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

 4/11/23  UBS-Barclays Com’l Mtge … 2012-C4 15-15D      4/11/23    1:8K                                     US Bank NA-Struc… Fin/FA 
 3/23/23  UBS-Barclays Com’l Mtge … 2012-C4 10-D        3/10/23    2:581K                                   US Bank NA-Struc… Fin/FA 
 3/20/23  UBS-Barclays Com’l Mtge … 2012-C4 10-K       12/31/22   15:2.6M                                   US Bank NA-Struc… Fin/FA 
 2/24/23  UBS-Barclays Com’l Mtge … 2012-C4 10-D        2/10/23    2:583K                                   US Bank NA-Struc… Fin/FA 
 1/26/23  UBS-Barclays Com’l Mtge … 2012-C4 10-D        1/12/23    2:348K                                   US Bank NA-Struc… Fin/FA 
12/19/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D       12/12/22    2:360K                                   US Bank NA-Struc… Fin/FA 
12/19/22  UBS-Barclays Com’l Mtge … 2012-C4 8-K:6      12/14/22    1:13K                                    US Bank NA-Struc… Fin/FA 
11/23/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D       11/14/22    2:377K                                   US Bank NA-Struc… Fin/FA 
10/24/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D       10/13/22    2:395K                                   US Bank NA-Struc… Fin/FA 
10/18/22  UBS-Barclays Com’l Mtge … 2012-C4 8-K:6      10/17/22    1:23K                                    US Bank NA-Struc… Fin/FA 
 9/26/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        9/12/22    2:418K                                   US Bank NA-Struc… Fin/FA 
 8/22/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        8/12/22    2:448K                                   US Bank NA-Struc… Fin/FA 
 7/19/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        7/12/22    2:461K                                   US Bank NA-Struc… Fin/FA 
 6/21/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        6/10/22    2:473K                                   US Bank NA-Struc… Fin/FA 
 5/24/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        5/12/22    2:478K                                   US Bank NA-Struc… Fin/FA 
 4/26/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        4/12/22    2:479K                                   US Bank NA-Struc… Fin/FA 
 3/25/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        3/11/22    2:480K                                   US Bank NA-Struc… Fin/FA 
 3/21/22  UBS-Barclays Com’l Mtge … 2012-C4 10-K       12/31/21   15:2.8M                                   US Bank NA-Struc… Fin/FA 
 2/25/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        2/11/22    2:481K                                   US Bank NA-Struc… Fin/FA 
 1/25/22  UBS-Barclays Com’l Mtge … 2012-C4 10-D        1/12/22    2:484K                                   US Bank NA-Struc… Fin/FA 

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¹	Filing/Form Types:
	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 }.
	10-D	Distribution Report by an Issuer of Asset-Backed Securities — Form 10-D.
	10-K	Annual Report — Form 10-K.
	15-15D	Notice of a Suspension of Duty to File Reports — Form 15.