[Form 4] Solarius Capital Acquisition Corp. Units Insider Trading Activity

Rhea-AI Filing Summary

Solarius Capital Sponsor, LLC, the SPAC sponsor and 10% owner of Solarius Capital Acquisition Corp. (SOCA), filed a Form 4 showing it acquired 450,000 Class A ordinary shares on 17 Jul 2025.

The shares were bought at $10.00 each as part of the issuer’s private-placement units referenced in its Form S-1, for an implied cash commitment of about $4.5 million. The purchase is coded “A” (acquisition), and raises the Sponsor’s direct beneficial holding to 450,000 shares. No derivative securities were reported.

• Reporting person acts as Director by Deputization and owns >10% of outstanding shares.
• Managing members David Saab, Charles Ecalle and Evangelia Kallitsi disclaim beneficial ownership except for their economic interest.

No sales, option grants or other equity instruments were disclosed.

Positive

• 450,000 Class A shares acquired by the Sponsor at $10, indicating continued capital commitment and alignment with public shareholders.

Negative

• None.

Insights

Securities Analyst

TL;DR: Sponsor’s $4.5 m purchase increases stake to 450k shares; routine SPAC alignment, limited immediate market impact.

Assessment: Insider buying is generally viewed as a confidence signal. However, SPAC sponsors are typically required to purchase private-placement units, so this transaction is largely procedural. The size—450 k shares at $10—matches the standard unit price outlined in the S-1 and does not change control dynamics. No derivatives or sales were reported, suggesting no hedging or profit-taking. Overall impact on valuation or float is minimal, but the filing confirms the Sponsor’s continuing financial commitment ahead of any potential business combination.

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

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

1. Name and Address of Reporting Person^*

Solarius Capital Sponsor, LLC

(Last) (First) (Middle)

C/O SOLARIUS CAPITAL ACQUISITION CORP.

PO BOX 309, UGLAND HOUSE

(Street)

GRAND CAYMAN E9 KY1-1104

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Solarius Capital Acquisition Corp. [ SOCA ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
07/17/2025

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

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

X	Form filed by One Reporting Person
	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
Class A Ordinary Shares	07/17/2025		A(1)		450,000	A	$10	450,000	D(2)

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. The reported Class A ordinary shares are within 450,000 of the Issuer's Private Placement Units, as described under the heading "Description of Securities" in the Issuer's registration statement on Form S-1 (File No. 333-288078), purchased by Solarius Capital Sponsor, LLC (the "Sponsor") for $10.00 per Private Placement Unit.

2. The Sponsor is the record holder of the securities reported herein. David Saab, Charles Ecalle and Evangelia Kallitsi are the managing members of the Sponsor. Each of Mr. Saab, Mr. Ecalle and Ms. Kallitsi disclaims any beneficial ownership of the securities held by the Sponsor other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

	/s/ Daniel Nussen, Attorney-in-Fact for Solarius Capital Sponsor, LLC	07/24/2025
	** 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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FAQ

How many SOCA shares did Solarius Capital Sponsor purchase?

450,000 Class A ordinary shares were acquired on 17 Jul 2025.

What was the purchase price of the shares?

The shares were bought at $10.00 per share within private-placement units.

What is the Sponsor’s total ownership after the transaction?

Direct beneficial ownership stands at 450,000 shares following the purchase.

Were any derivative securities reported in the Form 4?

No, no derivative securities were listed in Table II.

Who are the managing members of the Sponsor?

David Saab, Charles Ecalle and Evangelia Kallitsi; each disclaims beneficial ownership beyond pecuniary interest.