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 |
|---|---|---|---|
| 3 | Initial insider ownership | Sep 15, 2026 | Sep 9, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 30, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 6, 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 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 22, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Feb 2, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 4, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 15, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 15, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 10, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 9, 2020 | — |
| SC 13D | Ownership over 5% (active) | Oct 30, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 23, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 22, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Oct 22, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 19, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 19, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 18, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 28, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 25, 2018 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 19, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 5, 2017 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 29, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Sep 23, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Aug 4, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 1, 2016 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 12, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 9, 2015 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 18, 2014 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2013 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2012 | — |
| SC 13G | Ownership over 5% (passive) | Feb 10, 2011 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 7, 2010 | — |
Showing 57 filings. 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.