Symbols

TGEN

Tecogen·AMEX

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TGEN Filings

2026-03-23 · Ownership

Form 4 - Statement of changes in beneficial ownership of securities

2026-03-23 · Ownership

Form 4 - Statement of changes in beneficial ownership of securities

2026-03-23 · Ownership

Form 4 - Statement of changes in beneficial ownership of securities

2026-03-23 · Ownership

Form 4 - Statement of changes in beneficial ownership of securities

2026-03-19 · Financials

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

2026-03-18 · Earnings Call

Tecogen Inc (TGEN) Q4 2025 Earnings Call Transcript

2026-03-18 · Key Events

Form 8-K - Current report

2026-01-07 · Key Events

Form 8-K - Current report

2025-11-13 · Earnings Call

Tecogen Inc.(TGEN)-20251113-2025 Q3 Earnings call transcript

2025-11-13 · Financials

Form 10-Q - Quarterly report [Sections 13 or 15(d)]