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GT Medical Technologies

Tempe, US · Founded 2017 · Delaware corporation · 11 known investors

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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
PLPer Langoe
Per LangoeExecutiveChief Executive Officer at GammaTile
JLJames Leech
James LeechExecutiveJames Leech is an executive officer at GT Medical Technologies, which develops GammaTile Therapy, a surgically targeted radiation therapy for operable brain tumors. He has held financial, strategic, and operational roles across multiple life science sectors including biopharmaceutical, medical device, and healthcare services companies.
ME
Matthew E. LikensExecutive

Board

GPGeoff Pardo
Geoff PardoBoard directorGeneral Partner at Gilde Healthcare
PL
Prattipati LaxminarainBoard director
KDKyle Dempsey
Kyle DempseyBoard directorPartner at MVM Life Science Partners
CRCamilo Rico
Camilo RicoBoard directorPrincipal at Accelmed Partners
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 EneverBoard directorPartner at Evidity Health Capital

Investors · 11

Asahi Kasei Corporate Venture Capitallisted by Asahi Kasei Corporate Venture CapitalMenlo Park · $200K – $5M

How we know: Asahi Kasei Corporate Venture Capital's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us

FemHealth Ventureslisted by FemHealth VenturesShort Hills

How we know: FemHealth Ventures's portfolio page · offering press articles · press coverage · Not right? Tell us

MVM Life Science Partnerslisted by MVM Life Science PartnersLondon · $20M – $100M

How we know: MVM Life Science Partners's portfolio page · offering press articles · gildehealthcare.com · funding news · Not right? Tell us

Viking Globallisted by Viking GlobalStamford

How we know: Viking Global's portfolio page · Not right? Tell us

BlueStone Venture PartnersreportedTucson · $250K – $1M

How we know: funding news · gildehealthcare.com · Not right? Tell us

Evidity Health CapitalreportedNew York · $5M

How we know: offering press articles · press coverage · Not right? Tell us

Gilde HealthcarereportedUtrecht · $1.1M – $55M

How we know: offering press articles · gildehealthcare.com · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

Medical Technology Venture PartnersinferredSan Francisco

How we know: board seat on SEC Form D · Not right? Tell us

MedTech Venture PartnersreportedMenlo Park

How we know: offering press articles · gildehealthcare.com · funding news · Not right? Tell us

Viking Global InvestorsreportedStamford

How we know: offering press articles · press coverage · Not right? Tell us

Funding

SEC filings, press & company announcements

$264.6M disclosed across 9 rounds · 2017–2026

▶$50.1MraisedJul 2026 · 39 investors · Other Health Care
Rule 506(b)
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.

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, Asahi Kasei Corporate Venture Capital, FemHealth Ventures, MVM Life Science Partners, Viking Global, BlueStone Venture Partners, Evidity Health Capital, Gilde Healthcare and 3 more.
How much funding has GT Medical Technologies raised?
GT Medical Technologies has disclosed $264.6M raised across 9 rounds.
Where is GT Medical Technologies headquartered?
GT Medical Technologies is headquartered in Tempe, US.