Apollo Principal Holdings B, L.P. - 29 Jan 2026 Form 4 Insider Report for Apollo S3 Private Markets Fund

Role
10%+ Owner
Signature
Apollo Principal Holdings B, L.P., By: Apollo Principal Holdings B GP, LLC, its general partner, Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel
Issuer symbol
N/A
Transactions as of
29 Jan 2026
Net transactions value
$0
Form type
4
Filing time
30 Jan 2026, 17:38:27 UTC
Previous filing
18 Nov 2025
Next filing
04 Mar 2026

Reporting Owners (7)

Name Relationship Address Signature Signature date CIK
Apollo Principal Holdings B, L.P. 10%+ Owner 9 W. 57TH STREET, 41ST FLOOR, NEW YORK Apollo Principal Holdings B, L.P., By: Apollo Principal Holdings B GP, LLC, its general partner, Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel 30 Jan 2026 0001968376
Apollo Principal Holdings B GP, LLC 10%+ Owner 9 W. 57TH STREET, 41ST FLOOR, NEW YORK Apollo Principal Holdings B GP, LLC, Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel 30 Jan 2026 0002011937
APO Corp. 10%+ Owner 100 WEST PUTNAM AVENUE, GREENWICH APO Corp., Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel 30 Jan 2026 0002012136
Apollo S3 Holdings (ASPM AIV), L.P. 10%+ Owner 9 W. 57TH STREET, 42ND FLOOR, NEW YORK Apollo S3 Holdings (ASPM AIV), L.P., By: Apollo S3 Advisors, L.P., its general partner, By: Sliders Advisors GP, LLC, its general partner, By: /s/ James Elworth, Name: James Elworth, Title: Vice President 30 Jan 2026 0002039363
Apollo S3 Advisors, L.P. 10%+ Owner 190 ELGIN AVENUE, GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS APH Holdings (DC), L.P., By: Apollo Principal Holdings B GP, LLC, its general partner, By: /s/ Kristin Hester, Name: Kristin Hester, Title: Vice President 30 Jan 2026 0002041428
Sliders Advisors GP, LLC 10%+ Owner 9 W. 57TH STREET, 42ND FLOOR, NEW YORK Apollo Principal Holdings B, L.P., By: Apollo Principal Holdings B GP, LLC, its general partner, Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel 30 Jan 2026 0002041342
APH Holdings (DC), L.P. 10%+ Owner C/O WALKERS CORPORATE LIMITED, 190 ELGIN AVENUE, GEORGE TOWN, GRAND CAYMAN, CAYMAN ISLANDS Apollo Principal Holdings B, L.P., By: Apollo Principal Holdings B GP, LLC, its general partner, Name: William B. Kuesel, Title: Vice President, /s/ William B. Kuesel 30 Jan 2026 0002021690

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction Class I Shares of Beneficial Ownership Other $0 -23,602 -2% $0.000000 1,177,335 29 Jan 2026 See Footnote F1, F2, F4
transaction Class I Shares of Beneficial Ownership Other $0 +5,063 +0.25% $0.000000 2,030,074 29 Jan 2026 See Footnotes F3, F4, F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Apollo S3 RIC Management, L.P. (the "Adviser") and/or its affiliates may purchase shares on behalf of investors (or deliver to such investors shares from the assets of the Adviser or its affiliates) that contributed capital to Apollo S3 Private Markets Fund (the "Fund") by June 30, 2025, up to 3% of such investors' shares. This transaction reflects a transfer by Apollo Principal Holdings B, L.P., an affiliate of the Adviser, to the eligible investors described above for no consideration.
F2 These securities are held directly by Apollo Principal Holdings B, L.P.
F3 These securities are held directly by Apollo S3 Holdings (ASPM AIV), L.P., which received shares as part of the transaction noted in footnote (1) above. Apollo S3 Advisors, L.P. is the general partner of Apollo S3 Holdings (ASPM AIV), L.P. The general partner of Apollo S3 Advisors, L.P. is Sliders Advisors GP, LLC. The sole member of Sliders Advisors GP, LLC is APH Holdings (DC), L.P.
F4 Apollo Principal Holdings B GP, LLC is the general partner of each of Apollo Principal Holdings B, L.P. and APH Holdings (DC), L.P. The sole member of Apollo Principal Holdings B GP, LLC is APO Corp. Each of Apollo S3 Advisors, L.P., Sliders Advisors GP, LLC, APH Holdings (DC), L.P., Apollo Principal Holdings B, L.P., Apollo Principal Holdings B GP, LLC and APO Corp. disclaims beneficial ownership of these securities, except to the extent of their pecuniary interest therein, if any, and the filing of this report shall not be construed as an admission that any such person or entity is the beneficial owner of any such securities for purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F5 Reflects shares acquired in the transaction noted in footnote (1) above.