# RayzeBio, Inc. — Form D

RayzeBio, Inc. of SAN DIEGO, CA, a company, filed a Form D exempt-offering notice with the SEC on 2020-12-01. The offering totals $105.0M, of which $105.0M was reported sold. Industry: Biotechnology.

## Offering

- Filed: 2020-12-01
- Form: D
- Accession: 0001825367-20-000002
- Industry: Biotechnology
- Exemptions: 06b
- Total offering: $105.0M
- Amount sold: $105.0M
- Investors: 17
- Date of first sale: 2020-11-23
- Security types: equity
- Revenue range: Decline to Disclose
- SEC file number: 021-381852

## Issuer

- Name: RayzeBio, Inc.
- CIK: 0001825367
- Entity type: Corporation
- Jurisdiction: DELAWARE
- Incorporated: 2020
- Address: 5505 MOREHOUSE DRIVE, SUITE 300, SAN DIEGO, CA, 92121
- Phone: (619) 937-2754

## Officers, directors & promoters (14)

| Name | Role | Location |
| --- | --- | --- |
| Mary Tagliaferri | Director | San Diego, CA |
| Alex Rosen | Director | New York, NY |
| Maha Katabi | Director | San Francisco, CA |
| Bong Koh | Director | Willow Grove, PA |
| Arvind Kush | Executive Officer | San Diego, CA |
| Aaron Royston | Director | Cambridge, MA |
| Jerel Davis | Director | Alameda, CA |
| Aaron Kantoff | Director | Rockville, MD |
| Deborah Charych | Executive Officer | San Diego, CA |
| Angie You | Director | San Diego, CA |
| Yi Larson | Director | San Diego, CA |
| Aubrey Haddach | Executive Officer | San Diego, CA |
| Ken Song | Director | San Diego, CA |
| Ken Song | Executive Officer | San Diego, CA |

## Other filings by this issuer (3)

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2022-09-22](https://search.stillhousedata.com/formd/0001916991-22-000003) | D | $167.9M | $167.9M |
| [2021-06-10](https://search.stillhousedata.com/formd/0001841613-21-000006) | D | $108.5M | $108.5M |
| [2020-11-09](https://search.stillhousedata.com/formd/0001825367-20-000001) | D | $45.0M | $15.0M |

## More

- [CIK 1825367 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1825367&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0001825367-20-000002.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.