN) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 424B covers the supplement that carries the terms of a priced offering, so if you follow MAIN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full MAIN filings page.
Main Street Capital Corporation is offering direct unsecured senior notes under a preliminary prospectus supplement subject to completion. The notes would rank pari passu with existing general unsecured and senior unsecured debt, senior to future debt expressly subordinated to them, effectively subordinated to secured debt to the value of collateral, and structurally subordinated to subsidiary liabilities. Holders may require repurchase at 100% of principal plus accrued and unpaid interest after a Change of Control Repurchase Event. Main Street intends initially to use net proceeds to repay outstanding indebtedness, including Credit Facilities; through re-borrowing, it also intends to fund investments, operating expenses, other cash obligations and general corporate purposes.
Main Street's preliminary third-quarter 2026 estimates include NII of $0.87-$0.91 per share, distributable net investment income of $0.94-$0.98 per share and distributable net investment income before taxes of $0.96-$1.00 per share. Estimated NAV was $34.18-$34.26 per share as of September 30, 2026, an increase of $0.26-$0.34 per share from $33.92 per share as of June 30, 2026, after the impact of a $0.30-per-share supplemental dividend paid in September 2026. Management also estimated annualized return on equity above 14%. These estimates are subject to quarter-end closing and review, are unaudited, and actual results may differ materially.
Main Street Capital Corporation is updating its existing at-the-market equity offering of up to 20,000,000 shares of common stock under its ATM Program. The shares may be sold from time to time through designated sales agents or directly to them as principal.
The company has entered into new equity distribution agreements with Academy Securities, Inc. and SMBC Nikko Securities America, Inc., adding them as additional sales agents, and has terminated its prior agreement with B. Riley Securities, Inc. Affiliates of several sales agents, including RBC Capital Markets, Truist Securities, Raymond James & Associates, Huntington Securities, Academy and SMBC Nikko, act as lenders or agents under the company’s Corporate Facility and SPV Facility, and a portion of net proceeds from ATM sales may be used to repay debt owed under these facilities. As a result, these firms or their affiliates may receive more than 5% of the net proceeds, excluding selling compensation. The company reiterates that investing in its common stock involves a high degree of risk.
Main Street Capital Corporation is offering $200,000,000 of additional 6.95% Notes due 2029 as a further issuance of its existing 2029 notes, which will result in $550,000,000 aggregate outstanding principal. The Notes pay interest semiannually, are unsecured senior obligations, are fungible with the existing series, and were priced at 102.061% (yield to worst 6.146%). Net proceeds (approximately $202.8 million) are expected to be used initially to repay amounts outstanding under its credit facilities and then for investments, marketable securities, operating expenses and general corporate purposes.
Main Street Capital Corporation is offering additional 6.95% Notes due March 1, 2029 that will be treated as a single series with the $350,000,000 aggregate principal amount of 6.95% notes issued on January 12, 2024. The Notes pay interest semiannually on March 1 and September 1, beginning September 1, 2026, and will be issued in minimum denominations of $2,000.
The Notes are unsecured, rank pari passu with existing unsecured senior debt and are effectively subordinated to secured borrowings and structurally subordinated to subsidiary indebtedness. Holders have a put right on a Change of Control Repurchase Event at 100% of principal plus accrued interest. Net proceeds are intended initially to repay amounts under the Corporate Facility and SPV Facility and thereafter to support new investments and general corporate purposes.