TANGO THERAPEUTICS, INC.
TANGO THERAPEUTICS, INC. is a Public Limited Company registered in United States under 001591659, and its current status with Massachusetts Secretary of the Commonwealth is active. The company was incorporated on 28 June 2022 and lists its registered address as United States. 4 shareholders are on record for TANGO 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 Massachusetts Secretary of the Commonwealth and was last updated on 4 October 2026.
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Shareholders
4
Four shareholders are currently on record for TANGO THERAPEUTICS, INC., reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing.
The largest of these is Vanguard Group Inc, holding 6.8% — the largest recorded stake — followed by Woodline Partners LP at 6.4%; the remaining 2 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.
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| Vanguard Group Inc | 6.8% | Massachusetts Secretary of the Commonwealth | |
| Woodline Partners LP | 6.4% | Massachusetts Secretary of the Commonwealth | |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 2.4% | Massachusetts Secretary of the Commonwealth | |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 0.7% | Massachusetts Secretary of the Commonwealth |
Officers
5
The President, Ceo & Director of TANGO THERAPEUTICS, INC. currently on record is Barbara L. Weber M.d.; five officers are currently on record for TANGO THERAPEUTICS, INC., filed with Massachusetts Secretary of the Commonwealth.
The register reports 38 officers in total, including past appointments, though only the 5 most relevant records are shown here.
Management authority at TANGO 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.
Group Structure
TANGO THERAPEUTICS, INC. has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 1 jurisdiction. Each of these downward relationships is derived rather than filed: resolved by matching entities across the registry network, not stated directly in a single document.
Those 2 subsidiaries span United States jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
TANGO THERAPEUTICS, INC.
United States
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Frequently Asked Questions
Who owns TANGO THERAPEUTICS, INC.?
Four shareholders are currently on record for TANGO THERAPEUTICS, INC., reflecting the stock ledger maintained under state corporate law (e.g. §219 of the Delaware General Corporation Law) rather than a public filing. The largest of these is Vanguard Group Inc, holding 6.8% — the largest recorded stake — followed by Woodline Partners LP at 6.4%; the remaining 2 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 TANGO THERAPEUTICS, INC.'s UBO (Ultimate Beneficial Owner)?
Every shareholder recorded for TANGO 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 TANGO THERAPEUTICS, INC. have on record?
4 shareholders are shown on record for TANGO THERAPEUTICS, INC..
What is TANGO THERAPEUTICS, INC.'s company registration number?
TANGO THERAPEUTICS, INC.'s registration number is 001591659, filed with Massachusetts Secretary of the Commonwealth in United States. Its current status on the register is active.
Is TANGO THERAPEUTICS, INC. still an active company?
TANGO THERAPEUTICS, INC.'s status on Massachusetts Secretary of the Commonwealth is listed as active.
When was TANGO THERAPEUTICS, INC. incorporated?
TANGO THERAPEUTICS, INC. was incorporated on 28 June 2022, according to Massachusetts Secretary of the Commonwealth.
What is TANGO THERAPEUTICS, INC.'s registered address?
The registered address on file for TANGO THERAPEUTICS, INC. is United States.
What legal structure is TANGO THERAPEUTICS, INC. registered as?
TANGO THERAPEUTICS, INC. is registered as a Public Limited Company in United States.
Who are the officers/directors of TANGO THERAPEUTICS, INC.?
The President, Ceo & Director of TANGO THERAPEUTICS, INC. currently on record is Barbara L. Weber M.d.; five officers are currently on record for TANGO THERAPEUTICS, INC., filed with Massachusetts Secretary of the Commonwealth. Management authority at TANGO THERAPEUTICS, INC. sits with these individuals, not with shareholders, who are covered separately and hold ownership rather than control.
Does TANGO THERAPEUTICS, INC. have a parent company or subsidiaries?
TANGO THERAPEUTICS, INC. has no recorded parent company — it sits at the top of its own group structure, with 2 subsidiaries recorded beneath it across 1 jurisdiction. Those 2 subsidiaries span United States jurisdiction, though this list should not be read as complete — subsidiaries only become visible here where shareholder data has actually been filed with a register, so holdings in jurisdictions without that filing simply won't appear.
Can Zavia monitor changes to TANGO THERAPEUTICS, INC.'s ownership over time?
This profile reflects a point-in-time snapshot from Massachusetts Secretary of the Commonwealth. Zavia's monitoring API can track changes to TANGO 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 TANGO 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 TANGO 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 Massachusetts Secretary of the Commonwealth and was last synced on 4 October 2026.