/Companies

Prana Thoracic

Houston, US · Founded 2022 · Delaware corporation · 6 known investors

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Founders & leadership

JNJoanna Nathan
Joanna NathanExecutiveJoanna Nathan is CEO and co-founder of Prana Surgical, which develops image-guided surgical systems for oncology. She previously worked as a research engineer at Texas Heart Institute, director of product development at Saranas, an investor at Mercury Fund, and new ventures manager at Johnson & Johnson MedTech Center for Device Innovation.

Board

MH
Micheal HaimourBoard director
EB
Ed BoyleBoard director
SC
Sean ChurchillBoard director

Investors · 6

Also in the syndicate · 2

Texas Medical Center Venture FundUniversity City Science Center’s Phase 1 Ventures

Reported raises · per SEC filings

Form D private placements

$6.2M disclosed across 3 rounds · 2022–2025

▶$1.5MraisedApr 2025 · 2 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Micheal HaimourDirector
  • Ed BoyleDirector
  • Sean ChurchillDirector
  • Joanna NathanExecutive Officer, Director
Offering amount
$2M
Amount sold
$1.5M
Minimum investment
$10K
Proceeds to insiders
$200K
First sale
Mar 2025
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.2MraisedJun 2024 · 7 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Ed BoyleDirector
  • Joanna NathanExecutive Officer, Director
  • Micheal HaimourDirector
  • Sean ChurchillDirector
Offering amount
$3.2M
Amount sold
$2.2M
Minimum investment
$10K
Proceeds to insiders
$730K
First sale
Jun 2024
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.5MraisedOct 2022 · 11 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Joanna C NathanExecutive Officer, Director
  • Edward M BoyleExecutive Officer, Director
  • Micheal HaimourDirector
Offering amount
$5.5M
Amount sold
$2.5M
Minimum investment
$10K
Proceeds to insiders
$550K
First sale
Oct 2022
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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

Founder mafia

3 people who came through Prana Thoracic went on to found or lead other companies.

In the news

Frequently asked questions

Who are Prana Thoracic's investors?
Prana Thoracic's investors include Houston Angel Network, New World Angels, TMC Venture Fund, Johnson & Johnson Innovation – JJDC.
How much funding has Prana Thoracic raised?
Prana Thoracic has disclosed $6.2M raised across 3 rounds.
Where is Prana Thoracic headquartered?
Prana Thoracic is headquartered in Houston, US.