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

Executive Summary

On September 24, 2026, Anthony Mathew Eisen, a Director at Block, Inc. (NYSE: SQ), filed a Form 144 notice proposing the sale of 6,000 shares of common stock with an estimated aggregate market value of $447,480.00.

Key Transaction Details

• Filer: Anthony Mathew Eisen, Director
• Shares to be Sold: 6,000 shares of Common Stock
• Aggregate Market Value: $447,480.00 (implied price of ~$74.58 per share)
• Shares Outstanding: 540,816,000
• Acquisition Origin: Acquired as restricted stock directly from the issuer on January 31, 2022
• Trading Plan Status: The filing indicates these sales are executed under a Rule 10b5-1 trading plan adopted on March 2, 2026

Historical Selling Pattern

The filing reveals a consistent, programmatic pattern of daily 6,000-share dispositions across the preceding three months, with occasional larger blocks (e.g., 41,000 shares on August 5, 2026, and 141,000 shares on July 15, 2026).

Significance Assessment

Trading Significance: Low. The transaction represents an immaterial fraction of Block's 540.8 million shares outstanding (~0.001%) and is conducted pursuant to a pre-established Rule 10b5-1 trading plan, indicating scheduled diversification rather than opportunistic sentiment-driven insider selling.