secwatch.observer — SEC 8-K summary ====================================== Issuer: SilverBox Corp IV (SBXD) CIK: 0002015947 Form: 8-K Filed at: 2025-12-04T23:59:59+00:00 Accession: 0001104659-25-118459 Event type: m_and_a Sentiment: positive Materiality: 0.60 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Parataxis Holdings to acquire control of Sinsiway (KOSDAQ:290560) for up to KRW 35B; creates Ethereum treasury company -------------------------------------------------------------------------------- - Definitive agreement: Parataxis Holdings acquires controlling interest in Sinsiway Co. Ltd. for up to KRW 35 billion. - Sinsiway to rename to Parataxis ETH, Inc., remain listed on KOSDAQ as South Korea's first Ethereum-based treasury platform. - Edward Chin (Parataxis Capital) joins board; Michael Myunghoon Lee appointed CEO of the combined company. - Transaction closing expected after shareholder meeting in January 2026; subject to conditions. - Parataxis already launched a Bitcoin treasury platform (Parataxis Korea); this adds separate Ethereum-focused structure. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2015947/000110465925118459/0001104659-25-118459-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2015947/000110465925118459/tm2524487d14_8k.htm HTML page: https://secwatch.observer/filing/0001104659-25-118459 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer