ASSEMBLY BIOSCIENCES, INC.
ASSEMBLY BIOSCIENCES, INC. is a Public Limited Company registered in United States under 3785050, and its current status with California Secretary of State — bizfile Online is active. The company was incorporated on 6 May 2015 and lists its registered address as SOUTH SAN FRANCISCO, United States. 2 shareholders are on record for ASSEMBLY 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 ASSEMBLY 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 B Group, Inc. , holding 1.8% — the largest recorded stake — followed by Monimus Capital Management, LP at 0.4%.
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 |
|---|---|---|---|
| B Group, Inc. | 1.8% | California Secretary of State — bizfile Online | |
| Monimus Capital Management, LP | 0.4% | California Secretary of State — bizfile Online |
Officers
5
The Ceo, President & Director of ASSEMBLY BIOSCIENCES, INC. currently on record is Jason Okazaki; five officers are currently on record for ASSEMBLY BIOSCIENCES, INC., filed with California Secretary of State — bizfile Online.
The register reports 18 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at ASSEMBLY 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 ASSEMBLY BIOSCIENCES, INC.?
Two shareholders are currently on record for ASSEMBLY 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 B Group, Inc. , holding 1.8% — the largest recorded stake — followed by Monimus Capital Management, LP at 0.4%. 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 ASSEMBLY BIOSCIENCES, INC.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for ASSEMBLY 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 ASSEMBLY BIOSCIENCES, INC. have on record?
2 shareholders are shown on record for ASSEMBLY BIOSCIENCES, INC..
What is ASSEMBLY BIOSCIENCES, INC.'s company registration number?
ASSEMBLY BIOSCIENCES, INC.'s registration number is 3785050, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is active.
Is ASSEMBLY BIOSCIENCES, INC. still an active company?
ASSEMBLY BIOSCIENCES, INC.'s status on California Secretary of State — bizfile Online is listed as active.
When was ASSEMBLY BIOSCIENCES, INC. incorporated?
ASSEMBLY BIOSCIENCES, INC. was incorporated on 6 May 2015, according to California Secretary of State — bizfile Online.
What is ASSEMBLY BIOSCIENCES, INC.'s registered address?
The registered address on file for ASSEMBLY BIOSCIENCES, INC. is SOUTH SAN FRANCISCO, United States.
What legal structure is ASSEMBLY BIOSCIENCES, INC. registered as?
ASSEMBLY BIOSCIENCES, INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of ASSEMBLY BIOSCIENCES, INC.?
The Ceo, President & Director of ASSEMBLY BIOSCIENCES, INC. currently on record is Jason Okazaki; five officers are currently on record for ASSEMBLY BIOSCIENCES, INC., filed with California Secretary of State — bizfile Online. Management authority at ASSEMBLY BIOSCIENCES, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Can Zavia monitor changes to ASSEMBLY 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 ASSEMBLY 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 ASSEMBLY 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 ASSEMBLY 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.