MongoDB Director Dwight Merriman Sells $5.06M Under Rule 10b5-1 Plan

Transaction Summary

On October 8 and October 9, 2026, MongoDB, Inc. co-founder and director Dwight A. Merriman executed sales of 14,000 shares of Common Stock across direct and indirect accounts, generating gross proceeds of approximately $5.06 million.

Key Breakdown:

• Direct Dispositions (Oct 8, 2026):
  • 9,608 shares sold at a weighted average price of $359.93 ($3,458,207.44)
  • 392 shares sold at a weighted average price of $361.02 ($141,519.84)
• Indirect Dispositions via The Dwight A. Merriman 2012 Trust:
  • 3,000 shares sold on Oct 8, 2026, at $359.90 ($1,079,700.00)
  • 1,000 shares sold on Oct 9, 2026, at $377.00 ($377,000.00)

10b5-1 Trading Plan Context

All transactions reported in this filing were executed pursuant to a pre-established Rule 10b5-1 trading plan adopted by the reporting person. This eliminates discretionary timing concerns, as the trades were scheduled algorithmically under affirmative defense guidelines.

Impact on Remaining Holdings

Following these dispositions, Mr. Merriman continues to maintain significant equity in MongoDB:

• Direct Ownership: 952,953 shares
• Indirect Ownership (Trust): 448,896 shares
• Charitable Foundation: 79,262 shares (voting/investment power, no pecuniary interest)
• Total Retained Position: Over 1.48 million shares (valued at over $500M at current market levels)

The 14,000 shares sold represent less than 1% of his total beneficial ownership.

Trading Significance

Significance Level: Low. The transaction represents routine liquidity generation pursuant to an existing Rule 10b5-1 plan. Mr. Merriman remains heavily invested in the company, retaining almost all of his multi-hundred-million-dollar equity stake.