---
title: "Boyce Sarah — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d28d0656-bb8b-54fc-8fc7-841c32394fe5
json: https://whiteintel.dev/api/public/dossier/d28d0656-bb8b-54fc-8fc7-841c32394fe5
identifier: sec:0001629383
jurisdiction: US
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Boyce Sarah

**Type:** Person  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001629383`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/d28d0656-bb8b-54fc-8fc7-841c32394fe5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d28d0656-bb8b-54fc-8fc7-841c32394fe5  

## Ownership & control

### Holdings / subsidiaries

- **Avidity Biosciences, Inc.** (officer) — https://whiteintel.dev/entity/bd34251b-e8ac-5c06-9d12-d71d895fcd74
- **Avidity Biosciences, Inc.** (officer) — https://whiteintel.dev/entity/bd34251b-e8ac-5c06-9d12-d71d895fcd74
- **Avidity Biosciences, Inc.** (officer) — https://whiteintel.dev/entity/bd34251b-e8ac-5c06-9d12-d71d895fcd74
- **Contineum Therapeutics, Inc.** (director) — https://whiteintel.dev/entity/133dd096-0412-55dd-9c60-de26ff4eae33
- **Avidity Biosciences, Inc.** (director) — https://whiteintel.dev/entity/bd34251b-e8ac-5c06-9d12-d71d895fcd74
- **ATRIUM THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/4423bb17-d241-5018-93fe-5b00162b4cd1
- **Avidity Biosciences, Inc.** (officer) — https://whiteintel.dev/entity/bd34251b-e8ac-5c06-9d12-d71d895fcd74
- **OmniAb, Inc.** (director) — https://whiteintel.dev/entity/0131cfc4-e26f-5414-b4d6-01f83a737c87
- **LIGAND PHARMACEUTICALS INC** (other) — https://whiteintel.dev/entity/e2911e68-d132-5192-86b6-b4f7b7e7b48c
- **LIGAND PHARMACEUTICALS INC** (director) — https://whiteintel.dev/entity/e2911e68-d132-5192-86b6-b4f7b7e7b48c
- **BERKELEY LIGHTS, INC.** (director) — https://whiteintel.dev/entity/219efcb3-2b4d-5ff9-b333-ebde0abbdb0c
- **AKCEA THERAPEUTICS, INC.** (director) — https://whiteintel.dev/entity/351e99d5-19de-53fa-84cd-d9883bafc8a3

…and **2** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) 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 **Boyce Sarah** — https://whiteintel.dev/entity/d28d0656-bb8b-54fc-8fc7-841c32394fe5 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Boyce Sarah**. Human view: https://whiteintel.dev/entity/d28d0656-bb8b-54fc-8fc7-841c32394fe5 · Structured JSON: https://whiteintel.dev/api/public/dossier/d28d0656-bb8b-54fc-8fc7-841c32394fe5._

_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"._