v3.25.2
Cover
Jul. 15, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 15, 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-40677
Entity Registrant Name Plum Acquisition Corp. III
Entity Central Index Key 0001845550
Entity Tax Identification Number 98-1581691
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 2021 Fillmore St. #2089
Entity Address, City or Town San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94115
City Area Code 929
Local Phone Number 529-7125
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Class A ordinary shares included as part of the Units, par value $0.0001 per share  
Title of 12(b) Security Class A ordinary shares included as part of the Units, par value $0.0001 per share
Trading Symbol PLMJF
Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol PLMWF
Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant to acquire one Class A ordinary share  
Title of 12(b) Security Units, each consisting of one Class A ordinary share and one-third of one redeemable warrant to acquire one Class A ordinary share
Trading Symbol PLMUF