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Tecogen INC Schedule 13G passive stakes

Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.

AMEX
TGEN
Tecogen INC
SCHEDULE: Portolan Capital Discloses 5.19% Stake in Tecogen Inc.
Portolan Capital Management and George McCabe have filed a Schedule 13G reporting a 5.19% beneficial ownership stake in Tecogen Inc.
AMEX
TGEN
Tecogen INC
SCHEDULE: Tecogen Stake Update: Natsis & Pantopoulou Hold 1.8%
Tryfon Natsis and Despoina Pantopoulou disclose a 1.8% beneficial ownership stake in Tecogen Inc. common stock.