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

Executive Summary

On September 9, 2026, Anthony Mathew Eisen, a Director at Block, Inc., filed Form 144 providing notice of an intent to sell 6,000 shares of common stock with an estimated aggregate market value of $475,620.00 (approx. $79.27 per share).

Transaction Details

• Security: Common Stock
• Proposed Sale Date: September 9, 2026
• Shares to Sell: 6,000
• Estimated Aggregate Market Value: $475,620.00
• Shares Outstanding: 540,816,000
• Source of Shares: Acquired on January 31, 2022, as Restricted Stock from the Issuer.
• Broker: Morgan Stanley Smith Barney LLC Executive Financial Services

10b5-1 Trading Plan & Recent Selling Activity

• Plan Adoption Date: March 2, 2026
• Recent Pattern: The proposed transaction follows a regular daily/recurring schedule of 6,000-share sales executed under the established Rule 10b5-1 trading plan over the preceding three months, alongside periodic larger block sales in July and August 2026.

Trading Significance

This filing represents a routine, programmatic disposal executed pursuant to a pre-established Rule 10b5-1 trading plan adopted earlier in the year. Given the planned nature and modest size relative to Block's total shares outstanding, this filing carries Low trading significance.