MongoDB Director Dwight Merriman Files Form 144 to Sell $6.7M in Common Stock

Executive Summary

On November 2, 2026, Dwight A. Merriman, Director and co-founder of MongoDB, Inc. ($MDB), filed Form 144 disclosing a notice of proposed sale of 19,275 shares of Class A / Common Stock, representing an aggregate market value of approximately $6,701,336.07 (~$347.67 per share).

Transaction Breakdown

The notice covers three separate allocations scheduled for sale on or about November 2, 2026, through Wells Fargo Clearing Services:

• Direct / Personal: 10,000 shares ($3,487,942.67)
• DAM 2012 Trust LLC: 3,000 shares ($1,050,505.91)
• Dwight A. Merriman Charitable Foundation: 6,275 shares ($2,162,887.49)

Key Context & Trading Significance

• 10b5-1 Trading Plan: The proposed sales are executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on July 8, 2026, providing an affirmative defense against insider trading allegations.
• Recent Selling Pattern: Over the preceding three months, Mr. Merriman and his affiliated trust disposed of 20,000 shares generating gross proceeds of over $12.4M.
• Market Impact: With 80,556,341 shares outstanding, the 19,275 shares represent less than 0.03% of total outstanding common shares. Given the programmatic nature under a 10b5-1 plan, the overall trading significance is categorized as Medium.