Fundraising Fox

Arpeggio Bio

YC S19 ↗

Boulder, US · Founded 2018 · 20 employees · 8 known investors

arpeggiobio.com ↗

Arpeggio Bio develops pharmaceutical drugs that target transcription factors using artificial intelligence and RNA-sequencing technology, with lead programs in development for melanoma treatment and rare disease applications.

BiotechHealthtechGenomicsDrug discoveryin /company@ArpeggioBioycombinator.com ↗

Founders & leadership· Y Combinator alumni (S19)

JAJoey Azofeifa
Joey AzofeifainFounder30 Under 30 2020
AM
Amit MehtaDirector
LN
Laura NorrisExecutive Officer, Director
JG
Joseph G. AzofeifaExecutive Officer, Director
TR
Timothy ReadExecutive Officer, Director
EM
Eric MartinExecutive Officer

Investors · 8

Fifty YearsSan Francisco · $250K – $2M
FundersClubSan Francisco · $250K – $5M
Tau VenturesPalo Alto · $500K
venBio PartnersSan Francisco
Y CombinatorSan Francisco · $500K
BoxOne VenturesreportedMontréal · $500K
venBio Global StrategicreportedSan Francisco
Westlake Village BioPartnersreportedLos Angeles · $100K – $5Mvia David Allison · board

Reported raises · per SEC filings

Form D private placements
▶$20MraisedNov 2025 · 12 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Timothy ReadExecutive Officer
  • Laura NorrisExecutive Officer
  • David AllisonDirector
  • Joseph G. AzofeifaExecutive Officer, Director
  • Mira ChaurushiyaDirector
  • Samuel KintzDirector
  • Aaron RoystonDirector
Offering amount
$35.3M
Amount sold
$20M
First sale
Nov 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4MraisedMar 2025 · 14 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Amit MehtaDirector
  • Timothy ReadExecutive Officer, Director
  • Laura NorrisExecutive Officer, Director
  • Joseph G. AzofeifaExecutive Officer, Director
Offering amount
$4.6M
Amount sold
$4M
First sale
Mar 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$20.2MraisedSep 2022 · 28 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Amit MehtaDirector
  • Laura NorrisExecutive Officer, Director
  • Joseph G. AzofeifaExecutive Officer, Director
  • Timothy ReadExecutive Officer, Director
  • Eric MartinExecutive Officer
Offering amount
$20.3M
Amount sold
$20.2M
First sale
Aug 2022
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2MraisedSep 2019 · 5 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Joseph G. AzofeifaExecutive Officer, Director, Promoter
  • Timothy ReadDirector, Promoter
  • Joe McMahonDirector
  • Daniel WeaverPromoter
  • Robin D. Dowell-DeenPromoter
  • Laura NorrisExecutive Officer
Offering amount
$3M
Amount sold
$2M
First sale
Aug 2019
Incorporated
Corporation, Colorado, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$125KraisedAug 2019 · 1 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Laura NorrisExecutive Officer
  • Robin D. Dowell-DeenPromoter
  • Daniel WeaverPromoter
  • Timothy ReadDirector, Promoter
  • Joseph G. AzofeifaExecutive Officer, Director, Promoter
  • Joe McMahonDirector
Offering amount
$500K
Amount sold
$125K
First sale
Aug 2019
Incorporated
Corporation, Colorado, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗

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

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