PROTAGENIC THERAPEUTICS, INC.
PROTAGENIC THERAPEUTICS, INC. is a registered legal entity registered in United States under 2678303, and its current status with California Secretary of State — bizfile Online is inactive. The company was incorporated on 30 September 2004 and lists its registered address as NEW YORK, United States. 5 shareholders are on record for PROTAGENIC THERAPEUTICS, INC., including at least one natural person recorded as a direct holder; the filing carries no beneficial-ownership flag, so that holder is noted here as a recorded shareholder rather than a confirmed ultimate beneficial owner (UBO). This profile is sourced directly from California Secretary of State — bizfile Online and was last updated on 21 October 2026.
- Company fundamentals
- Corporate linkage & group structures
- Digitized company financials
- Firmographics — websites, social profiles, revenue and employee estimates
Shareholders
5
Five shareholders are currently on record for PROTAGENIC THERAPEUTICS, 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 DRW Securities, LLC, holding 40.1% — the largest recorded stake — followed by Connective Capital Management LLC at 31.6%; the remaining 3 shareholders shown hold smaller stakes.
The register reports 13 shareholders in total, though only the top 5 by holding are shown in this view.
4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| DRW Securities, LLC | 40.1% | California Secretary of State — bizfile Online | |
| Connective Capital Management LLC | 31.6% | California Secretary of State — bizfile Online | |
| Morgan Stanley | 16.6% | California Secretary of State — bizfile Online | |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 3.6% | California Secretary of State — bizfile Online | |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 2.5% | California Secretary of State — bizfile Online |
Officers
4
Four officers are currently on record for PROTAGENIC THERAPEUTICS, INC., filed with California Secretary of State — bizfile Online. Robert Ziroyan serves as Chief Executive Officer; Sandra Hara serves as Agent; Robert Ziroyan serves as Chief Financial Officer; Robert Ziroyan serves as Secretary.
Management authority at PROTAGENIC THERAPEUTICS, 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.
Get complete shareholder and officer records, ultimate beneficial owner resolution, and ongoing ownership monitoring.
Frequently Asked Questions
Who owns PROTAGENIC THERAPEUTICS, INC.?
Five shareholders are currently on record for PROTAGENIC THERAPEUTICS, 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 DRW Securities, LLC, holding 40.1% — the largest recorded stake — followed by Connective Capital Management LLC at 31.6%; the remaining 3 shareholders shown hold smaller stakes. 4 shareholders shown are companies, so the ownership chain continues above this level for those holdings; the other 1 is recorded as direct individual holder, though the record carries no UBO/PSC flag confirming beneficial-owner status.
Who is PROTAGENIC THERAPEUTICS, INC.'s UBO (Ultimate Beneficial Owner)?
At least one shareholder recorded for PROTAGENIC THERAPEUTICS, INC. is a natural person. The record carries no dedicated UBO/PSC flag, so that holder is stated here as a recorded shareholder rather than a confirmed Ultimate Beneficial Owner (UBO).
How many shareholders does PROTAGENIC THERAPEUTICS, INC. have on record?
5 shareholders are shown on record for PROTAGENIC THERAPEUTICS, INC.. The register reports 13 in total; only the top 5 by holding are shown here.
What is PROTAGENIC THERAPEUTICS, INC.'s company registration number?
PROTAGENIC THERAPEUTICS, INC.'s registration number is 2678303, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is inactive.
Is PROTAGENIC THERAPEUTICS, INC. still an active company?
PROTAGENIC THERAPEUTICS, INC.'s status on California Secretary of State — bizfile Online is listed as inactive, not currently active.
When was PROTAGENIC THERAPEUTICS, INC. incorporated?
PROTAGENIC THERAPEUTICS, INC. was incorporated on 30 September 2004, according to California Secretary of State — bizfile Online.
What is PROTAGENIC THERAPEUTICS, INC.'s registered address?
The registered address on file for PROTAGENIC THERAPEUTICS, INC. is NEW YORK, United States.
Who are the officers/directors of PROTAGENIC THERAPEUTICS, INC.?
Four officers are currently on record for PROTAGENIC THERAPEUTICS, INC., filed with California Secretary of State — bizfile Online. Robert Ziroyan serves as Chief Executive Officer; Sandra Hara serves as Agent; Robert Ziroyan serves as Chief Financial Officer; Robert Ziroyan serves as Secretary. Management authority at PROTAGENIC THERAPEUTICS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Can Zavia monitor changes to PROTAGENIC THERAPEUTICS, 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 PROTAGENIC THERAPEUTICS, 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 PROTAGENIC THERAPEUTICS, 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 PROTAGENIC THERAPEUTICS, 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.