Company facts
- Headquarters
- Boston, Massachusetts
- Most recent report
- 8-K, filed Oct 1, 2026
- Incorporated
- Delaware
- Filings on record
- 399 filings
- On EDGAR
- CIK 1826457
- Fiscal year ends
- December
- Filer status
- Emerging growth company
Financials 8 of 21
News 8 of 52
Prospectuses and Registrations 8 of 18
- S-8 Registration statement for an employee plan Mar 17, 2026
- S-3ASR Automatic shelf registration Feb 11, 2026
- 424B5 Prospectus supplement for an offering Jan 9, 2026
- 424B5 Prospectus supplement for an offering Jan 7, 2026
- S-3 Shelf registration statement Mar 20, 2025
- S-8 Registration statement for an employee plan Mar 20, 2025
- 424B5 Prospectus supplement for an offering May 16, 2024
- 424B5 Prospectus supplement for an offering May 15, 2024
Proxies 8 of 12
- DEFA14A Extra proxy material Apr 29, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 29, 2026
- DEFA14A Extra proxy material Apr 25, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 25, 2025
- DEFA14A Extra proxy material Apr 26, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 26, 2024
- DEFA14A Extra proxy material Apr 26, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 26, 2023
Ownership 8 of 263
- 4 Insider reported a trade Oct 6, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 14, 2026
- SCHEDULE 13G Large holder reported a passive stake Aug 14, 2026
- 4 Insider reported a trade Jul 17, 2026
- 4 Insider reported a trade Jul 16, 2026
- 144 Notice of a proposed sale of restricted stock Jul 16, 2026
- 144 Notice of a proposed sale of restricted stock Jul 15, 2026
- SCHEDULE 13G/A Large holder reported a passive stake, amended Jul 8, 2026
Other 8 of 33
- ARS Annual report sent to shareholders Apr 29, 2026
- UPLOAD Comment letter from SEC staff Aug 21, 2025
- CORRESP Reply to SEC staff Jul 22, 2025
- UPLOAD Comment letter from SEC staff Jul 15, 2025
- ARS Annual report sent to shareholders Apr 25, 2025
- EFFECT Notice that a registration became effective Mar 31, 2025
- CORRESP Reply to SEC staff Mar 27, 2025
- UPLOAD Comment letter from SEC staff Mar 26, 2025
Everything here comes from Monte Rosa Therapeutics, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.