Plum Acquisition Corp. III (PLMJ) SC 13G/APlum Acquisition Corp. III / Apollo Management Holdings GP ownership change

SCHEDULE 13G

(Amendment No. 2)*

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

^* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Alpha Partners Technology Merger Corp.

Empire State Building

20 West 34^th Street, Suite 4215

New York, NY, 10001

This statement is filed by (i) Apollo SPAC Fund I, L.P. (“SPAC Fund I”); (ii) Apollo SPAC Management I, L.P. (“SPAC Management I”); (iii) Apollo SPAC Management I GP, LLC (“SPAC Management I GP”); (iv) Apollo Credit Strategies Master Fund Ltd. (“Credit Strategies”); (v) Apollo ST Fund Management LLC (“ST Management”); (vi) Apollo ST Operating LP (“ST Operating”); (vii) Apollo ST Capital LLC (“ST Capital”); (viii) ST Management Holdings, LLC (“ST Management Holdings”); (ix) Apollo Capital Management, L.P. (“Capital Management”); (x) Apollo Capital Management GP, LLC (“Capital Management GP”); (xi) Apollo Management Holdings, L.P. (“Management Holdings”); (xii) Apollo Management Holdings GP, LLC (“Management Holdings GP”). The foregoing are collectively referred to herein as the “Reporting Persons.”

Credit Strategies holds securities of the Issuer. SPAC Fund I held, but no longer holds, securities of the Issuer.

SPAC Management I serves as the investment manager for SPAC Fund I. The general partner of SPAC Management I is SPAC Management I GP. ST Management serves as the investment manager for Credit Strategies. ST Operating is the sole member of ST Management. The general partner of ST Operating is ST Capital. ST Management Holdings is the sole member of ST Capital.

Capital Management serves as the sole member of SPAC Management I GP and as the sole member and manager of ST Management Holdings. Capital Management GP serves as the general partner of Capital Management. Management Holdings serves as the sole member and manager of Capital Management GP, and Management Holdings GP serves as the general partner of Management Holdings.

The principal office of SPAC Fund I is 100 West Putnam Avenue, Greenwich, Connecticut 06830. The principal office of Credit Strategies is c/o Walkers Corporate Limited, Cayman Corporate Centre, 27 Hospital Road, George Town, Grand Cayman, KY-9008, Cayman Islands. The principal office of each of ST Management, ST Operating, ST Capital, ST Management Holdings, SPAC Management I, SPAC Management I GP, Capital Management, Capital Management GP, Management Holdings, and Management Holdings GP is 9 W. 57^th Street, 43^rd Floor, New York, New York 10019.

Credit Strategies and ST Management Holdings are each an exempted company incorporated in the Cayman Islands with limited liability. SPAC Fund I is a Cayman Islands exempted limited partnership. ST Management, ST Capital, SPAC Management I GP, Capital Management GP, and Management Holdings GP are each a Delaware limited liability company. ST Operating, SPAC Management I, Capital Management, and Management Holdings are each a Delaware limited partnership.

Class A ordinary share, par value $0.0001 per share (the “Ordinary Share”).

G63290103

Not applicable.

Beneficial ownership information is reported as of December 31, 2023.

ST Management, ST Operating, ST Capital, ST Management Holdings, Capital Management, Capital Management GP, Management Holdings and Management Holdings GP, and Messrs. Scott Kleinman, James Zelter and Marc Rowan, the managers, as well as executive officers, of Management Holdings GP, each disclaims beneficial ownership of all shares of Common Stock included in this report, 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.

The percentages are based on 15,582,409 Ordinary Shares outstanding as of January 3, 2024, as disclosed in the Issuer’s definitive proxy statement filed on January 10, 2024.

0 for all Reporting Persons

0 for all Reporting Persons

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: ¨

Not applicable.

Not applicable.

Not applicable.

Not applicable.

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.

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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.

Date: February 13, 2024