Samsara CEO & Co-Founder Files Form 144 to Sell $59.2M in Common Stock

Executive Summary

On September 29, 2026, Sanjit Biswas, Co-Founder, Chief Executive Officer, Director, and 10% Stockholder of Samsara Inc. ($IOT), filed a Form 144 notice of proposed sale covering 1,569,300 shares of common stock with an aggregate market value of approximately $59.22 million.

Transaction Details

• Security: Common Stock
• Number of Shares to be Sold: 1,569,300
• Aggregate Market Value: $59,217,535.00 (~$37.74 per share)
• Shares Outstanding: 380,273,036
• Percentage of Outstanding Shares: ~0.41%
• Approximate Sale Date: September 29, 2026
• Broker: Charles Schwab & Co., Inc.
• Trading Plan: Adopted under Rule 10b5-1 on September 29, 2025 (exactly one year prior)

Source of Shares

The securities slated for sale stem from multiple tranches:

1. 855,598 shares: Series A Shares acquired directly from the issuer on May 15, 2015.
2. 62,200 shares: Gift of Founder Shares acquired on November 12, 2021.
3. 271,100 shares: Gift of Founder Shares acquired on December 11, 2021.
4. 380,402 shares: Restricted stock vesting/lapse scheduled between June 15, 2026, and December 15, 2026.

Sales are planned across trust accounts including The Biswas Family Trust U/A DTD 07/13/2012, The Biswas Trust I U/A/D 11/11/21, and The Biswas Trust II U/A/D 10/14/21.

Historical Selling Activity

In the preceding three-month period (July–August 2026), the reporting person completed 10 separate sale transactions totaling 1,056,505 shares for gross proceeds of approximately $39.85 million, reflecting an active, systematic divestment cadence under pre-arranged trading plans.