Company · CIK 1253689 # CRESCENT BIOPHARMA, INC. | CIK | [1253689](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001253689) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | E9 | | Business address | MA | | Listed | CBIO (Nasdaq) | | First annual or quarterly report | 2014-03-31 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-292600 | Registered company Effective | 2026-01-07 | 2026-07-31 | 4 | | 333-297199 | Shelf Effective | 2026-07-01 | 2026-07-15 | 4 | | 333-263297 | Shelf Effective | 2022-03-04 | 2022-04-28 | 3 | | 333-231577 | Shelf Effective | 2019-05-17 | 2020-10-07 | 3 | | 333-220697 | Shelf Effective | 2017-09-28 | 2018-03-21 | 6 | | 333-202808 | Shelf Effective | 2015-03-17 | 2017-05-24 | 8 | | 333-191567 | IPO Final prospectus | 2013-10-04 | 2014-01-10 | 7 | ## Filings 37 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-07-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999526002504/9999999995-26-002504-index.htm) Declared effective | 333-292600 | 9999999995-26-002504 | | 2026-07-15 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000162828026048344/0001628280-26-048344-index.htm) Shelf takedown | 333-297199 | 0001628280-26-048344 | | 2026-07-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000162828026048144/0001628280-26-048144-index.htm) Shelf takedown | 333-297199 | 0001628280-26-048144 | | 2026-07-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999526002258/9999999995-26-002258-index.htm) Declared effective | 333-297199 | 9999999995-26-002258 | | 2026-07-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1253689/000162828026046544/0001628280-26-046544-index.htm) Shelf registered | 333-297199 | 0001628280-26-046544 | | 2026-03-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999526000704/9999999995-26-000704-index.htm) Declared effective | 333-292600 | 9999999995-26-000704 | | 2026-01-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999526000182/9999999995-26-000182-index.htm) Declared effective | 333-292600 | 9999999995-26-000182 | | 2026-01-07 | [S-1](https://www.sec.gov/Archives/edgar/data/1253689/000162828026001227/0001628280-26-001227-index.htm) Registration filed | 333-292600 | 0001628280-26-001227 | | 2025-05-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999525001591/9999999995-25-001591-index.htm) Declared effective | 333-285035 | 9999999995-25-001591 | | 2022-04-28 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000110465922052377/0001104659-22-052377-index.htm) Shelf takedown | 333-263297 | 0001104659-22-052377 | | 2022-04-22 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999522001062/9999999995-22-001062-index.htm) Declared effective | 333-263297 | 9999999995-22-001062 | | 2022-03-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1253689/000110465922030591/0001104659-22-030591-index.htm) Shelf registered | 333-263297 | 0001104659-22-030591 | | 2020-10-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746920005139/0001047469-20-005139-index.htm) Shelf takedown | 333-231577 | 0001047469-20-005139 | | 2019-05-28 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999519001225/9999999995-19-001225-index.htm) Declared effective | 333-231577 | 9999999995-19-001225 | | 2019-05-17 | [S-3](https://www.sec.gov/Archives/edgar/data/1253689/000104746919003186/0001047469-19-003186-index.htm) Shelf registered | 333-231577 | 0001047469-19-003186 | | 2018-03-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746918001954/0001047469-18-001954-index.htm) Shelf takedown | 333-220697 | 0001047469-18-001954 | | 2018-03-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746918001847/0001047469-18-001847-index.htm) Shelf takedown | 333-220697 | 0001047469-18-001847 | | 2017-10-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999517002619/9999999995-17-002619-index.htm) Declared effective | 333-220697 | 9999999995-17-002619 | | 2017-10-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746917006264/0001047469-17-006264-index.htm) Shelf takedown | 333-220697 | 0001047469-17-006264 | | 2017-10-06 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746917006262/0001047469-17-006262-index.htm) Shelf takedown | 333-220697 | 0001047469-17-006262 | | 2017-09-28 | [S-3](https://www.sec.gov/Archives/edgar/data/1253689/000104746917006107/0001047469-17-006107-index.htm) Shelf registered | 333-220697 | 0001047469-17-006107 | | 2017-05-24 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746917003611/0001047469-17-003611-index.htm) Shelf takedown | 333-202808 | 0001047469-17-003611 | | 2017-05-22 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746917003539/0001047469-17-003539-index.htm) Shelf takedown | 333-202808 | 0001047469-17-003539 | | 2016-06-17 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746916013866/0001047469-16-013866-index.htm) Shelf takedown | 333-202808 | 0001047469-16-013866 | | 2016-06-16 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000104746916013851/0001047469-16-013851-index.htm) Shelf takedown | 333-202808 | 0001047469-16-013851 | | 2016-06-02 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000155837016006257/0001558370-16-006257-index.htm) Shelf takedown | 333-202808 | 0001558370-16-006257 | | 2016-03-01 | [424B5](https://www.sec.gov/Archives/edgar/data/1253689/000155837016003734/0001558370-16-003734-index.htm) Shelf takedown | 333-202808 | 0001558370-16-003734 | | 2015-03-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999515000685/9999999995-15-000685-index.htm) Declared effective | 333-202808 | 9999999995-15-000685 | | 2015-03-17 | [S-3](https://www.sec.gov/Archives/edgar/data/1253689/000119312515094208/0001193125-15-094208-index.htm) Shelf registered | 333-202808 | 0001193125-15-094208 | | 2014-01-10 | [424B4](https://www.sec.gov/Archives/edgar/data/1253689/000119312514007921/0001193125-14-007921-index.htm) Final prospectus | 333-191567 | 0001193125-14-007921 | | 2014-01-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1253689/999999999514000079/9999999995-14-000079-index.htm) Declared effective | 333-191567 | 9999999995-14-000079 | | 2014-01-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1253689/000119312514003460/0001193125-14-003460-index.htm) Amendment | 333-191567 | 0001193125-14-003460 | | 2013-12-20 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1253689/000119312513479615/0001193125-13-479615-index.htm) Amendment | 333-191567 | 0001193125-13-479615 | | 2013-10-31 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1253689/000119312513421071/0001193125-13-421071-index.htm) Amendment | 333-191567 | 0001193125-13-421071 | | 2013-10-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1253689/000119312513412381/0001193125-13-412381-index.htm) Amendment | 333-191567 | 0001193125-13-412381 | | 2013-10-04 | [S-1](https://www.sec.gov/Archives/edgar/data/1253689/000119312513391443/0001193125-13-391443-index.htm) Registration filed | 333-191567 | 0001193125-13-391443 | | 2013-08-21 | [DRS](https://www.sec.gov/Archives/edgar/data/1253689/000095012313007128/0000950123-13-007128-index.htm) Draft made public | 377-00294 | 0000950123-13-007128 | [All filings of this company](https://equitycapital.markets/filings?cik=1253689) · [CSV](https://equitycapital.markets/filings.csv?cik=1253689) --- Source page: https://equitycapital.markets/company/1253689 · Data: U.S. SEC EDGAR · CC BY 4.0