v3.25.1
Cover
Jun. 13, 2025
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 13, 2025
Entity File Number 001-42642
Entity Registrant Name Perimeter Acquisition Corp. I
Entity Central Index Key 0002061473
Entity Tax Identification Number 98-1843886
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 6060 N. Central Express Way
Entity Address, Address Line Two Suite 500
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75204
City Area Code (512)
Local Phone Number 200-2533
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
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant  
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one redeemable warrant
Trading Symbol PMTRU
Security Exchange Name NASDAQ
Class A ordinary shares included as part of the units  
Title of 12(b) Security Class A ordinary shares included as part of the units
Trading Symbol PMTR
Security Exchange Name NASDAQ
Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50  
Title of 12(b) Security Redeemable warrants included as part of the units, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50
Trading Symbol PMTRW
Security Exchange Name NASDAQ