Every new California business filing, every dayCrinetics Pharmaceuticals
Isabel Kalofonos, Principal
Crinetics Pharmaceuticals is a biopharmaceutical company headquartered in San Diego, California, dedicated to developing therapies for endocrine diseases. The company's website describes its mission to provide effective disease control and simplicity for patients, and its contact page lists a San Diego address matching the LLC filing. Officer names from the filing, including Stephen Betz, Tobin Schilke, Isabel Kalofonos, and Jeff Knight, appear on the site, confirming the business is actively operating as a drug development firm.
Filed May 9, 2025 · San Diego, CA · San Diego County
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California Secretary of State (bizfile Online) · Entity 3200265 · Retrieved July 26, 2026
About Crinetics Pharmaceuticals
Crinetics Pharmaceuticals, Inc. filed in California on May 9, 2025, as a corporation based in San Diego, focused on endocrine disease therapeutics. The company has five principals: Isabel Kalofonos, Jeff Knight, R. Scott Struthers, Stephen Betz, Ph.D., and Tobin Schilke. The domain was registered 6,015 days before the filing, on November 19, 2008, through GoDaddy, and the website is modern and confirmed matching the filing. We estimate the company operates as a brick-and-mortar business. No annual report or EIN on file yet. The company was first seen by DayOneLead 443 days after filing, on July 26, 2026. We estimate revenue over $50 million and more than 100 employees.
- Domain registered 6,015 days before the California filing, indicating a long-established web presence.
- Five principals listed, including Isabel Kalofonos, Jeff Knight, R. Scott Struthers, Stephen Betz, Ph.D., and Tobin Schilke.
- Website is modern and identity confirmed matching the filing.
- We estimate a brick-and-mortar footprint with revenue over $50 million and more than 100 employees.
- No annual report or EIN on file yet.
- First seen by DayOneLead 443 days after filing.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 6 new businesses registered in San Diego in May 2025, and the only biopharmaceuticals business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Crinetics Pharmaceuticals registered?
Crinetics Pharmaceuticals was registered as Corp on May 9, 2025 in California.
Where is Crinetics Pharmaceuticals located?
Crinetics Pharmaceuticals is based in San Diego, CA, 92121, in San Diego County.
What type of business is Crinetics Pharmaceuticals?
Crinetics Pharmaceuticals is classified as a biopharmaceuticals business (endocrine disease therapeutics).
Does Crinetics Pharmaceuticals have an EIN on file?
No EIN was found on file for Crinetics Pharmaceuticals at the time of registration.
Who Sells to This Business
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