Rubico Inc. (RUBI) director Xiradakis Georgios submits initial Form 3

Rhea-AI Filing Summary

Rubico Inc. director Xiradakis Georgios filed an initial Form 3, which is the mandatory insider ownership report when someone becomes a director or other key insider. This filing lists him as a director but shows no reported stock transactions or holdings in the available data.

Key Figures

Insider buy transactions: 0 transactions Insider sell transactions: 0 transactions Net buy/sell shares: 0 shares

3 metrics

Insider buy transactions 0 transactions Form 3 transaction summary

Insider sell transactions 0 transactions Form 3 transaction summary

Net buy/sell shares 0 shares Form 3 transaction summary netBuySellShares

Key Terms

Form 3, reportingPersons, transactionSummary, derivativeSummary

4 terms

Form 3 regulatory

"INSIDER FILING DATA (Form 3):"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reportingPersons regulatory

""reportingPersons": [ { "name": "Xiradakis Georgios""

transactionSummary financial

""transactionSummary": { "buyCount": 0, "sellCount": 0"

derivativeSummary financial

""derivativeSummary": [],"

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Xiradakis Georgios

(Last) (First) (Middle)

AKTI MIAOULI 95

(Street)

PIRAEUS, ATTICA 185 38

(City) (State) (Zip)

GREECE

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Rubico Inc. [ RUBI ]

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Georgios Xiradakis	04/01/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does Rubico Inc. (RUBI) disclose in this Form 3 for Xiradakis Georgios?

Rubico Inc. reports that Xiradakis Georgios is a director and a reporting person on a Form 3. The available data shows no listed stock transactions or specific holdings associated with him in this initial filing.

Does the Rubico (RUBI) Form 3 show any insider buying or selling?

No, the Form 3 data for Rubico Inc. shows no insider transactions. All transaction counts and share amounts, including buys, sells, exercises, gifts, and tax withholdings, are reported as zero in the transaction summary.

What is the role of Xiradakis Georgios at Rubico Inc. (RUBI)?

The filing identifies Xiradakis Georgios as a director of Rubico Inc. He is not listed as an officer or a ten percent owner in this Form 3, which focuses on his status as a board member and reporting person.

Why is a Form 3 important for Rubico Inc. (RUBI) investors?

Form 3 is the initial ownership report for insiders such as directors. It establishes who must report future trades in the company’s securities on Forms 4 and 5, improving transparency around insider activity at Rubico Inc.

Does the Rubico (RUBI) Form 3 include any derivative securities details?

No, the derivative section is empty in this Form 3. The derivativeSummary and derivativeTransactionCount fields show no listed options, warrants, or other derivative positions for Xiradakis Georgios in the provided data.