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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001140361-17-028774
Filing Date
2017-07-26
Accepted
2017-07-26 18:41:36
Documents
2
Period of Report
2017-07-26

Document Format Files

Seq Description Document Type Size
1 FORM 3 doc1.html 3  
1 FORM 3 doc1.xml 3 3003
2 poa_mast.htm EX-24.1 7994
  Complete submission text file 0001140361-17-028774.txt   12478
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: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984003

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