Tiger Cloud LLC gains 15.1M BlockchAIn Digital (AIB) shares in business combination

Rhea-AI Filing Summary

Tiger Cloud LLC, a 10% owner of BlockchAIn Digital Infrastructure, Inc., reported major ownership changes tied to a closed business combination. On March 16, 2026, Tiger Cloud LLC received 15,100,970 shares of common stock in exchange for its membership interests in One Blockchain LLC, at a referenced market value of $4.60 per share on the NYSE American. On the same date, it forfeited 100 shares of common stock to the issuer for no consideration, resulting in 15,100,970 shares held following these transactions.

Insights

Equity structure analyst

Large equity issuance via business combination shifts AIB insider ownership.

The filing shows Tiger Cloud LLC acquiring 15,100,970 AIB common shares on March 16, 2026 through a business combination involving One Blockchain LLC. This is a non-cash transaction where membership interests were exchanged for equity at a referenced value of $4.60 per share.

Because Tiger Cloud LLC is identified as a 10% owner, this conversion meaningfully concentrates ownership. The simultaneous forfeiture of 100 shares to the issuer for no consideration is de minimis economically but reflects final closing adjustments tied to the combination terms.

The derivative position is fully converted, with no remaining derivatives reported in this filing. Future company reports may detail how this new ownership block interacts with overall float and governance following the March 16, 2026 closing.

Insider Trade Summary

Net Buyer: 15,100,870 shares

Net Buy 2 txns

Insider Tiger Cloud LLC

Role 10% Owner

Type	Security	Shares	Price	Value
Conversion	Common Stock	15,100,970	$0.00	$0.00
Disposition	Common Stock	100	$0.00	$0.00

Holdings After Transaction: Common Stock — 15,100,970 shares (Direct)

Footnotes (1)

1. 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/18/2026 - 04:05 PM Learn about SEC filing dates

FAQ

What insider transactions did Tiger Cloud LLC report in AIB stock?

Tiger Cloud LLC reported receiving 15,100,970 shares of BlockchAIn Digital Infrastructure (AIB) common stock via a business combination and forfeiting 100 shares to the issuer for no consideration, ending with 15,100,970 shares owned directly after the transactions.

How did Tiger Cloud LLC acquire 15,100,970 shares of AIB?

Tiger Cloud LLC acquired 15,100,970 AIB shares on March 16, 2026 by converting its membership interests in One Blockchain LLC under a Business Combination Agreement, at a referenced market value of $4.60 per share based on NYSE American pricing that day.

Did Tiger Cloud LLC sell any AIB shares in this Form 4 filing?

Tiger Cloud LLC did not sell shares in the market. Instead, it forfeited 100 AIB common shares to the issuer for no consideration in connection with closing the business combination, a small adjustment relative to the 15,100,970 shares received.

What is Tiger Cloud LLC’s ownership in BlockchAIn Digital Infrastructure after this filing?

Following the reported transactions, Tiger Cloud LLC directly owns 15,100,970 shares of BlockchAIn Digital Infrastructure, Inc. (AIB) common stock. The Form 4 identifies Tiger Cloud LLC as a 10% owner, highlighting its role as a significant shareholder after the business combination.

What agreement led to Tiger Cloud LLC’s AIB share issuance?

The share issuance stems from a Business Combination Agreement dated May 27, 2025, as amended, among Signing Day Sports, One Blockchain LLC, BlockchAIn Digital Infrastructure, Inc., and merger subsidiaries, with the transaction closing on March 16, 2026 and triggering the equity conversion.

Was cash involved in Tiger Cloud LLC’s AIB share acquisition?

The acquisition was structured as an equity conversion, not a cash purchase. Tiger Cloud LLC received 15,100,970 shares of AIB common stock in exchange for membership interests in One Blockchain LLC, with a referenced NYSE American market value of $4.60 per share on the closing date.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tiger Cloud LLC

(Last) (First) (Middle)

1540 BROADWAY, STE 1010

(Street)

NEW YORK NEW YORK 10036

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
BlockchAIn Digital Infrastructure, Inc. [ AIB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/16/2026		C		15,100,970	A	(1)	15,101,070	D
Common Stock	03/16/2026		D		100	D	(1)	15,100,970	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	Tiger Cloud LLC By: /s/ Jerry Tang Name: Jerry Tang Title: Managing Member	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)