SKM SCHEDULE 13G/A: SEC filing

Wellington Management Group LLP and affiliated entities

Filed with the SEC on · accession 0000902219-26-000273

SKM filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 13, 2026. A report the company filed with the SEC (the US market regulator). The stock moved +4.7% by the first close after the filing.

Summary of the filing

Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of an amended Schedule 13G regarding their passive ownership position in SK Telecom Co., Ltd. common stock.

Key details

Filer / institutional investorWellington Management Group LLP
Co-filer / affiliated entityWellington Group Holdings LLP
Co-filer / affiliated entityWellington Investment Advisors Holdings LLP
Issuer of securities subject to schedule 13gSK Telecom Co., Ltd.
Compliance managerMatthew Revell

How SKM stock reacted

Close before

$35.05

Aug 12, 2026

First close after

+4.74%

$36.71

5 trading days

+10.53%

$38.74

Since filing

-10.90%

$31.23

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Frequently asked questions

What did SKM file with the SEC on Aug 13, 2026?

SKM filed a SCHEDULE 13G/A (SEC filing). Wellington Management Group LLP and affiliated entities filed a joint filing agreement as part of an amended Schedule 13G regarding their passive ownership position in SK Telecom Co., Ltd. common stock.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did SKM stock react to this filing?

SKM closed at $35.05 before the filing and $36.71 on Aug 13, 2026 (+4.74%). Five trading days later: $38.74 (+10.53%).

Other SKM SEC filings

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