Diligence memo · auto-generated · as of July 2, 2026
Rapid Oxygen Co
Rapid Oxygen Co looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Rapid Oxygen Co operates in Other Health Care, based in STAMFORD.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Rapid Oxygen Co has raised $4.5M in disclosed capital across 3 recorded rounds, aggregated from public filings. Its latest round is modeled as Seed (a $1.0M–$4.0M round).
Largest single filing: $2.5M on 2016-06-29.
Most recent recorded round closed around 2019-04-12.
Valuation (modeled)modeled
Provath models Rapid Oxygen Co at approximately $12M (range $423K–$97M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.35× the median modeled value of Seed Other Health Care companies in 2019–2021 (211 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 11 months.
Last raise 7.2 yr ago; this sector typically re-raises about every 14 months.
Silent for over 3× the sector's normal cadence.
The last round was 2.0× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 62% of Other Health Care peers (5377 compared).
Modeled value ranks above 39% of those peers.
Closest niche peers: Crossroads at Delta Memory, Noninvasix, Inc., CPIV Haven Holdings, LLC, Cane Ip Key Holdings, Llc, Hospi Corp.
Peoplefiled
6 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.