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American Tower Corp./MA 
 MA
  SEC # 1053507


        
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2,364  SEC Filings
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  from  2/10/98  to  3/19/24  (Last Week)

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  Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent   
 
Most-Recent Filing:    ‘4’ — Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 — for 3/15/24 — Filed re:  Issuer / Subject Company — Filed by:  Font Juan 
 
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notifications of all
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Filings
involving  American Tower Corp./MA 

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Forms
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, Documents
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& Exhibits
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 in  1,134 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
3/14/24 New Document this Past Month!8-KUpdate:  Current Reports — Form 8-K  New Document this Past Month!  — Press Releases
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& Conference Calls
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 — Financial Reports
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524

8-K Items: 
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3/7/24 New Document this Past Month!
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01  New Document this Past Month!  — ‘EX-10’
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88
6/29/23"Termination of a Material Definitive Agreement — Item 1.02 — ‘EX-10’
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16
12/28/21 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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7
2/27/24"Results of Operations and Financial Condition — Item 2.02 — Financial Reports
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79
3/7/24 New Document this Past Month!"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03  New Document this Past Month!  — ‘EX-10’
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65
1/3/12 OLD
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  Securities & Trading: 
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing — Item 3.01  OLD 1
10/21/08 OLD"Unregistered Sales of Equity Securities — Item 3.02  OLD  — ‘EX-1’
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2
3/3/15 OLD"Material Modifications to Rights of Security Holders — Item 3.03  OLD  — ‘EX-4’
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4
8/7/06 OLD
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  Accountants & Accounting: 
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review — Item 4.02  OLD 2
3/14/24 New Document this Past Month!
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  Governance & Management: 
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02  New Document this Past Month!  — List of Directors & Officers
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61
12/14/23"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03 — ‘EX-3’
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8
8/14/06 OLD"Temporary Suspension of Trading Under Registrant’s Employee Benefit Plans — Item 5.04  OLD 1
5/25/23"Submission of Matters to a Vote of Security Holders — Item 5.0715
7/20/23
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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56
3/14/24 New Document this Past Month!
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  Events: 
Other Events — Item 8.01  New Document this Past Month! 203
3/14/24 New Document this Past Month!
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  Financials: 
Financial Statements and Exhibits — Item 9.01  New Document this Past Month!  — Financial Reports
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370

3/5/24 New Document this Past Month!424B2Registration:  Prospectuses – Primary Offerings and Shelf Securities  New Document this Past Month! 42
3/4/24 New Document this Past Month!FWPRegistration:  Prospectuses – Free Writing  New Document this Past Month! 36
3/4/24 New Document this Past Month!424B5Registration:  Prospectuses – Primary Offerings and Shelf Securities – New Facts or Events  New Document this Past Month! 43
2/27/2410-KUpdate:  Annual Reports — Form 10-K — Financial Reports
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30
10/27/23424B8Registration:  Prospectus (Late Filing)1
10/26/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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82
5/23/23CERTTrading:  Certifications by Securities Exchanges Approving Listings — Form CERT5
5/16/238-A12BRegistration:  Registration Statements for Certain Classes of Securities — Form 8-A9
4/12/23ARSUpdate:  Annual Reports to Security Holders15
4/12/23DEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A17
4/12/23DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A — Financial Reports
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25
3/31/23CORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ] — All Correspondence with the SEC
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29
6/1/22 OLDS-3ASRRegistration:  Automatic Shelf Registration Statements by Well-Known Issuers — Form S-3  OLD 5
12/28/21 OLDS-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD 10
12/28/21 OLDSC TO-TOwnership:  Tender-Offer Statements by Third Parties — Schedule TO  OLD 7
11/26/21 OLDSC TO-COwnership:  Tender-Offer Communications by Issuers and Third Parties — Schedule TO  OLD 4
4/26/21 OLD3Ownership:  Initial Statement of Beneficial Ownership of Securities by an Insider — Form 3  OLD 1
4/16/21 OLDSC 13DOwnership:  Statement of Acquisition of Beneficial Ownership by an “Active” Investor — Schedule 13D  OLD 1
4/11/17 OLDCERTNYSTrading:  Certifications by the NYSE Approving Listings — Form CERT  OLD 3
5/22/15 OLDS-8 POSRegistration:  Post-Effective Amendments of Form S-8 Registrations  OLD 10
2/24/15 OLDNO ACTSEC:  SEC No-Action Letters re: Shareholder Proposals  OLD 3
4/1/13 OLDPRE 14AProxy:  Preliminary Proxy Statements — Schedule 14A  OLD 6
1/5/12 OLDEFFECTSEC:  SEC Notices of Effectiveness  OLD 6
1/3/12 OLD15-12BRegistration:  Certifications of Terminations of Registration of Classes of Securities — Form 15  OLD 2
1/3/12 OLDPOSASRRegistration:  Post-Effective Amendment of an Automatic Shelf Registration Statement — Form S-3/F-3ASR  OLD 1
12/29/11 OLDPOS AMRegistration:  Post-Effective Amendments of Registration Statements  OLD 16
11/1/11 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 16
10/11/11 OLDDEFM14AProxy:  Definitive Proxy Statement – Merger or Acquisition — Schedule 14A  OLD 1
12/29/09 OLD424B3Registration:  Prospectuses – New Facts or Events  OLD 91
12/16/09 OLDS-4Registration:  Registration Statements – Securities for Mergers — Form S-4  OLD 19
6/29/09 OLD11-KUpdate:  Annual Reports by Employee Stock Purchase, Savings and Similar Plans — Form 11-K  OLD 9
5/28/09 OLDCT ORDERSEC:  SEC Confidential Treatment Order  OLD 1
2/28/08 OLDNT 10-KUpdate:  Notices of Late Filings of Form 10-K Annual Reports — Form 12b-25  OLD 2
2/23/07 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 14
11/9/06 OLDNT 10-QUpdate:  Notices of Late Filings of Form 10-Q Quarterly Reports — Form 12b-25  OLD 2
7/20/05 OLDS-3Registration:  Registration Statements – Securities for Transactions — Form S-3  OLD 23
7/29/03 OLDS-3MEFRegistration:  Registration Statement to Add Securities to a Prior Form S-3 Registration  OLD 1
4/3/01 OLDDEFR14AProxy:  Definitive Revised Proxy Soliciting Material — Schedule 14A  OLD 1
9/15/00 OLDRWRegistration:  Registration Withdrawal Requests  OLD 2
7/25/00 OLD305B2Registration:  Statements of Eligibility to Act as a Trustee by Corporations — Form T-1  OLD 4
2/8/99 OLDS-1Registration:  Registration Statements (General Form) — Form S-1  OLD 11
2/4/99 OLD424B4Registration:  Prospectuses – Info Previously Omitted & New Facts or Events  OLD 2
2/3/99 OLDS-1MEFRegistration:  Registration Statements to Add Securities to Prior Form S-1 Registrations  OLD 2
1/25/99 OLD424ARegistration:  Prospectus – Info Substantively Changed or Added  OLD 1

General Exhibits: 
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3/14/24 New Exhibit this Past Month!EX-10Material Contracts  New Exhibit this Past Month! 327
3/7/24 New Exhibit this Past Month!EX-4Instruments, Including Indentures, Defining the Rights of Security Holders  New Exhibit this Past Month! 86
3/7/24 New Exhibit this Past Month!EX-5Opinions of Counsel re: Legality  New Exhibit this Past Month! 118
3/5/24 New Exhibit this Past Month!EX-FILING FEESFiling Fees  New Exhibit this Past Month! 8
2/27/24EX-97Clawback Policy re: Recovery of Erroneously Awarded Compensation1
2/27/24EX-23Consents of Experts and Counsel262
2/27/24EX-21Subsidiaries Lists33
12/14/23EX-3Articles of Incorporation/Organization and Bylaws25
6/7/22 OLDEX-8Opinions of Counsel re: Tax Matters  OLD 21
6/7/22 OLDEX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)  OLD 19
6/1/22 OLDEX-25Statements of Eligibility to Act as a Trustee — Forms T-1 & T-2  OLD 21
11/15/21 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 24

Additional Exhibits: 
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3/14/24 New Exhibit this Past Month!EX-99Miscellaneous Exhibits, such as Press Releases  New Exhibit this Past Month!  — Press Releases
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& Conference Calls
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569

Financials: 
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3/14/24 New Report this Past Month!XML  &  R#IDEA Financial Reports Info  New Report this Past Month!  — Financial Reports
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5,334
3/14/24 New Workbook this Past Month!EXCELIDEA Workbooks of Financial Reports Info  New Workbook this Past Month!  — Workbooks of Financial Reports
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196
3/14/24 New Exhibit this Past Month!EX-101.*XBRL Data  (XBRL Files)  New Exhibit this Past Month! 904
3/14/24 New Exhibit this Past Month!JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)  New Exhibit this Past Month! 150
3/14/24 New Folder this Past Month!ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)  New Folder this Past Month! 
187
2/27/24EX-31Certifications — §302 – SOA’02186
2/27/24EX-32Certifications — §906 – SOA’0293
10/30/18 OLDEX-12Statements re: Computations of Ratios  OLD 64
11/13/00 OLDEX-27Financial Data Schedules {Pre-XBRL}  OLD  — Financial Reports
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14

Graphics: 
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3/14/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 1,878


Forms
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, Documents
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& Exhibits
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 in  1,288 Filings
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 Filed re:  Issuer / Subject Company


        
New Filing!  List all Money Managers that own this Security Issuer:  CUSIP 03027X
 

        
Latest Filing  Type    Category    Description        Documents
     
3/19/24 New Document this Past Month!4Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4  New Document this Past Month! 1,022
3/19/24 New Document this Past Month!3Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 3  New Document this Past Month! 38
3/15/24 New Document this Past Month!144Ownership:  Notices of Proposed Sales of Securities by Insiders — Form 144  New Document this Past Month! 13
3/4/24 New Document this Past Month!FWPRegistration:  Prospectuses – Free Writing  New Document this Past Month! 36
2/13/24SC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G89
2/14/22 OLD5Ownership:  Annual Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 5  OLD 28
2/15/18 OLD25-NSETrading:  Notices by Securities Exchanges of the Removals from Listing and Registration of Matured, Redeemed and Retired Securities — Form 25  OLD 3
11/1/11 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 7
2/23/07 OLDSC TO-IOwnership:  Tender-Offer Statements by Issuers — Schedule TO  OLD 14
5/23/03 OLDSC TO-COwnership:  Tender-Offer Communication by an Issuer or Third Party — Schedule TO  OLD 1
3/3/03 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 6

Letters: 
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4/7/23LETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ] — All Correspondence with the SEC31
4/7/23TEXT-EXTRACTComment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]2

General Exhibits: 
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3/19/24 New Exhibit this Past Month!EX-24Powers of Attorney  New Exhibit this Past Month! 77
8/25/11 OLDEX-2Plan of Acquisition, Reorganization, Arrangement, Liquidation or Succession  OLD 1

Additional Exhibits: 
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2/15/18 OLDEX-99Miscellaneous Exhibits, such as Press Releases  OLD 67

Graphics: 
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3/19/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 53


        

Filings History

Year    # of Filings
In descending order
2024 53
2023 104
2022 91
2021 135
2020 129
2019 120
2018 90
2017 97
2016 100
2015 86
2014 97
2013 97
2012 104
2011 94
2010 74
2009 82
2008 72
2007 102
2006 62
2005 119
2004 90
2003 113
2002 26
2001 60
2000 79
1999 58
1998 30

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