United Acquisition SPAC forfeits 439K Class B shares

United Acquisition Corp. I reported that its sponsor, United Acquisition SPAC LLC, forfeited 439,233 Class B ordinary shares to the company at no cost.

Rhea-AI Filing Summary

United Acquisition Corp. I reported that its sponsor, United Acquisition SPAC LLC, forfeited 439,233 Class B ordinary shares to the company at no cost. This occurred when the remaining portion of the underwriters’ over-allotment option expired.

After this restructuring, the sponsor holds 3,294,100 Class B ordinary shares. These Class B shares will automatically convert into Class A ordinary shares on a one-for-one basis at the time of the company’s initial business combination, or earlier at the holder’s option, subject to adjustments. Paul Packer, the company’s Chairman, CEO and CFO, is the sole managing member of the sponsor and may be deemed a beneficial owner of these securities but disclaims beneficial ownership except to the extent of his pecuniary interest.

Insider Trade Summary

Other: 439,233 shares

Other 1 txn

Insider United Acquisition SPAC LLC, PACKER PAUL

Role 10% Owner | CEO, CFO and Chairman

Type	Security	Shares	Price	Value
Other	Class B ordinary shares	439,233	$0.00	$0.00

Holdings After Transaction: Class B ordinary shares — 3,294,100 contracts (Direct)

Footnotes (3)

1. F1. As described in the Issuer's registration statement on Form S-1 (File No. 333-291904) (the "Registration Statement") under the heading "Summary--Sponsor Information", the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustments described therein and have no expiration date.
2. F2. 439,233 Class B ordinary shares were forfeited by United Acquisition SPAC LLC (the "Sponsor") to the Issuer at no cost in connection with the expiration of the remaining portion of the underwriters' over-allotment option, as described in the Registration Statement.
3. F3. These Class B ordinary shares are held by the Sponsor and were acquired pursuant to a subscription agreement by and between the Sponsor and the Issuer. Mr. Paul Packer, the Issuer's Chairman, Chief Executive Officer and Chief Financial Officer, is the sole managing member of the Sponsor. As a result, Mr. Packer may be deemed to have beneficial ownership of the Class B ordinary shares and the Private Placement Units (including the Private Placement Shares included in such units) held by the Sponsor. Mr. Packer disclaims such beneficial ownership except to the extent of his pecuniary interest therein.

FAQ

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What transaction did United Acquisition Corp. I (UACU) report on this Form 4?

The company reported that its sponsor, United Acquisition SPAC LLC, forfeited 439,233 Class B ordinary shares to the issuer at no cost after the remaining portion of the underwriters’ over-allotment option expired, reducing the sponsor’s Class B holdings but not involving any market sale.

How many United Acquisition Corp. I Class B shares does the sponsor hold after the forfeiture?

Following the forfeiture of 439,233 Class B ordinary shares, United Acquisition SPAC LLC holds 3,294,100 Class B ordinary shares. These remaining sponsor shares are still outstanding and are subject to the automatic conversion terms described in the company’s registration statement on Form S-1.

Why were 439,233 United Acquisition Corp. I Class B shares forfeited?

The 439,233 Class B ordinary shares were forfeited by United Acquisition SPAC LLC to the issuer at no cost in connection with the expiration of the remaining portion of the underwriters’ over-allotment option, as outlined in the company’s registration statement on Form S-1.

What happens to United Acquisition Corp. I Class B ordinary shares in the future?

The Class B ordinary shares will automatically convert into Class A ordinary shares on a one-for-one basis at the time of the company’s initial business combination, or earlier at the option of the holder, subject to certain adjustments described in the registration statement, and they have no expiration date.

What is Paul Packer’s relationship to United Acquisition SPAC LLC and these shares?

Paul Packer, Chairman, Chief Executive Officer and Chief Financial Officer of United Acquisition Corp. I, is the sole managing member of United Acquisition SPAC LLC. He may be deemed to beneficially own the Class B shares and related private placement securities held by the sponsor but disclaims ownership beyond his pecuniary interest.

Did the United Acquisition Corp. I Form 4 report any open-market buys or sells?

No open-market purchases or sales were reported. The Form 4 shows an “other” type transaction, where the sponsor forfeited 439,233 Class B ordinary shares to the issuer at no cost, tied to the expiration of the underwriters’ over-allotment option rather than trading in the public market.

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Accepted by SEC EDGAR 03/17/2026 - 05:16 PM EDT Learn about SEC filing dates

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^*

United Acquisition SPAC LLC

(Last) (First) (Middle)

C/O UNITED ACQUISITION CORP. I

7100 W. CAMINO REAL, SUITE 302-48

(Street)

BOCA RATON FL 33433

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
United Acquisition Corp. I [ UACU ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/14/2026

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

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

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

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

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
Class B ordinary shares	(1)	03/14/2026		J(2)			439,233	(1)	(1)	Class B ordinary shares	439,233	$0	3,294,100(3)	D

1. Name and Address of Reporting Person^*

United Acquisition SPAC LLC

(Last) (First) (Middle)

C/O UNITED ACQUISITION CORP. I

7100 W. CAMINO REAL, SUITE 302-48

(Street)

BOCA RATON FL 33433

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

PACKER PAUL

(Last) (First) (Middle)

UNITED ACQUISITION CORP. I

7100 W. CAMINO REAL, SUITE 302-48

(Street)

BOCA RATON FL 33433

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	CEO, CFO and Chairman

Explanation of Responses:

1. As described in the Issuer's registration statement on Form S-1 (File No. 333-291904) (the "Registration Statement") under the heading "Summary--Sponsor Information", the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to certain adjustments described therein and have no expiration date.

2. 439,233 Class B ordinary shares were forfeited by United Acquisition SPAC LLC (the "Sponsor") to the Issuer at no cost in connection with the expiration of the remaining portion of the underwriters' over-allotment option, as described in the Registration Statement.

3. These Class B ordinary shares are held by the Sponsor and were acquired pursuant to a subscription agreement by and between the Sponsor and the Issuer. Mr. Paul Packer, the Issuer's Chairman, Chief Executive Officer and Chief Financial Officer, is the sole managing member of the Sponsor. As a result, Mr. Packer may be deemed to have beneficial ownership of the Class B ordinary shares and the Private Placement Units (including the Private Placement Shares included in such units) held by the Sponsor. Mr. Packer disclaims such beneficial ownership except to the extent of his pecuniary interest therein.

	United Acquisition SPAC LLC, By: /s/ Paul Packer as Authorized Signatory and Managing Member	03/17/2026
	Paul Packer, By: /s/ Paul Packer	03/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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