Pinterest Co-Founder Paul Sciarra Files Form 144 to Sell $10.34M in Common Stock

Executive Summary

Pinterest, Inc. co-founder Paul Sciarra has filed a Form 144 notice of proposed sale covering 500,000 shares of common stock, representing an estimated market value of approximately $10.34 million. The sale is slated to execute on or around October 27, 2026, through Merrill Lynch.

Transaction Breakdown

• Seller: Paul Sciarra, Co-Founder
• Security: Common Stock
• Volume: 500,000 shares
• Aggregate Value: $10,339,300 (implied execution price of ~$20.68 per share)
• Shares Outstanding: 492,198,008 shares (sale represents ~0.10% of total outstanding common shares)
• Acquisition Origin: Founder shares initially acquired directly from the issuer on July 14, 2009, with a conversion date of October 27, 2026.
• Prior 3 Months Activity: No other sales reported in the preceding 3-month window.

Market Significance

This filing carries High market significance primarily due to the transaction value exceeding $10 million and the filer's status as a core co-founder. While 500,000 shares represents a minor percentage (0.10%) of the 492.2 million shares outstanding, multimillion-dollar founder dispositions typically attract market scrutiny regarding insider sentiment and liquidity trends.