0001140361-17-029596.txt : 20170801
0001140361-17-029596.hdr.sgml : 20170801
20170801162400
ACCESSION NUMBER: 0001140361-17-029596
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20170801
FILED AS OF DATE: 20170801
DATE AS OF CHANGE: 20170801
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: MAST ERLE T
CENTRAL INDEX KEY: 0001051411
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38155
FILM NUMBER: 17997018
MAIL ADDRESS:
STREET 1: C/O SPIROS DEVELOPMENT CORP II INC
STREET 2: 7475 LUSK BLVD
CITY: SAN DIEGO
STATE: CA
ZIP: 92121
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Sienna Biopharmaceuticals, Inc.
CENTRAL INDEX KEY: 0001656328
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 273364627
STATE OF INCORPORATION: DE
FISCAL YEAR END: 0630
BUSINESS ADDRESS:
STREET 1: 30699 RUSSELL RANCH ROAD, SUITE 140
CITY: WESTLAKE VILLAGE
STATE: CA
ZIP: 91362
BUSINESS PHONE: (818) 629-2256
MAIL ADDRESS:
STREET 1: 30699 RUSSELL RANCH ROAD, SUITE 140
CITY: WESTLAKE VILLAGE
STATE: CA
ZIP: 91362
FORMER COMPANY:
FORMER CONFORMED NAME: Sienna Labs, Inc.
DATE OF NAME CHANGE: 20151020
4
1
doc1.xml
FORM 4
X0306
4
2017-08-01
0
0001656328
Sienna Biopharmaceuticals, Inc.
SNNA
0001051411
MAST ERLE T
C/O SIENNA BIOPHARMACEUTICALS, INC.
30699 RUSSELL RANCH ROAD, SUITE 140
WESTLAKE VILLAGE
CA
91362
1
0
0
0
Common Stock
2017-08-01
4
P
0
6700
15
A
6700
D
The Reporting Person purchased the shares of the Issuer's common stock in connection with the Issuer's initial public offering at the offering price of $15.00 per share.
/s/ Timothy K. Andrews, attorney-in-fact for Erle T. Mast
2017-08-01