TGS (TGS) CFO Alejandro Basso becomes reporting insider with Form 3

Rhea-AI Filing Summary

Gas Transporter of the South Inc. filed an initial insider ownership report for Alejandro Mario Basso, who serves as CFO and Services Director. This Form 3 establishes his status as a company officer subject to insider reporting rules. The filing does not report any insider transactions.

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^*

Basso Alejandro Mario

(Last) (First) (Middle)

CECILIA GRIERSON 355 26 FLOOR

(Street)

CITY OF BUENOS AIRES C1107CPG

(City) (State) (Zip)

ARGENTINA

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
GAS TRANSPORTER OF THE SOUTH INC [ TGS ]

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)

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

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/Basso Alejandro Mario	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 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 the TGS Form 3 filing for Alejandro Mario Basso show?

The Form 3 filing identifies Alejandro Mario Basso as CFO and Services Director of Gas Transporter of the South Inc. It establishes him as a reporting insider under SEC rules, but the document does not list any buy, sell, or other insider transactions.

Did Alejandro Mario Basso report any stock transactions in this TGS Form 3?

No transactions are reported in this Form 3. The transaction summary shows zero buys, zero sells, zero derivative exercises, and no gifts or restructurings, indicating the filing is focused on establishing insider status rather than reporting trading activity.

What insider role does Alejandro Mario Basso hold at Gas Transporter of the South (TGS)?

Alejandro Mario Basso is reported as an officer of Gas Transporter of the South Inc., holding the title of CFO and Services Director. This role makes him a Section 16 reporting person, requiring disclosure of future changes in his beneficial ownership of company securities.

Does the TGS Form 3 include any derivative securities for Alejandro Mario Basso?

No derivative securities are listed for Alejandro Mario Basso in this Form 3. The derivative summary is empty and the derivative transaction count is zero, indicating there are no options, warrants, or similar derivative positions disclosed in this particular filing.

What does the transaction summary in the TGS Form 3 indicate overall?

The transaction summary shows zero buys, zero sells, zero exercises, and no gifts or restructurings, with a neutral net buy/sell direction. This means the Form 3 serves mainly as an initial ownership and status report, without any reported trading activity by the insider.