This is a standard Form 3 filing with no trading activity or material change. Monitor for any subsequent Form 4 filings or business combination announcements from this SPAC.
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Executive Summary
Paul Yoonku Cho filed a Form 3 initial statement of beneficial ownership with Keystone Acquisition Corp. (KEYY), a blank-check company. The filing reports 25,000 Class A Ordinary Shares held indirectly and discloses ownership of Class B Ordinary Shares (amount not specified) that are convertible into Class A shares. This is a routine initial ownership disclosure with no material financial impact.
Key Facts
- Paul Yoonku Cho filed Form 3 as an initial statement of beneficial ownership.
- Cho reports indirect beneficial ownership of 25,000 Class A Ordinary Shares.
- Cho also holds Class B Ordinary Shares (amount not specified) convertible into Class A shares per the S-1 registration statement.
- The filing includes a power of attorney authorizing multiple individuals to file SEC reports on Cho's behalf.
- Keystone Acquisition Corp. is classified as a blank-check company (SIC 6770).
Financial Impact
No financial impact — routine initial ownership disclosure for a blank-check company insider.
Risk Factors
- No material risks identified from this filing.
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 3 Filing (Primary) | 0001213900-26-064388 |
| Document: 0001213900-26-064388-index-headers.html | 0001213900-26-064388 |
| Document: 0001213900-26-064388-index.html | 0001213900-26-064388 |
| Document: 0001213900-26-064388.txt | 0001213900-26-064388 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Jun 18, 2026 18w ago | Press Release | — | awaiting T+20 | — | — |
Jun 18, 2026 18w ago | 8-K | — | awaiting T+20 | — | — |
Jun 4, 2026 20w ago | Press Release | — | awaiting T+20 | — | — |
Jun 3, 2026 20w ago | 424B4 | — | awaiting T+20 | — | — |
Jun 3, 2026 20w ago | EFFECT | — | awaiting T+20 | — | — |
Jun 2, 2026 20w ago | 3 | — | awaiting T+20 | — | — |
Jun 2, 2026 20w ago | 3 | — | awaiting T+20 | — | — |
Jun 2, 2026 20w ago | 3 | — | awaiting T+20 | — | — |
Jun 2, 2026 20w ago | 3 | — | awaiting T+20 | — | — |
Jun 2, 2026 20w ago | Press Release | — | awaiting T+20 | — | — |
US Market Status
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