KEYY Keystone Acquisition Corp.

NEUTRAL Impact: 1/10 3
Horizon immediate Filed Jun 3, 2026 Processed 10d 6h ago SEC 0001213900-26-064383
Form 3 — initial insider ownership statement

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Executive Summary

Richard Chin filed a Form 3 initial statement of beneficial ownership with the SEC, reporting no securities owned (0 shares) in Keystone Acquisition Corp., a blank-check company. He also filed a power of attorney authorizing multiple individuals to handle future SEC filings on his behalf. This is a routine administrative filing by an insider with no trading or economic impact.

Actionable Insight

No trading signal. This is a standard initial ownership filing by a newly appointed officer. Monitor for future Form 4 filings if Chin acquires shares or for a business combination announcement from this SPAC.

Key Facts

  • Richard Chin filed a Form 3 initial statement of beneficial ownership with the SEC on June 2, 2026.
  • The filing reports 0 shares beneficially owned by Chin in Keystone Acquisition Corp.
  • Chin is listed as Chief Executive Officer of the issuer.
  • A power of attorney was filed authorizing Stephen C. Ashley, Christopher Wing, Claudia Hanover, Desiré Castillo, and Laiema Ellison to act as attorneys-in-fact for SEC filings.
  • Keystone Acquisition Corp. is classified as a blank-check company (SIC 6770).

Financial Impact

No financial impact — zero shares reported, no transactions.

Risk Factors

  • No material risks identified from this filing.

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
3 Filing (Primary)0001213900-26-064383
Document: 0001213900-26-064383-index-headers.html0001213900-26-064383
Document: 0001213900-26-064383-index.html0001213900-26-064383
Document: 0001213900-26-064383.txt0001213900-26-064383
9 reports for KEYY
Performance horizon
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Reports for KEYY — sortable, filterable
Type Now
Jun 5, 2026
8d ago
Press Release
NEUTRAL ★ 5/10
awaiting T+20
Jun 3, 2026
9d ago
424B4
NEUTRAL ★ 5/10
awaiting T+20
Jun 3, 2026
10d ago
EFFECT
NEUTRAL ★ 5/10
awaiting T+20
Jun 3, 2026
10d ago
3
NEUTRAL ★ 2/10
awaiting T+20
Jun 3, 2026
10d ago
3
NEUTRAL ★ 2/10
awaiting T+20
Jun 3, 2026
10d ago
3
NEUTRAL ★ 2/10
awaiting T+20
Jun 3, 2026
10d ago
3
NEUTRAL ★ 1/10
awaiting T+20
Jun 2, 2026
10d ago
Press Release
NEUTRAL ★ 4/10
awaiting T+20
May 28, 2026
15d ago
S-1/A
NEUTRAL ★ 5/10
awaiting T+20
Showing 9 of 9

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Market Closed — Opens Mon (53h 12m)

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