Filing Signals

Source: SEC EDGAR Compiled 2026-09-14 08:28 UTC All 21 checks passing

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TECOGEN INC.

CIK 1537435 TGEN·Manufacturing · All EDGAR filings ↗

Material weakness high Filing comparison

TECOGEN INC. reported a material weakness in internal control

Internal control reported effective Material weakness in internal control

Our management, including our certifying officers, after evaluating the effectiveness of our disclosure controls and procedures, concluded that our disclosure controls and procedures were not effective as of December 31, 2025, due to material weakness with respect to a small number of individuals dealing with general controls over information technology. Any failure to implement effective internal controls could harm our operating results or cause us to fail to meet our reporting obligations. Inadequate internal…
Evidence
Current state
material_weakness
Current state label
Material weakness in internal control
Direction
newly reported
Prior filed
2025-03-18
Prior form
10-K
Prior state
effective
Prior state label
Internal control reported effective
Remediation stated
Yes
Severity
high
Source
Item 9A internal control conclusion, compared with the prior filing
Why
The company's conclusion on internal control over financial reporting changed: a material weakness was newly reported, or a previously reported one no longer appears.