Silverbox Corp IV received an Amendment No. 2 to a Schedule 13G from a group of affiliated Sculptor Capital entities regarding its Class A ordinary shares. The filing is dated as of the event on 12/31/2025.
Sculptor Capital LP, Sculptor Capital II LP, Sculptor Capital Holding Corporation, Sculptor Capital Holding II LLC, Sculptor Capital Management, Inc., Sculptor Master Fund, Ltd., and Sculptor Special Funding, LP each report beneficial ownership of 0 Class A ordinary shares, representing 0% of the class. All report 0 shares with sole or shared voting and dispositive power.
The percentage calculations are based on 20,455,000 Class A ordinary shares, as set forth in Silverbox Corp IV’s 10-Q filed on November 12, 2025. The reporting group certifies the securities were not acquired or held to change or influence control of the issuer.
Positive
None.
Negative
None.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 2)
Silverbox Corp IV
(Name of Issuer)
Class A ordinary shares, par value $0.0001 per share
(Title of Class of Securities)
G81354113
(CUSIP Number)
12/31/2025
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Capital LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: Sculptor Capital LP ("Sculptor"), a Delaware limited partnership, is the principal investment manager to a number of private funds and discretionary accounts (collectively, the "Accounts").
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Capital II LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
IA
Comment for Type of Reporting Person: Sculptor Capital II LP ("Sculptor-II"), a Delaware limited partnership that is wholly owned by Sculptor, also serves as the investment manager to certain of the Accounts. The Ordinary Shares reported in this Schedule 13G are held in the Account(s) managed by Sculptor and Sculptor-II.
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Capital Holding Corp
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Sculptor Capital Holding Corporation ("SCHC"), a Delaware corporation, serves as the general partner of Sculptor.
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Capital Holding II LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Sculptor Capital Holding II LLC ("SCHC-II"), a Delaware limited liability company that is wholly owned by Sculptor, serves as the general partner of Sculptor-II.
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Capital Management, Inc.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Sculptor Capital Management, Inc. ("SCU"), a Delaware limited liability company, is a holding company that is the sole shareholder of SCHC and the ultimate parent company of Sculptor and Sculptor-II.
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Master Fund, Ltd.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Sculptor Master Fund, Ltd. ("SCMF") is a Cayman Islands company. Sculptor is the investment adviser to SCMF.
SCHEDULE 13G
CUSIP No.
G81354113
1
Names of Reporting Persons
Sculptor Special Funding, LP
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
CAYMAN ISLANDS
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
0.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
0 %
12
Type of Reporting Person (See Instructions)
CO
Comment for Type of Reporting Person: Sculptor Special Funding, LP ("NRMD") is a Cayman Islands exempted limited partnership that is wholly owned by SCMF.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Silverbox Corp IV
(b)
Address of issuer's principal executive offices:
8701 Bee Cave Road, East Building, Suite 310, Autin, TX, 78746
Item 2.
(a)
Name of person filing:
Sculptor Capital LP
(b)
Address or principal business office or, if none, residence:
9 West 57th Street, 40th Floor, New York, NY 10019
(c)
Citizenship:
Delaware
(d)
Title of class of securities:
Class A ordinary shares, par value $0.0001 per share
(e)
CUSIP No.:
G81354113
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
0
(b)
Percent of class:
0%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
0
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
0
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
Sculptor and Sculptor-II serve as the principal investment managers to the Accounts and thus may be deemed beneficial owners of the Units/Ordinary Shares in the Accounts managed by Sculptor and Sculptor-II. SCHC-II serves as the sole general partner of Sculptor-II and is wholly owned by Sculptor. SCHC serves as the sole general partner of Sculptor. As such, SCHC and SCHC-II may be deemed to control Sculptor as well as Sculptor-II and, therefore, may be deemed to be the beneficial owners of the Ordinary Shares reported in this Schedule 13G. SCU is the sole shareholder of SCHC, and, for purposes of this Schedule 13G, may be deemed a beneficial owner of the Ordinary Shares reported herein.
In accordance with SEC Release No. 34-39538 (January 12, 1998) (the "Release"), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of Sculptor Capital LP and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with the Release.
The percentages reported in this Schedule 13G have been calculated based on 20,455,000 Class A ordinary shares, as set forth in the Issuer's 10-Q filed November 12th, 2025.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
See Item 6
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
What does Sculptor Capital report in its Schedule 13G/A for SBXD?
Sculptor Capital and related entities report beneficial ownership of 0 Class A ordinary shares of Silverbox Corp IV, representing 0% of the class. They list no sole or shared voting or dispositive power over the issuer’s Class A ordinary shares.
Which Sculptor entities are listed as reporting persons for Silverbox Corp IV (SBXD)?
The filing lists Sculptor Capital LP, Sculptor Capital II LP, Sculptor Capital Holding Corporation, Sculptor Capital Holding II LLC, Sculptor Capital Management, Inc., Sculptor Master Fund, Ltd., and Sculptor Special Funding, LP as reporting persons for the Class A ordinary shares of Silverbox Corp IV.
What percentage of Silverbox Corp IV’s Class A shares does Sculptor Capital own?
The filing states Sculptor Capital and its affiliated reporting entities beneficially own 0% of Silverbox Corp IV’s Class A ordinary shares. Each reports an aggregate beneficial ownership amount of 0 shares with no voting or dispositive power over the securities.
How many Silverbox Corp IV Class A shares are used to calculate ownership percentages?
Ownership percentages are calculated using 20,455,000 Class A ordinary shares, the amount set forth in Silverbox Corp IV’s Form 10-Q filed on November 12, 2025. Sculptor’s reported 0-share position therefore corresponds to a 0% ownership of this share count.
What is the stated purpose of holding Silverbox Corp IV securities in this 13G/A?
The certification states the securities were not acquired and are not held for the purpose or effect of changing or influencing control of Silverbox Corp IV, other than activities solely in connection with a nomination under Rule 240.14a-11 of the Exchange Act.
Who signed the Schedule 13G/A amendment for Sculptor related to Silverbox Corp IV (SBXD)?
The amendment is signed multiple times by Ellen Conti, identified as Chief Financial Officer. Each signature block includes the same name and title with a signature date of 02/13/2026, certifying the accuracy and completeness of the information provided.
