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Gritstone bio
AcquiredSan Carlos, US · 6 known investors
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Acquired by Seattle Project Corp. December 2024 · $21.3M ($21.25 million in cash) · source ↗
Nexoplex Bio develops immunotherapies designed to target tumors through recognition of HLA-peptide complexes using multi-specific antibodies, aimed at cancers including certain lung, gastric, esophageal, head and neck, and cervical cancers. The company works at the intersection of cancer genomics and immunotherapy.
Founders & leadership
Board
Investors · 6
How we know: Frazier Life Sciences's portfolio page · funding news · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: GV (Google Ventures)'s portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Sofinnova Ventures's portfolio page · Not right? Tell us
How we know: The Column Group's portfolio page · a partner's Signal profile · the VCSheet dataset · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$100M disclosed across 2 rounds · 2021–2022
▶$45MraisedNov 2022 · 6 investors · BiotechnologyRule 506(b)
- Andrew AllenExecutive Officer, Director
- Andrew AllenExecutive Officer, Director
- Shefali AgarwalDirector
- Lawrence CoreyDirector
- Vassiliki EconomidesExecutive Officer
- Steve KrognesDirector
- Matthew HawrylukExecutive Officer
- Elaine JonesDirector
- Naiyer A. RizviDirector
- Karin JoosExecutive Officer
- Erin E. JonesExecutive Officer
- Clare FisherDirector
- Offering amount
- $45M
- Amount sold
- $45M
- Sales commissions
- $2.4M
- Placement agents
- Piper Sandler & Co., Evercore Group L.L.C.
- First sale
- Oct 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$55MraisedOct 2021 · 10 investors · BiotechnologyRule 506(b)
- Naiyer Rizvi, M.D.Director
- Karin JoosExecutive Officer
- Judith LiDirector
- Shefali Agarwal, M.D., M.P.H.Director
- Elaine Jones, Ph.D.Director
- Rahsaan Thompson, J.D.Executive Officer
- Andrew Allen, M.D., Ph.D.Executive Officer, Director
- Richard Heyman, Ph.D.Director
- Steve KrognesDirector
- Matt HawrylukExecutive Officer
- Erin JonesExecutive Officer
- Celia EconomidesExecutive Officer
- James ChoExecutive Officer
- Offering amount
- $55M
- Amount sold
- $55M
- Sales commissions
- $2.2M
- Placement agents
- Cowen and Company
- First sale
- Sep 2021
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- What does Gritstone bio do?
- Nexoplex Bio develops immunotherapies designed to target tumors through recognition of HLA-peptide complexes using multi-specific antibodies, aimed at cancers including certain lung, gastric, esophageal, head and neck, and cervical cancers. The company works at the intersection of cancer genomics and immunotherapy.
- Who founded Gritstone bio?
- Gritstone bio was founded by Andrew Allen.
- Who are Gritstone bio's investors?
- Gritstone bio's investors include Frazier Life Sciences, GV (Google Ventures), Sofinnova Ventures, The Column Group, REDMILE, Versant Ventures.
- How much funding has Gritstone bio raised?
- Gritstone bio has disclosed $100M raised across 2 rounds.
- Where is Gritstone bio headquartered?
- Gritstone bio is headquartered in San Carlos, US.