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Filing metadata

Accession number: 0001562180-18-001909
Form type: Form 3
Filer: Sienna Biopharmaceuticals, Inc.
CIK: CIK 1656328
Filed: Apr 18, 2018
Reporting period: Apr 16, 2018
Description: Initial ownership

Documents

0001562180-18-001909-index.htm

Complete submission

0001562180-18-001909.txt

directory listing

Filed by

Sienna Biopharmaceuticals, Inc.