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

Board
Investors · 2
How we know: HCAP Partners's portfolio page · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$14.6M disclosed across 3 rounds · 2023–2025
▶$7.5MraisedDec 2025 · 15 investors · Other Health CareRule 506(b)
- 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
▶$4.6MraisedApr 2025 · 5 investors · Other Health CareRule 506(b)
- 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
▶$2.5MraisedOct 2023 · 1 investors · Other Health CareRule 506(b)
- 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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Related companies · 2
Companies working in the same space as 83 Bar.
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.


