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Inogen Inc — SCHEDULE 13G/A Filings

4 SCHEDULE 13G/A filings on record

This page lists all SCHEDULE 13G/A filings submitted to the SEC by Inogen Inc (INGN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Inogen Inc has filed 4 SCHEDULE 13G/A documents with the SEC since 2004. To view all SEC filings by Inogen Inc, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-Q 144 3 3/A 4 4/A 424B4 8-A12B 8-K 8-K/A ARS CERTNAS CORRESP CT ORDER D D/A DEF 14A DEFA14A DRS EFFECT FWP NT 10-K NT 10-K/A REGDEX REGDEX/A S-1 S-1/A S-8 SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SCHEDULE 13G/A 0000102909-26-001610 Mar 27, 2026
SCHEDULE 13G/A 0002052113-25-003069 Jul 17, 2025
SCHEDULE 13G/A 0001654954-25-005753 May 15, 2025
SCHEDULE 13G/A 0001398344-25-009596 May 15, 2025