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TECOGEN INC. — 10-K Filings

14 10-K filings on record

This page lists all 10-K filings submitted to the SEC by TECOGEN INC. (TGEN), sorted by most recent first. Each row links to the full filing on EdgarLookup. TECOGEN INC. has filed 14 10-K documents with the SEC since 2011. To view all SEC filings by TECOGEN INC., see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 25 3 3/A 4 4/A 424B3 424B4 425 5 8-A12B 8-A12G 8-K 8-K/A AW CERT CERTNAS CORRESP CT ORDER D DEF 14A DEF 14C DEFA14A DRS EFFECT POS AM PRE 14A PRE 14C RW S-1 S-1/A S-1MEF S-3 S-3/A S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
10-K 10-K 0001537435-26-000013 Mar 19, 2026 Dec 31, 2025
10-K 10-K 0001537435-25-000018 Mar 18, 2025 Dec 31, 2024
10-K 10-K 0001537435-24-000022 Mar 25, 2024 Dec 31, 2023
10-K 10-K 0001537435-23-000021 Mar 23, 2023 Dec 31, 2022
10-K 10-K 0001537435-22-000014 Mar 10, 2022 Dec 31, 2021
10-K 10-K 0001537435-21-000014 Mar 18, 2021 Dec 31, 2020
10-K 10-K 0001537435-20-000004 Mar 12, 2020 Dec 31, 2019
10-K 10-K 0001537435-19-000016 Mar 29, 2019 Dec 31, 2018
10-K 10-K 0001537435-18-000028 Mar 21, 2018 Dec 31, 2017
10-K 10-K 0001537435-17-000019 Mar 23, 2017 Dec 31, 2016
10-K 10-K 0001537435-16-000097 Mar 30, 2016 Dec 31, 2015
10-K 10-K 0001537435-15-000014 Mar 25, 2015 Dec 31, 2014
10-K 10-K 0001537435-14-000005 Mar 31, 2014 Dec 31, 2013
10-K 10-K 0001537435-13-000028 Mar 27, 2013 Dec 31, 2012