Every new California business filing, every dayR1 Therapeutics
Krishna Polu M.D., Registered Agent
R1 Therapeutics is a clinical-stage biotechnology company developing innovative therapeutics for kidney disease, with an initial focus on hyperphosphatemia in chronic kidney disease patients. It launched in 2026 with a $78 million funding round and is headquartered in California.
Filed November 21, 2025 · San Diego, CA · San Diego County
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California Secretary of State (bizfile Online) · Entity B20250394621
About R1 Therapeutics
R1 Therapeutics is a biotechnology business (Corp) registered on November 21, 2025 with the California Division of Corporations. The business is located in San Diego, California 92122. San Diego County is its county of record. The record lists Krishna Polu M.D. as Registered Agent.
One of 273 new businesses registered in San Diego in November 2025, one of 2 biotechnology businesses.
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Filing Details
Frequently Asked Questions
When was R1 Therapeutics registered?
R1 Therapeutics was registered as Corp on November 21, 2025 in California.
Where is R1 Therapeutics located?
R1 Therapeutics is based in San Diego, CA, 92122, in San Diego County.
What type of business is R1 Therapeutics?
R1 Therapeutics is classified as a biotechnology business (kidney disease therapeutics).
Does R1 Therapeutics have an EIN on file?
No EIN was found on file for R1 Therapeutics at the time of registration.
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