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SK Telecom Co., Ltd. (SKM)

NYSE: SKM · Radiotelephone Communications · Seoul Korea, KR · filing with the SEC since 1999
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Grade5.5
◀ Past 6.7● Present 5.6▶ Future 4.8
1 est.
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Filings

392 filings since 2017 beside 4 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
4134544136373551
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Insider forms 4

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 4, 2026 6-K Interim report, foreign filer
Nov 2, 2026 SCHEDULE 13D/A Activist holder update, amended
Oct 29, 2026 6-K Interim report, foreign filer
Oct 28, 2026 6-K Interim report, foreign filer
Oct 14, 2026 6-K Interim report, foreign filer
Sep 16, 2026 6-K Interim report, foreign filer
Sep 2, 2026 6-K Interim report, foreign filer
Aug 27, 2026 6-K Interim report, foreign filer
Aug 27, 2026 6-K Interim report, foreign filer
Aug 27, 2026 6-K Interim report, foreign filer
Aug 13, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 7, 2026 6-K Interim report, foreign filer
Aug 5, 2026 6-K Interim report, foreign filer
Jul 29, 2026 6-K Interim report, foreign filer
Jul 28, 2026 SCHEDULE 13D/A Activist holder update, amended
Jul 24, 2026 6-K/A Interim report, foreign filer, amended
Jul 23, 2026 6-K Interim report, foreign filer
Jul 23, 2026 6-K Interim report, foreign filer
Jul 10, 2026 6-K Interim report, foreign filer
Jun 30, 2026 6-K Interim report, foreign filer
Jun 30, 2026 6-K Interim report, foreign filer
Jun 30, 2026 6-K Interim report, foreign filer
Jun 26, 2026 6-K Interim report, foreign filer
Jun 15, 2026 6-K Interim report, foreign filer
Jun 8, 2026 6-K Interim report, foreign filer
May 29, 2026 6-K Interim report, foreign filer
May 18, 2026 6-K Interim report, foreign filer
May 15, 2026 SCHEDULE 13G Large holder notice
May 7, 2026 6-K Interim report, foreign filer
Apr 30, 2026 6-K Interim report, foreign filer
Apr 29, 2026 20-F Annual report, foreign filer Dec 31, 2025
Apr 27, 2026 6-K Interim report, foreign filer
Apr 27, 2026 6-K Interim report, foreign filer
Apr 17, 2026 6-K Interim report, foreign filer
Mar 30, 2026 6-K Interim report, foreign filer
Mar 26, 2026 6-K Interim report, foreign filer
Mar 26, 2026 6-K Interim report, foreign filer
Mar 26, 2026 6-K Interim report, foreign filer
Mar 11, 2026 6-K Interim report, foreign filer
Mar 11, 2026 6-K Interim report, foreign filer
40 of 392 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 SKM · research, not advice