Fundraising Fox

Spear Bio

Woburn, US · Founded 2021 · Delaware corporation · 1 known investors

Founders & leadership

Spear Bio was founded in 2021 by Feng Xuan and Peng Yin.

FX
Feng XuanCo-founder
PY
Peng YinCo-founder
JW
John WuExecutive
WC
Wen ChanNamed on SEC filing
MN
Michael NatanNamed on SEC filing

Board

DS
David SingerBoard director
VB
Vikram BajajBoard director

Investors · 1

Funding

SEC filings, press & company announcements

$50.1M disclosed across 4 of 5 rounds · 2021–2024

$45MraisedAug 2024 · 8 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Feng XuanExecutive Officer, Director
  • John WuExecutive Officer
  • David SingerDirector
  • Peng YinDirector
  • Wen ChanDirector
  • Vikram BajajDirector
Offering amount
$45M
Amount sold
$45M
First sale
Jul 2024
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$2.4MraisedOct 2022 · 5 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Feng XuanExecutive Officer, Director
  • Jerome ClavelExecutive Officer, Director
  • Peng YinDirector
  • John WuExecutive Officer
Offering amount
$3M
Amount sold
$2.4M
First sale
Oct 2022
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.6MraisedOct 2021 · 3 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • John WuExecutive Officer
  • Feng XuanDirector
  • Michael NatanExecutive Officer, Director
  • Peng YinDirector
Offering amount
$10M
Amount sold
$1.6M
First sale
Sep 2021
Incorporated
Corporation, Delaware, 2021
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.1MraisedMar 2021 · 4 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Peng YinExecutive Officer, Director
  • Michael NatanExecutive Officer, Director
Offering amount
$1.2M
Amount sold
$1.1M
First sale
Mar 2021
Incorporated
Corporation, Delaware, 2021
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

Frequently asked questions

Who founded Spear Bio?
Spear Bio was founded by Feng Xuan, Peng Yin in 2021.
Who are Spear Bio's investors?
Spear Bio's investors include Foresite Capital.
How much funding has Spear Bio raised?
Spear Bio has disclosed $50.1M raised across 4 of its 5 known rounds.
Where is Spear Bio headquartered?
Spear Bio is headquartered in Woburn, US.