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

 6/18/18  Stone Terry L                     4          Director²   1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Prince John L                     4          Director²   1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Layne Larry D                     4          Director²   1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Kieta Douglas L                   4          Director²   1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Jones William L                   4          Director²   1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Koehler Neil M                    4          Dir.,Off.²  1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Kandris Michael D                 4          Dir.,Off.²  1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Wright Christopher W              4          Officer²    1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  McGregor Bryon T                  4          Officer²    1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Koehler Paul                      4          Officer²    1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/18/18  Sneed James R                     4          Officer²    1:4K   Alto Ingredients, Inc.            S2 Filings LLC/FA        
 6/14/18  Alto Ingredients, Inc.            S-8         6/14/18    3:137K                                   S2 Filings LLC/FA        
 6/14/18  Alto Ingredients, Inc.            8-K:5       6/14/18    1:33K                                    S2 Filings LLC/FA        
 4/25/18  Alto Ingredients, Inc.            DEF 14A     6/14/18    1:2M                                     S2 Filings LLC/FA        

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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 }.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	S-8	Registration Statement – Securities for an Employee Benefit Plan — Form S-8.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.