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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001140361-17-028785
Filing Date
2017-07-26
Accepted
2017-07-26 19:35:38
Documents
1
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 14384
  Complete submission text file 0001140361-17-028785.txt   18481
Mailing Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631
Business Address
CRANDELL KEITH (Reporting) CIK: 0001219039 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984085

Mailing Address 8755 W. HIGGINS ROAD SUITE 1025 CHICAGO IL 60631
Business Address
BYBEE CLINTON (Reporting) CIK: 0001219043 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984086

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 776-380-6600
ARCH Venture Fund VIII, L.P. (Reporting) CIK: 0001605598 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984088

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 7733806600
ARCH Venture Partners VIII, LLC (Reporting) CIK: 0001616165 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984090

Mailing Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 7733806600
ARCH Venture Partners VIII, L.P. (Reporting) CIK: 0001616176 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984089

Mailing Address C/O ARCH VENTURE PARTNERS VIII, LLC 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631
Business Address C/O ARCH VENTURE PARTNERS VIII, LLC 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 773-380-6600
ARCH Venture Fund VIII Overage, L.P. (Reporting) CIK: 0001617237 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38155 | Film No.: 17984087

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