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

10/22/20  Newlight Partners LP              3/A        Dir.,%Own.² 2:23K  Oak Street Health, Inc.           Toppan Merrill/FA        
          Newlight GP LLC
          Newlight Harbour Point SPV LLC
          Wassong David
          Yadav Ravi
10/22/20  General Atlantic, L.P.            3/A        Dir.,%Own.² 1:19K  Oak Street Health, Inc.           Paul Weiss Ri… LLP 01/FA 
          GAP Coinvestments CDA, L.P.
          Gap Coinvestments III, LLC
          Gap Coinvestments IV, LLC
          GAP Coinvestments V, LLC
          General Atlantic (OSH) Interholdco, L.P.
          General Atlantic (SPV) GP, LLC
          General Atlantic Genpar, L.P.
          General Atlantic Partners 93, L.P.
          General Atlantic Partners 100, L.P.
  9/4/20  Keck Kim                          4/A        Director²   1:5K   Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Cook Timothy M                    4          Officer²    1:17K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Guenthner Robert                  4          Officer²    1:18K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Clem Brian                        4          Officer²    1:23K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Hiskes Cynthia                    4          Officer²    1:16K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Pykosz Michael T                  4          Dir.,Off.²  1:29K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Kaushal Mohit                     4          Director²   1:11K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Price Geoffrey M                  4          Dir.,Off.²  1:25K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Jurgenson Tamara                  4          Officer²    1:21K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Kusserow Paul B.K.                4          Director²   1:10K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Myers Griffin                     4          Dir.,Off.²  1:26K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/12/20  Chow James J                      4          Officer²    1:20K  Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
 8/11/20  Oak Street Health, Inc.           8-K:1,3,5,8  8/5/20   13:3.9M                                   Donnelley … Solutions/FA 
  8/5/20‡ Oak Street Health, Inc.           EFFECT       8/5/20    1:2K                                     SEC #5                   
  8/5/20  Vorhoff Nicholas Robbert          3          Director²   1:3K   Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
  8/5/20  Pykosz Michael T                  3          Dir.,Off.²  2:7K   Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
  8/5/20  Keck Kim                          3          Director²   2:7K   Oak Street Health, Inc.           Donnelley Fin’l S… 06/FA 
  8/5/20  Price Geoffrey M                  3          Dir.,Off.²  2:7K   Oak Street Health, Inc.           Donnelley Fin’l S… 06/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 Types:  /A
	3	Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3 { The Filer is an Insider² of the Issuer }.
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	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 }.
	EFFECT	SEC Notice of Effectiveness.
	/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.