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

Executive Summary

On October 19, 2026, Anthony Mathew Eisen, a Director at Block, Inc., filed Form 144 indicating a proposed sale of 6,000 shares of Block Common Stock through Morgan Stanley Smith Barney LLC. The transaction has an estimated aggregate market value of $471,480, representing an implied price of approximately $78.58 per share.

Transaction & Trading Plan Details

• Security: Common Stock
• Shares to be Sold: 6,000
• Aggregate Market Value: $471,480.00
• Shares Outstanding: 540,816,000 (proposed sale represents <0.002% of outstanding shares)
• Trading Plan: The proposed sale is executed pursuant to a Rule 10b5-1 trading plan adopted on March 2, 2026.
• Historical Activity: The insider has been executing systematic sales of 6,000 shares on nearly every trading day over the preceding three months, consistent with pre-set algorithmic liquidation.

Market Significance

The market impact is assessed as Low. The transaction is immaterial relative to Block's outstanding share count and daily trading volume, and is carried out under a pre-established 10b5-1 trading program.