Fundraising Fox

Sydnexis

Del Mar, US · Founded 2014 · Delaware corporation · 19 employees on LinkedIn · 3 known investors

Sydnexis is a privately held biopharmaceutical company developing SYD-101, a proprietary low-dose atropine formulation in Phase 3 clinical trials to slow the progression of pediatric progressive myopia. The company focuses on pediatric ophthalmology and children's eye care.

Founders & leadership

Sydnexis was founded in 2014 by Patrick Johnson.

PJPatrick Johnson
Patrick JohnsonFounder
MJ
Mary Jaqueline JohnsonExecutive
MJ
Mary Jacqueline JohnsonNamed on SEC filing
KJ
Kevin JohnsonNamed on SEC filing
GO
Greg OstrowNamed on SEC filing
KW
Kenneth WidderNamed on SEC filing

Board

ZSZach Scheiner
Zach ScheinerinBoard of DirectorsPartner at RA Capital
PSPerry Sternberg
Perry SternbergBoard directorVenture Partner at Visionary Ventures
JKJeffry K. Weinhuff
Jeffry K. WeinhuffBoard directorManaging Partner at Visionary Ventures
TS
Tyler StowaterBoard director
JB
Juliet BakkerinBoard MemberManaging Director and Founder at Longitude Capital
RL
Richard LindstromBoard director

Investors · 3

Reported raises · per SEC filings

Form D private placements

$72.3M disclosed across 4 rounds · 2017–2025

$20MraisedApr 2025 · 23 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Mary Jaqueline JohnsonExecutive Officer
  • Zach ScheinerDirector
  • Patrick JohnsonExecutive Officer, Promoter
  • Perry SternbergExecutive Officer, Director, Promoter
  • Jeffry K. WeinhuffDirector
  • Tyler StowaterDirector
  • Juliet BakkerDirector
  • Richard LindstromDirector
Offering amount
$20M
Amount sold
$20M
First sale
Apr 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$999.8KraisedMay 2024 · 30 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Richard LindstromDirector
  • Zach ScheinerDirector
  • Juliet BakkerDirector
  • Mary Jaqueline JohnsonExecutive Officer
  • Patrick JohnsonExecutive Officer, Promoter
  • Jeffry K. WeinhuffDirector
  • Tyler StowaterDirector
Offering amount
$8.5M
Amount sold
$999.8K
First sale
Apr 2024
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$45.8MraisedAug 2021 · 26 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Tyler StowaterDirector
  • Kenneth WidderExecutive Officer, Director, Promoter
  • Richard LindstromDirector
  • Patrick JohnsonExecutive Officer, Promoter
  • Mary Jacqueline JohnsonExecutive Officer
  • Zachary ScheinerDirector
  • Greg GrunbergDirector
  • Jeffry K. WeinhuffDirector
Offering amount
$45.8M
Amount sold
$45.8M
First sale
Aug 2021
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$5.5MraisedOct 2017 · 6 investors · Pharmaceuticals
Rule 506(b)
Officers, directors & promoters on the filing
  • Mary Jacqueline JohnsonExecutive Officer
  • Kevin JohnsonDirector
  • Greg OstrowExecutive Officer, Director
  • Zachary ScheinerDirector
  • Kenneth WidderExecutive Officer, Director
Offering amount
$35M
Amount sold
$5.5M
First sale
Oct 2017
Incorporated
Corporation, Delaware, 2014
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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

Competitors · 2

by search overlap

Companies competing with Sydnexis for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Sydnexis do?
Sydnexis is a privately held biopharmaceutical company developing SYD-101, a proprietary low-dose atropine formulation in Phase 3 clinical trials to slow the progression of pediatric progressive myopia. The company focuses on pediatric ophthalmology and children's eye care.
Who founded Sydnexis?
Sydnexis was founded by Patrick Johnson in 2014.
Who are Sydnexis's investors?
Sydnexis's investors include Longitude Capital, RA Capital, Visionary Ventures.
How much funding has Sydnexis raised?
Sydnexis has disclosed $72.3M raised across 4 rounds.
Where is Sydnexis headquartered?
Sydnexis is headquartered in Del Mar, US.