--- title: "TRUBION PHARMACEUTICALS, INC — Ownership Dossier" canonical: https://whiteintel.dev/entity/4ff3540a-9f80-569c-beed-b98c83602a21 json: https://whiteintel.dev/api/public/dossier/4ff3540a-9f80-569c-beed-b98c83602a21 identifier: sec:0001298521 jurisdiction: US risk: Low source: WhiteIntel corporate-ownership graph --- # TRUBION PHARMACEUTICALS, INC **Type:** Company **Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us) **Identifier:** `sec:0001298521` **Risk level:** Low **Canonical dossier:** https://whiteintel.dev/entity/4ff3540a-9f80-569c-beed-b98c83602a21 **Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4ff3540a-9f80-569c-beed-b98c83602a21 ## Ownership & control ### Owners / controllers - **HEALTHCARE FOCUS FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/0b4167b1-0426-5f63-9e25-c09436b6631f - **FRAZIER HEALTHCARE IV LP** (tenpercentowner) — https://whiteintel.dev/entity/8d3726cc-1923-54c1-881e-1765a7873f79 - **ARCH VENTURE PARTNERS V LP** (tenpercentowner) — https://whiteintel.dev/entity/13f9fec6-6098-51e9-a15a-a0ab13ebe9f2 - **FRAZIER HEALTHCARE III, LP** (tenpercentowner) — https://whiteintel.dev/entity/eaaf3f74-0c2a-57cb-b598-ec763788fdb6 - **BYBEE CLINTON** (tenpercentowner) — https://whiteintel.dev/entity/e1a5ed30-1d0e-514b-8bdb-ad7288e7513f - **LAZARUS STEVEN** (tenpercentowner) — https://whiteintel.dev/entity/596b69f1-9e12-58c1-9d23-f9c43b629b01 - **FRAZIER AFFILIATES III, LP** (tenpercentowner) — https://whiteintel.dev/entity/c880249a-2ea4-5c2d-b16e-17c007722d1a - **FHM IV LLC** (tenpercentowner) — https://whiteintel.dev/entity/c7bb64c8-1cc0-5cf4-a4da-2877cdfb3320 - **ARCH V ENTREPRENEURS FUND LP** (tenpercentowner) — https://whiteintel.dev/entity/19cfe50f-55a6-5db0-813d-6765bfadf943 - **ARCH VENTURE PARTNERS V LLC** (tenpercentowner) — https://whiteintel.dev/entity/40bf3119-6d74-5152-aaee-c1efc5a21a81 - **NELSEN ROBERT** (tenpercentowner) — https://whiteintel.dev/entity/eaa300c3-45d7-535f-9a87-678e025e82f1 - **ARCH VENTURE FUND V LP** (tenpercentowner) — https://whiteintel.dev/entity/21e84a18-c920-5807-8dbe-39f9d8db80c2 - **FHM III, LLC** (tenpercentowner) — https://whiteintel.dev/entity/5ca24a87-2a25-57a7-928d-50d27db697eb - **ABBOTT LABORATORIES** (tenpercentowner) — https://whiteintel.dev/entity/3e9dd000-e700-59d5-9eee-76f0ca15f130 - **FRAZIER AFFILIATES IV LP** (tenpercentowner) — https://whiteintel.dev/entity/437e13d1-48d4-515f-9019-25783f49a37f - **CRANDELL KEITH** (tenpercentowner) — https://whiteintel.dev/entity/0b31fd41-500a-5cb1-a77b-41f0d275e1d6 - **ABBOTT BIOTHERAPEUTICS CORP** (tenpercentowner) — https://whiteintel.dev/entity/0cc7647d-818e-5166-83ba-f7236fd5d0ef - **HOVE ANDERS D** (tenpercentowner) — https://whiteintel.dev/entity/93de1c54-ab14-5b37-8f46-9b0dc73c0c86 - **MRNA FUND II LP** (tenpercentowner) — https://whiteintel.dev/entity/d4e85058-e742-5111-815c-166d80ab4211 - **VENROCK ASSOCIATES IV, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/642d87be-562f-5131-989a-e2084327ea3b - **OXFORD BIOSCIENCE PARTNERS IV LP** (tenpercentowner) — https://whiteintel.dev/entity/38a046dd-99c5-5e8a-a521-fe249951ed74 - **HAYDEN-LEDBETTER MARTHA** (tenpercentowner) — https://whiteintel.dev/entity/3f6e662f-fba0-5e16-bf68-1bd5ce2d855f - **HIRSCH RUSSELL C** (tenpercentowner) — https://whiteintel.dev/entity/00791470-9444-5031-b2ff-c591d2cbecc6 - **LYTTON MICHAEL** (tenpercentowner) — https://whiteintel.dev/entity/5510314e-9b58-53ec-afe9-57f2477bf5fe - **CARTHY MARK** (tenpercentowner) — https://whiteintel.dev/entity/7e4c7bde-bc92-5016-8728-42c0740624e3 - **FLEMING JONATHAN** (tenpercentowner) — https://whiteintel.dev/entity/2f920e53-2afa-52fc-8ec4-0d7935c36e6e - **PROSPECT ASSOCIATES II L P** (tenpercentowner) — https://whiteintel.dev/entity/68c513ed-405b-5117-b4fa-305ce0be47e6 - **BARNES JEFFREY T** (tenpercentowner) — https://whiteintel.dev/entity/0b3d2f3b-ef40-5302-8e80-7e59a01413ab - **VEF MANAGEMENT IV, LLC** (tenpercentowner) — https://whiteintel.dev/entity/168b7ea3-46eb-5cc9-82ac-bea6d0d0e636 - **TANANBAUM JAMES B** (tenpercentowner) — https://whiteintel.dev/entity/67352955-0460-59e9-9dbf-4f10785d0981 - **VENROCK PARTNERS MANAGEMENT, LLC** (tenpercentowner) — https://whiteintel.dev/entity/16617b64-593f-54c6-81e9-edff65170f41 - **WALTON ALAN** (tenpercentowner) — https://whiteintel.dev/entity/23bb257a-c368-5f74-ad29-02e6b0be3977 - **PROSPECT MANAGEMENT CO II LLC** (tenpercentowner) — https://whiteintel.dev/entity/3a7175de-8f2a-5fa9-8289-c46b80abf60c - **FHM IV LP** (tenpercentowner) — https://whiteintel.dev/entity/0422ae5b-5060-5d1f-8757-74a218517de3 - **PROSPECT VENTURE PARTNERS II LP** (tenpercentowner) — https://whiteintel.dev/entity/8c8f508e-40a8-5a75-9953-b695667a8bb7 - **VENROCK ENTREPRENEURS FUND IV, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/fc9439ee-c8fc-5272-b269-810f51a831e3 - **VENROCK MANAGEMENT IV, LLC** (tenpercentowner) — https://whiteintel.dev/entity/372c5f3d-9e9d-5230-9326-0d2a8449c594 - **BARKAS ALEXANDER E** (tenpercentowner) — https://whiteintel.dev/entity/7d749ecd-9624-51d4-8b3f-b745ae6f7ba3 - **CLARK EDWARD A** (tenpercentowner) — https://whiteintel.dev/entity/07c5c623-c02e-5768-bcb7-70e664dba5e6 - **OBP MANAGEMENT IV LP** (tenpercentowner) — https://whiteintel.dev/entity/b82d1965-b23b-5d31-9711-64229eb22d6d - **LEDBETTER JEFFREY A** (tenpercentowner) — https://whiteintel.dev/entity/9c99b837-625c-5fc7-a087-bd33077ecc14 - **VENROCK PARTNERS, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/83c1d325-bf25-50bf-a8b7-ef88f3cb4079 ### UBO chain (walk to the ultimate owner) A **230-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing. ## Get the full, resolved dossier (agent-callable) The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent: ```bash npx -y @whiteintel/mcp-server # then: get_dossier · trace_ownership_path · check_offshore_exposure ``` Or unlock a one-off cited dossier for **TRUBION PHARMACEUTICALS, INC** — https://whiteintel.dev/entity/4ff3540a-9f80-569c-beed-b98c83602a21 · pricing https://whiteintel.dev/pricing. --- _This is the markdown-for-agents view of the WhiteIntel dossier for **TRUBION PHARMACEUTICALS, INC**. Human view: https://whiteintel.dev/entity/4ff3540a-9f80-569c-beed-b98c83602a21 · Structured JSON: https://whiteintel.dev/api/public/dossier/4ff3540a-9f80-569c-beed-b98c83602a21._ _Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._