Who owns SIRTRIS PHARMACEUTICALS, INC.?

In the current sources, SIRTRIS PHARMACEUTICALS, INC. is connected to POLARIS VENTURE MANAGEMENT CO IV LLC, FLINT JONATHAN A, POLARIS VENTURE PARTNERS IV LP, SPOON ALAN G, POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP and 4 more. Trace the full chain to the ultimate beneficial owner in the WhiteIntel ownership graph.

What is SIRTRIS PHARMACEUTICALS, INC.'s risk level?

WhiteIntel flags SIRTRIS PHARMACEUTICALS, INC. as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.

Where does SIRTRIS PHARMACEUTICALS, INC. appear across sources?

SIRTRIS PHARMACEUTICALS, INC. is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

LIVE · CORPUS

SnitchScore · reading…

evidence coverage · reading…

Coverage — measured

Ownership hops held: 25

An absent edge means not yet observed — never does not exist.

Legal entityLow

SIRTRIS PHARMACEUTICALS, INC.

Name: SIRTRIS PHARMACEUTICALS, INC. — ownership dossier
Creator: WhiteIntel
License: https://whiteintel.dev/terms
Keywords: corporate ownership, beneficial ownership, UBO, corporate intelligence, OSINT, corporate registry, SIRTRIS PHARMACEUTICALS, INC., Company, US

SIRTRIS PHARMACEUTICALS, INC. — US company (sec:0001388775). UBO chain traced 25 hops, 9 owners. Every claim linked to its source.

SEC 0001388775CompanyUS

Ownership graph Export .md

JSON / MCPsample

The finding

Ownership resolves 25 hops deep toward the ultimate beneficial owner.

Investigative lead by resolved identity, not a legal determination.

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Ownership & control

Links are shown as observed in a source registry — we do not currently hold ownership end dates, so a link here may since have ended. Each row carries its source; check it before relying on currency.

Owners / controllers

SIRTRIS PHARMACEUTICALS, INC.
- POLARIS VENTURE MANAGEMENT CO IV LLC· tenpercentowner· via SEC EDGAR
- FLINT JONATHAN A· tenpercentowner· via SEC EDGAR
- POLARIS VENTURE PARTNERS IV LP· tenpercentowner· via SEC EDGAR
- SPOON ALAN G· tenpercentowner· via SEC EDGAR
- POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP· tenpercentowner· via SEC EDGAR
- MCGUIRE TERRANCE· tenpercentowner· via SEC EDGAR
- HENRY JOHN WILLIAM· tenpercentowner· via SEC EDGAR
- TVM V LIFE SCIENCE VENTURES MANAGEMENT GMBH & CO. KG· tenpercentowner· via SEC EDGAR
- TVM V LIFE SCIENCE VENTURES GMBH & CO KG· tenpercentowner· via SEC EDGAR

Holdings / subsidiaries

None in current sources.

Walk the full UBO chain

25 hops lockedSTANDARD

25-step ownership / control trace to the ultimate beneficial owner — cited at every hop. Unlock the full chain.

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/02

People & control

22 parties · 0 current

Every officer, person with significant control and cross-company role we hold, resolved into one entry per party. Roles are registry records, not a claim of control.

●
ALDRICH RICHARD
Also holds roles at 15 other companies
- ALTUS PHARMACEUTICALS INC.director
- CONCERT PHARMACEUTICALS INCdirector
- Tempest Therapeutics, Inc.director
●
BOHLIN GAREN G
Also holds roles at 7 other companies
- COLLEGIUM PHARMACEUTICAL, INCdirector
- Karyopharm Therapeutics Inc.director
- TETRAPHASE PHARMACEUTICALS INCdirector

20 additional parties & networkSTANDARD

●
BRANNELLY PAUL
Also holds roles at 2 other companies
- COLLEGIUM PHARMACEUTICAL, INCofficer
- Karyopharm Therapeutics Inc.officer
●
CAPELLO JEFFREY D
Also holds roles at 7 other companies
- REVVITY, INC.officer
- AGIOS PHARMACEUTICALS, INC.director
- NEOGEN CORPdirector
●
CLARKE JOHN K
Also holds roles at 9 other companies
- aTYR PHARMA INCdirector
- ALNYLAM PHARMACEUTICALS, INC.director
- aTYR PHARMA INCdirectorother
●
CRANE ALAN L
Also holds roles at 10 other companies
- MOMENTA PHARMACEUTICALS INCofficer
- MOMENTA PHARMACEUTICALS INCdirector
- PANDION THERAPEUTICS HOLDCO LLCtenpercentowner
●
FLINT JONATHAN A
Also holds roles at 11 other companies
- Invivyd, Inc.other
- Lyra Therapeutics, Inc.tenpercentowner
- Phreesia, Inc.tenpercentowner
●
FREUND JOHN GORDON
Also holds roles at 23 other companies
- COLLEGIUM PHARMACEUTICAL, INCdirector
- SI-BONE, Inc.director
- SUTRO BIOPHARMA, INC.director
●
FRIEDMAN PAUL A
Also holds roles at 11 other companies
- INCYTE CORPdirector
- INCYTE CORPofficer
- Prelude Therapeutics Incdirector
●
HOFFMAN STEPHEN J
Also holds roles at 11 other companies
- ALLOS THERAPEUTICSdirector
- ALLOS THERAPEUTICSofficer
- TALPHERA, INC.director
●
JIROUSEK MICHAEL
Also holds roles at 1 other company
- Astria Therapeutics, Inc.officer
●
MCGUIRE TERRANCE
Also holds roles at 23 other companies
- Invivyd, Inc.director
- Seer, Inc.director
- Tectonic Therapeutic, Inc.director
●
POLARIS VENTURE MANAGEMENT CO IV LLC
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POLARIS VENTURE PARTNERS IV LP
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POPS RICHARD F
Also holds roles at 8 other companies
- Alkermes plc.officer
- NEUROCRINE BIOSCIENCES INCdirector
- Alkermes plc.director
●
SCHIMMEL PAUL
Also holds roles at 6 other companies
- ALNYLAM PHARMACEUTICALS, INC.director
- ALKERMES INCdirector
- aTYR PHARMA INCdirector
●
SINCLAIR DAVID
Also holds roles at 3 other companies
- FRONTIER ACQUISITION CORP.tenpercentowner
- FRONTIER ACQUISITION CORP.other
- FRONTIER ACQUISITION CORP.director
●
SPOON ALAN G
Also holds roles at 14 other companies
- DANAHER CORP /DE/director
- Match Group, Inc.director
- NPTG HOLDINGS CORPdirector
●
TVM V LIFE SCIENCE VENTURES GMBH & CO KG
Also holds roles at 4 other companies
- ARGOS THERAPEUTICS INCtenpercentowner
- ENANTA PHARMACEUTICALS INCtenpercentowner
- bluebird bio, Inc.tenpercentowner
●
TVM V LIFE SCIENCE VENTURES MANAGEMENT GMBH & CO. KG
Also holds roles at 3 other companies
- ENANTA PHARMACEUTICALS INCtenpercentowner
- ARGOS THERAPEUTICS INCtenpercentowner
- PHARMASSET INCtenpercentowner
●
WESTPHAL CHRISTOPH H
Also holds roles at 10 other companies
- TScan Therapeutics, Inc.director
- TScan Therapeutics, Inc.tenpercentowner
- DECOY THERAPEUTICS INC.tenpercentowner

●
BRANNELLY PAUL
Also holds roles at 2 other companies
- COLLEGIUM PHARMACEUTICAL, INCofficer
- Karyopharm Therapeutics Inc.officer
●
CAPELLO JEFFREY D
Also holds roles at 7 other companies
- REVVITY, INC.officer
- AGIOS PHARMACEUTICALS, INC.director
- NEOGEN CORPdirector
●
CLARKE JOHN K
Also holds roles at 9 other companies
- aTYR PHARMA INCdirector
- ALNYLAM PHARMACEUTICALS, INC.director
- aTYR PHARMA INCdirectorother
●
CRANE ALAN L
Also holds roles at 10 other companies
- MOMENTA PHARMACEUTICALS INCofficer
- MOMENTA PHARMACEUTICALS INCdirector
- PANDION THERAPEUTICS HOLDCO LLCtenpercentowner
●
FLINT JONATHAN A
Also holds roles at 11 other companies
- Invivyd, Inc.other
- Lyra Therapeutics, Inc.tenpercentowner
- Phreesia, Inc.tenpercentowner
●
FREUND JOHN GORDON
Also holds roles at 23 other companies
- COLLEGIUM PHARMACEUTICAL, INCdirector
- SI-BONE, Inc.director
- SUTRO BIOPHARMA, INC.director
●
FRIEDMAN PAUL A
Also holds roles at 11 other companies
- INCYTE CORPdirector
- INCYTE CORPofficer
- Prelude Therapeutics Incdirector
●
HOFFMAN STEPHEN J
Also holds roles at 11 other companies
- ALLOS THERAPEUTICSdirector
- ALLOS THERAPEUTICSofficer
- TALPHERA, INC.director
●
JIROUSEK MICHAEL
Also holds roles at 1 other company
- Astria Therapeutics, Inc.officer
●
MCGUIRE TERRANCE
Also holds roles at 23 other companies
- Invivyd, Inc.director
- Seer, Inc.director
- Tectonic Therapeutic, Inc.director
●
POLARIS VENTURE MANAGEMENT CO IV LLC
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POLARIS VENTURE PARTNERS IV LP
Also holds roles at 8 other companies
- Lyra Therapeutics, Inc.tenpercentowner
- PULMATRIX, INC.tenpercentowner
- ACCELERON PHARMA INCother
●
POPS RICHARD F
Also holds roles at 8 other companies
- Alkermes plc.officer
- NEUROCRINE BIOSCIENCES INCdirector
- Alkermes plc.director
●
SCHIMMEL PAUL
Also holds roles at 6 other companies
- ALNYLAM PHARMACEUTICALS, INC.director
- ALKERMES INCdirector
- aTYR PHARMA INCdirector
●
SINCLAIR DAVID
Also holds roles at 3 other companies
- FRONTIER ACQUISITION CORP.tenpercentowner
- FRONTIER ACQUISITION CORP.other
- FRONTIER ACQUISITION CORP.director
●
SPOON ALAN G
Also holds roles at 14 other companies
- DANAHER CORP /DE/director
- Match Group, Inc.director
- NPTG HOLDINGS CORPdirector
●
TVM V LIFE SCIENCE VENTURES GMBH & CO KG
Also holds roles at 4 other companies
- ARGOS THERAPEUTICS INCtenpercentowner
- ENANTA PHARMACEUTICALS INCtenpercentowner
- bluebird bio, Inc.tenpercentowner
●
TVM V LIFE SCIENCE VENTURES MANAGEMENT GMBH & CO. KG
Also holds roles at 3 other companies
- ENANTA PHARMACEUTICALS INCtenpercentowner
- ARGOS THERAPEUTICS INCtenpercentowner
- PHARMASSET INCtenpercentowner
●
WESTPHAL CHRISTOPH H
Also holds roles at 10 other companies
- TScan Therapeutics, Inc.director
- TScan Therapeutics, Inc.tenpercentowner
- DECOY THERAPEUTICS INC.tenpercentowner

Unlock all 22 parties, full beneficial ownership chains & directorship networks.

Unlock Standard Dossier€39

22 parties · 0 current. Ceased and resigned records are retained as history.

Standard Dossier€39

The full ownership trace on this subject — every hop to the ultimate owner, its filing history and sanctions exposure — as PDF and JSON, every claim linked to its source.

Everything we hold on SIRTRIS PHARMACEUTICALS, INC., resolved and sourced — yours to keep, no subscription.

INCLUDED WHEN YOU UNLOCK

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Branded PDF + un-redacted JSON · every claim linked to its source
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WHAT YOU CAN SEEFREE

YOURS NOW · FREE

4 items you can read right now — no account, no payment.

Identity, address & registry profile
Sanctions & watchlist detail
Direct connections (1 hop)
Community notes

YOURS AFTER YOU UNLOCK · PAID

2 more items, hidden until you unlock this dossier. The badge on each row names the dossier that includes it.

Full ownership trace to the UBOSTANDARD
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/03

Common questions

Who owns SIRTRIS PHARMACEUTICALS, INC.?: In the current sources, SIRTRIS PHARMACEUTICALS, INC. is connected to POLARIS VENTURE MANAGEMENT CO IV LLC, FLINT JONATHAN A, POLARIS VENTURE PARTNERS IV LP, SPOON ALAN G, POLARIS VENTURE PARTNERS ENTREPRENEURS FUND IV LP and 4 more. Trace the full chain to the ultimate beneficial owner in the WhiteIntel ownership graph.
What is SIRTRIS PHARMACEUTICALS, INC.'s risk level?: WhiteIntel flags SIRTRIS PHARMACEUTICALS, INC. as low risk. Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership.
Where does SIRTRIS PHARMACEUTICALS, INC. appear across sources?: SIRTRIS PHARMACEUTICALS, INC. is indexed in the WhiteIntel corporate-ownership graph (US), with a source on every claim.

Community intel

Crowd leads · unverified

Tips, corrections and leads contributed by the community on SIRTRIS PHARMACEUTICALS, INC.. These are unverified leads, not WhiteIntel findings — we surface them for investigators to chase, and analyse the corroborated ones into SnitchScore.

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