Block, Inc. Director Anthony Eisen Files Form 144 to Sell 6,000 Shares Under 10b5-1 Plan

Executive Summary

On October 16, 2026, Anthony Mathew Eisen, a Director at Block, Inc. (NYSE: SQ), filed Form 144 indicating a proposed sale of 6,000 shares of common stock through Morgan Stanley Smith Barney LLC. The estimated market value of the proposed transaction is $482,580.00, implying an average price per share of approximately $80.43.

Transaction & Plan Background

• Acquisition Origin: The shares were originally acquired on January 31, 2022, as restricted stock directly from the issuer.
• Rule 10b5-1 Trading Plan: The proposed sale is executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 2, 2026.
• Historical Selling Pattern: Over the past three months, Director Eisen has systematically sold blocks of 6,000 shares on nearly every trading day under this plan, alongside an isolated 41,000-share transaction on August 5, 2026.

Market Impact & Significance

• Market Impact: Low. The 6,000 shares represent roughly 0.001% of Block's 540,816,000 common shares outstanding.
• Significance Evaluation: Because this filing represents an ongoing, automated execution under a Rule 10b5-1 plan established months prior, it does not signal any sudden change in sentiment or unexpected discretionary selling by company leadership.