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

 2/14/19  Greenhaven Road Inv Mgmt, L.P.    SC 13G/A               2:64K  Infrastructure & Energy Alte… Inc Toppan Merrill/FA        
          Greenhaven Road Capital Fund 1, L.P.³
          Greenhaven Road Capital Fund 2, L.P.³
          MVM Funds, LLC³
          Scott Miller³
 4/12/18  Greenhaven Road Cap Fund 1, L.P.  SC 13G                 2:76K  Infrastructure & Energy Alte… Inc Toppan Merrill/FA        
          Greenhaven Road Investment Management, LP³
          MVM Funds, LLC³
          Scott Miller³

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¹	Filing/Form Type:
	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.
³	Group Member:  A Registrant or non-Registrant party to this Filing made by a Group.