Current report

Document And Entity Information

v3.25.4
Document And Entity Information
Feb. 20, 2026
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 20, 2026
Entity Registrant Name Inogen Inc
Entity Central Index Key 0001294133
Entity Emerging Growth Company false
Entity File Number 001-36309
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 33-0989359
Entity Address, Address Line One 500 Cummings Center
Entity Address, Address Line Two Suite 2800
Entity Address, City or Town Beverly
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01915
City Area Code (805)
Local Phone Number 562-0500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol INGN
Security Exchange Name NASDAQ
Former Address [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 859 Ward Drive
Entity Address, City or Town Goleta,
Entity Address, State or Province CA
Entity Address, Postal Zip Code 93111