CALITHERA BIOSCIENCES, INC.
CALITHERA BIOSCIENCES, INC. is a registered legal entity registered in United States under 3298532, and its current status with California Secretary of State — bizfile Online is active. The company was incorporated on 18 May 2010 and lists its registered address as SOUTH SAN FRANCISCO, United States. 2 shareholders are on record for CALITHERA BIOSCIENCES, INC., and since every one of them is a company rather than an individual, this particular filing does not on its own establish an ultimate beneficial owner (UBO) — identifying one would mean tracing the ownership of each shareholding company in turn. This profile is sourced directly from California Secretary of State — bizfile Online and was last updated on 21 October 2026.
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Shareholders
2
Two shareholders are currently on record for CALITHERA BIOSCIENCES, INC., reflecting the stock ledger kept by the company under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing.
The largest of these is Ameriflex Group, Inc. , holding 16% — the largest recorded stake — followed by Ameriflex Group, Inc. at 8%.
Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Ameriflex Group, Inc. | 16% | California Secretary of State — bizfile Online | |
| Ameriflex Group, Inc. | 8% | California Secretary of State — bizfile Online |
Officers
5
The Senior Vice President Of Research of CALITHERA BIOSCIENCES, INC. currently on record is Frank Parlati Ph.d.; five officers are currently on record for CALITHERA BIOSCIENCES, INC., filed with California Secretary of State — bizfile Online.
The register reports 9 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at CALITHERA BIOSCIENCES, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
The source filing doesn't specify representation authority — whether officers can act individually or must sign jointly to bind the company — so that detail isn't available here.
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Frequently Asked Questions
Who owns CALITHERA BIOSCIENCES, INC.?
Two shareholders are currently on record for CALITHERA BIOSCIENCES, INC., reflecting the stock ledger kept by the company under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Ameriflex Group, Inc. , holding 16% — the largest recorded stake — followed by Ameriflex Group, Inc. at 8%. Because every shareholder shown is a company rather than an individual, the ownership chain continues above this level, and no beneficial owner can be established from this filing alone.
Who is CALITHERA BIOSCIENCES, INC.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for CALITHERA BIOSCIENCES, INC. is itself a company rather than a natural person, so no Ultimate Beneficial Owner (UBO) is identified at this level; establishing one would require tracing the ownership of each shareholding company in turn.
How many shareholders does CALITHERA BIOSCIENCES, INC. have on record?
2 shareholders are shown on record for CALITHERA BIOSCIENCES, INC..
What is CALITHERA BIOSCIENCES, INC.'s company registration number?
CALITHERA BIOSCIENCES, INC.'s registration number is 3298532, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is active.
Is CALITHERA BIOSCIENCES, INC. still an active company?
CALITHERA BIOSCIENCES, INC.'s status on California Secretary of State — bizfile Online is listed as active.
When was CALITHERA BIOSCIENCES, INC. incorporated?
CALITHERA BIOSCIENCES, INC. was incorporated on 18 May 2010, according to California Secretary of State — bizfile Online.
What is CALITHERA BIOSCIENCES, INC.'s registered address?
The registered address on file for CALITHERA BIOSCIENCES, INC. is SOUTH SAN FRANCISCO, United States.
Who are the officers/directors of CALITHERA BIOSCIENCES, INC.?
The Senior Vice President Of Research of CALITHERA BIOSCIENCES, INC. currently on record is Frank Parlati Ph.d.; five officers are currently on record for CALITHERA BIOSCIENCES, INC., filed with California Secretary of State — bizfile Online. Management authority at CALITHERA BIOSCIENCES, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Can Zavia monitor changes to CALITHERA BIOSCIENCES, INC.'s ownership over time?
This profile reflects a point-in-time snapshot from California Secretary of State — bizfile Online. Zavia's monitoring API can track changes to CALITHERA BIOSCIENCES, INC.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access CALITHERA BIOSCIENCES, INC.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like CALITHERA BIOSCIENCES, INC.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from California Secretary of State — bizfile Online and was last synced on 21 October 2026.