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

Executive Summary

On September 14, 2026, Anthony Mathew Eisen, a Director at Block, Inc. ($SQ), filed a Form 144 notice proposing the sale of 6,000 shares of Class A Common Stock with an estimated aggregate market value of $473,760.00 (~$78.96 per share). The proposed transaction is executed under a pre-established Rule 10b5-1 trading plan adopted on March 2, 2026.

Transaction Details

• Filer: Anthony M. Eisen
• Role: Director
• Security Title: Common Stock
• Number of Shares Proposed to Sell: 6,000 shares
• Estimated Aggregate Market Value: $473,760.00
• Approximate Date of Sale: September 14, 2026
• Securities Exchange: NYSE
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services
• Acquisition Source: Restricted stock granted by the issuer on January 31, 2022

Past 3-Month Activity & Trading Context

The filer has maintained a programmatic selling schedule pursuant to his 10b5-1 plan, selling regular tranches of 6,000 shares across multiple trading days over the past 3 months, alongside a few larger periodic dispositions (such as 41,000 shares on August 5, 2026, and 141,000 shares on July 15, 2026).

Significance

Trading Significance: Low. The proposed transaction represents an infinitesimal fraction (<0.002%) of Block's 540,816,000 outstanding shares and follows a pre-scheduled Rule 10b5-1 trading plan, reflecting routine liquidity management rather than a discretionary trading signal.