MAIN insider trading

NYSE Financial Services

Main Street Capital CORP — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
4,304
Last 90 days
74
Buys / sells
14% / 1%
Market cap
$5.16B

About Main Street Capital CORP

Main Street Capital Corporation is a business development company and a small business investment company specializing in direct and indirect investments. In direct investments, the firm specializes in private equity capital to lower middle market companies. The firm specializes in recapitalizations, loan, growth capital, mezzanine debt, corporate carveouts, family estate planning, management buyouts, refinancing, private loan, private credit solutions, senior secured term debt, unintranche term debt, subordinated debt, preferred equity, common equity, minimal or no fixed amortization, split lien term debt, industry consolidation, mature, later stage and emerging growth. The firm makes both control and non-control equity investments. The firm also provides debt capital to middle market companies for strategic acquisitions, management buyouts, growth financings, majority and minority recapitalizations, and refinancing. The firm also makes equity co-investments. The firm provides debt financing solutions for acquisitions, recapitalizations, and refinancing to middle market companies. The firm provides private debt and private equity capital to lower middle market companies and debt capital to middle market companies. The firm seeks to partner with entrepreneurs, business owners and management teams and generally provides "one stop" financing alternatives within its lower middle market portfolio. It prefers to invest in air freight and logistics, auto components, building products, chemicals, commercial services, computers, construction and engineering, consumer finance, consumer services, electronic equipment, energy equipment and services, financial services, health care equipment, health care providers, hotels, restaurants, and leisure, internet software and services, IT Services, machinery, oil, gas and consumable fuels, paper and forest products, professional and industrial services, manufacturing, road and rail, software, specialty retail, telecommunication, consumer discretionary, energy, materials, concrete, plumbing pipes, electrical component, heavy electrical equipment, media, utilities, technology, and transportation. The firm invests in Southwest of the United States of America. The firm typically invests in business services, commercial and professional services, communication services, consumer discretionary, consumer staples, lower middle market companies ranging between $5 million and $125 million in equity investment with annual revenues between $10 million and $150 million and EBITDA in ranging between $3 million and $20 million. The firm typically prefers to invest in the range of $5 million and $150 million per transaction in debt investment value but holds the ability to lead debt financings up to $250 million. For credit solutions, the firm invests between $10 million and $150 million with an EBITDA in the range of $7.5 million and $50 million. The firm loan portfolio companies generally have annual revenues between $25 million and $500 million. The firm's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies. It takes 5 percent minority and up to 50 percent majority equity investments. Main Street Capital Corporation was founded in 2007 and is based in Houston, Texas with an additional offices in Chicago, United States and Chojnów, Poland.

Company website: www.mainstcapital.com

MAIN insider activity at a glance

FilingIQ has scored 4,304 insider transactions for MAIN since Jan 15, 2015. The most recent filing in our index is dated May 4, 2026.

Across the full history, 616 open-market purchases and 27 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on MAIN insider trades is 50.7/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Latest MAIN Form 4 filings

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for MAIN?
FilingIQ tracks 4,304 Form 4 insider transactions for MAIN (Main Street Capital CORP), covering filings from Jan 15, 2015 onwards. 74 of those were filed in the last 90 days.
Are MAIN insiders net buyers or net sellers?
Across the full Form 4 history for MAIN, 616 transactions (14%) were open-market purchases and 27 (1%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does MAIN insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is MAIN in?
Main Street Capital CORP (MAIN) is classified in the Financial Services sector, specifically Asset Management, with a current market capitalisation of $5.16B.

Methodology & sources

Every MAIN insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.