Fundraising Fox

Second Heart Assist

Salt Lake City, US · Founded 2017 · Utah corporation

Biotech

Founders & leadership

JD
Jefferey DonofrioCEO, Treasurer, Secretary
SK
Stuart KozlickCOO

Board

RT
Robyn ThornburghBoard director
CT
Clay TaylorBoard director
DP
Dinesh PatelBoard director
ML
Mark LibratoreBoard director
PG
Patrick GriffithBoard director
HL
Howard LeonhardtBoard director
AR
Alex RichardsonBoard director
KE
Ken EvansBoard director
BB
Brett BurtonBoard director
JD
Jeffrey DonofrioBoard director

Reported raises · per SEC filings

Form D private placements

$84.3M disclosed across 9 rounds · 2016–2017

▶$17.8MraisedFeb 2025 · 283 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Patrick GriffithDirector
  • Howard LeonhardtDirector
  • Dinesh PatelDirector
  • Stuart KozlickExecutive Officer
  • Mark LibratoreDirector
  • Jefferey DonofrioExecutive Officer, Director
  • Clay TaylorDirector
  • Robyn ThornburghDirector
Amount sold
$17.8M
Minimum investment
$1K
Proceeds to insiders
$1M
First sale
Dec 2016
Incorporated
Corporation, Utah
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$18.3MraisedFeb 2025 · 284 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Robyn ThornburghDirector
  • Jefferey DonofrioExecutive Officer, Director
  • Howard LeonhardtDirector
  • Clay TaylorDirector
  • Patrick GriffithDirector
  • Dinesh PatelDirector
  • Mark LibratoreDirector
  • Stuart KozlickExecutive Officer
Amount sold
$18.3M
Minimum investment
$1K
Proceeds to insiders
$1M
First sale
Dec 2016
Incorporated
Corporation, Utah
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$17MraisedFeb 2025 · 277 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Robyn ThornburghDirector
  • Clay TaylorDirector
  • Dinesh PatelDirector
  • Mark LibratoreDirector
  • Jefferey DonofrioExecutive Officer, Director
  • Stuart KozlickExecutive Officer
  • Patrick GriffithDirector
  • Howard LeonhardtDirector
Amount sold
$17M
Minimum investment
$1K
Proceeds to insiders
$1M
First sale
Dec 2016
Incorporated
Corporation, Utah
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$602.4KraisedNov 2022 · 7 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • howard leonhardtExecutive Officer
Amount sold
$602.4K
Minimum investment
$25K
First sale
Feb 2017
Incorporated
Corporation, Utah, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.3MraisedNov 2022 · 106 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Les MillerDirector
  • Brett BurtonDirector
  • Alex RichardsonDirector
  • Dinesh PatelDirector
  • Jeffrey DonofrioDirector
  • ken evansDirector
  • Howard LeonhardtExecutive Officer
  • Mark CunninghamDirector
  • Ghannam Al-DossariDirector
Amount sold
$4.3M
Minimum investment
$1K
First sale
Dec 2016
Incorporated
Corporation, Utah, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2MraisedNov 2022 · 61 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jeffrey DonofrioDirector
  • Dinesh PatelDirector
  • Howard LeonhardtExecutive Officer
  • Les MillerDirector
  • ken evansDirector
  • Mark CunninghamDirector
  • Ghannam Al-DossariDirector
  • Alex RichardsonDirector
  • Brett BurtonDirector
Amount sold
$2M
Minimum investment
$1K
First sale
Dec 2016
Incorporated
Corporation, Utah, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$14.7MraisedNov 2022 · 258 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Dinesh PatelDirector
  • Howard LeonhardtExecutive Officer
  • Patrick GriffithDirector
  • Alex RichardsonDirector
  • Ghannam Al-DossariDirector
  • Jeffrey DonofrioDirector
  • Brett BurtonDirector
  • Mark CunninghamDirector
  • Les MillerDirector
Amount sold
$14.7M
Minimum investment
$1K
First sale
Dec 2016
Incorporated
Corporation, Utah, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$8.6MraisedApr 2021 · 211 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Howard LeonhardtExecutive Officer, Director
  • Alex RichardsonDirector
  • Ken EvansDirector
  • Brett BurtonDirector
  • Jeffrey DonofrioDirector
  • Dinesh PatelDirector
  • Les MillerDirector
  • Ghannam Al-DossariDirector
  • Mark CunninghamDirector
Amount sold
$8.6M
Minimum investment
$1K
First sale
Dec 2016
Incorporated
Corporation, Utah, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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

In the news

Second Heart Assist adds investment firm veteran to boardmassdevice.com · Aug 2025Second Heart Assist Announces Appointment of New Board Chair Clayton Taylor to Propel Company's Growth and Commercializationprnewswire.com · Dec 2024FinancialContent - Second Heart Assist Announces Completion of Series D Financingmarkets.financialcontent.com · Feb 2023Second Heart Assist Announces Completion of Series D Financing | FinancialContentmarkets.financialcontent.com · Feb 2023Second Heart Assist, Inc. Raises $1.0M in Series A Financing - Leonhardt Venturesleonhardtventures.com · Jan 2018

Frequently asked questions

How much funding has Second Heart Assist raised?
Second Heart Assist has disclosed $84.3M raised across 9 rounds.
Where is Second Heart Assist headquartered?
Second Heart Assist is headquartered in Salt Lake City, US.