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

 5/14/24‡ Montrose Environmental Gp, Inc.   8-K:5,9     5/13/24   10:413K                                   Donnelley … Solutions/FA 
  5/7/24  Montrose Environmental Gp, Inc.   8-K:2,7,9    5/7/24    9:659K                                   Donnelley … Solutions/FA 
 4/19/24  Montrose Environmental Gp, Inc.   8-K:8,9     4/17/24   12:423K                                   Donnelley … Solutions/FA 
  4/2/24  Montrose Environmental Gp, Inc.   8-K:7,9      4/2/24    9:165K                                   Donnelley … Solutions/FA 
 2/29/24  Montrose Environmental Gp, Inc.   8-K:2,7,9   2/29/24    9:848K                                   Donnelley … Solutions/FA 
 2/20/24  Montrose Environmental Gp, Inc.   8-K:1,2,9   2/14/24    9:2.4M                                   Donnelley … Solutions/FA 
 11/7/23  Montrose Environmental Gp, Inc.   8-K:2,7,9   11/7/23   11:1M                                     Donnelley … Solutions/FA 
  8/8/23  Montrose Environmental Gp, Inc.   8-K:2,7,9    8/8/23   11:1.2M                                   Donnelley … Solutions/FA 
  5/9/23  Montrose Environmental Gp, Inc.   8-K:2,7,9    5/9/23   11:937K                                   Donnelley … Solutions/FA 
 2/28/23  Montrose Environmental Gp, Inc.   8-K:2,7,9   2/28/23   11:1M                                     Donnelley … Solutions/FA 
 11/8/22  Montrose Environmental Gp, Inc.   8-K:2,7,9   11/8/22   11:1M                                     Donnelley … Solutions/FA 
  8/8/22  Montrose Environmental Gp, Inc.   8-K:2,7,9    8/8/22   11:1M                                     Donnelley … Solutions/FA 
 6/14/22  Montrose Environmental Gp, Inc.   8-K:8,9     6/14/22   11:174K                                   Donnelley … Solutions/FA 
  5/9/22  Montrose Environmental Gp, Inc.   8-K:2,7,9    5/9/22   11:739K                                   Donnelley … Solutions/FA 
 2/28/22  Montrose Environmental Gp, Inc.   8-K:2,7,9   2/28/22   11:951K                                   ActiveDisclosure/FA      
12/21/21  Montrose Environmental Gp, Inc.   8-K:5,9    12/16/21   12:227K                                   Donnelley … Solutions/FA 
 11/9/21  Montrose Environmental Gp, Inc.   8-K:2,7,9   11/9/21   11:341K                                   Donnelley … Solutions/FA 
 9/30/21  Montrose Environmental Gp, Inc.   8-K:8,9     9/28/21   12:418K                                   Donnelley … Solutions/FA 
 8/10/21  Montrose Environmental Gp, Inc.   8-K:2,7,9   8/10/21    2:202K                                   Donnelley … Solutions/FA 
 5/12/21  Montrose Environmental Gp, Inc.   8-K:2,7,9   5/12/21    2:160K                                   Donnelley … Solutions/FA 

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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:
	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 }.