Tecogen TGEN SEC Filings

NYSE TGEN
$2.18 +0.05 (+2.35%)
As of: Oct 21, 2026 · 3:59 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Tecogen Inc. (TGEN) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001537435-26-000092Oct 14, 2026 8:02 PM
24Insider Transaction0001537435-26-000088Sep 8, 2026 9:12 PM
34Insider Transaction0001808199-26-000003Sep 8, 2026 9:11 PM
44Insider Transaction0001585814-26-000003Sep 8, 2026 9:11 PM
54Insider Transaction0001537435-26-000087Sep 8, 2026 9:10 PM
64Insider Transaction0001537435-26-000086Sep 8, 2026 9:08 PM
7424B3Prospectus0001537435-26-000079Sep 4, 2026 2:15 PM
8EFFECTOthers9999999995-26-002885Sep 3, 2026 4:15 AM
9EFFECTOthers9999999995-26-002842Sep 1, 2026 12:15 AM
10POS AMOthers0001537435-26-000075Sep 1, 2026 3:07 PM
11S-3Prospectus0001537435-26-000073Aug 31, 2026 9:24 PM
128-KCurrent Report0001537435-26-000072Aug 31, 2026 9:23 PM
13S-1Prospectus0001537435-26-000071Aug 31, 2026 9:22 PM
1410-QQuarterly & Annual Report0001537435-26-000066Aug 13, 2026 1:59 PM
158-KCurrent Report0001537435-26-000063Aug 12, 2026 8:58 PM
168-KCurrent Report0001537435-26-000053Jul 1, 2026 1:15 PM
174Insider Transaction0001537435-26-000051Jun 30, 2026 12:36 AM
184Insider Transaction0001537435-26-000050Jun 30, 2026 12:36 AM
194Insider Transaction0001537435-26-000049Jun 30, 2026 12:35 AM
204Insider Transaction0001537435-26-000048Jun 30, 2026 12:35 AM
214Insider Transaction0001537435-26-000047Jun 30, 2026 12:34 AM
224Insider Transaction0001537435-26-000046Jun 30, 2026 12:34 AM
234Insider Transaction0001537435-26-000045Jun 30, 2026 12:33 AM
244Insider Transaction0001537435-26-000044Jun 30, 2026 12:32 AM
254Insider Transaction0001537435-26-000043Jun 30, 2026 12:32 AM
264Insider Transaction0001537435-26-000042Jun 30, 2026 12:30 AM
27SCHEDULE 13GBeneficial Ownership Report0001104659-26-072444Jun 10, 2026 9:59 PM
288-KCurrent Report0001537435-26-000040Jun 5, 2026 8:01 PM
2910-QQuarterly & Annual Report0001537435-26-000038May 13, 2026 2:46 PM
308-KCurrent Report0001537435-26-000036May 12, 2026 9:15 PM
314Insider Transaction0001537435-26-000032Apr 27, 2026 1:30 PM
324Insider Transaction0001537435-26-000032Apr 27, 2026 1:30 PM
334Insider Transaction0001537435-26-000032Apr 27, 2026 1:30 PM
34DEF 14AOthers0001537435-26-000029Apr 21, 2026 2:00 PM
354Insider Transaction0001827663-26-000004Apr 14, 2026 8:03 PM
368-KCurrent Report0001537435-26-000027Apr 8, 2026 9:00 PM
374Insider Transaction0001827663-26-000002Mar 27, 2026 8:24 PM
384Insider Transaction0001230427-26-000002Mar 27, 2026 6:44 PM
394Insider Transaction0001230427-26-000002Mar 27, 2026 6:44 PM
404Insider Transaction0001230427-26-000002Mar 27, 2026 6:44 PM
414Insider Transaction0001537435-26-000024Mar 27, 2026 4:10 PM
424Insider Transaction0001537435-26-000024Mar 27, 2026 4:10 PM
434Insider Transaction0001537435-26-000024Mar 27, 2026 4:10 PM
444Insider Transaction0001537435-26-000021Mar 23, 2026 6:35 PM
454Insider Transaction0001537435-26-000021Mar 23, 2026 6:35 PM
464Insider Transaction0001537435-26-000021Mar 23, 2026 6:35 PM
474Insider Transaction0001537435-26-000020Mar 23, 2026 6:34 PM
484Insider Transaction0001537435-26-000020Mar 23, 2026 6:34 PM
494Insider Transaction0001537435-26-000020Mar 23, 2026 6:34 PM
504Insider Transaction0001537435-26-000019Mar 23, 2026 6:33 PM
...

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