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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001072613-19-000108
Filing Date
2019-02-14
Accepted
2019-02-14 15:11:56
Documents
1
Group Members
ARCH VENTURE FUND VIII OVERAGE, L.P.ARCH VENTURE PARTNERS VIII, L.P.ARCH VENTURE PARTNERS VIII, LLCCLINTON BYBEEKEITH CRANDELLROBERT NELSEN

Document Format Files

Seq Description Document Type Size
1 ARCH VENTURE FUND VIII, L.P. - SIENNA BIOPHARMACEUTICALS, INC. -- SCHEDULE 13G/A archviii-sienna_13g18289.htm SC 13G/A 262717
  Complete submission text file 0001072613-19-000108.txt   264565
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. (Filed by) CIK: 0001605598 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

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. (Subject) CIK: 0001656328 (see all company filings)

IRS No.: 273364627 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-90061 | Film No.: 19605171
SIC: 2834 Pharmaceutical Preparations
Assistant Director 1