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DESIGN THERAPEUTICS, INC.

Active

in

Registration No.
4096844
Incorporation Date
2017-12-27
Company Type
Not disclosed
Address
CARLSBAD, United States
Website
www.designtx.com/
Source: California Secretary of State — bizfile Online

DESIGN THERAPEUTICS, INC. is a registered legal entity registered in United States under 4096844, and its current status with California Secretary of State — bizfile Online is active. The company was incorporated on 27 December 2017 and lists its registered address as CARLSBAD, United States. 5 shareholders are on record for DESIGN THERAPEUTICS, 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.

Data Provenance
This record is sourced directly from official government registries, including California Secretary of State — bizfile Online.

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Shareholders

5

Five shareholders are currently on record for DESIGN 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 Frazier Life Sciences Management, L.P. , holding 6.4% — the largest recorded stake — followed by Vanguard Group Inc at 5.7%; the remaining 3 shareholders shown hold smaller stakes.

The register reports 10 shareholders in total, though only the top 5 by holding are shown in this view.

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
Frazier Life Sciences Management, L.P. 6.4% California Secretary of State — bizfile Online
Vanguard Group Inc 5.7% California Secretary of State — bizfile Online
Driehaus Capital Management, LLC 3.5% California Secretary of State — bizfile Online
iShares Trust-iShares Russell 2000 ETF 2.2% California Secretary of State — bizfile Online
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund 0.9% California Secretary of State — bizfile Online

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Officers

5

The Agent of DESIGN THERAPEUTICS, INC. currently on record is Mustapha Parekh; five officers are currently on record for DESIGN THERAPEUTICS, INC., filed with California Secretary of State — bizfile Online.

The register reports 19 officers in total, including past appointments, though only the 5 most relevant records are shown here.

Management authority at DESIGN 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.

MP
Mustapha Parekh ACTIVE

Appointed
2021-03-01
Residence
🇺🇸 United States
Occupation
Agent

DG
Dawn Giangiulio ACTIVE

Appointed
2022-09-01
Residence
🇺🇸 United States
Occupation
Controller

JS
JO SIFFERT ACTIVE

Residence
🇺🇸 United States
Occupation
President

DG
Dawn Giangiulio ACTIVE

Residence
🇺🇸 United States
Occupation
Controller

MP
Mustapha Parekh ACTIVE

Residence
🇺🇸 United States
Occupation
General Counsel

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Frequently Asked Questions

Who owns DESIGN THERAPEUTICS, INC.?

Five shareholders are currently on record for DESIGN 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 Frazier Life Sciences Management, L.P. , holding 6.4% — the largest recorded stake — followed by Vanguard Group Inc at 5.7%; the remaining 3 shareholders shown hold smaller stakes. 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 DESIGN THERAPEUTICS, INC.'s UBO (Ultimate Beneficial Owner)?

Every shareholder recorded for DESIGN THERAPEUTICS, 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 DESIGN THERAPEUTICS, INC. have on record?

5 shareholders are shown on record for DESIGN THERAPEUTICS, INC.. The register reports 10 in total; only the top 5 by holding are shown here.

What is DESIGN THERAPEUTICS, INC.'s company registration number?

DESIGN THERAPEUTICS, INC.'s registration number is 4096844, filed with California Secretary of State — bizfile Online in United States. Its current status on the register is active.

Is DESIGN THERAPEUTICS, INC. still an active company?

DESIGN THERAPEUTICS, INC.'s status on California Secretary of State — bizfile Online is listed as active.

When was DESIGN THERAPEUTICS, INC. incorporated?

DESIGN THERAPEUTICS, INC. was incorporated on 27 December 2017, according to California Secretary of State — bizfile Online.

What is DESIGN THERAPEUTICS, INC.'s registered address?

The registered address on file for DESIGN THERAPEUTICS, INC. is CARLSBAD, United States.

Who are the officers/directors of DESIGN THERAPEUTICS, INC.?

The Agent of DESIGN THERAPEUTICS, INC. currently on record is Mustapha Parekh; five officers are currently on record for DESIGN THERAPEUTICS, INC., filed with California Secretary of State — bizfile Online. Management authority at DESIGN THERAPEUTICS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.

Can Zavia monitor changes to DESIGN 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 DESIGN 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 DESIGN 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 DESIGN 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.

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