0001140361-17-029439.txt : 20170731 0001140361-17-029439.hdr.sgml : 20170731 20170731181952 ACCESSION NUMBER: 0001140361-17-029439 CONFORMED SUBMISSION TYPE: 3/A PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20170726 FILED AS OF DATE: 20170731 DATE AS OF CHANGE: 20170731 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ARCH Venture Partners VIII, LLC CENTRAL INDEX KEY: 0001616165 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-38155 FILM NUMBER: 17994174 BUSINESS ADDRESS: STREET 1: 8755 W. HIGGINS ROAD, SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 BUSINESS PHONE: 7733806600 MAIL ADDRESS: STREET 1: 8755 W. HIGGINS ROAD, SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 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 3/A 1 doc1.xml FORM 3/A X0206 3/A 2017-07-26 2017-07-26 0 0001656328 Sienna Biopharmaceuticals, Inc. SNNA 0001616165 ARCH Venture Partners VIII, LLC C/O ARCH VENTURE PARTNERS 8755 W. HIGGINS ROAD, SUITE 1025 CHICAGO IL 60631 0 0 1 0 Series A-3 Preferred Stock Common Stock 2538641 I See Footnote This amendment is filed solely to include a copy of a power of attorney form which was inadvertently omitted from the original filing. One line in the original filing has been restated without restating the original footnotes in order to gain access to the filing system. None of the information in the body of the original filing is incorrect or being amended via this amendment. ARCH Venture Fund VIII, L.P. By: ARCH Venture Partners VIII, L.P. By: /s/Mark McDonnell, as Attorney-in-Fact for Keith Crandell, the Managing Director of ARCH Venture Partners VIII LLC, the GP of ARCH Venture Partners VIII, L.P., the GP of ARCH Venture Fu 2017-07-31 ARCH Venture Fund VIII Overage, L.P. By: ARCH Venture Partners VIII, LLC By: /s/ Mark McDonnell, as Attorney-in-Fact for Keith Crandell, the Managing Director of ARCH Venture Partners VIII LLC, the GP of ARCH Venture Fund VIII Overage, L.P. 2017-07-31 ARCH Venture Partners VIII, L.P. By: ARCH Venture Partners VIII, LLC By: /s/ Mark McDonnell as Attorney-in-Fact for Keith Crandell, the Managing Director of ARCH Venture Partners VIII, LLC, the GP of ARCH Venture Partners VIII, L.P. 2017-07-31 ARCH Venture Partners VIII, LLC By: /s/ Mark McDonnell as Attorney-in-Fact for Keith Crandell, the Managing Director of ARCH Venture Partners VIII, LLC 2017-07-31 /s/ Mark McDonnell, as Attorney-in-Fact for Keith Crandell 2017-07-31 /s/ Mark McDonnell, as Attorney-in-Fact for Clinton Bybee 2017-07-31 EX-24.1 2 poa_crandell.htm
POWERS OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Mark McDonnell his true and lawful attorney-in-fact, with full power of substitution, to sign any and all instruments, certificates and documents that may be necessary, desirable or appropriate to be executed on behalf of himself as an individual or in his capacity as a direct or indirect general partner, member, director, officer or manager of any partnership, corporation or limited liability company, pursuant to section 13 or 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), and any and all regulations promulgated thereunder, and to file the same, with all exhibits thereto, and any other documents in connection therewith, with the Securities and Exchange Commission, and with any other entity when and if such is mandated by the Exchange Act or by the Financial Industry Regulatory Authority, granting unto said attorney-in-fact full power and authority to do and perform each and every act and thing necessary, desirable or appropriate, fully to all intents and purposes as he might or could do in person, thereby ratifying and confirming all that said attorney-in-fact, or his substitutes, may lawfully do or cause to be done by virtue hereof.  This Power of Attorney shall remain in full force and effect with respect to each undersigned person unless and until six months after such person is both no longer a Managing Director of ARCH Venture Partners and no longer serving on the board of directors of any portfolio company of any ARCH Venture Partners fund.

IN WITNESS WHEREOF, this Power of Attorney has been signed as of the 26th day of July, 2017.

 
ARCH VENTURE FUND VIII OVERAGE, L.P.
     
 
By:
ARCH Venture Partners VIII, LLC.
   
its General Partner
     
 
By:
/s/Keith Crandell
   
Managing Director
     
     
 
ARCH VENTURE PARTNERS VIII, LLC
     
 
By:
/s/Keith Crandell
   
Managing Director