Turkcell Iletisim Hizmetleri A S SEC filings TKC
Turkcell Iletisim Hizmetleri A S has 1,000 filings in SEC EDGAR's recent list, going back to Feb 26, 2010. Its latest annual report, Form 20-F, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 4, 2026. The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 6-K | Current report (foreign issuer) | Nov 4, 2026 | Nov 4, 2026 |
| 6-K | Current report (foreign issuer) | Nov 3, 2026 | Nov 3, 2026 |
| 6-K | Current report (foreign issuer) | Nov 3, 2026 | Nov 3, 2026 |
| 6-K | Current report (foreign issuer) | Nov 3, 2026 | Nov 3, 2026 |
| 6-K | Current report (foreign issuer) | Oct 28, 2026 | Oct 28, 2026 |
| 6-K | Current report (foreign issuer) | Oct 27, 2026 | Oct 27, 2026 |
| 6-K | Current report (foreign issuer) | Oct 23, 2026 | Oct 23, 2026 |
| 6-K | Current report (foreign issuer) | Oct 22, 2026 | Oct 22, 2026 |
| 6-K | Current report (foreign issuer) | Oct 20, 2026 | Oct 20, 2026 |
| 6-K | Current report (foreign issuer) | Oct 9, 2026 | Oct 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 25, 2026 | Sep 25, 2026 |
| 6-K | Current report (foreign issuer) | Sep 25, 2026 | Sep 25, 2026 |
| 6-K | Current report (foreign issuer) | Sep 24, 2026 | Sep 24, 2026 |
| 6-K | Current report (foreign issuer) | Sep 24, 2026 | Sep 24, 2026 |
| 6-K | Current report (foreign issuer) | Sep 22, 2026 | Sep 22, 2026 |
| 3 | Initial insider ownership | Sep 15, 2026 | Sep 9, 2026 |
| 6-K | Current report (foreign issuer) | Sep 8, 2026 | Sep 8, 2026 |
| 6-K | Current report (foreign issuer) | Sep 1, 2026 | Sep 1, 2026 |
| 6-K | Current report (foreign issuer) | Aug 14, 2026 | Aug 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 30, 2026 | — |
| 6-K | Current report (foreign issuer) | Jul 23, 2026 | Jul 23, 2026 |
| 6-K | Current report (foreign issuer) | Jun 24, 2026 | Jun 24, 2026 |
| 6-K | Current report (foreign issuer) | Jun 24, 2026 | Jun 24, 2026 |
| 6-K | Current report (foreign issuer) | Jun 24, 2026 | Jun 24, 2026 |
| 6-K | Current report (foreign issuer) | Jun 24, 2026 | Jun 24, 2026 |
| 6-K | Current report (foreign issuer) | Jun 22, 2026 | Jun 22, 2026 |
| 6-K | Current report (foreign issuer) | Jun 22, 2026 | Jun 22, 2026 |
| 6-K | Current report (foreign issuer) | Jun 18, 2026 | Jun 18, 2026 |
| SD | Specialized disclosure (conflict minerals) | Jun 1, 2026 | — |
| 6-K | Current report (foreign issuer) | May 12, 2026 | May 12, 2026 |
| 6-K | Current report (foreign issuer) | May 11, 2026 | May 11, 2026 |
| 6-K | Current report (foreign issuer) | May 7, 2026 | May 7, 2026 |
| 6-K | Current report (foreign issuer) | Apr 22, 2026 | Apr 22, 2026 |
| 6-K | Current report (foreign issuer) | Apr 21, 2026 | Apr 21, 2026 |
| 6-K | Current report (foreign issuer) | Apr 21, 2026 | Apr 21, 2026 |
| IRANNOTICE | Filing | Apr 17, 2026 | — |
| 20-F | Annual report (foreign issuer) | Apr 17, 2026 | Dec 31, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 6, 2026 | — |
| 6-K | Current report (foreign issuer) | Mar 27, 2026 | Mar 27, 2026 |
| 6-K | Current report (foreign issuer) | Mar 23, 2026 | Mar 23, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 3 | Initial insider ownership | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 18, 2026 | Mar 18, 2026 |
| 6-K | Current report (foreign issuer) | Mar 13, 2026 | Mar 11, 2026 |
| 6-K | Current report (foreign issuer) | Mar 12, 2026 | Mar 12, 2026 |
| 6-K | Current report (foreign issuer) | Mar 6, 2026 | Mar 6, 2026 |
| 6-K | Current report (foreign issuer) | Mar 5, 2026 | Mar 5, 2026 |
| 6-K | Current report (foreign issuer) | Feb 24, 2026 | Feb 24, 2026 |
| 6-K | Current report (foreign issuer) | Feb 17, 2026 | Feb 17, 2026 |
| 6-K | Current report (foreign issuer) | Feb 4, 2026 | Feb 4, 2026 |
| 6-K | Current report (foreign issuer) | Jan 27, 2026 | Jan 27, 2026 |
| 6-K | Current report (foreign issuer) | Dec 31, 2025 | Dec 31, 2025 |
| 6-K | Current report (foreign issuer) | Dec 30, 2025 | Dec 30, 2025 |
| 6-K | Current report (foreign issuer) | Dec 8, 2025 | Dec 8, 2025 |
| 6-K | Current report (foreign issuer) | Nov 28, 2025 | Nov 28, 2025 |
| 6-K | Current report (foreign issuer) | Nov 28, 2025 | Nov 28, 2025 |
| 6-K | Current report (foreign issuer) | Nov 20, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 20, 2025 | Nov 20, 2025 |
| 6-K | Current report (foreign issuer) | Nov 17, 2025 | Nov 17, 2025 |
| 6-K | Current report (foreign issuer) | Nov 12, 2025 | Nov 12, 2025 |
| 6-K | Current report (foreign issuer) | Nov 12, 2025 | Nov 12, 2025 |
| 6-K | Current report (foreign issuer) | Nov 7, 2025 | Nov 7, 2025 |
| 6-K | Current report (foreign issuer) | Nov 6, 2025 | Nov 6, 2025 |
| 6-K | Current report (foreign issuer) | Oct 20, 2025 | Oct 20, 2025 |
| 6-K | Current report (foreign issuer) | Oct 16, 2025 | Oct 16, 2025 |
| 6-K | Current report (foreign issuer) | Oct 15, 2025 | Oct 15, 2025 |
| 6-K | Current report (foreign issuer) | Oct 10, 2025 | Oct 10, 2025 |
| 6-K | Current report (foreign issuer) | Sep 24, 2025 | Sep 24, 2025 |
| 6-K | Current report (foreign issuer) | Sep 16, 2025 | Sep 16, 2025 |
| 6-K | Current report (foreign issuer) | Aug 14, 2025 | Aug 14, 2025 |
| 6-K | Current report (foreign issuer) | Aug 13, 2025 | Aug 13, 2025 |
| 6-K | Current report (foreign issuer) | Aug 13, 2025 | Aug 13, 2025 |
| 6-K | Current report (foreign issuer) | Aug 5, 2025 | Aug 5, 2025 |
| 6-K | Current report (foreign issuer) | Jul 29, 2025 | Jul 29, 2025 |
| 6-K | Current report (foreign issuer) | Jul 3, 2025 | Jul 3, 2025 |
| 6-K | Current report (foreign issuer) | Jun 25, 2025 | Jun 25, 2025 |
| 6-K | Current report (foreign issuer) | Jun 25, 2025 | Jun 25, 2025 |
| 6-K | Current report (foreign issuer) | Jun 16, 2025 | Jun 16, 2025 |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| 6-K | Current report (foreign issuer) | May 15, 2025 | May 15, 2025 |
| 6-K | Current report (foreign issuer) | May 15, 2025 | May 15, 2025 |
| 6-K | Current report (foreign issuer) | May 12, 2025 | May 12, 2025 |
| 6-K | Current report (foreign issuer) | May 12, 2025 | May 12, 2025 |
| 6-K | Current report (foreign issuer) | May 9, 2025 | May 9, 2025 |
| 6-K | Current report (foreign issuer) | May 7, 2025 | May 7, 2025 |
| 6-K | Current report (foreign issuer) | May 1, 2025 | May 1, 2025 |
| 6-K | Current report (foreign issuer) | Apr 30, 2025 | Apr 30, 2025 |
| IRANNOTICE | Filing | Apr 29, 2025 | — |
| 20-F | Annual report (foreign issuer) | Apr 29, 2025 | Dec 31, 2024 |
| 6-K | Current report (foreign issuer) | Apr 25, 2025 | Apr 25, 2025 |
| 6-K | Current report (foreign issuer) | Apr 16, 2025 | Apr 16, 2025 |
| 6-K | Current report (foreign issuer) | Mar 28, 2025 | Mar 28, 2025 |
| 6-K | Current report (foreign issuer) | Mar 27, 2025 | Mar 27, 2025 |
| 6-K | Current report (foreign issuer) | Mar 27, 2025 | Mar 27, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 26, 2025 | Mar 26, 2025 |
| 6-K | Current report (foreign issuer) | Mar 21, 2025 | Mar 21, 2025 |
| 6-K | Current report (foreign issuer) | Mar 20, 2025 | Mar 20, 2025 |
| 6-K | Current report (foreign issuer) | Mar 11, 2025 | Mar 11, 2025 |
| 6-K | Current report (foreign issuer) | Mar 5, 2025 | Mar 5, 2025 |
| 6-K | Current report (foreign issuer) | Feb 28, 2025 | Feb 28, 2025 |
| 6-K | Current report (foreign issuer) | Feb 27, 2025 | Feb 27, 2025 |
| 6-K | Current report (foreign issuer) | Feb 13, 2025 | Feb 13, 2025 |
| 6-K | Current report (foreign issuer) | Feb 7, 2025 | Feb 7, 2025 |
| 6-K | Current report (foreign issuer) | Jan 30, 2025 | Jan 30, 2025 |
| 6-K | Current report (foreign issuer) | Jan 30, 2025 | Jan 30, 2025 |
| 6-K | Current report (foreign issuer) | Jan 27, 2025 | Jan 27, 2025 |
| 6-K | Current report (foreign issuer) | Jan 24, 2025 | Jan 24, 2025 |
| 6-K | Current report (foreign issuer) | Jan 24, 2025 | Jan 24, 2025 |
| 6-K | Current report (foreign issuer) | Jan 21, 2025 | Jan 21, 2025 |
| 6-K | Current report (foreign issuer) | Jan 21, 2025 | Jan 21, 2025 |
| 6-K | Current report (foreign issuer) | Jan 17, 2025 | Jan 17, 2025 |
| 6-K | Current report (foreign issuer) | Jan 17, 2025 | Jan 17, 2025 |
| 6-K | Current report (foreign issuer) | Jan 13, 2025 | Jan 13, 2025 |
| 6-K | Current report (foreign issuer) | Dec 2, 2024 | Dec 2, 2024 |
| 6-K | Current report (foreign issuer) | Nov 14, 2024 | Nov 14, 2024 |
| 6-K | Current report (foreign issuer) | Nov 13, 2024 | Nov 13, 2024 |
| 6-K | Current report (foreign issuer) | Nov 8, 2024 | Nov 8, 2024 |
| 6-K | Current report (foreign issuer) | Nov 7, 2024 | Nov 7, 2024 |
| 6-K | Current report (foreign issuer) | Nov 6, 2024 | Nov 6, 2024 |
| 6-K | Current report (foreign issuer) | Nov 5, 2024 | Nov 5, 2024 |
| 6-K | Current report (foreign issuer) | Nov 1, 2024 | Nov 1, 2024 |
| 6-K | Current report (foreign issuer) | Oct 23, 2024 | Oct 23, 2024 |
| 6-K | Current report (foreign issuer) | Oct 21, 2024 | Oct 21, 2024 |
| 6-K | Current report (foreign issuer) | Oct 10, 2024 | Oct 10, 2024 |
| 6-K | Current report (foreign issuer) | Oct 10, 2024 | Oct 10, 2024 |
| 6-K | Current report (foreign issuer) | Sep 30, 2024 | Sep 30, 2024 |
| 6-K | Current report (foreign issuer) | Sep 19, 2024 | Sep 19, 2024 |
| 6-K | Current report (foreign issuer) | Sep 19, 2024 | Sep 19, 2024 |
| 6-K | Current report (foreign issuer) | Sep 19, 2024 | Sep 19, 2024 |
| 6-K | Current report (foreign issuer) | Sep 13, 2024 | Sep 13, 2024 |
| 6-K | Current report (foreign issuer) | Sep 9, 2024 | Sep 9, 2024 |
| 6-K | Current report (foreign issuer) | Aug 22, 2024 | Aug 22, 2024 |
| 6-K | Current report (foreign issuer) | Aug 21, 2024 | Aug 21, 2024 |
| 6-K | Current report (foreign issuer) | Aug 19, 2024 | Aug 19, 2024 |
| 6-K | Current report (foreign issuer) | Aug 8, 2024 | Aug 8, 2024 |
| 6-K | Current report (foreign issuer) | Aug 6, 2024 | Aug 6, 2024 |
| 6-K | Current report (foreign issuer) | Aug 6, 2024 | Aug 6, 2024 |
| 6-K | Current report (foreign issuer) | Aug 5, 2024 | Aug 5, 2024 |
| 6-K | Current report (foreign issuer) | Aug 5, 2024 | Aug 5, 2024 |
| 6-K | Current report (foreign issuer) | Aug 2, 2024 | Aug 2, 2024 |
| 6-K | Current report (foreign issuer) | Jul 29, 2024 | Jul 29, 2024 |
| 6-K | Current report (foreign issuer) | Jul 25, 2024 | Jul 25, 2024 |
| 6-K | Current report (foreign issuer) | Jul 12, 2024 | Jul 12, 2024 |
| 6-K | Current report (foreign issuer) | Jul 12, 2024 | Jul 12, 2024 |
| 6-K | Current report (foreign issuer) | Jul 11, 2024 | Jul 11, 2024 |
| 6-K | Current report (foreign issuer) | Jul 1, 2024 | Jul 1, 2024 |
| 6-K | Current report (foreign issuer) | Jun 24, 2024 | Jun 24, 2024 |
| 6-K | Current report (foreign issuer) | Jun 24, 2024 | Jun 24, 2024 |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| 6-K | Current report (foreign issuer) | May 31, 2024 | May 31, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 29, 2024 |
| 6-K | Current report (foreign issuer) | May 29, 2024 | May 29, 2024 |
| 6-K | Current report (foreign issuer) | May 28, 2024 | May 28, 2024 |
| 6-K | Current report (foreign issuer) | May 28, 2024 | May 28, 2024 |
| 6-K | Current report (foreign issuer) | May 17, 2024 | May 17, 2024 |
| 6-K | Current report (foreign issuer) | May 14, 2024 | May 14, 2024 |
| IRANNOTICE | Filing | May 13, 2024 | — |
| 20-F | Annual report (foreign issuer) | May 13, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | May 10, 2024 | May 10, 2024 |
| 6-K | Current report (foreign issuer) | May 3, 2024 | May 3, 2024 |
| 6-K | Current report (foreign issuer) | May 2, 2024 | May 2, 2024 |
| 6-K | Current report (foreign issuer) | May 2, 2024 | May 2, 2024 |
| NT 20-F | Filing | Apr 29, 2024 | Dec 31, 2023 |
| 6-K | Current report (foreign issuer) | Apr 24, 2024 | Apr 24, 2024 |
| 6-K | Current report (foreign issuer) | Apr 24, 2024 | Apr 24, 2024 |
| 6-K | Current report (foreign issuer) | Apr 5, 2024 | Apr 5, 2024 |
| 6-K | Current report (foreign issuer) | Apr 4, 2024 | Apr 4, 2024 |
| 6-K | Current report (foreign issuer) | Apr 4, 2024 | Apr 4, 2024 |
| 6-K | Current report (foreign issuer) | Apr 4, 2024 | Apr 4, 2024 |
| 6-K | Current report (foreign issuer) | Apr 3, 2024 | Apr 3, 2024 |
| 6-K | Current report (foreign issuer) | Mar 22, 2024 | Mar 22, 2024 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Telephone Communications (No Radiotelephone) (SIC 4813)
- Listed as
- TKC (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Turkey
- Headquarters
- Istanbul
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1071321
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.