Pinterest Co-Founder Benjamin Silbermann Files Form 144 to Sell $1.01M in Stock Under 10b5-1 Plan

Executive Summary

On September 1, 2026, Pinterest, Inc. co-founder and director Benjamin Silbermann submitted a Form 144 filing declaring the intention to sell 46,875 shares of Class A Common Stock with an estimated aggregate market value of approximately $1,013,843 (~$21.63 per share).

Transaction & Plan Overview

• Filer: Benjamin Silbermann (Director & 10% Stockholder)
• Securities Offered: 46,875 shares of Class A Common Stock
• Estimated Value: $1,013,843.00
• Trading Plan: The proposed sale is executed pursuant to a Rule 10b5-1 trading plan adopted on February 27, 2026.
• Ownership Structure: The shares are held indirectly through The Benjamin and Divya Silbermann Family Trust.
• Historical Context: Over the preceding three months, regular recurring tranches of 46,875 shares have been sold on a weekly schedule under this 10b5-1 plan.

Market Impact & Significance

• Market Impact: Minimal. The transaction represents less than 0.01% of Pinterest's 492,198,008 Class A shares outstanding.
• Significance Rating: Low. The proposed sale represents pre-scheduled, programmatic estate and liquidity management under an established 10b5-1 plan rather than a discretionary signal on company outlook.