Turkcell (NYSE: TKC) officer Mustafa Demirhan listed in new Form 3

Rhea-AI Filing Summary

TURKCELL ILETISIM HIZMETLERI A S reported a new insider, Mustafa Demirhan, on a Form 3. He is listed as an officer, with the specific title referenced in the remarks section. The filing does not show any buy, sell, or other share transactions, serving as an initial ownership report.

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Accepted by SEC EDGAR 03/18/2026 - 01:33 PM Learn about SEC filing dates

FAQ

What does the Turkcell (TKC) Form 3 filing for Mustafa Demirhan show?

The Form 3 shows that Mustafa Demirhan is an officer of Turkcell and is now a reporting person under insider rules. It is an initial ownership report and does not list any specific stock transactions or derivative positions.

Did Turkcell (TKC) officer Mustafa Demirhan buy or sell shares in this Form 3?

No, the Form 3 for Mustafa Demirhan does not report any share purchases, sales, or derivative exercises. It only identifies him as an officer and establishes his status as an insider subject to reporting requirements going forward.

What insider role is reported for Mustafa Demirhan at Turkcell (TKC)?

The filing identifies Mustafa Demirhan as an officer of Turkcell, with his specific officer title referenced in the remarks field. This designation subjects him to ongoing insider reporting obligations under SEC rules for future stock and derivative transactions.

Does the Turkcell (TKC) Form 3 for Mustafa Demirhan include derivative securities?

No, the Form 3 data for Mustafa Demirhan shows no derivative securities or related transactions. The derivative summary is empty, indicating no options, warrants, or similar instruments are reported in this initial insider ownership statement.

Why is Turkcell (TKC) filing a Form 3 for Mustafa Demirhan?

Form 3 is required when someone becomes an insider, such as an officer or director. Turkcell filed this Form 3 because Mustafa Demirhan is an officer, formally registering him as a reporting person for future insider trading disclosures.

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^*

Demirhan Mustafa

(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)
	See Remarks

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:

Chief Information and Communication Technologies Officer. 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)