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

 3/29/17  Alta Mesa Resources, Inc./DE      8-K:8,9     3/23/17    9:642K                                   Toppan Merrill/FA        
 3/23/17‡ Alta Mesa Resources, Inc./DE      EFFECT      3/23/17    1:2K                                     SEC #5                   
 3/23/17  Tepper Jeffrey                    3          Director²   2:24K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Walters Diana J                   3          Director²   2:26K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Coats Stephen                     3          Officer²    2:24K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Hackett James T                   3          Dir.,Off.²  2:23K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Walker Thomas Joseph              3          Officer²    2:23K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Gutermuth William D.              3          Director²   2:26K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
 3/23/17  Riverstone Energy GP VI Corp.     3          10% Owner²  2:26K  Alta Mesa Resources, Inc./DE      Toppan Merrill/FA        
          Lapeyre Pierre F Jr.
          Leuschen David M
          Riverstone Energy GP VI, LLC
          Riverstone Energy Partners VI, L.P.
          Riverstone Energy VI Holdings GP, LLC
          Riverstone Holdings LLC
          Riverstone VI Sr II Holdings, L.P.
          Silver Run Sponsor II, LLC
 3/23/17  Alta Mesa Resources, Inc./DE      CERTNAS     3/23/17    1:2K                                     SEC #7                   
 3/23/17  Alta Mesa Resources, Inc./DE      CORRESP¶    4/20/17    1:33K                                    Toppan Merrill/FA        
 3/23/17  Alta Mesa Resources, Inc./DE      CORRESP¶    4/20/17    1:19K                                    Toppan Merrill/FA        

____________
‡	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:
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { 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 }.
	CERTNAS	Certification by the Nasdaq Stock Market Approving a Listing — Form CERT.
	CORRESP	Comment-Response or Other Letter to the SEC.
	EFFECT	SEC Notice of Effectiveness.
	¶	This Filing contains a delayed-release Document.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.