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SilverBox Corp IV

SBXDF on OTC, formerly SBXDBlank checks

OTC listing: 1 notice since Sep 2026 (newest Sep 25)

Net income $1.7M in the quarter ended Jun 30, 2026, from a 10-Q filed .

Next: 10-Q expected ~Nov 12 (deadline Nov 16)

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Legal name
SilverBox Corp IV
CIK
2015947
Sector
Blank-check companies (SPACs)

Notable25-NSE filed

SilverBox Corp IV delisted

  • Form 25-NSE filed on Oct 13, 2026
  • Securities removed from NYSE on Oct 26, 2026
  • Market cap below $40M for 30 days

Read the 25-NSE on EDGARTables over time

Get an email when SilverBox Corp IV files

Only major filings: results, leadership changes, listing notices and other major events, each with the plain-English summary when we have one or the key facts and the EDGAR link. Routine insider filings never email. Confirm once; unsubscribe in one click.

All filings

Latest: the 32 newest filings, key filings first. Each other tab counts its kind among the 92 most recent EDGAR filings.

Results, 8-Ks and Major or Notable filings come first, then registrations and share actions, then everything else, newest first. Routine filings are kept here unmarked; insider filings are summed up in one line.

Results, 8-Ks and key filings

  9. 6 older filings, Mar 19 to Oct 4, 2024
    5. 2 more 8-K filings, Sep 4, 2025 to Oct 4, 2024

Financing and share filings

Other filings

  9. 8 older filings, Feb 13 to Aug 14, 2025

Older filings on EDGAR

Results 9

DateFormWhat it is
Aug 12, 202610-QQuarter ended Jun 30, 2026: net income $1.7M
May 15, 202610-QQuarter ended Mar 31, 2026: net income $1.4M
Mar 19, 202610-KYear ended Dec 31, 2025: net income $5.7M
Nov 12, 202510-QQuarter ended Sep 30, 2025: net income $638K
Aug 12, 202510-QQuarter ended Jun 30, 2025: net income $1.5M
May 13, 202510-QQuarter ended Mar 31, 2025: net income $1.9M
Mar 13, 202510-KYear ended Dec 31, 2024
Nov 12, 202410-QQuarter ended Sep 30, 2024: net income $1.4M

1 older results filings on EDGAR.

Offerings and dilution 8

DateFormWhat it is
Aug 7, 20258-K/ASilverBox Corp IV signs a material agreement and sells unregistered shares (amended)

Key exhibits: Material contract (EX-10.7), Material contract (EX-10.8)

Aug 7, 20258-KSilverBox Corp IV signs a material agreement, sells unregistered shares and makes a Regulation FD disclosure

Key exhibits: Material contract (EX-10.1), Material contract (EX-10.2), Material contract (EX-10.3), Material contract (EX-10.4), Material contract (EX-10.5), Material contract (EX-10.6), Press release (EX-99.1)

Aug 19, 20248-K + 424B4Financing: agreement and unregistered share sale (8-K) with a 424B4 prospectus filed a day apart
Aug 15, 2024EFFECTRegistration declared effective
Aug 9, 2024S-1/ARegistration for a share sale (amended)
Aug 5, 2024S-1/ARegistration for a share sale (amended)
Jul 23, 2024S-1/ARegistration for a share sale (amended)
Jun 18, 2024S-1Registration for a share sale

Insiders 9

DateFormWhat it is
Jul 2, 2025Form 3New insider
Sep 23, 2024Form 3New insider
Aug 15, 2024Form 3New insider
Aug 15, 2024Form 3New insider
Aug 15, 2024Form 3New insider
Aug 15, 2024Form 3New insider
Aug 15, 2024Form 3New insider
Aug 15, 2024Form 3New insider

1 older insiders filings on EDGAR.

Ownership 29

DateFormWhat it is
Oct 9, 2026Schedule 13GPassive stake of 5% or more
Aug 12, 2026Schedule 13G/APassive stake of 5% or more (amended)
Aug 6, 2026Schedule 13G/APassive stake of 5% or more (amended)
May 14, 2026Schedule 13GPassive stake of 5% or more
May 8, 2026Schedule 13G/APassive stake of 5% or more (amended)
Feb 13, 2026Schedule 13G/APassive stake of 5% or more (amended)
Feb 12, 2026Schedule 13GPassive stake of 5% or more
Feb 11, 2026Schedule 13GPassive stake of 5% or more

21 older ownership filings on EDGAR.

Governance 5

DateFormWhat it is
Jul 31, 2026DEFA14AAdditional proxy materials
Jul 17, 2026DEF 14AProxy statement
Jul 7, 2026PRE 14APreliminary proxy statement
Jun 27, 20258-KReports an executive or board change
Sep 23, 20248-KReports an executive or board change

Other 29

DateFormWhat it is
Sep 28, 20268-KSilverBox Corp IV discloses other events
Aug 5, 20268-KSilverBox Corp IV, a Cayman Islands exempted company, Parataxis Holdings Inc.
May 12, 20268-KSilverBox Corp IV makes a Regulation FD disclosure

Key exhibits: Press release (EX-99.1)

May 4, 20268-KSilverBox Corp IV, a Cayman Islands exempted company, Parataxis Holdings Inc.
Feb 4, 2026425Merger communication
Dec 4, 20258-KParataxis Holdings LLC Announces Definitive Agreement with Sinsiway Co. Ltd. (KOSDAQ

Key exhibits: Press release (EX-99.1)

Nov 6, 20258-KSilverBox Corp IV signs a material agreement
Oct 15, 2025425Merger communication

21 older other filings on EDGAR.

Listing compliance

0 open of 1 listing notice from 8-K item 3.01.

  • Sep 25, 2026 8-K item 3.01 notice; rule and cure date not stated, see the filing

Dates and rules are as stated in each 8-K item 3.01 filing; a blank means the filing did not state one. Read the filing for the full terms. All open notices

Trading halts

Exchange-listed stocks only: SBXDF trades OTC, so its halts are not covered. SEC Tracker has read the Nasdaq Trader feed since Feb 22, 2019.

Halt times and codes from the Nasdaq Trader trade halts feed, which lists Nasdaq and other exchange halts. Filings matched by SEC Tracker from EDGAR by company and time. Not investment advice. All recent halts

Coming up

  1. 10-Q, expected (deadline Nov 16)

Stated dates are as each filing on EDGAR gives them; an expected date is estimated from the company's past filing dates, the same estimate as the top of the page. Not investment advice.

SilverBox Corp IV shares and listing

From the company's own filings; each row names its source. Not investment advice.

  • Listing compliance8-K item 3.011 noticestatus not stated, see the filings

Stakes SilverBox Corp IV reports in other companies

Filings SilverBox Corp IV made as a holder or insider of another company. They are about that company, not SilverBox Corp IV.

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