Magdol David L. 4

What Happened
David L. Magdol, President, Chief Investment Officer and Senior Managing Director of Main Street Capital (MAIN), acquired a total of 133.013 shares on May 15, 2026 through dividend reinvestment transactions. The two lots were: 68.343 shares at $50.65 ($3,462) and 64.67 shares at $50.69 ($3,278), for a combined value of about $6,740. These are purchases (acquisitions), which are generally more informative than sales but are small and appear to be routine reinvestments of dividends.

Key Details

• Transaction date: 2026-05-15 (two DRIP acquisitions)
• Prices and amounts: 68.343 shares @ $50.65 ($3,462); 64.67 shares @ $50.69 ($3,278) — total 133.013 shares, ~$6,740
• Reporting code: (J) — other acquisition/disposition; footnote states shares were acquired under a dividend reinvestment plan and the transaction is exempt from Section 16 under Rule 16a-11 (F1)
• Filing: Form 4 filed 2026-05-28 (reported 13 days after the transaction) — later than the typical 2-business-day Form 4 deadline
• Shares owned after transaction: not specified in the provided filing excerpt

Context
Dividend reinvestments are routine and commonly used by insiders to automatically convert dividends into additional shares; such DRIP transactions are often treated as exempt under Rule 16a-11. The amount here is modest, so while it is a purchase rather than a sale, it is likely a routine dividend reinvestment rather than a strong directional signal. The late filing reduces the timeliness of disclosure for investors.