Company · CIK 1828673 # HCW Biologics Inc. | CIK | [1828673](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001828673) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | FL | | Listed | HCWB (Nasdaq) | | First annual or quarterly report | 2021-08-13 | ## Offerings 10 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-299271 | Registered company Effective | 2026-10-02 | 2026-10-09 | 2 | | 333-298452 | Registered company Effective | 2026-08-20 | 2026-08-31 | 3 | | 333-296577 | Registered company Effective | 2026-06-08 | 2026-06-18 | 3 | | 333-295280 | Registered company Effective | 2026-04-23 | 2026-04-29 | 3 | | 333-293396 | Registered company Final prospectus | 2026-02-11 | 2026-02-19 | 5 | | 333-292652 | Registered company Effective | 2026-01-09 | 2026-01-29 | 2 | | 333-287136 | Registered company Final prospectus | 2025-05-09 | 2025-05-15 | 4 | | 333-286409 | Registered company Effective | 2025-04-07 | 2025-04-16 | 2 | | 333-266991 | Shelf Effective | 2022-08-19 | 2022-08-26 | 2 | | 333-256510 | IPO Final prospectus | 2021-05-26 | 2021-07-21 | 6 | ## Filings 37 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-10-09 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526003211/9999999995-26-003211-index.htm) Declared effective | 333-299271 | 9999999995-26-003211 | | 2026-10-02 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000149315226045532/0001493152-26-045532-index.htm) Registration filed | 333-299271 | 0001493152-26-045532 | | 2026-08-31 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526002836/9999999995-26-002836-index.htm) Declared effective | 333-298452 | 9999999995-26-002836 | | 2026-08-28 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000149315226040618/0001493152-26-040618-index.htm) Amendment | 333-298452 | 0001493152-26-040618 | | 2026-08-20 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000149315226039452/0001493152-26-039452-index.htm) Registration filed | 333-298452 | 0001493152-26-039452 | | 2026-06-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526002066/9999999995-26-002066-index.htm) Declared effective | 333-296577 | 9999999995-26-002066 | | 2026-06-18 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000149315226029235/0001493152-26-029235-index.htm) Amendment | 333-296577 | 0001493152-26-029235 | | 2026-06-08 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000149315226027656/0001493152-26-027656-index.htm) Registration filed | 333-296577 | 0001493152-26-027656 | | 2026-04-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526001391/9999999995-26-001391-index.htm) Declared effective | 333-295280 | 9999999995-26-001391 | | 2026-04-24 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000149315226018992/0001493152-26-018992-index.htm) Amendment | 333-295280 | 0001493152-26-018992 | | 2026-04-23 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000149315226018758/0001493152-26-018758-index.htm) Registration filed | 333-295280 | 0001493152-26-018758 | | 2026-04-13 | [DRS](https://www.sec.gov/Archives/edgar/data/1828673/000149315226016232/0001493152-26-016232-index.htm) Draft made public | 377-09248 | 0001493152-26-016232 | | 2026-02-19 | [424B4](https://www.sec.gov/Archives/edgar/data/1828673/000119312526059279/0001193125-26-059279-index.htm) Final prospectus | 333-293396 | 0001193125-26-059279 | | 2026-02-17 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526000619/9999999995-26-000619-index.htm) Declared effective | 333-293396 | 9999999995-26-000619 | | 2026-02-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312526053303/0001193125-26-053303-index.htm) Amendment | 333-293396 | 0001193125-26-053303 | | 2026-02-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312526051317/0001193125-26-051317-index.htm) Amendment | 333-293396 | 0001193125-26-051317 | | 2026-02-11 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000119312526046873/0001193125-26-046873-index.htm) Registration filed | 333-293396 | 0001193125-26-046873 | | 2026-01-29 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999526000348/9999999995-26-000348-index.htm) Declared effective | 333-292652 | 9999999995-26-000348 | | 2026-01-09 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000119312526009044/0001193125-26-009044-index.htm) Registration filed | 333-292652 | 0001193125-26-009044 | | 2025-12-19 | [DRS](https://www.sec.gov/Archives/edgar/data/1828673/000119312525327073/0001193125-25-327073-index.htm) Draft made public | 377-08848 | 0001193125-25-327073 | | 2025-10-01 | [DRS](https://www.sec.gov/Archives/edgar/data/1828673/000119312525225594/0001193125-25-225594-index.htm) Draft made public | 377-08535 | 0001193125-25-225594 | | 2025-05-15 | [424B4](https://www.sec.gov/Archives/edgar/data/1828673/000119312525120468/0001193125-25-120468-index.htm) Final prospectus | 333-287136 | 0001193125-25-120468 | | 2025-05-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999525001610/9999999995-25-001610-index.htm) Declared effective | 333-287136 | 9999999995-25-001610 | | 2025-05-13 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312525118837/0001193125-25-118837-index.htm) Amendment | 333-287136 | 0001193125-25-118837 | | 2025-05-09 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000119312525116745/0001193125-25-116745-index.htm) Registration filed | 333-287136 | 0001193125-25-116745 | | 2025-04-28 | [DRS](https://www.sec.gov/Archives/edgar/data/1828673/000095012325003769/0000950123-25-003769-index.htm) Draft made public | 377-07951 | 0000950123-25-003769 | | 2025-04-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999525001134/9999999995-25-001134-index.htm) Declared effective | 333-286409 | 9999999995-25-001134 | | 2025-04-07 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000119312525073723/0001193125-25-073723-index.htm) Registration filed | 333-286409 | 0001193125-25-073723 | | 2022-08-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999522002524/9999999995-22-002524-index.htm) Declared effective | 333-266991 | 9999999995-22-002524 | | 2022-08-19 | [S-3](https://www.sec.gov/Archives/edgar/data/1828673/000119312522225387/0001193125-22-225387-index.htm) Shelf registered | 333-266991 | 0001193125-22-225387 | | 2021-07-21 | [424B4](https://www.sec.gov/Archives/edgar/data/1828673/000119312521220633/0001193125-21-220633-index.htm) Final prospectus | 333-256510 | 0001193125-21-220633 | | 2021-07-19 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1828673/999999999521002826/9999999995-21-002826-index.htm) Declared effective | 333-256510 | 9999999995-21-002826 | | 2021-07-09 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312521212005/0001193125-21-212005-index.htm) Amendment | 333-256510 | 0001193125-21-212005 | | 2021-07-07 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312521209000/0001193125-21-209000-index.htm) Amendment | 333-256510 | 0001193125-21-209000 | | 2021-06-15 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1828673/000119312521191316/0001193125-21-191316-index.htm) Amendment | 333-256510 | 0001193125-21-191316 | | 2021-05-26 | [S-1](https://www.sec.gov/Archives/edgar/data/1828673/000119312521173753/0001193125-21-173753-index.htm) Registration filed | 333-256510 | 0001193125-21-173753 | | 2021-04-16 | [DRS](https://www.sec.gov/Archives/edgar/data/1828673/000095012321004645/0000950123-21-004645-index.htm) Draft made public | 377-04671 | 0000950123-21-004645 | [All filings of this company](https://equitycapital.markets/filings?cik=1828673) · [CSV](https://equitycapital.markets/filings.csv?cik=1828673) --- Source page: https://equitycapital.markets/company/1828673 · Data: U.S. SEC EDGAR · CC BY 4.0