TECOGEN INC. (TGEN) Corporate Subsidiaries

TECOGEN INC. (TGEN) is a publicly traded company on the NYSE, categorized under SIC 3585 (Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.

Ticker: TGEN CIK: 1537435 Exchange: NYSE SIC 3585: Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip Fiscal Year End: 12/31 State: DE

Independent PCAOB Auditor

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Audit Firm Wolf & Company, P.C.
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerVirginia Rubega
Audit LocationBoston, Massachusetts, United States

Latest SEC EDGAR Filings

Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions
Form Filing Date Reporting Period Description Accession Number Actions
8-K 2026-10-14 2026-10-14 8-K 0001537435-26-000092 View SEC Doc Filr Page
4/A 2026-09-08 2026-06-26 FORM 4/A 0001537435-26-000088 View SEC Doc Filr Page
4/A 2026-09-08 2026-06-26 FORM 4/A 0001808199-26-000003 View SEC Doc Filr Page
4/A 2026-09-08 2026-06-26 FORM 4/A 0001585814-26-000003 View SEC Doc Filr Page
4/A 2026-09-08 2026-06-26 FORM 4/A 0001537435-26-000087 View SEC Doc Filr Page
4/A 2026-09-08 2026-06-26 FORM 4/A 0001537435-26-000086 View SEC Doc Filr Page
424B3 2026-09-04 — 424B3 0001537435-26-000079 View SEC Doc Filr Page
EFFECT 2026-09-03 — EFFECT Filing 9999999995-26-002885 View SEC Doc Filr Page
EFFECT 2026-09-01 — EFFECT Filing 9999999995-26-002842 View SEC Doc Filr Page
POS AM 2026-09-01 — POS AM 0001537435-26-000075 View SEC Doc Filr Page
S-3 2026-08-31 — S-3 0001537435-26-000073 View SEC Doc Filr Page
8-K 2026-08-31 2026-08-31 8-K 0001537435-26-000072 View SEC Doc Filr Page
S-1/A 2026-08-31 — S-1/A 0001537435-26-000071 View SEC Doc Filr Page
10-Q 2026-08-13 2026-06-30 10-Q 0001537435-26-000066 View SEC Doc Filr Page
8-K 2026-08-12 2026-08-12 8-K 0001537435-26-000063 View SEC Doc Filr Page
8-K 2026-07-01 2026-06-26 8-K 0001537435-26-000053 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000051 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000050 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000049 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000048 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000047 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000046 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000045 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000044 View SEC Doc Filr Page
4 2026-06-30 2026-06-26 FORM 4 0001537435-26-000043 View SEC Doc Filr Page