Snowflake Co-Founder Benoit Dageville Files Form 144 to Sell $16.1M in Shares

Executive Summary

On October 21, 2026, Snowflake Inc. co-founder, director, and officer Benoit Dageville filed a Form 144 notice of proposed sale covering 50,000 shares of Common Stock through Fidelity Brokerage Services LLC, representing an estimated market value of $16,087,000.00.

Transaction & Plan Details

• Security: Common Stock
• Shares Proposed for Sale: 50,000
• Estimated Aggregate Market Value: $16,087,000.00 (~$321.74/share)
• Entity Holding Shares: The Snow Trust U/A Dtd 9/10/2019, where Benoit Dageville is a trustee and account stakeholder.
• Rule 10b5-1 Plan: The filing reflects a trading plan adoption date of April 23, 2026.
• Origin of Shares: Founder shares acquired from the issuer on August 1, 2012 as compensation.

Prior 3-Month Activity

The filer has engaged in a consistent bi-weekly programmatic selling schedule via The Snow Trust U/A Dtd 9/10/2019:

• 10/07/2026: 50,000 shares ($16,671,000.00)
• 09/23/2026: 50,000 shares ($16,954,000.00)
• 09/09/2026: 50,000 shares ($16,786,000.00)
• 08/26/2026: 50,000 shares ($15,472,000.00)
• 08/12/2026: 50,000 shares ($16,785,000.00)
• 07/29/2026: 50,000 shares ($14,000,000.00)

Context & Assessment

While the dollar value of the transaction is substantial, this proposed sale is part of an established Rule 10b5-1 trading plan established in April 2026, executing regular 50,000-share tranches every two weeks. Consequently, this activity is categorized with Medium significance as scheduled diversification rather than opportunistic discretionary selling.