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

 9/13/19  VA Partners I, LLC                SC 13D/A               1:190K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings II, L.P.³
          Valueact Holdings, L.P.³
  8/7/19‡ VA Partners I, LLC                SC 13D/A     8/6/19    1:191K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings II, L.P.³
          Valueact Holdings, L.P.³
  8/6/19  VA Partners I, LLC                SC 13D                 1:186K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings II, L.P.³
          Valueact Holdings, L.P.³
 6/14/19  VA Partners I, LLC                SC 13D                 1:187K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings II, L.P.³
          Valueact Holdings, L.P.³
 3/14/19  VA Partners I, LLC                SC 13D                 1:207K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings II, L.P.³
          Valueact Holdings, L.P.³
11/13/18  VA Partners I, LLC                SC 13D                 1:180K Arcosa, Inc.                                               
          Valueact Capital Management, L.P.³
          ValueAct Capital Management, LLC³
          Valueact Capital Master Fund, L.P.³
          Valueact Holdings GP, LLC³
          Valueact Holdings, L.P.³

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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 Type:
	SC 13D	Statement of Acquisition of Beneficial Ownership by an “Active” Investor — Schedule 13D.
	/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.