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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001562180-18-002849
Filing Date
2018-06-04
Accepted
2018-06-04 21:42:14
Documents
1
Period of Report
2018-06-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primarydocument.html 4  
1 PRIMARY DOCUMENT primarydocument.xml 4 4131
  Complete submission text file 0001562180-18-002849.txt   5633
Mailing Address C/O SPIROS DEVELOPMENT CORP II INC 7475 LUSK BLVD SAN DIEGO CA 92121
Business Address
MAST ERLE T (Reporting) CIK: 0001051411 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38155 | Film No.: 18879942

Mailing Address 30699 RUSSELL RANCH ROAD, SUITE 140 WESTLAKE VILLAGE CA 91362
Business Address 30699 RUSSELL RANCH ROAD, SUITE 140 WESTLAKE VILLAGE CA 91362 (818) 629-2256
Sienna Biopharmaceuticals, Inc. (Issuer) CIK: 0001656328 (see all company filings)

IRS No.: 273364627 | State of Incorp.: DE | Fiscal Year End: 0630
SIC: 2834 Pharmaceutical Preparations