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

 2/14/18  Prescott General Partners LLC     SC 13G/A               1:67K  Neustar Inc.                      Toppan Merrill/FA        
          Prescott Investors Profit Sharing Trust³
          Thomas W. Smith³
  9/7/17  Primecap Management Co./CA        SC 13G/A               1:69K  Neustar Inc.                      Toppan Merrill/FA        
 8/21/17  Neustar Inc.                      15-12B      8/21/17    1:10K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
 8/11/17  Neustar Inc.                      S-8 POS     8/11/17    1:27K                                    Donnelley … Solutions/FA 
  8/9/17  Neustar Inc.                      10-Q        6/30/17   59:8.5M                                                            
  8/8/17  Skorny Henry                      4          Officer²    1:9K   Neustar Inc.                      DONNELLEY FIN… File16/FA 
  8/8/17  Runtagh Hellene S                 4          Director²   1:7K   Neustar Inc.                      DONNELLEY FIN… File16/FA 
  8/8/17  Rowny Michael J                   4          Director²   1:7K   Neustar Inc.                      DONNELLEY FIN… File16/FA 
  8/8/17  Rieman Deborah                    4          Director²   1:7K   Neustar Inc.                      DONNELLEY FIN… File16/FA 
  8/8/17  Lalljie Paul S                    4          Officer²    1:11K  Neustar Inc.                      DONNELLEY FIN… File16/FA 
  8/8/17  Lacouture Paul A                  4          Director²   1:7K   Neustar Inc.                      DONNELLEY FIN… File16/FA 

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¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	10-Q	Quarterly Report — Form 10-Q.
	15-12B	Certification of a Termination of Registration of a Class of Securities — Form 15.
	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.
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.