Tiger Cloud LLC - 16 Mar 2026 Form 4 Insider Report for BlockchAIn Digital Infrastructure, Inc. (AIB)

Reporting relationship: 10%+ Owner
Issuer ticker: AIB
Reported as of: 16 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Mar 2026, 16:05:24 UTC
Prior SEC filing: 13 Mar 2026
Source filing: View source filing
Reporting owner signature: Tiger Cloud LLC By: /s/ Jerry Tang Name: Jerry Tang Title: Managing Member

Key filing fact

Tiger Cloud LLC filed Form 4 for BlockchAIn Digital Infrastructure, Inc. (AIB) on 18 Mar 2026.

Key facts

This page summarizes Tiger Cloud LLC's Form 4 filing for BlockchAIn Digital Infrastructure, Inc. (AIB).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 16:05.

Change

Previous filing in this sequence was filed on 13 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002116471 Primary reporting owner

Tiger Cloud LLC

Relationship: 10%+ Owner
Address: 1540 BROADWAY, STE 1010, NEW YORK
Signature: Tiger Cloud LLC By: /s/ Jerry Tang Name: Jerry Tang Title: Managing Member
Signature date: 18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AIB transaction

Common Stock

Conversion of derivative security

Transaction value
Shares: +15,100,970
Change %: +15100970%
Price
Shares after: 15,101,070
Date: 16 Mar 2026
Ownership: Direct
Footnotes: F1

AIB transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -100
Change %: -0%
Price
Shares after: 15,100,970
Date: 16 Mar 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Pursuant to the terms of the Business Combination Agreement, dated as of May 27, 2025, as amended, by and among Signing Day Sports, Inc., One Blockchain LLC, BlockchAIn Digital Infrastructure, Inc., a Delaware corporation (the "Registrant"), BCDI Merger Sub I Inc., and BCDI Merger Sub II LLC, on March 16, 2026 (the "Closing Date"), the reporting person received 15,100,970 common stock of the Registrant for membership interests of One Blockchain LLC held by the reporting person, having a market value of $4.60 per share based on the last reported sale price of the common stock of the Registrant reported by the NYSE American on the Closing Date. On the Closing Date, Tiger Cloud LLC forfeited 100 shares of common stock for no consideration in connection with the closing of the business combination.