---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-009177"
form_type: "8-K"
ticker: "INGN"
cik: "0001294133"
company_name: "Inogen Inc"
filed_at: "2023-03-22T23:59:59+00:00"
generated_at: "2026-06-17T21:07:13.904676+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Inogen board member Kristen Miranda resigns; Tom West appointed effective April 1, 2023

## Summary
- Kristen Miranda resigned as director effective March 31, 2023; not due to any disagreement with the company.
- Thomas A. West appointed to Board effective April 1, 2023; will serve as Class III director and on Nominating/Governance and Compliance Committees.
- West is President and CEO of Nalu Medical; previously CEO of Intersect ENT and held senior roles at Hologic and Johnson & Johnson.
- West receives annual cash fees of $45,000 for Board service and $5,000 per committee, plus initial RSU award of 1,712 shares vesting by June 8, 2023.
- Appointment expands board expertise in medtech and operational leadership as Inogen pursues growth transformation.

## SEC filing metadata
- accession: 0000950170-23-009177
- form_type: 8-K
- ticker: INGN
- cik: 0001294133
- company_name: Inogen Inc
- filed_at: 2023-03-22T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1294133/000095017023009177/0000950170-23-009177-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1294133/000095017023009177/ingn-20230319.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-009177
- JSON: https://secwatch.observer/filing/0000950170-23-009177.json
- Plain text: https://secwatch.observer/filing/0000950170-23-009177.txt

## Key facts
- Executive change
  Thomas A. West was appointed as Director at Inogen Inc.
  - Action: appointed
  - Role: Director
  source text: On March 21, 2023, the Board, upon recommendation of the Nominating and Governance Committee, appointed Thomas A. West to the Board, effective April 1, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1294133/000095017023009177/0000950170-23-009177-index.htm
- Executive change
  Kristen Miranda resigned as Director at Inogen Inc.
  - Action: resigned
  - Role: Director
  source text: On March 19, 2023, Kristen Miranda notified Inogen, Inc. (“the Company”) of her resignation as a member of the Board of Directors (the “Board”) of the Company, the Compliance Committee of the Board (the “Compliance Committee”), and the Nominating and Governance Committee of the Board (the “Nominating and Governance Committee”), in each case effective as of March 31, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1294133/000095017023009177/0000950170-23-009177-index.htm

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