Pinterest Co-Founder Benjamin Silbermann Files Form 144 for $1.08M Sale

Executive Summary

On October 21, 2026, Benjamin Silbermann, Co-Founder, Director, and 10% Stockholder of Pinterest, Inc. ($PINS), filed SEC Form 144 proposing the sale of 46,875 shares of Class A Common Stock. The estimated aggregate market value of the proposed transaction is $1,075,350.00, representing an implied share price of approximately $22.94.

Transaction Details

• Filer: Benjamin Silbermann (TTEE)
• Role: Director and 10% Stockholder
• Securities: Class A Common Stock
• Proposed Sale Date: October 21, 2026
• Broker: Charles Schwab & Co., Inc.
• Shares to be Sold: 46,875
• Gross Value: $1,075,350.00
• Ownership Structure: Shares are held via The Benjamin and Divya Silbermann Family Trust.
• Origin of Shares: Founder's Shares acquired on April 18, 2019.

Trading Plan & Historical Context

• Rule 10b5-1 Plan: The transaction is executed under a pre-established Rule 10b5-1 trading plan adopted on February 27, 2026.
• Historical Activity: The filing reflects a consistent, programmatic selling pattern over the preceding three months, with repeated sales of exactly 46,875 shares occurring on a regular weekly or bi-weekly cadence.

Market Impact & Significance

This filing carries Low trading significance. The planned transaction represents less than 0.01% of the 492,198,008 total shares outstanding. Because the sales are routine, automated executions under a pre-scheduled Rule 10b5-1 plan, they reflect routine wealth diversification rather than a discretionary reaction to company performance or valuation.