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Scout the DayOneLead fox with a California new business filings stampEvery new California filing, every day
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  5. Avenzo Therapeutics
BiotechnologyOncology therapeuticsActiveVerified

Avenzo Therapeutics

Athena Countouriotis MD, Principal

Avenzo Therapeutics is a clinical-stage oncology biotech company based in San Diego, California, developing next-generation therapies for patients. The company's website and third-party sources describe it as combining selective CDK2 and CDK4 inhibitors with bispecific antibody-drug conjugates, and it is pursuing a Nasdaq listing via a reverse merger with Rallybio Corporation. The LLC filing lists officers including Athena Countouriotis, Simeon George, and Patrick Machado, all of whom appear on the company's site.

Filed April 8, 2025 · San Diego, CA

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About Avenzo Therapeutics

Avenzo Therapeutics is a biotechnology business (Corp) registered on April 8, 2025 with the California Division of Corporations. The business is located in San Diego, California 92130. The filing lists Athena Countouriotis MD as Principal.

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Filing Details

Entity NameAVENZO THERAPEUTICS, INC.
Entity TypeCorp
Entity Number3192969
Filing DateApril 8, 2025
Principal AddressLocked
City / State / ZipSan Diego, CA 92130
TimezonePacific (PT)
EIN on FileNo

Verified Business Profile

SubcategoryOncology therapeutics

Contact Information

WebsiteLocked
PhoneLocked
EmailLocked
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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.

Domain RegisteredLocked
Domain AgeLocked
RegistrarLocked
Website PlatformLocked
Start Free TrialDomain and website data is included with a free trial.

Officers / Authorized Persons

A
Athena Countouriotis MD
Principal
Address locked
S
Simeon George MD
Principal
Address locked
J
Judith Li
Principal
Address locked
P
Patrick Machado
Principal
Address locked
G
Gary Nicholson
Principal
Address locked
C
Carl Gordon CFA Ph.D.
Principal
Address locked
B
Brian Sun
Principal
Address locked
J
Jakob Dupont, M.A MD
Principal
Address locked

Document Timeline

Filing timeline will be available soon.

Frequently Asked Questions

When was Avenzo Therapeutics registered?

Avenzo Therapeutics was registered as Corp on April 8, 2025 in California.

Where is Avenzo Therapeutics located?

Avenzo Therapeutics is based in San Diego, CA, 92130.

What type of business is Avenzo Therapeutics?

Avenzo Therapeutics is classified as a biotechnology business (oncology therapeutics).

Does Avenzo Therapeutics have an EIN on file?

No EIN was found on file for Avenzo Therapeutics at the time of registration.

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