Company facts
- Industry
- Pharmaceutical Preparations
- Headquarters
- Copenhagen
- Most recent report
- 8-K, filed Mar 31, 2026
- Incorporated
- Delaware
- Filings on record
- 270 filings
- On EDGAR
- CIK 1865494
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8 of 18
News 8 of 54
- 8-K Leadership change Mar 31, 2026
- 8-K Current report on a material event Feb 13, 2026
- 8-K Leadership change Jan 30, 2026
- 8-K Other events Jan 21, 2026
- 8-K Current report on a material event Dec 19, 2025
- 8-K Leadership change Nov 21, 2025
- 8-K Current report on a material event Nov 18, 2025
- 8-K Quarterly results Nov 14, 2025
Prospectuses and Registrations 8 of 16
- 25-NSE Notice that a security was delisted Jun 8, 2026
- S-3 Shelf registration statement Jul 24, 2025
- S-3 Shelf registration statement May 23, 2025
- S-8 Registration statement for an employee plan Apr 7, 2025
- S-8 Registration statement for an employee plan Mar 11, 2024
- 424B2 Prospectus supplement for an offering Sep 12, 2023
- S-3 Shelf registration statement Aug 30, 2023
- 424B2 Prospectus supplement for an offering Feb 15, 2023
Proxies 8 of 9
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material Apr 24, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 24, 2024
- DEFA14A Extra proxy material Apr 26, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 26, 2023
- PRE 14A Preliminary proxy statement Apr 14, 2023
- DEFA14A Extra proxy material Apr 14, 2022
Ownership 8 of 140
- SCHEDULE 13D/A Large holder reported an active stake, amended Jun 2, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 20, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended May 15, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Apr 6, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Feb 13, 2026
- SCHEDULE 13G Large holder reported a passive stake Feb 6, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Jan 23, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Nov 14, 2025
Other 8 of 33
- EFFECT Notice that a registration became effective Jul 31, 2025
- CORRESP Reply to SEC staff Jul 29, 2025
- UPLOAD Comment letter from SEC staff Jul 29, 2025
- EFFECT Notice that a registration became effective Jun 11, 2025
- CORRESP Reply to SEC staff Jun 9, 2025
- UPLOAD Comment letter from SEC staff May 29, 2025
- ARS Annual report sent to shareholders Apr 25, 2025
- UPLOAD Comment letter from SEC staff Aug 13, 2024
Everything here comes from IO Biotech, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.