Private company
RayzeBio, Inc.
RayzeBio, Inc. is an American pharmaceutical preparations company based in San Diego.1
Last updated Oct 21, 2026.
Overview
Corporate structure
RayzeBio, Inc. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of RayzeBio, Inc.
- VIKING GLOBAL INVESTORS LP Filed SC 13G/A on RayzeBio, Inc., latest Feb 28, 2024 (2 filings since Sep 21, 2023)
- Venrock Healthcare Capital Partners III, L.P. Filed SC 13G/A on RayzeBio, Inc., latest Feb 14, 2024 (2 filings since Sep 29, 2023)
- venBio Global Strategic Fund III, L.P. Filed SC 13G on RayzeBio, Inc., latest Feb 9, 2024
- Versant Venture Capital VII, L.P. Filed SC 13G on RayzeBio, Inc., latest Feb 8, 2024
- Wellington Management Company Filed SC 13G on RayzeBio, Inc., latest Feb 8, 2024
- RayzeBio, Inc. San Diego, California
Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Leadership
Who has led RayzeBio, Inc., and when. Pick a name to see everywhere that person has worked.
Chief executive
President
Chief financial officer
- Chief executive officerKenneth Song Sep 14, 2023 to Feb 27, 20243
- PresidentKenneth Song Sep 14, 2023 to Feb 27, 20243
- Chief financial officerArvind Kush Sep 14, 2023 to Feb 27, 20244
Board members and other officers (10)
- Chief Medical OfficerSusan Moran Sep 14, 2023 to Feb 27, 20245
- Board memberAaron Royston Sep 14, 2023 to Sep 14, 20236
- Board memberAngie You Sep 14, 2023 to Feb 27, 20247
- Board memberChristy J. Oliger Sep 14, 2023 to Feb 27, 20248
- Board memberKenneth Song Sep 14, 2023 to Feb 27, 20243
- Board memberMaha Katabi Sep 14, 2023 to Feb 27, 20249
- Board memberMary Tagliaferri Sep 14, 2023 to Feb 27, 202410
- Board memberRichard A. Heyman Sep 14, 2023 to Feb 27, 202411
- Board memberYi Larson Sep 14, 2023 to Feb 27, 202412
- Board memberHauwermeiren Timothy Van Nov 1, 2023 to Feb 27, 202413
Named in SEC Form D filings
People the company listed in its private-offering notices.
Timeline
- Feb 26, 20248-K Ended a material agreement; Completed an acquisition or sale; Listing notice or transfer15
- Dec 26, 20238-K Entered a material agreement; Executive or director change; Regulation FD disclosure16
- Nov 13, 20238-K Results of operations17
- Nov 1, 20238-K Executive or director change18
- Sep 19, 20238-K Bylaws or fiscal year changed; Other events19
- Sep 14, 2023New chief executive Kenneth Song becomes CEO3
Calendar
When it reported results
- Nov 13, 2023Reported quarterly or annual results17
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar
Filings
96 filings to the SEC since October 2021: 1 quarterly reports, 5 major events, 41 insider forms, 7 large holders, 1 private raises, 41 other. The latest 20:
- Mar 7, 202415-12G EDGAR
- Feb 28, 20244 EDGAR
- Feb 28, 20244 EDGAR
- Feb 28, 2024SC 13G/A EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 27, 20244 EDGAR
- Feb 26, 2024S-8 POS EDGAR
- Feb 26, 20248-K EDGAR
- Feb 23, 2024SC 14D9/A EDGAR
- Feb 16, 2024CORRESP EDGAR
- Feb 14, 2024SC 14D9/A EDGAR
- Feb 14, 2024SC 13G/A EDGAR
The 96 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Insider trades
3 open-market trades by officers, directors and large owners since October 2021: 3 buys and 0 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Sep 19, 2023 | Katabi MahaDirector | Buy | 472,222 | $18.00 | $8.5M | Form 4 |
| Sep 19, 2023 | Viking Global Opportunities Drawdown GP LLC10% owner | Buy | 1,388,889 | $18.00 | $25.0M | Form 4 |
| Sep 19, 2023 | Shabet Rose Sharon10% owner | Buy | 1,388,889 | $18.00 | $25.0M | Form 4 |
From Forms 4 filed with the SEC.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- VIKING GLOBAL INVESTORS LPSC 13G/A, 2 filings Sep 21, 2023 to Feb 28, 202420
- Venrock Healthcare Capital Partners III, L.P.SC 13G/A, 2 filings Sep 29, 2023 to Feb 14, 202421
- venBio Global Strategic Fund III, L.P.SC 13G, 1 filing Feb 9, 202422
- Versant Venture Capital VII, L.P.SC 13G, 1 filing Feb 8, 202423
- Wellington Management CompanySC 13G, 1 filing Feb 8, 202424
Funding
Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.
- Private raises (Form D) $167.9M
Figures by year
| Year | Private raises (Form D) | Total |
|---|---|---|
| 2022 | $167.9M | $167.9M |
Private raises
Private offerings the company reported to the SEC on Form D. The amount is what the latest filing says was sold so far, charted in the year of the first sale. Covers filings since Oct 1, 2021.
SEC filer profile
How RayzeBio, Inc. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARRayzeBio, Inc.1
- CIK0001825367
- Filer status<br>emerging growth company1
- Incorporated inDelaware1
- Fiscal year endsDecember 311
- Industry code (SIC)2834 Pharmaceutical Preparations1
- SEC reviewing officeOffice of Life Sciences, Division of Corporation Finance1
- Business address5505 Morehouse Drive, Suite 300, San Diego, CA 921211
- Phone(619) 937-27541
- Shares outstanding59,919,502 as of Nov 7, 202325
- On EDGAR sinceNov 9, 20201
- Filings105 in all: 4 (24), 3 (17), UPLOAD (8), CORRESP (6), 8-K (5), SC 13G (5), D (4), DRS/A (3)1
All 30 form types
DRSLTR (3), SC 14D9/A (3), SC TO-T/A (3), SC14D9C (3), SEC STAFF LETTER (3), SC 13G/A (2), 10-Q (1), 15-12G (1), 25-NSE (1), 424B4 (1), 8-A12B (1), CERT (1), DRS (1), EFFECT (1), S-1 (1), S-1/A (1), S-1MEF (1), S-8 (1), S-8 POS (1), SC 14D9 (1), SC TO-C (1), SC TO-T (1)
- Latest filingsQuarterly report (10-Q) Nov 13, 2023
Latest 8-K (8-K) Feb 26, 2024
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARRayzeBio, Inc. filings on SEC EDGAR
- 2SEC EDGARRayzeBio, Inc. filings on SEC EDGAR
- 3
- 4SEC EDGARArvind Kush, Chief financial officer
- 5SEC EDGARSusan Moran, Chief Medical Officer
- 6SEC EDGARAaron Royston, Board member
- 7SEC EDGARAngie You, Board member
- 8SEC EDGARChristy J. Oliger, Board member
- 9SEC EDGARMaha Katabi, Board member
- 10SEC EDGARMary Tagliaferri, Board member
- 11SEC EDGARRichard A. Heyman, Board member
- 12SEC EDGARYi Larson, Board member
- 13
- 14
- 15
- 16
- 17SEC EDGARResults of operations
- 18SEC EDGARExecutive or director change
- 19
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- 25