Block, Inc. Director Anthony Eisen Files Form 144 to Sell 6,000 Shares

Block, Inc. ($SQ) Form 144 Analysis

Executive Summary Block, Inc. Director Anthony Mathew Eisen filed a Form 144 on September 28, 2026, disclosing an intention to sell 6,000 shares of common stock with an estimated aggregate market value of $451,200 (approx. $75.20 per share).

Key Transaction Highlights

• Proposed Sale Volume: 6,000 shares
• Aggregate Market Value: $451,200.00
• Shares Outstanding Context: 540,816,000 shares outstanding; proposed sale represents approximately 0.001% of total shares.
• Origin of Securities: The shares to be sold were originally acquired on January 31, 2022, via restricted stock vesting.
• Trading Plan: The planned sale is executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 2, 2026.

Historical Selling Activity Over the preceding three months, the filer has executed frequent, programmatic sales under this 10b5-1 plan, typically disposing of 6,000 shares per trading day alongside occasional larger block liquidations (e.g., 141,000 shares on July 15, 2026).

Significance & Market Impact Trading significance is assessed as Low. The transaction is standard programmatic insider liquidation governed by a 10b5-1 plan and comprises an immaterial fraction of Block's total public float.