As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

 2/14/20  PFM Health Sciences, LP           SC 13G/A               1:178K Sienna Biopharmaceuticals, Inc.   Toppan Merrill/FA        
          Brian D. Grossman³
          Christopher M. James³
          Partner Fund Management GP, LLC³
          Partner Investment Management GP, LLC³
          Partner Investment Management, L.P.³
  2/7/20  FMR LLC                           SC 13G/A               1:9K   Sienna Biopharmaceuticals, Inc.                            
  2/5/20  Nasdaq Stock Market LLC           25-NSE©                2:4K   Sienna Biopharmaceuticals, Inc.                            
12/16/19‡ Sienna Biopharmaceuticals, Inc.   EFFECT     12/16/19    1:2K                                     SEC #5                   
12/11/19  Sienna Biopharmaceuticals, Inc.   15-12B     12/11/19    1:11K                                    Donnelley … Solutions/FA 
12/11/19  Sienna Biopharmaceuticals, Inc.   POS AM                 1:22K                                    Donnelley … Solutions/FA 
12/11/19  Sienna Biopharmaceuticals, Inc.   S-8 POS    12/11/19    1:23K                                    Donnelley … Solutions/FA 
12/11/19  Sienna Biopharmaceuticals, Inc.   S-8 POS    12/11/19    1:23K                                    Donnelley … Solutions/FA 
12/11/19  Sienna Biopharmaceuticals, Inc.   S-8 POS    12/11/19    1:23K                                    Donnelley … Solutions/FA 
12/11/19  Sienna Biopharmaceuticals, Inc.   8-K:3,8    12/10/19    1:18K                                    Donnelley … Solutions/FA 
11/15/19  Sienna Biopharmaceuticals, Inc.   8-K:8,9    11/12/19    3:60K                                    Donnelley … Solutions/FA 
11/12/19  Sienna Biopharmaceuticals, Inc.   10-Q        9/30/19   84:6.4M                                   Donnelley … Solutions/FA 
10/17/19  Sienna Biopharmaceuticals, Inc.   8-K:8,9    10/10/19    2:49K                                    Donnelley … Solutions/FA 
 10/4/19  Azoy Alexander                    4          Officer²    1:5K   Sienna Biopharmaceuticals, Inc.   Solium Capital Inc.      
 9/23/19  Sienna Biopharmaceuticals, Inc.   8-K:3,8,9   9/17/19    2:58K                                    Donnelley … Solutions/FA 
 9/17/19  Sienna Biopharmaceuticals, Inc.   8-K:1,2,5   9/11/19    1:26K                                    Donnelley … Solutions/FA 
 8/14/19  Sienna Biopharmaceuticals, Inc.   8-K:3        8/9/19    1:18K                                    Donnelley … Solutions/FA 
  8/8/19  Andrews Timothy K.                4          Officer²    1:23K  Sienna Biopharmaceuticals, Inc.   Solium Capital Inc.      
  8/8/19  Azoy Alexander                    4          Officer²    2:25K  Sienna Biopharmaceuticals, Inc.   Solium Capital Inc.      
  8/8/19  Lizzul Paul F.                    4          Officer²    1:22K  Sienna Biopharmaceuticals, Inc.   Solium Capital Inc.      

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:  -K
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-Q	Quarterly Report — Form 10-Q.
	15-12B	Certification of a Termination of Registration of a Class of Securities — Form 15.
	25-NSE	Notice by a Securities Exchange of the Removal from Listing and Registration of Matured, Redeemed or Retired Securities — Form 25.
	EFFECT	SEC Notice of Effectiveness.
	POS AM	Post-Effective Amendment of a Registration Statement.
	S-8 POS	Post-Effective Amendment of a Form S-8 Registration.
	SC 13G	Statement of Acquisition of Beneficial Ownership by a “Passive” Investor — Schedule 13G.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
	©	This Filing was a Confirming copy.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.
³	Group Member:  A Registrant or non-Registrant party to this Filing made by a Group.