Fundraising FoxFLX Bio
South San Francisco, US · Founded 2015 · Delaware corporation · 4 known investors
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Founders & leadership
RH
Rekha HemrajaniExecutive
BW
Brian WongNamed on SEC filing
Board
BS
DG
WJ
William J. RieflinBoard director
LK
Linda KozickBoard director
Investors · 4
GV (Google Ventures)reportedMountain View · $250K – $50M
How we know: funding news · press coverage · Not right? Tell us
Kleiner PerkinsreportedMenlo Park · $500K – $15Mvia Beth Seidenberg · board
How we know: board seat on SEC Form D · funding news · press coverage · Not right? Tell us
The Column GroupreportedSan Francisco · $30Mvia David V. Goeddel · board
How we know: board seat on SEC Form D · funding news · press coverage · Not right? Tell us
Topspin PartnersreportedMamaroneck · $10M – $50M
How we know: press coverage · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$317M disclosed across 5 rounds · 2016–2024
▶$150MraisedJan 2025 · 20 investors · BiotechnologyRule 506(b)
▶$150MraisedJan 2025 · 20 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Rodney YoungExecutive Officer
- Lori Lyons-WilliamsDirector
- Wendye RobbinsDirector
- Dirk BrockstedtExecutive Officer
- Linda KozickDirector
- William HoExecutive Officer
- Brian WongExecutive Officer, Director
- William J. RieflinDirector
- Michael GiordanoDirector
- Mary Ann V. GrayDirector
- Offering amount
- $150M
- Amount sold
- $150M
- Sales commissions
- $6.5M
- Placement agents
- Leerink Partners LLC
- First sale
- Dec 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$50MraisedJun 2022 · 1 investors · BiotechnologyRule 506(b)
▶$50MraisedJun 2022 · 1 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Rodney YoungExecutive Officer
- Mary Ann V. GrayDirector
- Dirk BrockstedtExecutive Officer
- Linda KozickDirector
- Lori Lyons-WilliamsDirector
- Michael F. GiordanoDirector
- Brian WongExecutive Officer, Director
- Wendye RobbinsDirector
- William J. RieflinDirector
- William HoExecutive Officer
- Offering amount
- $50M
- Amount sold
- $50M
- First sale
- May 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$37.1MraisedJun 2019 · 24 investors · BiotechnologyRule 506(b)
▶$37.1MraisedJun 2019 · 24 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- David WustrowExecutive Officer
- Paul KassnerExecutive Officer
- Dirk BrockstedtExecutive Officer
- William HoExecutive Officer
- Eric HallExecutive Officer
- Michael F. GiordanoDirector
- Linda KozickDirector
- David V. GoeddelDirector
- Beth SeidenbergDirector
- William J. RieflinDirector
- Brian WongExecutive Officer, Director
- Offering amount
- $67.1M
- Amount sold
- $37.1M
- First sale
- Dec 2018
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
▶$29.9MraisedJan 2018 · 10 investors · BiotechnologyRule 506(b)
▶$29.9MraisedJan 2018 · 10 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Brian WongExecutive Officer, Director
- Beth SeidenbergDirector
- Rekha HemrajaniExecutive Officer
- William J. RieflinDirector
- Linda KozickDirector
- David GoeddelDirector
- Offering amount
- $59.9M
- Amount sold
- $29.9M
- First sale
- Dec 2017
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
▶$50MraisedMay 2016 · 9 investors · BiotechnologyRule 506(b)
▶$50MraisedMay 2016 · 9 investors · Biotechnology
Rule 506(b)Officers, directors & promoters on the filing
- Beth SeidenbergDirector
- Rekha HemrajaniExecutive Officer
- David GoeddelDirector
- Tim LinExecutive Officer
- William J. RieflinDirector
- Brian WongExecutive Officer, Director
- Offering amount
- $50M
- Amount sold
- $50M
- First sale
- Apr 2016
- Incorporated
- Corporation, Delaware, 2015
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- Who are FLX Bio's investors?
- FLX Bio's investors include GV (Google Ventures), Kleiner Perkins, The Column Group, Topspin Partners.
- How much funding has FLX Bio raised?
- FLX Bio has disclosed $317M raised across 5 rounds.
- Where is FLX Bio headquartered?
- FLX Bio is headquartered in South San Francisco, US.