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Turkcell Iletisim Hizmetleri A.S. (TKC)

NYSE: TKC · Telephone Communications (No Radiotelephone) · Istanbul, TR · filing with the SEC since 2001
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Grade5.2
◀ Past 5.0● Present 5.3▶ Future 5.1
2 est.
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Filings

633 filings since 2017 beside 26 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
20-F Annual report, foreign filer for the fiscal year ending Dec 31, 2026Foreign filers have four months after the fiscal year ends. by Apr 30, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files.

Filings a yearinsider forms included
5658278267746778
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

A late-filing notice, Form NT 20-F, filed Apr 29, 2024.
Insider forms 26

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 12, 2026 SCHEDULE 13D/A Activist holder update, amended
Nov 10, 2026 6-K Interim report, foreign filer
Nov 9, 2026 6-K Interim report, foreign filer
Nov 4, 2026 6-K Interim report, foreign filer
Nov 3, 2026 6-K Interim report, foreign filer
Nov 3, 2026 6-K Interim report, foreign filer
Nov 3, 2026 6-K Interim report, foreign filer
Oct 28, 2026 6-K Interim report, foreign filer
Oct 27, 2026 6-K Interim report, foreign filer
Oct 23, 2026 6-K Interim report, foreign filer
Oct 22, 2026 6-K Interim report, foreign filer
Oct 20, 2026 6-K Interim report, foreign filer
Oct 9, 2026 6-K Interim report, foreign filer
Sep 25, 2026 6-K Interim report, foreign filer
Sep 25, 2026 6-K Interim report, foreign filer
Sep 24, 2026 6-K Interim report, foreign filer
Sep 24, 2026 6-K Interim report, foreign filer
Sep 22, 2026 6-K Interim report, foreign filer
Sep 8, 2026 6-K Interim report, foreign filer
Sep 1, 2026 6-K Interim report, foreign filer
Aug 14, 2026 6-K Interim report, foreign filer
Jul 30, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 23, 2026 6-K Interim report, foreign filer
Jun 24, 2026 6-K Interim report, foreign filer
Jun 24, 2026 6-K Interim report, foreign filer
Jun 24, 2026 6-K Interim report, foreign filer
Jun 24, 2026 6-K Interim report, foreign filer
Jun 22, 2026 6-K Interim report, foreign filer
Jun 22, 2026 6-K Interim report, foreign filer
Jun 18, 2026 6-K Interim report, foreign filer
Jun 1, 2026 SD Conflict minerals report
May 12, 2026 6-K Interim report, foreign filer
May 11, 2026 6-K Interim report, foreign filer
May 7, 2026 6-K Interim report, foreign filer
Apr 22, 2026 6-K Interim report, foreign filer
Apr 21, 2026 6-K Interim report, foreign filer
Apr 21, 2026 6-K Interim report, foreign filer
Apr 17, 2026 IRANNOTICE Iran-related disclosure notice
Apr 17, 2026 20-F Annual report, foreign filer Dec 31, 2025
Apr 6, 2026 SCHEDULE 13G Large holder notice
40 of 633 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton TKC · research, not advice