Company: SBXD
Filing Date: 2025-06-20
Form Type: 8-K
Source: 0001104659-25-061082
Chunk: 0

Company: SilverBox Corp IV
Filing Date: 2025-06-20
Form: 8-K
Item: Item 7.01
Chunk 0
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Item 7.01
Regulation FD Disclosure.

As previously
announced on June 9, 2025, SilverBox Corp IV (“ SBXD”) and Parataxis Holdings LLC (“ Parataxis Holdings”) entered
into a non-binding letter of intent for a potential business combination. On June 20, 2025, Parataxis Holdings issued a press release
announcing a definitive agreement to acquire a controlling interest in Bridge Biotherapeutics, Inc., a Korean company listed on the
KOSDAQ. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated by reference herein.

In addition,
the following is a LinkedIn post by Joseph E. Reece, Founder Partner of SBXD:

Parataxis Holdings announces
definitive agreement to establish a Bitcoin treasury company in South Korea

Read
the press release of Parataxis Holdings here: Parataxis Holdings LLC Announces Definitive Agreement with Bridge Biotherapeutics, Inc.
(KOSDAQ: 288330), to Bring Institutionally-Backed, Bitcoin Treasury Company to the South Korean Public Markets.