---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-026958"
form_type: "8-K"
ticker: "INGN"
cik: "0001294133"
company_name: "Inogen Inc"
filed_at: "2022-12-22T23:59:59+00:00"
generated_at: "2026-06-20T23:52:51.610014+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Inogen abandons TAV ventilator program, expects $53.4M asset write-down in Q4 2022

## Summary
- Ceased development of TAV technology from New Aera; estimates $53.4M loss on disposal of intangible assets.
- Loss on inventory of $0.2-$0.3M, partially offset by $13.6-$13.7M decrease in earnout liability.
- No significant future cash charges expected; disposal to be completed by Dec 31, 2022.
- Decision based on lack of product compatibility, no Medicare reimbursement, and substantial additional investment needed.

## SEC filing metadata
- accession: 0000950170-22-026958
- form_type: 8-K
- ticker: INGN
- cik: 0001294133
- company_name: Inogen Inc
- filed_at: 2022-12-22T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.05
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1294133/000095017022026958/0000950170-22-026958-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1294133/000095017022026958/ingn-20221219.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-026958
- JSON: https://secwatch.observer/filing/0000950170-22-026958.json
- Plain text: https://secwatch.observer/filing/0000950170-22-026958.txt

## Key facts
- Restructurings & Charges
  Inogen Inc announced a impairment with charges of loss on asset disposal of its technology intangible assets of approximately $53.4 million and loss on inventory of $0.2 to $0.3 million affecting technology intangible assets related to Tidal Assist Ventilator (TAV) technology acquired from New Aera.
  - Type: impairment
  - Charge: loss on asset disposal of its technology intangible assets of approximately $53.4 million and loss on inventory of $0.2 to $0.3 million
  - Affected area: technology intangible assets related to Tidal Assist Ventilator (TAV) technology acquired from New Aera
  source text: In connection with the Disposal Determination, the Company estimates it will incur a loss on asset disposal of its technology intangible assets of approximately $53.4 million and loss on inventory of $0.2 to $0.3 million, partially offset by a decrease in the fair value of the Company’s New Aera earnout liability of approximately $13.6 to $13.7 million.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1294133/000095017022026958/0000950170-22-026958-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.