Turkcell (NYSE: TKC) CEO Ali Taha Koc files initial Form 3

Rhea-AI Filing Summary

TURKCELL ILETISIM HIZMETLERI A S filed an initial Form 3 for Chief Executive Officer Ali Taha Koc, formally registering his status as an officer and reporting his beneficial ownership position. The excerpt shows no reported transactions or derivative holdings, indicating this is an initial disclosure rather than a trade filing.

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

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1. Name and Address of Reporting Person^*

Koc Ali Taha

(Last) (First) (Middle)

AYDINEVLER MAHALLESI

INONU CADDESI NO: 20 B BLOK KUCUKYALI

(Street)

ISTANBUL 34854

(City) (State) (Zip)

TURKEY

(Country)

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

3. Issuer Name and Ticker or Trading Symbol
TURKCELL ILETISIM HIZMETLERI A S [ TKC ]

3a. Foreign Trading Symbol
[TCELL]

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)
	Chief Executive Officer

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:

Remarks:

Exhibit List - Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Beren Erdem Hamaratgil, Attorney-in-Fact	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 Turkcell (TKC) Form 3 filing report?

The Form 3 reports that Ali Taha Koc serves as Chief Executive Officer of Turkcell Iletisim Hizmetleri A S and provides his initial beneficial ownership disclosure, with no transactions or derivative positions reported in this excerpt.

Who is the reporting person in the Turkcell (TKC) Form 3?

The reporting person is Ali Taha Koc, identified as the Chief Executive Officer of Turkcell Iletisim Hizmetleri A S, and he is not flagged as a director or ten percent owner in the provided data.

Does the Turkcell (TKC) Form 3 show any insider trades?

No insider trades are shown. The transaction summary lists zero buys, sells, exercises, gifts, tax withholding events, or restructuring entries, indicating the filing functions as an initial ownership statement without trading activity.

Are any derivative securities disclosed in the Turkcell (TKC) Form 3?

No derivative securities are disclosed. The derivativeSummary is empty and derivativeTransactionCount is zero, meaning the excerpt does not show any options, warrants, or other derivative positions associated with the reporting person.

Does the Turkcell (TKC) Form 3 mention Rule 10b5-1 trading plans?

The provided data does not include any reference to Rule 10b5-1 trading plans. Footnotes are present but contain no text in this excerpt, so no pre-planned trading arrangements are indicated here.