Fundraising Fox

Centaur Health Holdings

Middleton, US · Founded 2015 · Delaware corporation · 1 known investors

Healthtech

Founders & leadership

Centaur Health Holdings was founded in 2015 by Thomas R. Mackie.

TR
Thomas R. MackieFounder
AH
Andy HarleyExecutive
ST
Stephen ToweExecutive
DE
David ErgunNamed on SEC filing
MD
Mark D. MarkelNamed on SEC filing
PM
Peter MuirNamed on SEC filing

Board

DB
Dennis BeardBoard director
ASAjit Singh
Ajit SinghBoard directorPartner at Artiman Ventures
PY
Pingrong YuBoard director
GL
Gregory LaneBoard director
MW
Mark WangBoard director

Investors · 1

Artiman VenturesreportedPalo Alto · $2M – $6Mvia Ajit Singh · board

Reported raises · per SEC filings

Form D private placements

$119.4M disclosed across 6 of 7 rounds · 2016–2026

▶$50.4MraisedAug 2026 · 35 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Thomas R. MackieExecutive Officer, Director, Promoter
  • David ErgunExecutive Officer, Director, Promoter
  • Stephen ToweExecutive Officer, Director
  • Dennis BeardDirector
  • Ajit SinghDirector
  • Mark WangDirector
  • Pingrong YuDirector
  • Gregory LaneDirector
  • Andy HarleyExecutive Officer
Offering amount
$57M
Amount sold
$50.4M
Minimum investment
$25K
First sale
Apr 2026
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$6MraisedJul 2025 · 1 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Dennis BeardDirector
  • Pingrong YuDirector
  • Mark WangDirector
  • Ajit SinghDirector
  • Gregory LaneDirector
  • Thomas R. MackieExecutive Officer, Director, Promoter
  • David ErgunExecutive Officer, Director, Promoter
  • Andy HarleyExecutive Officer
  • Stephen ToweExecutive Officer, Director
Offering amount
$6M
Amount sold
$6M
First sale
Jun 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$56.5MraisedJun 2025 · 67 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Andy HarleyExecutive Officer
  • Ajit SinghDirector
  • Stephen ToweExecutive Officer, Director
  • Pingrong YuDirector
  • Thomas R. MackieExecutive Officer, Director, Promoter
  • David ErgunExecutive Officer, Director, Promoter
  • Mark WangDirector
  • Dennis BeardDirector
  • Gregory LaneDirector
Offering amount
$56.5M
Amount sold
$56.5M
Minimum investment
$20K
First sale
Sep 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2MofferedApr 2025 · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • David ErgunExecutive Officer, Promoter
  • Thomas R. MackieExecutive Officer, Director, Promoter
  • Pingrong YuDirector
  • Andy HarleyExecutive Officer
  • Stephen ToweExecutive Officer, Director
  • Dennis BeardDirector
  • Gregory LaneDirector
  • Ajit SinghDirector
  • Mark WangDirector
Offering amount
$2M
Minimum investment
$666K
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.3MraisedAug 2020 · 14 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • David ErgunExecutive Officer, Director
  • Thomas R. MackieExecutive Officer, Director
  • Ajit SinghDirector
  • Mark D. MarkelDirector
  • Dennis E. BeardDirector
  • Peter MuirDirector
  • Stephen ToweExecutive Officer, Director
Offering amount
$3M
Amount sold
$1.3M
Minimum investment
$25K
Proceeds to insiders
$320K
First sale
Jul 2020
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3.5MraisedDec 2019 · 14 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • David ErgunExecutive Officer, Director, Promoter
  • Thomas R. MackieExecutive Officer, Director, Promoter
  • Stephen ToweExecutive Officer
  • Mark D. MarkelDirector
  • Dennis E. BeardDirector
  • Peter MuirDirector
Offering amount
$5M
Amount sold
$3.5M
Minimum investment
$25K
Proceeds to insiders
$284K
First sale
Dec 2019
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.8MraisedSep 2018 · 10 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • David ErgunExecutive Officer, Director, Promoter
  • Mark D. MarkelDirector
  • Peter MuirDirector
  • Thomas R. MackieExecutive Officer, Director, Promoter
Offering amount
$2.5M
Amount sold
$1.8M
Minimum investment
$10K
Proceeds to insiders
$100K
First sale
Oct 2016
Incorporated
Limited Liability Company, Wisconsin, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

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Frequently asked questions

Who founded Centaur Health Holdings?
Centaur Health Holdings was founded by Thomas R. Mackie in 2015.
Who are Centaur Health Holdings's investors?
Centaur Health Holdings's investors include Artiman Ventures.
How much funding has Centaur Health Holdings raised?
Centaur Health Holdings has disclosed $119.4M raised across 6 of its 7 known rounds.
Where is Centaur Health Holdings headquartered?
Centaur Health Holdings is headquartered in Middleton, US.