Form 4: Director's SGN Holdings Convert to BlockchAIn Shares Post-Merger

A director of Signing Day Sports, Inc. converted all beneficial ownership in the company to shares and options of BlockchAIn Digital Infrastructure, Inc. following a business combination.

Summary

• Gregory Economou, a Director and 10% Owner of Signing Day Sports, Inc. (SGN), reported changes in his beneficial ownership.
• The changes occurred on March 16, 2026, due to a Business Combination Agreement dated May 27, 2025, involving Signing Day Sports, Inc. and BlockchAIn Digital Infrastructure, Inc.
• Economou disposed of 90,919 shares of SGN common stock, receiving 0.09334 common shares of BlockchAIn Digital Infrastructure, Inc. for each SGN share.
• The BlockchAIn common shares had a market value of $4.60 per share based on the first reported sale price on NYSE American LLC on March 17, 2026.
• Economou's stock option for 500 shares of SGN, with an exercise price of $120, became fully vested and was converted into an option to purchase 47 common shares of BlockchAIn.
• The new BlockchAIn option is exercisable for $1,285.62 per share and expires on May 9, 2033.
• Following these transactions, Economou beneficially owns 0 shares and 0 derivative securities of Signing Day Sports, Inc.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a neutral to slightly positive event, as it confirms the successful completion of a business combination, which can be a strategic positive for the entities involved, though it's a routine compliance filing for the reporting person.

Positives

• The business combination agreement has closed, indicating a successful merger for Signing Day Sports, Inc.
• The reporting person's stock options became fully vested as part of the transaction.

Negatives

• The reporting person no longer holds direct beneficial ownership in Signing Day Sports, Inc.

Risks

• No specific risks related to the company's operations or financial health are detailed in this Form 4 filing, which primarily reports a change in beneficial ownership due to a merger.

Future Outlook

This Form 4 primarily reports a completed transaction and does not contain forward-looking statements or guidance regarding the future performance of either Signing Day Sports, Inc. or BlockchAIn Digital Infrastructure, Inc., beyond the details of the merger's completion.

Industry Context

StockSavvy.ai notes that such business combinations are common strategies for companies seeking to expand market reach, consolidate operations, or achieve synergies. The conversion of equity holdings reflects the integration of Signing Day Sports, Inc. into BlockchAIn Digital Infrastructure, Inc., a typical outcome for acquired entities.

Comparison to Industry Standards

• NA

Management Changes

Corporate Governance

Legal Proceedings

• NA

Related Party Transactions

• NA

Stakeholder Impact

• Shareholders of Signing Day Sports, Inc. would have had their shares converted into BlockchAIn Digital Infrastructure, Inc. shares as part of the merger.
• The transaction signifies the integration of Signing Day Sports, Inc. into BlockchAIn Digital Infrastructure, Inc., impacting employees and customers of both entities through potential operational changes.

Next Steps

• NA

Key Dates

Keywords

Signing Day Sports, SGN, BlockchAIn Digital Infrastructure, Merger, Business Combination, Form 4, Beneficial Ownership, Director, Stock Option, Equity Conversion