Pinterest Co-Founder Benjamin Silbermann Files Form 144 for $1.06M Share Sale Under 10b5-1 Plan

Executive Summary

On October 20, 2026, Benjamin Silbermann—Co-Founder, Director, and 10% Stockholder of Pinterest, Inc. ($PINS)—filed a proposed Form 144 sale notice covering 46,875 shares of Class A Common Stock with an estimated aggregate market value of $1,057,482 (~$22.56 per share).

Transaction Details

• Filer: Benjamin Silbermann (Director & 10% Stockholder)
• Shares Proposed for Sale: 46,875 Class A Common shares
• Approximate Sale Date: October 20, 2026
• Estimated Value: $1,057,482.00
• Broker: Charles Schwab & Co., Inc.
• Origin of Securities: Founder shares acquired on April 18, 2019
• Ownership Structure: Held indirectly via The Benjamin and Divya Silbermann Family Trust
• Trading Plan: Executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on February 27, 2026

Context and Historical Pattern

The filing reflects an established, routine schedule of weekly or bi-weekly sales. Over the preceding three months, Silbermann has consistently sold tranches of 46,875 shares on recurring dates under the same Rule 10b5-1 plan. Relative to Pinterest's 492,198,008 shares outstanding, this proposed sale represents approximately 0.01%, presenting minimal market dilution and negligible signal regarding company performance.