Highest-materiality recent filing
SilverBox Corp IV SPAC to merge with Parataxis Holdings, a digital asset manager focused on Korea
Business Combination Agreement dated Aug 5, 2025, amended May 1, 2026.
SilverBox Corp IV extends business combination deadline with Parataxis to August 6, 2026
First Amendment to Business Combination Agreement extends Outside Date from May 6, 2026 to August 6, 2026.
Definitive agreement: Parataxis Holdings acquires controlling interest in Sinsiway Co. Ltd. for up to KRW 35 billion.
SilverBox Corp IV amends Preferred Equity Subscription Agreements to allow Bitcoin collateralization
Amendment removes prohibition on pledging Bitcoin purchased with $31M preferred equity proceeds.
SilverBox Corp IV: S-4 filed for business combination with Parataxis
Parataxis Holdings Inc. filed an S-4 Registration Statement with the SEC on Sept 3, 2025, for the proposed combination with SilverBox Corp IV.
SilverBox Corp IV (SBXD) will merge with Parataxis Holdings LLC; Pubco will become publicly traded on NYSE/Nasdaq.
SilverBox Corp IV signs definitive merger with Parataxis Holdings; Edward Chin gets 80% voting power
Base enterprise value of $100M; exchange ratio derived from $10 per unit, with additional adjustment for Bitcoin price appreciation.
SilverBox Corp IV director Matthew Eilers resigns; Glenn Marino appointed to board
Eilers resigned effective June 25, 2025, to avoid appearance of conflict due to new role at an investment bank.
Parataxis definitively acquires control of Bridge Bio for KRW 25B to create Bitcoin treasury company
Parataxis Holdings to invest KRW 25 billion for controlling interest in Bridge Biotherapeutics (KOSDAQ: 288330).
SBXD and Parataxis Holdings entered a non-binding LOI for a business combination to list a Bitcoin-native capital platform publicly.
SilverBox Corp IV allows separate trading of Class A shares and warrants starting Oct 7
Holders of units may separate them into Class A ordinary shares and warrants effective October 7, 2024.
SilverBox Corp IV appoints Reed Seaton to Board of Directors
Reed Seaton, age 63, founded Hellas Construction (CEO until May 2024); company had $625M revenue in 2023.
SilverBox Corp IV completes 20M-unit SPAC IPO; $201M held in trust
Sold 20,000,000 units at $10.00 per unit in IPO, plus 455,000 units in private placement at $10.00 each.
SilverBox Corp IV prices $200M IPO of 20M units at $10/unit, begins NYSE listing
IPO of 20,000,000 units at $10.00/unit grossed $200M before expenses and underwriter discounts.
Effective September 23, 2024, the Board of Directors (the “Board”) of SilverBox Corp IV (the “Company”) appointed Reed Seaton to the Board as a director of the Company.
On August 15, 2024, in connection with the IPO Matthew Eilers, Jonathan Lewis and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”).
On August 15, 2024, in connection with the IPO Matthew Eilers, Jonathan Lewis and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”).
On August 15, 2024, in connection with the IPO Matthew Eilers, Jonathan Lewis and Daniel E. Esters (the “ New Directors ” and, collectively with Stephen Kadenacy, the “ Directors ”) were appointed to the board of directors of the Company (the “ Board ”).
Max materiality 0.85 · Median 0.55 · Most common event other_material