/Companies

VenoStent

YC S20

Houston, US · Founded 2017 · Delaware corporation · 17 employees · 16 known investors

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SelfWrap develops bioabsorbable wrap materials for vascular grafts that conform to individual patient anatomy and are designed to be absorbed by the body, unlike alloy-based alternatives. The company is developing the product for coronary and peripheral bypass grafting applications.

BiotechDigital HealthHealthtechMedical Devices3D PrintingUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S20)

VenoStent was founded in 2017 by Tim Boire and Geoffrey Lucks.

TBTim Boire
Tim BoireCo-founder · President and CEOTim Boire holds a BS in Chemical & Biological Engineering and Biotechnology from Tufts University and a PhD in Biomedical Engineering from Vanderbilt University, where he developed smart polymeric biomaterials for vascular applications. He worked in R&D at Genzyme Corporation before founding VenoStent, which applies these materials to hemodialysis access.
GLGeoffrey Lucks
Geoffrey LucksCOO and CofounderHe holds an MBA from Vanderbilt, a Master's degree in Bioethics from the University of Pennsylvania, and an undergraduate degree from the University of Wisconsin-Madison.

Board

JWJoel Whitley
Joel WhitleyBoard MemberPartner at IAG Capital Partners
JM
Jim MonsorBoard director
RCRobert Crutchfield
Robert CrutchfieldBoard directorOperating Partner at Good Growth Capital

Investors · 16

Texas HALO Fundlisted by Texas HALO FundHouston

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Cougar Venture FundreportedHouston

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IAG Capital PartnersreportedCharleston

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Skywalker InvestmentsreportedMadrid

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Reported raises · per SEC filings

Form D private placements

$29.2M disclosed across 6 rounds · 2018–2026

▶$10MraisedMay 2026 · 29 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Joel WhitleyDirector
  • Timothy BoireExecutive Officer, Director
  • Jim MonsorDirector
  • Robert CrutchfieldDirector
Offering amount
$10M
Amount sold
$10M
Minimum investment
$10K
First sale
Apr 2026
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$16.1MraisedJul 2023 · 60 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Joel WhitleyDirector
  • Timothy BoireExecutive Officer, Director
  • Jim MonsorDirector
  • Geoffrey LucksExecutive Officer, Director
  • Robert CrutchfieldDirector
Offering amount
$21.2M
Amount sold
$16.1M
First sale
Jul 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.2MraisedFeb 2021 · 24 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Timothy BoireExecutive Officer, Director
  • Kulika WeizmanDirector
  • Geoffrey LucksExecutive Officer, Director
Offering amount
$3M
Amount sold
$2.2M
First sale
Jan 2021
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$515KraisedJun 2020 · 16 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$535K
Amount sold
$515K
First sale
May 2020
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$263.9KraisedJul 2019 · 8 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$300K
Amount sold
$263.9K
Minimum investment
$10K
First sale
Jun 2019
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$70KraisedMar 2018 · 4 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$400K
Amount sold
$70K
First sale
Mar 2018
Incorporated
Corporation, Delaware, 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.

Founder mafia

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

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Companies working in the same space as VenoStent.

Non-dilutive funding · 3 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
National Institutes of Health (NIH)National Institutes of HealthPhase ISTTR2020$299.9K
National Science FoundationPhase II2019$744.2K
National Science FoundationPhase ISTTR2018$224.5K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Legal entities · 1

corporate structure
VenoStent, Inc.

In the news

Frequently asked questions

What does VenoStent do?
SelfWrap develops bioabsorbable wrap materials for vascular grafts that conform to individual patient anatomy and are designed to be absorbed by the body, unlike alloy-based alternatives. The company is developing the product for coronary and peripheral bypass grafting applications.
Who founded VenoStent?
VenoStent was founded by Tim Boire, Geoffrey Lucks in 2017.
Who are VenoStent's investors?
VenoStent's investors include Alumni Ventures, C3 Ventures, Cowtown Angels, Creative Ventures, Good Growth Capital, Health Wildcatters, Kube VC, Norwest Venture Partners and 8 more.
How much funding has VenoStent raised?
VenoStent has disclosed $29.2M raised across 6 rounds.
Where is VenoStent headquartered?
VenoStent is headquartered in Houston, US.