United States · 
Who invested in Primmune Therapeutics?
Primmune Therapeutics's investors include Polaris Partners, Samsara BioCapital, Oberland Capital and Bioqube Ventures.
20262027
$23MSeries B$8.6MSeries B
United States · Series B startup
Who invested in Primmune Therapeutics
Funding summaryUpdated 26 Oct 2026
$32Mraised across 2 rounds since 2026, from 2 sources
$23MSeries B$8.6MSeries B
- Latest round
- Series B, $8.6MJan 2026
- Biggest round
- $23MSeries B · Jan 2026
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $23M Jan 2026
- Biggest round
- $23M Series B · Jan 2026
The rounds
- Jan 2026Series B$8.6M2 new2 returning
Reported by Bioqube Ventures
- Jan 2026
Founders and team
From Primmune Therapeutics's own website and the SEC filings it signed: 5 on the team.
- Scott ZookSenior Vice President, Global Manufacturing
- Charles McDermottPresident & CEO, Director
- Marc VealeChief Financial Officer
- Paulo S. RangelChief Business Officer and Cofounder
- James R. ApplemanExecutive Officer, Directori
On the board, as filediAmir S. NashatAndrew S. RubinsteinScott S. MorensteinTodd J. Harris
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Primmune Therapeutics
How much has Primmune Therapeutics raised?
Primmune Therapeutics has raised $32M across 2 rounds since 2026.
When did Primmune Therapeutics last raise?
Primmune Therapeutics's most recent round was a Series B of $8.6M in Jan 2026.
What was Primmune Therapeutics's biggest round?
Primmune Therapeutics's largest round on record is $23M (Series B), in Jan 2026.
Who backed Primmune Therapeutics first?
Primmune Therapeutics's first round on record, in Jan 2026, was backed by Polaris Partners and Samsara BioCapital.
What stage is Primmune Therapeutics at?
Primmune Therapeutics's latest named round is a Series B, in Jan 2026.
Where is Primmune Therapeutics based?
Primmune Therapeutics is based in the United States.
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