What Individual Investors Don't See Until It's Too Late: A KOSDAQ Disclosure Timeline
There is a particular kind of risk that never appears in a financial statement until it is too late to matter — not because anyone hid it, but because the rules never required it to be shown at the moment it became real. A recent KOSDAQ case reads like a controlled experiment in exactly that. The timeline. In February 2026, Vietnamese customs ordered the core production subsidiary of Seojin System — a KOSDAQ-listed manufacturer — to pay roughly ₩100 billion in back VAT. The subsidiary is not a peripheral entity; it is the group's main production base, and a liability of that size bears directly on the parent's liquidity, operations, and financing. Yet the item did not appear in the first-quarter report at the time. Reporting indicates the risk reached rights-offering investors before it reached the public filing, which was corrected only in June. When asked, Korea's exchange said a subsidiary's tax was not among the enumerated items requiring timely disclosure; the fi...