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Tecogen Inc. 
 MA
  SEC # 1537435


        
1  Related Registrant:   

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555  SEC Filings
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  from  12/22/11  to  4/24/24  (2 Days Ago)

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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 — Filed re:  Issuer / Subject Company — Filed by:  Lewis Earl R 
 
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notifications of all
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Filings
involving  Tecogen Inc. 

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Forms
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, Documents
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& Exhibits
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 in  339 Filings
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 Filed as:  Filer / Offerer  or  Owner / Insider


        
Latest Filing  Type    Category    Description        Documents
     
4/23/24 New Document this Past Month!DEF 14AProxy:  Definitive Proxy Statements — Schedule 14A  New Document this Past Month! 9
4/12/24 New Document this Past Month!PRE 14AProxy:  Preliminary Proxy Statement — Schedule 14A  New Document this Past Month! 1
3/25/2410-KUpdate:  Annual Reports — Form 10-K — Financial Reports
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13
3/14/248-KUpdate:  Current Reports — Form 8-K — Press Releases
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& Conference Calls
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 — Financial Reports
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158

8-K Items: 
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2/2/24
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  Business & Operations: 
Entry into a Material Definitive Agreement — Item 1.01 — ‘EX-10’
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30
5/11/20 OLD"Termination of a Material Definitive Agreement — Item 1.02  OLD  — ‘EX-10’
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4
3/7/19 OLD
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  Financial Info: 
Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ‘EX-2’
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5
3/14/24"Results of Operations and Financial Condition — Item 2.02 — Financial Reports
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40
5/8/18 OLD"Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03  OLD  — ‘EX-10’
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5
5/29/20 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 2
6/30/16 OLD"Unregistered Sales of Equity Securities — Item 3.02  OLD  — ‘EX-1’
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11
7/25/13 OLD"Material Modifications to Rights of Security Holders — Item 3.03  OLD  — ‘EX-4’
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2
9/17/14 OLD
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  Accountants & Accounting: 
Changes in Registrant’s Certifying Accountant — Item 4.01  OLD  — ‘EX-16’
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1
3/7/24
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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 — List of Directors & Officers
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25
7/25/13 OLD"Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03  OLD  — ‘EX-3’
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2
6/8/23"Submission of Matters to a Vote of Security Holders — Item 5.0712
3/14/24
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  Disclosures: 
Regulation FD Disclosure — Item 7.01 — ‘EX-99’
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62
7/24/23
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  Events: 
Other Events — Item 8.0127
3/14/24
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  Financials: 
Financial Statements and Exhibits — Item 9.01 — Financial Reports
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115

11/9/2310-QUpdate:  Quarterly Reports — Form 10-Q — Financial Reports
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35
7/1/22 OLD424B3Registration:  Prospectuses – New Facts or Events  OLD 6
6/23/22 OLDS-8Registration:  Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD 3
3/9/22 OLD8-A12GRegistration:  Registration Statement for a Class of Securities — Form 8-A  OLD 1
3/23/21 OLDEFFECTSEC:  SEC Notices of Effectiveness  OLD 13
3/19/21 OLDPOS AMRegistration:  Post-Effective Amendments of Registration Statements  OLD 6
7/28/20 OLDS-8 POSRegistration:  Post-Effective Amendment of a Form S-8 Registration  OLD 1
7/27/20 OLDAWRegistration:  Amendment Withdrawal Request  OLD 1
6/9/20 OLD25Trading:  Notice by an Issuer of the Removal from Listing and Registration on a Securities Exchange of Matured, Redeemed or Retired Securities — Form 25  OLD 1
4/21/20 OLDDEFA14AProxy:  Definitive Additional Proxy Soliciting Materials — Schedule 14A  OLD 7
4/21/20 OLDCORRESPComment:  Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ]  OLD  — All Correspondence with the SEC
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29
4/6/20 OLDS-3Registration:  Registration Statements – Securities for Transactions — Form S-3  OLD 10
4/3/20 OLDRWRegistration:  Registration Withdrawal Requests  OLD 2
6/22/17 OLDSC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G  OLD 3
5/2/17 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 5
4/10/17 OLDS-4Registration:  Registration Statements – Securities for Mergers — Form S-4  OLD 4
5/2/16 OLDDRegistration:  Notices of Exempt Offerings of Securities — Form D  OLD 5
7/16/14 OLDDEF 14CProxy:  Definitive Proxy Info Statements — Schedule 14C  OLD 4
6/27/14 OLDS-1Registration:  Registration Statements (General Form) — Form S-1  OLD  — Financial Reports
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20
5/23/14 OLDCERTNASTrading:  Certifications by the Nasdaq Stock Market Approving Listings — Form CERT  OLD 2
5/19/14 OLD424B4Registration:  Prospectus – Info Previously Omitted & New Facts or Events  OLD 1
5/8/14 OLD8-A12BRegistration:  Registration Statements for Certain Classes of Securities — Form 8-A  OLD 2
7/2/13 OLDCT ORDERSEC:  SEC Confidential Treatment Orders  OLD 2
6/21/13 OLDPRE 14CProxy:  Preliminary Proxy Info Statements — Schedule 14C  OLD 2

General Exhibits: 
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3/25/24EX-23Consents of Experts and Counsel61
3/25/24EX-10Material Contracts121
7/24/23EX-9Voting Trust Agreements3
5/10/23EX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions5
6/23/22 OLDEX-FILING FEESFiling Fees  OLD 1
6/23/22 OLDEX-5Opinions of Counsel re: Legality  OLD 21
3/12/21 OLDEX-21Subsidiaries Lists  OLD 9
3/12/20 OLDEX-4Instruments, Including Indentures, Defining the Rights of Security Holders  OLD 13
6/22/17 OLDEX-24Power of Attorney  OLD 1
4/10/17 OLDEX-8Opinions of Counsel re: Tax Matters  OLD 3
6/27/14 OLDEX-3Articles of Incorporation/Organization and Bylaws  OLD 10
5/20/14 OLDEX-1Underwriting Agreements  (and mislabeled “1st Exhibits”)  OLD 3
12/22/11 OLDEX-14Code of Ethics  OLD 1

Additional Exhibits: 
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3/14/24EX-99Miscellaneous Exhibits, such as Press Releases — Press Releases
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& Conference Calls
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153

Financials: 
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3/25/24EX-31Certifications — §302 – SOA’0298
3/25/24EX-32Certifications — §906 – SOA’0245
3/25/24XML  &  R#IDEA Financial Reports Info — Financial Reports
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3,032
3/25/24EXCELIDEA Workbooks of Financial Reports Info — Workbooks of Financial Reports
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84
3/25/24EX-101.*XBRL Data  (XBRL Files)356
3/25/24JSONXBRL Instances as JavaScript Object Notation Data  (JSON Files)32
3/25/24ZIPXBRL Zipped Folders
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  (Folders of XBRL Files)
71
5/10/23EX-7Correspondence from an Accountant re: Non-Reliance on a Previously Issued Audit Report or Completed Interim Review1
9/17/14 OLDEX-16Letter re: a Change in Accountant  OLD 1

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4/23/24 New Graphic this Past Month!GRAPHICPhotos, Images and Graphs  New Graphic this Past Month! 2,097


Forms
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, Documents
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& Exhibits
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 in  224 Filings
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 Filed re:  Issuer / Subject Company


        

        
Latest Filing  Type    Category    Description        Documents
     
4/24/24 New Document this Past Month!4Ownership:  Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4  New Document this Past Month! 123
4/16/24 New Document this Past Month!5Ownership:  Annual Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 5  New Document this Past Month! 3
10/2/233Ownership:  Initial Statements of Beneficial Ownership of Securities by Insiders — Form 345
5/10/22 OLDSC 13GOwnership:  Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G  OLD 20
10/3/17 OLDSC 13DOwnership:  Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D  OLD 4
5/2/17 OLD425Registration:  Prospectuses and Communications – Mergers  OLD 9

Letters: 
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4/13/20 OLDLETTERComment and Other Letters from the SEC  [ a.k.a. UPLOAD ]  OLD  — All Correspondence with the SEC20
4/13/20 OLDTEXT-EXTRACTComment or Other Letter from the SEC – PDF’s Text  [ a.k.a. LETTER ]  OLD 1

General Exhibits: 
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5/6/22 OLDEX-24Powers of Attorney  OLD 32
3/24/17 OLDEX-2Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD 3

Additional Exhibits: 
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5/2/17 OLDEX-99Miscellaneous Exhibits, such as Press Releases  OLD 5

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6/22/17 OLDGRAPHICPhotos, Images and Graphs  OLD 10


        

Filings History

Year    # of Filings
In descending order
2024 23
2023 70
2022 53
2021 22
2020 59
2019 20
2018 34
2017 60
2016 46
2015 38
2014 67
2013 53
2012 9
2011 1

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