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425 ·Filed May 4, 2026
PR

PRTX

Parataxis Holdings Inc.
NEUTRAL
Impact 4/10
Horizonweeks Processed5mo ago SEC0001104659-26-054883
Rule 425 M&A communications
Actionable Insight • Neutral

The 3-month extension indicates potential delays in satisfying closing conditions. Monitor for shareholder approval and regulatory updates. If conditions are not met by the new deadline, the deal could terminate.

DirectionNeutral
Confidencehigh
Horizonweeks

Price Chart

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Executive Summary

SilverBox Corp IV and Parataxis Holdings amended their business combination agreement to extend the outside closing date from May 6, 2026 to August 6, 2026. The extension suggests closing conditions are not yet satisfied but does not alter deal terms. No financial details or opposition were disclosed.

Key Financial Metrics

Deal Type
merger

Key Facts

  • First Amendment to Business Combination Agreement signed May 1, 2026
  • Outside Date extended from May 6, 2026 to August 6, 2026
  • All other terms of the original agreement remain unchanged

Financial Impact

No financial impact disclosed; extension is procedural.

Risk Factors

  • Deal may not close if conditions remain unsatisfied by August 6, 2026
  • Shareholder redemptions could reduce available trust proceeds
  • Market conditions or regulatory hurdles may further delay completion

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
425 Filing (Primary)0001104659-26-054883
Document: tm2613455d1_ex2-1.htm0001104659-26-054883
Document: 0001104659-26-054883-index-headers.html0001104659-26-054883
Document: 0001104659-26-054883-index.html0001104659-26-054883
Document: 0001104659-26-054883.txt0001104659-26-054883
2 reports for PRTX
Performance horizon
Filters
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Reports for PRTX, sortable and filterable
TypeNow
Aug 5, 2026
11w ago
425
NEUTRAL ★ 4/10
No priceawaiting T+20awaiting T+20No price
May 4, 2026
25w ago
425
NEUTRAL ★ 4/10
No priceawaiting T+20awaiting T+20No price
Showing 2 of 2

US Market Status

Market Closed · Opens in 4h 13m

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Report published May 4, 2026