SilverBox Corp IV (SBXD) Form 8-K — Aug 5, 2026

$SBXDForm 8-KItems 1.01, 9.01Filed Aug 5, 2026, 7:06 AM ET0001104659-26-090712Original filing

SilverBox Corp IV (NYSE: SBXD) disclosed that on August 4, 2026, the parties to its pending business combination with Parataxis Holdings executed a Second Amendment to the Business Combination Agreement, extending the Outside Date from August 6, 2026 to December 31, 2026. The amendment changes the deal timeline only, with no change to the transaction's terms or structure. The amendment also allows SBXD and Parataxis, by written notice, to further extend the Outside Date if SBXD obtains an extension of its own deadline to consummate its initial business combination. The deal remains subject to the pending S-4 registration statement (No.

Key figures

First Amendment Date: 2026-05-01
Extended Outside Date: 2026-12-31
Original Outside Date: 2026-08-06
Second Amendment Date: 2026-08-04
Warrant Exercise Price Usd: 11.5
Business Combination Agreement Date: 2025-08-06

Price after filing

1 day: -0.0%7 days: -0.3%30 days: +0.1%

Close on the filing date to close N calendar days later (from $10.86). Historical, not a forecast.

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