--- title: "Cartesian Therapeutics, Inc. — Ownership Dossier" canonical: https://whiteintel.dev/entity/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd json: https://whiteintel.dev/api/public/dossier/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd identifier: sec:0001453687 jurisdiction: US risk: High source: WhiteIntel corporate-ownership graph --- # Cartesian Therapeutics, Inc. **Type:** Company **Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us) **Identifier:** `sec:0001453687` **Risk level:** High **Canonical dossier:** https://whiteintel.dev/entity/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd **Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd ## Ownership & control ### Owners / controllers - **SPRINGER TIMOTHY A** (10% owner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3 - **SPRINGER TIMOTHY A** (10% owner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3 - **Kalayoglu Murat** (10% owner) — https://whiteintel.dev/entity/87620664-dc27-5eff-9877-2dc371c7645d - **SPRINGER TIMOTHY A** (10% owner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3 - **Kalayoglu Murat** (tenpercentowner) — https://whiteintel.dev/entity/87620664-dc27-5eff-9877-2dc371c7645d - **SEVEN ONE EIGHT THREE FOUR IRREVOCABLE TRUST** (tenpercentowner) — https://whiteintel.dev/entity/6f352176-90f6-56d4-9a94-f8286d15f139 - **HOGE ELIZABETH** (tenpercentowner) — https://whiteintel.dev/entity/a0b2c2ce-98f7-59d0-b864-79b8e2cb1168 - **SPRINGER TIMOTHY A** (tenpercentowner) — https://whiteintel.dev/entity/aaf021ec-5960-5ae4-9a95-f9f20f1e66f3 - **Singer Michael** (tenpercentowner) — https://whiteintel.dev/entity/01b4c528-ccc0-5938-a4ee-88598192d441 - **JOHNSTON LLOYD P.** (tenpercentowner) — https://whiteintel.dev/entity/20df3543-fbda-543d-8a58-523e99f1d935 - **POLARIS VENTURE PARTNERS SPECIAL FOUNDERS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/54199532-192b-5f6c-b7aa-106f1f97a9fb - **FLAGSHIP VENTURES 2007 GENERAL PARTNER LLC** (tenpercentowner) — https://whiteintel.dev/entity/6b253af1-2b70-5af0-9bad-cbbf22b6336c - **TAS PARTNERS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/f0ad313f-4c79-5b6b-b13d-9747e18e21e6 - **ISALY SAMUEL D** (tenpercentowner) — https://whiteintel.dev/entity/6eb4d15a-ef6c-5a2e-bed4-48871342f0c0 - **VTB CAPITAL I2BF NETHERLANDS, B.V.** (tenpercentowner) — https://whiteintel.dev/entity/89ea02b8-7d83-5d79-a5ee-3e29a1b0041d - **SELECTA RKFN, LTD.** (tenpercentowner) — https://whiteintel.dev/entity/49b399a3-bbfc-541c-ac72-946d1b6df132 - **KANIA EDWIN** (tenpercentowner) — https://whiteintel.dev/entity/d4838509-969f-5477-a2f8-25af565d4049 - **LEUKON INVESTMENTS, LP** (tenpercentowner) — https://whiteintel.dev/entity/537c0716-3422-50b0-981d-ccad6995a257 - **VON ANDRIAN ULRICH** (tenpercentowner) — https://whiteintel.dev/entity/c154fc71-b0b3-5c14-8618-05d83f586cad - **OSAGE PARTNERS, LLC** (tenpercentowner) — https://whiteintel.dev/entity/7ffde83b-b2e2-5f74-94e8-ccf872839aa5 - **CAUTREELS WERNER** (tenpercentowner) — https://whiteintel.dev/entity/accb8f92-3b07-5e3a-85e2-4f0e01222670 - **Farokhzad Omid** (tenpercentowner) — https://whiteintel.dev/entity/4a0ea1ec-aea3-504d-ae18-a3b0e73bd0be - **POLARIS VENTURE PARTNERS ENTREPRENEURS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/c59e4638-d483-5503-80e2-a560de0a4494 - **FLAGSHIP VENTURES FUND 2007, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/a9cd3659-7e29-5011-a4e1-bbce020faac7 - **POLARIS VENTURE MANAGEMENT CO. V, L.L.C.** (tenpercentowner) — https://whiteintel.dev/entity/1297e063-d497-51ef-8d8f-22de9e19ee09 - **NASHAT AMIR** (tenpercentowner) — https://whiteintel.dev/entity/5146b29f-a54a-5a97-83c5-b264d3edd5f3 - **NANODIMENSION LIMITED PARTNERSHIP** (tenpercentowner) — https://whiteintel.dev/entity/a26ca2b2-e4d5-5664-8b38-8807c1b4f66e - **OSAGE UNIVERSITY PARTNERS II, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/9fec5e56-9c21-5ca5-83cf-656ef2abf85c - **LANGER ROBERT** (tenpercentowner) — https://whiteintel.dev/entity/a0202684-09d2-501b-b175-349038e3de75 - **ORBIMED ADVISORS LLC** (tenpercentowner) — https://whiteintel.dev/entity/4fe8d3ec-3487-5b04-877d-c8ddaf0718be - **NANODIMENSION MANAGEMENT LTD** (tenpercentowner) — https://whiteintel.dev/entity/8bbfe119-81ba-576a-bffe-96f23a79562c - **OSAGE UNIVERSITY GP II, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/140c4dc5-99fd-5f30-88c2-4bda041560dd - **RUSNANO** (tenpercentowner) — https://whiteintel.dev/entity/f51e5c50-6fdf-5273-aae8-002c6b889c6f - **ORBIMED CAPITAL GP III LLC** (tenpercentowner) — https://whiteintel.dev/entity/d3b7d1d6-5a6d-5aa7-9614-180ffcee2e0a - **POLARIS VENTURE PARTNERS V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/b0e0cc25-53d5-53c3-8c54-45b216435af5 - **GORDON CARL L** (tenpercentowner) — https://whiteintel.dev/entity/f66dc571-93f9-5939-b406-a01b6c73b2c8 - **AFEYAN NOUBAR** (tenpercentowner) — https://whiteintel.dev/entity/080175c9-c913-5ec5-bf23-526c2a6b3290 - **POLARIS VENTURE PARTNERS FOUNDERS' FUND V, L.P.** (tenpercentowner) — https://whiteintel.dev/entity/6ec86ff0-36f2-5c0c-ac28-86b4bc987ed1 ### UBO chain (walk to the ultimate owner) A **107-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 **Cartesian Therapeutics, Inc.** — https://whiteintel.dev/entity/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd · pricing https://whiteintel.dev/pricing. --- _This is the markdown-for-agents view of the WhiteIntel dossier for **Cartesian Therapeutics, Inc.**. Human view: https://whiteintel.dev/entity/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd · Structured JSON: https://whiteintel.dev/api/public/dossier/595d5f58-f9b0-50ec-bf90-fb0e83f33dcd._ _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"._