Fundraising Fox

Trethera

Sherman Oaks, US · Founded 2013 · Delaware corporation

Biotech

Founders & leadership

Trethera was founded in 2013 by Caius Radu.

CR
Caius RaduFounder
KA
Kenneth A. Schultz, M.D.Executive
JC
Johannes CzerninNamed on SEC filing

Board

LL
Louis L. GondaBoard director
LD
Laurent DuboisBoard director
CM
Carl McKinzieBoard director
TD
Timothy Donahue, M.D.Board director
RB
R. Boyd QuinnellBoard director
JD
Jean deKernionBoard director

Reported raises · per SEC filings

Form D private placements

$35.1M disclosed across 8 rounds · 2015–2025

▶$250KraisedMay 2025 · 1 investors · Biotechnology
Rule 506(c)
Officers, directors & promoters on the filing
  • Louis L. GondaDirector
  • Kenneth A. Schultz, M.D.Executive Officer, Director
  • Laurent DuboisDirector
  • Carl McKinzieDirector
  • Timothy Donahue, M.D.Director
  • R. Boyd QuinnellDirector
Offering amount
$5M
Amount sold
$250K
Minimum investment
$50K
Sales commissions
$250K
Placement agents
Nobles & Richards Inc.
First sale
Apr 2025
Incorporated
Corporation, Delaware
Federal exemptions
06c
Full filing on SEC EDGAR ↗
▶$3.8MraisedMay 2022 · 38 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jean B. deKernionExecutive Officer, Director
  • Louis L. GondaDirector
  • Kenneth A. Schultz, M.D.Executive Officer, Director
  • Carl W. McKinzieExecutive Officer, Director
  • Timothy Donahue, M.D.Director
Amount sold
$3.8M
First sale
Jun 2021
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3.3MraisedFeb 2021 · 25 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Carl W. McKinzieExecutive Officer, Director
  • Jean B. deKernionExecutive Officer, Director
  • Louis L. GondaDirector
  • Timothy Donahue, M.D.Director
  • Kenneth A. Schultz, M.D.Executive Officer, Director
Offering amount
$3.3M
Amount sold
$3.3M
First sale
Feb 2020
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$580.5KraisedApr 2019 · 5 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Lynne RollinsExecutive Officer
  • Carl W. McKinzieExecutive Officer, Director
  • Louis L. GondaDirector
  • Jean B. deKernionExecutive Officer, Director
  • Kenneth A. Schultz, M.D.Executive Officer, Director
  • Timothy Donahue, M.D.Director
Offering amount
$10M
Amount sold
$580.5K
First sale
Apr 2019
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$8.1MraisedMar 2019 · 28 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Timothy Donahue, M.D.Director
  • Lynne RollinsExecutive Officer
  • Carl W. McKinzieExecutive Officer, Director
  • Louis L. GondaDirector
  • Jean B. deKernionExecutive Officer, Director
  • Kenneth A. Schultz, M.D.Executive Officer, Director
Offering amount
$8.1M
Amount sold
$8.1M
First sale
Mar 2019
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.2MraisedMar 2017 · 19 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Nathan MataExecutive Officer
  • Lynne RollinsExecutive Officer
  • Louis L. GondaDirector
  • Jean B. deKernionDirector
  • Johanna HolldackExecutive Officer, Director
  • Carl W. McKinzieExecutive Officer, Director
  • Owen Witte, M.D.Director
Offering amount
$5M
Amount sold
$4.2M
First sale
Feb 2017
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$10MraisedOct 2016 · 43 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Johanna HolldackExecutive Officer, Director
  • Johannes CzerninDirector
  • Lynne RollinsExecutive Officer
  • Louis L. GondaDirector
  • Caius RaduDirector
  • Carl W. McKinzieExecutive Officer, Director
  • Jean B. deKernionDirector
  • Nathan MataExecutive Officer
Offering amount
$20M
Amount sold
$10M
First sale
Feb 2016
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.9MraisedJul 2015 · 26 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Louis L. GondaDirector
  • Johannes CzerninDirector
  • Jean deKernionDirector
  • Caius RaduDirector
  • Carl McKinzieExecutive Officer, Director
Offering amount
$6M
Amount sold
$4.9M
First sale
Apr 2015
Incorporated
Corporation, California, 2013
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

$2.7M NIH Grant for TRE-515 KRAS-Resistant Lung Cancer Study | Tretheratrethera.com · Dec 2025Trethera Announces Completion of $3.2 Million Seed Funding Round From Current Investors - Tretheratrethera.com · Feb 2021

Frequently asked questions

Who founded Trethera?
Trethera was founded by Caius Radu in 2013.
How much funding has Trethera raised?
Trethera has disclosed $35.1M raised across 8 rounds.
Where is Trethera headquartered?
Trethera is headquartered in Sherman Oaks, US.