Welcome to our dedicated page for Main Str Cap SEC filings (Ticker: MAIN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Main Street Capital Corporation (NYSE: MAIN) SEC filings page provides access to the company’s official U.S. Securities and Exchange Commission disclosures, including current reports on Form 8‑K and other registered offerings. These documents explain how Main Street reports its investment results, capital structure changes and material corporate events as a principal investment firm focused on lower middle market and private loan investments.
Form 8‑K current reports are a central source for Main Street’s updates on preliminary financial results, quarterly and annual performance, and significant financing transactions. Recent 8‑K filings have described preliminary estimates of net investment income (NII), distributable net investment income (DNII), net asset value (NAV) per share and return on equity, as well as the entry into underwriting agreements for unsecured notes, redemptions of existing notes and changes to its at‑the‑market equity distribution agreements.
Investors reviewing Main Street’s filings can see how the company structures its notes offerings and credit arrangements, including maturity dates, interest rates, redemption provisions and key covenants tied to asset coverage requirements under the Investment Company Act of 1940. Filings also reference the use of proceeds from offerings, such as repayment of outstanding indebtedness under credit facilities.
As a Regulated Investment Company and a principal investment firm, Main Street’s SEC reports complement its press releases by providing formal, standardized disclosure. On this page, AI-powered tools can help summarize lengthy filings, highlight key terms in 8‑K disclosures, and surface important information about Main Street’s investment performance metrics, leverage, equity issuance programs and note offerings without requiring users to read every line of each document.
Use this filings feed to monitor new Main Street 8‑K submissions and related SEC documents as they are posted to EDGAR, and to quickly understand the implications of each filing through AI-generated overviews and extracted highlights.
Main Street Capital (MAIN) reported insider activity on a Form 4. The company’s VP, CAO & Assistant Treasurer acquired common stock through a dividend reinvestment plan on 10/15/2025, a transaction type exempt under Rule 16a-11.
The filing lists two dividend reinvestment credits at a per‑share price of $58.38: 29.158 shares acquired, bringing beneficial ownership to 12,871.1714 shares (direct), and 23.419 shares acquired, bringing beneficial ownership to 12,894.5904 shares (direct).
Main Street Capital (MAIN) reported an insider transaction on Form 4. A director acquired 82.765 shares of common stock on 10/15/2025 at $58.13 per share through a dividend reinvestment plan, a transaction noted as exempt under Rule 16a-11.
Following this transaction, the director directly beneficially owned 24,352.0093 shares. This filing reflects routine share accumulation via automatic dividend reinvestment rather than an open-market purchase.
Main Street Capital (MAIN) insider filing: A director reported acquiring 167.965 shares of common stock on 10/15/2025 under a dividend reinvestment plan, coded “J”. The shares were acquired at $58.13 per share pursuant to a dividend reinvestment transaction exempt from Section 16 under Rule 16a-11.
Following the transaction, the reporting person beneficially owns 49,339.1577 shares, held directly.
Main Street Capital (MAIN) reported an insider Form 4 for its CEO and Director, reflecting routine dividend reinvestment plan activity. On 10/15/2025, the reporting person acquired 373.047 shares of common stock at $58.38 through a dividend reinvestment transaction exempt under Rule 16a-11. Following this, the insider beneficially owned 450,771.2666 shares, held directly.
Main Street Capital (MAIN) reported an insider transaction on a Form 4. The company’s EVP, General Counsel, and Secretary acquired 102.894 shares of common stock on 10/15/2025 at a price of $58.38 per share. The filing states the shares were obtained through a dividend reinvestment plan, a routine mechanism that automatically uses cash dividends to buy additional stock.
Following this transaction, the officer beneficially owned 181,517.5669 shares, held directly. This type of reinvestment is administrative in nature and does not involve open-market purchasing decisions.
Main Street Capital (MAIN) director reported routine share acquisitions under a dividend reinvestment plan on 10/15/2025. The filings list common stock purchases coded “J” pursuant to Rule 16a-11: 78.061 shares at $58.38 and 200.667 shares at $58.13 to the director’s account, plus 8 shares at $58.52 credited to a spouse’s account.
Following these transactions, beneficial ownership stands at 79,765.5769 shares direct and 1,966 shares indirect (by spouse).
Main Street Capital Corporation added Huntington Securities as an additional sales agent to its existing at‑the‑market equity offering. Under its equity distribution agreements, the company may, but is not obligated to, issue and sell up to 20,000,000 shares of common stock, from time to time, through the sales agents or to them as principals.
The ATM offering is being conducted under a prospectus supplement dated March 4, 2025 and a related prospectus dated February 28, 2025, which form part of Main Street’s effective shelf registration on Form N‑2. This update expands the roster of agents but does not itself mandate any share sales.
Main Street Capital Corporation filed a current report to furnish a press release dated November 6, 2025. The press release, attached as Exhibit 99.1, relates to the company’s results of operations and financial condition and is provided as supplemental information rather than being formally filed.