Company · CIK 1755237

# Korsana Biosciences, Inc.

| CIK | [1755237](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001755237) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | MA |
| Business address | MA |
| Listed | KRSA (Nasdaq) |
| First annual or quarterly report | 2019-05-13 |

## Offerings

 6 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-287006 | Shelf Effective | 2025-05-06 | 2025-05-15 | 2 |
| 333-284690 | Shelf Effective | 2025-02-04 | 2025-05-07 | 3 |
| 333-257145 | Shelf Final prospectus | 2021-06-16 | 2021-06-24 | 3 |
| 333-240095 | Shelf Effective | 2020-07-24 | 2020-09-03 | 3 |
| 333-242334 | Shelf Final prospectus | 2020-08-07 | 2020-08-17 | 3 |
| 333-230944 | First-time registration Effective | 2019-04-18 | 2019-04-23 | 2 |

## Filings

 19

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2026-07-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999526002441/9999999995-26-002441-index.htm) Declared effective | 333-295175 | 9999999995-26-002441 |
| 2025-05-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999525001628/9999999995-25-001628-index.htm) Declared effective | 333-287006 | 9999999995-25-001628 |
| 2025-05-07 | [424B5](https://www.sec.gov/Archives/edgar/data/1755237/000119312525115085/0001193125-25-115085-index.htm) Shelf takedown | 333-284690 | 0001193125-25-115085 |
| 2025-05-06 | [S-3](https://www.sec.gov/Archives/edgar/data/1755237/000119312525113869/0001193125-25-113869-index.htm) Shelf registered | 333-287006 | 0001193125-25-113869 |
| 2025-02-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999525000427/9999999995-25-000427-index.htm) Declared effective | 333-284690 | 9999999995-25-000427 |
| 2025-02-04 | [S-3](https://www.sec.gov/Archives/edgar/data/1755237/000119312525020077/0001193125-25-020077-index.htm) Shelf registered | 333-284690 | 0001193125-25-020077 |
| 2021-06-24 | [424B4](https://www.sec.gov/Archives/edgar/data/1755237/000114036121022140/0001140361-21-022140-index.htm) Final prospectus | 333-257145 | 0001140361-21-022140 |
| 2021-06-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999521002479/9999999995-21-002479-index.htm) Declared effective | 333-257145 | 9999999995-21-002479 |
| 2021-06-16 | [S-3](https://www.sec.gov/Archives/edgar/data/1755237/000114036121021236/0001140361-21-021236-index.htm) Shelf registered | 333-257145 | 0001140361-21-021236 |
| 2020-09-03 | [424B5](https://www.sec.gov/Archives/edgar/data/1755237/000110465920102276/0001104659-20-102276-index.htm) Shelf takedown | 333-240095 | 0001104659-20-102276 |
| 2020-08-17 | [424B4](https://www.sec.gov/Archives/edgar/data/1755237/000110465920095986/0001104659-20-095986-index.htm) Final prospectus | 333-242334 | 0001104659-20-095986 |
| 2020-08-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999520002162/9999999995-20-002162-index.htm) Declared effective | 333-242334 | 9999999995-20-002162 |
| 2020-08-07 | [S-3](https://www.sec.gov/Archives/edgar/data/1755237/000110465920091997/0001104659-20-091997-index.htm) Shelf registered | 333-242334 | 0001104659-20-091997 |
| 2020-07-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999520001998/9999999995-20-001998-index.htm) Declared effective | 333-240095 | 9999999995-20-001998 |
| 2020-07-24 | [S-3](https://www.sec.gov/Archives/edgar/data/1755237/000110465920086517/0001104659-20-086517-index.htm) Shelf registered | 333-240095 | 0001104659-20-086517 |
| 2019-04-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1755237/999999999519000803/9999999995-19-000803-index.htm) Declared effective | 333-230944 | 9999999995-19-000803 |
| 2019-04-18 | [S-1](https://www.sec.gov/Archives/edgar/data/1755237/000104746919002389/0001047469-19-002389-index.htm) Registration filed | 333-230944 | 0001047469-19-002389 |
| 2019-04-09 | [DRS](https://www.sec.gov/Archives/edgar/data/1755237/000091205719000160/0000912057-19-000160-index.htm) Draft made public | 377-02587 | 0000912057-19-000160 |
| 2018-10-09 | [DRS](https://www.sec.gov/Archives/edgar/data/1755237/000091205718000392/0000912057-18-000392-index.htm) Draft made public | 377-02304 | 0000912057-18-000392 |

[All filings of this company](https://equitycapital.markets/filings?cik=1755237) · [CSV](https://equitycapital.markets/filings.csv?cik=1755237)

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Source page: https://equitycapital.markets/company/1755237 · Data: U.S. SEC EDGAR · CC BY 4.0