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83 Bar

Austin, US · Founded 2020 · Delaware corporation · 2 known investors

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83bar operates a Patient Activation Platform that locates, educates, and recruits screened, qualified, high-intent patients for clinical trials and study sites. The company serves organizations running clinical research with patient recruitment and engagement software.

Founders & leadership

TK
Terence K. O'HaraExecutive
RS
Randy ScottExecutive
SNSeth Nelson
Seth NelsonExecutiveExecutive Officer and Director at 83Bar, which operates a patient activation platform for clinical trial recruitment and engagement.
RB
Robert BaurysNamed on SEC filing
KT
K Terence O'HaraNamed on SEC filing
AW
Anthony WilliamsNamed on SEC filing

Board

MS
Mark SummersBoard director

Investors · 2

Reported raises · per SEC filings

Form D private placements

$14.6M disclosed across 3 rounds · 2023–2025

▶$7.5MraisedDec 2025 · 15 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Mark SummersDirector
  • Seth NelsonExecutive Officer, Director
  • Robert BaurysDirector
  • Robert RebakDirector
  • Randy ScottDirector
  • Terry O'HaraExecutive Officer
Offering amount
$9M
Amount sold
$7.5M
First sale
Oct 2025
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.6MraisedApr 2025 · 5 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Terence K. O'HaraExecutive Officer
  • Robert BaurysDirector
  • Mark SummersDirector
  • Randy ScottExecutive Officer, Director
  • Seth NelsonExecutive Officer, Director
Offering amount
$9.5M
Amount sold
$4.6M
First sale
Mar 2025
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.5MraisedOct 2023 · 1 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Mark SummersDirector
  • Randy ScottExecutive Officer, Director
  • K Terence O'HaraExecutive Officer
  • Robert BaurysDirector
  • Anthony WilliamsDirector
Offering amount
$3.5M
Amount sold
$2.5M
First sale
Oct 2023
Incorporated
Corporation, Delaware, 2020
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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Frequently asked questions

What does 83 Bar do?
83bar operates a Patient Activation Platform that locates, educates, and recruits screened, qualified, high-intent patients for clinical trials and study sites. The company serves organizations running clinical research with patient recruitment and engagement software.
Who are 83 Bar's investors?
83 Bar's investors include HCAP Partners, Bigfoot Capital.
How much funding has 83 Bar raised?
83 Bar has disclosed $14.6M raised across 3 rounds.
Where is 83 Bar headquartered?
83 Bar is headquartered in Austin, US.