SCHEDULE 13G 0001545806 XXXXXXXX LIVE Class A ordinary shares, par value US$0.0005 per share 09/30/2025 0001969302 Pony AI Inc. 732908108 1301 Pearl Development Building 1 Mingzhu 1st St, Hengli Twn, Nansha Dist Guangzhou F4 511458 Rule 13d-1(d) IDG China Venture Capital Fund IV L.P. E9 9288115 5985813 9288115 5985813 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P. (2) The value in rows 6 and 8 represents (i) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., (ii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (iii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. IDG China Venture Capital Fund IV Associates L.P. is the general partner of IDG China Venture Capital Fund IV L.P. IDG China Venture Capital Fund GP IV Associates Ltd. is the general partner of IDG China Venture Capital Fund IV Associates L.P. and IDG China IV Investors L.P. IDG China Capital Fund III Associates L.P. is the general partner of IDG China Capital Fund III L.P. IDG China Capital Fund GP III Associates Ltd. is the general partner of IDG China Capital Fund III Associates L.P. and IDG China Capital III Investors L.P. Chi Sing Ho and Quan Zhou are the two directors of IDG China Venture Capital Fund GP IV Associates Ltd. and IDG China Capital Fund GP III Associates Ltd. By virtue of such relationship, IDG China Venture Capital Fund IV L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China IV Investors L.P. E9 1189180 14084748 1189180 14084748 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P. (2) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (iii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. The general partner of IDG China IV Investors L.P. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China IV Investors L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Capital Fund III L.P. E9 4570712 10703216 4570712 10703216 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P. (2) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., and (iii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. The ultimate general partner of IDG China Capital Fund III L.P. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Capital Fund III L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Capital III Investors L.P. E9 225921 15048007 225921 15048007 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. (2) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., and (iii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P. The general partner of IDG China Capital III Investors L.P. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Capital III Investors L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Venture Capital Fund IV Associates L.P. E9 9288115 5985813 9288115 5985813 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P. IDG China Venture Capital Fund IV Associates L.P. is the general partner of IDG China Venture Capital Fund IV L.P. By virtue of such relationship, IDG China Venture Capital Fund IV Associates L.P. may be deemed to have sole voting and dispositive power with respect to these shares. (2) The value in rows 6 and 8 represents (i) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., (ii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (iii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. The general partner of IDG China Venture Capital Fund IV Associates L.P. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Venture Capital Fund IV Associates L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Venture Capital Fund GP IV Associates Ltd. E9 10477295 4796633 10477295 4796633 15273928 N 4.3 CO (1) The value in rows 5 and 7 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., and (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P. IDG China Venture Capital Fund GP IV Associates Ltd. is the ultimate general partner of IDG China Venture Capital Fund IV L.P. and the general partner of IDG China IV Investors L.P. By virtue of such relationship, IDG China Venture Capital Fund GP IV Associates Ltd. may be deemed to have sole voting and dispositive power with respect to these shares. (2) The value in rows 6 and 8 represents (i) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (ii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. IDG China Venture Capital Fund GP IV Associates Ltd. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Venture Capital Fund GP IV Associates Ltd. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Capital Fund III Associates L.P. E9 4570712 10703216 4570712 10703216 15273928 N 4.3 PN (1) The value in rows 5 and 7 represents 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P. IDG China Capital Fund III Associates L.P. is the general partner of IDG China Capital Fund III L.P. By virtue of such relationship, IDG China Capital Fund III Associates L.P. may be deemed to have sole voting and dispositive power with respect to these shares. (2) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., and (iii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. The general partner of IDG China Capital Fund III Associates L.P. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Capital Fund III Associates L.P. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. IDG China Capital Fund GP III Associates Ltd. E9 4796633 10477295 4796633 10477295 15273928 N 4.3 CO (1) The value in rows 5 and 7 represents (i) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (ii) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. IDG China Capital Fund GP III Associates Ltd. is the ultimate general partner of IDG China Capital Fund III L.P. and the general partner of IDG China Capital III Investors L.P. By virtue of such relationship, IDG China Capital Fund GP III Associates Ltd. may be deemed to have sole voting and dispositive power with respect to these shares. (2) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., and (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P. IDG China Capital Fund GP III Associates Ltd. and the general partner or ultimate general partner of these entities have the same directors. By virtue of such relationship, IDG China Capital Fund GP III Associates Ltd. may be deemed to have shared the voting and dispositive power with respect to these shares. (3) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. Zhou Quan X1 0 15273928 0 15273928 15273928 N 4.3 IN (1) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., (iii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (iv) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. Quan Zhou and Chi Sing Ho are the two directors of the general partner or ultimate general partner of such entities. By virtue of such relationship, Quan Zhou may be deemed to have shared voting and dispositive power with respect to these shares. (2) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. Ho Chi Sing Z4 0 15273928 0 15273928 15273928 N 4.3 IN (1) The value in rows 6 and 8 represents (i) 9,288,115 Class A ordinary shares held of record by IDG China Venture Capital Fund IV L.P., (ii) 1,189,180 Class A ordinary shares held of record by IDG China IV Investors L.P., (iii) 4,570,712 Class A ordinary shares held of record by IDG China Capital Fund III L.P., and (iv) 225,921 Class A ordinary shares held of record by IDG China Capital III Investors L.P. Quan Zhou and Chi Sing Ho are the two directors of the general partner or ultimate general partner of such entities. By virtue of such relationship, Chi Sing Ho may be deemed to have shared voting and dispositive power with respect to these shares. (2) Percent of class represented by amount in row (9) is calculated based on an aggregate of 352,452,783 Class A ordinary shares outstanding as of November 10, 2025 as informed by the Issuer. Pony AI Inc. 1301 Pearl Development Building 1, Mingzhu 1st St, Hengli Twn, Nansha Dist, Guangzhou, China, 511458 1. IDG China Venture Capital Fund IV L.P. 2. IDG China IV Investors L.P. 3. IDG China Capital Fund III L.P. 4. IDG China Capital III Investors L.P. 5. IDG China Venture Capital Fund IV Associates L.P. 6. IDG China Venture Capital Fund GP IV Associates Ltd. 7. IDG China Capital Fund III Associates L.P. 8. IDG China Capital Fund GP III Associates Ltd. 9. Quan Zhou 10. Chi Sing Ho For all reporting persons: c/o IDG Capital Management (HK) Limited Unit 5505, The Center 99 Queen's Road Central Hong Kong Quan Zhou is a citizen of the United States of America. Chi Sing Ho is a citizen of Canada. Each of IDG China Venture Capital Fund IV L.P., IDG China IV Investors L.P., IDG China Capital Fund III L.P., IDG China Capital III Investors L.P., IDG China Venture Capital Fund IV Associates L.P., IDG China Venture Capital Fund GP IV Associates Ltd., IDG China Capital Fund III Associates L.P. and IDG China Capital Fund GP III Associates Ltd. is organized under the laws of the Cayman Islands. Y The information for each reporting person contained in Items 5-9 of the cover pages is incorporated herein by reference. Each of the reporting persons disclaims beneficial ownership of the reported securities except to the extent of their pecuniary interest in such securities. The information for each reporting person contained in Item 11 of the cover pages is incorporated herein by reference. The information for each reporting person contained in Item 5 of the cover pages is incorporated herein by reference. The information for each reporting person contained in Item 6 of the cover pages is incorporated herein by reference. The information for each reporting person contained in Item 7 of the cover pages is incorporated herein by reference. The information for each reporting person contained in Item 8 of the cover pages is incorporated herein by reference. N Y Y Y Y Y Y Exhibit 99.1 Joint Filing Agreement IDG China Venture Capital Fund IV L.P. /s/ Quan Zhou on behalf of IDG China Venture Capital Fund GP IV Associates Ltd., ultimate General Partner of IDG China Venture Capital Fund IV L.P. 11/12/2025 IDG China IV Investors L.P. /s/ Quan Zhou on behalf of IDG China Venture Capital Fund GP IV Associates Ltd., General Partner of IDG China IV Investors L.P. 11/12/2025 IDG China Capital Fund III L.P. /s/ Quan Zhou on behalf of IDG China Capital Fund GP III Associates Ltd., ultimate General Partner of IDG China Capital Fund III L.P. 11/12/2025 IDG China Capital III Investors L.P. /s/ Quan Zhou on behalf of IDG China Capital Fund GP III Associates Ltd., General Partner of IDG China Capital III Investors L.P. 11/12/2025 IDG China Venture Capital Fund IV Associates L.P. /s/ Quan Zhou on behalf of IDG China Venture Capital Fund GP IV Associates Ltd., General Partner of IDG China Venture Capital Fund IV Associates L.P. 11/12/2025 IDG China Venture Capital Fund GP IV Associates Ltd. /s/ Quan Zhou 11/12/2025 IDG China Capital Fund III Associates L.P. /s/ Quan Zhou on behalf of IDG China Capital Fund GP III Associates Ltd., General Partner of IDG China Capital Fund III Associates L.P. 11/12/2025 IDG China Capital Fund GP III Associates Ltd. /s/ Quan Zhou 11/12/2025 Zhou Quan /s/ Quan Zhou 11/12/2025 Ho Chi Sing /s/ Chi Sing Ho 11/12/2025