Company · CIK 1656328

# Sienna Biopharmaceuticals, Inc.

| CIK | [1656328](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001656328) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2834 — Pharmaceutical Preparations |
| Incorporated in | DE |
| Business address | CA |
| Listed | no ticker on SEC record today |
| First annual or quarterly report | 2017-09-07 |

## Offerings

 2 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-226595 | Shelf Effective | 2018-08-03 | 2019-12-16 | 6 |
| 333-219142 | IPO Final prospectus | 2017-07-03 | 2017-07-27 | 5 |

## Filings

 12

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2019-12-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1656328/999999999519002814/9999999995-19-002814-index.htm) Declared effective | 333-226595 | 9999999995-19-002814 |
| 2019-02-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1656328/000119312519047116/0001193125-19-047116-index.htm) Shelf takedown | 333-226595 | 0001193125-19-047116 |
| 2019-02-19 | [424B5](https://www.sec.gov/Archives/edgar/data/1656328/000119312519044364/0001193125-19-044364-index.htm) Shelf takedown | 333-226595 | 0001193125-19-044364 |
| 2018-08-23 | [424B5](https://www.sec.gov/Archives/edgar/data/1656328/000119312518256325/0001193125-18-256325-index.htm) Shelf takedown | 333-226595 | 0001193125-18-256325 |
| 2018-08-14 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1656328/999999999518002100/9999999995-18-002100-index.htm) Declared effective | 333-226595 | 9999999995-18-002100 |
| 2018-08-03 | [S-3](https://www.sec.gov/Archives/edgar/data/1656328/000119312518238566/0001193125-18-238566-index.htm) Shelf registered | 333-226595 | 0001193125-18-238566 |
| 2017-07-27 | [424B4](https://www.sec.gov/Archives/edgar/data/1656328/000119312517238703/0001193125-17-238703-index.htm) Final prospectus | 333-219142 | 0001193125-17-238703 |
| 2017-07-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1656328/999999999517001925/9999999995-17-001925-index.htm) Declared effective | 333-219142 | 9999999995-17-001925 |
| 2017-07-24 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1656328/000095012317006251/0000950123-17-006251-index.htm) Amendment | 333-219142 | 0000950123-17-006251 |
| 2017-07-17 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1656328/000119312517228984/0001193125-17-228984-index.htm) Amendment | 333-219142 | 0001193125-17-228984 |
| 2017-07-03 | [S-1](https://www.sec.gov/Archives/edgar/data/1656328/000119312517221074/0001193125-17-221074-index.htm) Registration filed | 333-219142 | 0001193125-17-221074 |
| 2017-05-15 | [DRS](https://www.sec.gov/Archives/edgar/data/1656328/000095012317005317/0000950123-17-005317-index.htm) Draft made public | 377-01575 | 0000950123-17-005317 |

[All filings of this company](https://equitycapital.markets/filings?cik=1656328) · [CSV](https://equitycapital.markets/filings.csv?cik=1656328)

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Source page: https://equitycapital.markets/company/1656328 · Data: U.S. SEC EDGAR · CC BY 4.0