Fundraising Fox

GT Medical Technologies

Tempe, US · Founded 2017 · Delaware corporation · 9 known investors

GammaTile Therapy, a surgically targeted radiation therapy for operable brain tumors

Healthtech

Founders & leadership

GT Medical Technologies was founded in 2017 by David G. Brachman.

DG
David G. BrachmanFounder
PL
Per LangoeExecutive
JL
James LeechExecutive
ME
Matthew E. LikensExecutive

Board

GPGeoff Pardo
Geoff PardoinBoard directorGeneral Partner at Gilde Healthcare
PL
Prattipati LaxminarainBoard director
KDKyle Dempsey
Kyle DempseyinBoard directorPartner at MVM Life Science Partners
CR
Camilo RicoBoard director
AL
Adam LesslerBoard directorPartner at Evidity Health Capital
SASusana Amorim
Susana AmorimBoard directorInvestment Director, Venture&Growth at Gilde Healthcare
JR
Jason RostovskyBoard director
PEPaul Enever
Paul EneverinBoard directorPartner at Evidity Health Capital

Investors · 9

Accelmed PartnersMiami
FemHealth VenturesShort Hills
BlueStone Venture PartnersreportedTucson · $250K – $1M
Evidity Health Capitalreported · 2 sourcesNew York · $5M
Gilde Healthcarereported · 3 sourcesUtrecht · $1.1M – $55M
Medical Technology Venture PartnersreportedSan Francisco
MedTech Venture Partnersreported · 3 sourcesScottsdale
MVM Life Science Partnersreported · 3 sourcesLondon · $20M – $100M
Viking Global Investorsreported · 2 sourcesStamford

Reported raises · per SEC filings

Form D private placements

$164.6M disclosed across 8 rounds · 2017–2026

▶$50.1MraisedJul 2026 · 39 investors · Other Health Care
Rule 506(b)
GT Medical Technologies has raised $100 Million in new Series E funding - intelligence360intelligence360.news · Jun 2026GT Medical raises $100M for brain tumor tech after clinical trial success | MedTech Divemedtechdive.com · Jun 2026
Officers, directors & promoters on the filing
  • David BrachmanExecutive Officer, Director
  • Per LangoeExecutive Officer, Director
  • Prattipati LaxminarainExecutive Officer, Director
  • Kyle DempseyDirector
  • Susana AmorimDirector
  • Jason RostovskyDirector
  • Paul EneverDirector
  • James LeechExecutive Officer
Offering amount
$100.1M
Amount sold
$50.1M
First sale
May 2026
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$53.3MraisedJun 2025 · 37 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Per LangoeExecutive Officer, Director
  • David G. BrachmanExecutive Officer, Director
  • Geoff PardoDirector
  • Prattipati LaxminarainDirector
  • Kyle DempseyDirector
  • Camilo RicoDirector
  • Adam LesslerDirector
Offering amount
$53.3M
Amount sold
$53.3M
First sale
Dec 2024
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$218KraisedApr 2024 · 1 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Per LangoeExecutive Officer, Director
  • Radu CautisDirector
  • Geoff PardoDirector
  • Prattipati LaxminarainDirector
  • David G. BrachmanExecutive Officer, Director
  • Kyle DempseyDirector
Offering amount
$218K
Amount sold
$218K
First sale
Apr 2024
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$37.4MraisedMar 2023 · 33 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • David G. BrachmanExecutive Officer, Director
  • Kyle DempseyDirector
  • Radu CautisDirector
  • Prattipati LaxminarainDirector
  • Matthew E. LikensExecutive Officer, Director
  • Geoff PardoDirector
Offering amount
$45.1M
Amount sold
$37.4M
First sale
Mar 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$15.5MraisedNov 2020 · 15 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Prattipati LaxminarainDirector
  • Matthew E. LikensExecutive Officer, Director
  • Kyle DempseyDirector
  • Radu CautisDirector
  • David G. BrachmanExecutive Officer, Director
  • Brian MartinExecutive Officer
Offering amount
$16M
Amount sold
$15.5M
First sale
Nov 2020
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$5.6MraisedNov 2018 · 30 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • PRATTIPATI LAXMINARAINDirector
  • Matthew E. LikensExecutive Officer, Director
  • David G. BrachmanDirector
  • Radu CautisDirector
Offering amount
$10M
Amount sold
$5.6M
First sale
Nov 2018
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.9MraisedJan 2018 · 4 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Heyoung McBridePromoter
  • Emad YoussefPromoter
  • David G. BrachmanExecutive Officer, Director, Promoter
  • Radu CautisDirector
  • Theresa A. ThomasPromoter
  • Peter NakajiPromoter
  • Matthew E. LikensExecutive Officer, Director
  • Partners I, LP Medical Technology VenturePromoter
Offering amount
$2.2M
Amount sold
$1.9M
Minimum investment
$1.4M
First sale
Dec 2017
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$510KraisedDec 2017 · 5 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Matthew E. LikensExecutive Officer, Director
  • Emad YoussefDirector, Promoter
  • Peter NakajiDirector
  • Theresa A. ThomasDirector, Promoter
  • David G. BrachmanExecutive Officer, Director, Promoter
  • Heyoung McBrideDirector
Offering amount
$750K
Amount sold
$510K
First sale
Dec 2017
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.

In the news

GT Medical Technologies dba GammaTile has filed a notice of an exempt offering of securities to raise $100,056,698.00 in New Funding. - intelligence360intelligence360.news · Aug 2026GT Medical Technologies Raises $100M in Oversubscribed Series E Financing to Expand Brain Tumor Treatmentjacobsmgt.com · Jul 2026GT Medical Technologies has raised $100 Million in new Series E funding - intelligence360intelligence360.news · Jun 2026GT Medical Technologies raises $100M for GammaTile radiotherapy | AuntMinnieauntminnie.com · Jun 2026GT Medical Technologies closes $100M series E round - Phoenix Business Journalbizjournals.com · Jun 2026GT Medical raises $100M for brain tumor tech after clinical trial success | MedTech Divemedtechdive.com · Jun 2026GT Medical Technologies Completes Oversubscribed $100 Million Series E Equity Financing to Advance Commercial Treatment for Patients with Operable Brain Tumorsprnewswire.com · Jun 2026 · press releaseGT Medical Technologies Raises $37M in Series D Fundingfinsmes.com · Jan 2025

Frequently asked questions

What does GT Medical Technologies do?
GammaTile Therapy, a surgically targeted radiation therapy for operable brain tumors
Who founded GT Medical Technologies?
GT Medical Technologies was founded by David G. Brachman in 2017.
Who are GT Medical Technologies's investors?
GT Medical Technologies's investors include Accelmed Partners, FemHealth Ventures, BlueStone Venture Partners, Evidity Health Capital, Gilde Healthcare, Medical Technology Venture Partners, MedTech Venture Partners, MVM Life Science Partners and 1 more.
How much funding has GT Medical Technologies raised?
GT Medical Technologies has disclosed $164.6M raised across 8 rounds.
Where is GT Medical Technologies headquartered?
GT Medical Technologies is headquartered in Tempe, US.