SK TELECOM CO LTD
44 SEC EDGAR filings indexed (CIK 0001015650) across 11 form types.
Filing profile
SK TELECOM CO LTD (SKM) has 44 SEC filings indexed on SecFilingDex, across 11 form types filed over roughly 24 years, from August 13, 2002 to August 7, 2026. The filer is classified under Radiotelephone Communications (SIC 4812).
Its most frequent disclosure is the 6-K (Foreign event) with 8 filings — Material disclosure filed by foreign private issuers as required by their home country. 11 of these filings were disclosed in the twelve months to August 7, 2026. 13 of the 44 are amendments (a corrected or updated version of an earlier filing).
Disclosure mix
- 86-KForeign event · event-driven
- 820-FForeign annual · annual
- 7SC 13G5%+ passive stake · event-driven
- 6SC 13G/A5%+ passive stake · event-driven
- 3Form 3Initial insider ownership · within 10 days of becoming an insider
- 320-F/AForeign annual · annual
- 3SC 13D/A5%+ activist stake · event-driven (within 10 days)
- 2Form 4Insider transaction · within 2 business days of transaction
- 2SC 13D5%+ activist stake · event-driven (within 10 days)
- 1Form 3/AInitial insider ownership · within 10 days of becoming an insider
- 1424B4Final prospectus · event-driven
Profile derived from 44 indexed filings; every figure traces to the filing records above, each linking back to its original SEC EDGAR document. Filing counts reflect SecFilingDex's current index, not the filer's complete EDGAR history.
All filings
- 6-KForeign event · period of report Aug 7, 2026Filed · 0001193125-26-339139
- 6-KForeign event · period of report Aug 5, 2026Filed · 0001193125-26-333727
- 6-KForeign event · period of report Jul 29, 2026Filed · 0001193125-26-322146
- 6-KForeign event · period of report Jul 23, 2026Filed · 0001193125-26-313271
- 6-KForeign event · period of report Jul 23, 2026Filed · 0001193125-26-313273
- 6-KForeign event · period of report Jul 10, 2026Filed · 0001193125-26-300155
- 6-KForeign event · period of report Jun 30, 2026Filed · 0001193125-26-289375
- 6-KForeign event · period of report Jun 30, 2026Filed · 0001193125-26-289380
- 20-FForeign annualFiled · 0001193125-26-188763
- Form 3/AInitial insider ownership · period of report Feb 20, 2026Filed · 0002112256-26-000007
- Form 3Initial insider ownership · period of report Feb 19, 2026Filed · 0002112256-26-000002
- 20-FForeign annual · period of report Dec 31, 2024Filed · 0001193125-25-101730
- Form 3Initial insider ownership · period of report Dec 13, 2024Filed · 0000950170-24-139275
- 20-FForeign annual · period of report Dec 31, 2023Filed · 0001193125-24-119709
- 20-FForeign annual · period of report Dec 31, 2022Filed · 0001193125-23-120018
- 20-FForeign annual · period of report Dec 31, 2021Filed · 0001193125-22-126714
- SC 13G/A5%+ passive stakeFiled · 0001193125-22-039243
- 20-FForeign annual · period of report Dec 31, 2020Filed · 0001193125-21-138579
- SC 13G5%+ passive stakeFiled · 0001193125-21-036849
- 20-FForeign annual · period of report Dec 31, 2019Filed · 0001193125-20-124200
- 20-FForeign annual · period of report Dec 31, 2018Filed · 0001193125-19-123795
- 20-F/AForeign annual · period of report Dec 31, 2017Filed · 0001193125-18-151612
- SC 13G/A5%+ passive stakeFiled · 0000909012-12-000212
- SC 13G5%+ passive stakeFiled · 0000909012-12-000123
- SC 13G5%+ passive stakeFiled · 0000909012-12-000147
- SC 13D/A5%+ activist stakeFiled · 0000950123-09-065944
- Form 4Insider transaction · period of report Nov 24, 2009Filed · 0001209191-09-054325
- SC 13D/A5%+ activist stakeFiled · 0000950123-09-026713
- SC 13D/A5%+ activist stakeFiled · 0000950123-08-017059
- Form 4Insider transaction · period of report Dec 2, 2008Filed · 0001210567-08-000029
- SC 13G/A5%+ passive stakeFiled · 0000950123-08-016798
- Form 3Initial insider ownership · period of report Aug 22, 2008Filed · 0001207955-08-000020
- SC 13D5%+ activist stakeFiled · 0000950123-08-010686
- SC 13G5%+ passive stakeFiled · 0000950123-08-001421
- SC 13G/A5%+ passive stakeFiled · 0000019617-08-000048
- SC 13G5%+ passive stakeFiled · 0001145549-07-001588
- SC 13G5%+ passive stakeFiled · 0000019617-07-000312
- SC 13G5%+ passive stakeFiled · 0001145549-06-000339
- SC 13G/A5%+ passive stakeFiled · 0001193125-05-163505
- 424B4Final prospectusFiled · 0001193125-05-155877
- 20-F/AForeign annual · period of report Dec 31, 2004Filed · 0001145549-05-001341
- 20-F/AForeign annual · period of report Dec 31, 2002Filed · 0001145549-03-000805
- SC 13G/A5%+ passive stakeFiled · 0001145549-03-000175
- SC 13D5%+ activist stakeFiled · 9999999997-02-045932
Authoritative source
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