Tecogen INC S-1 registration statements

Tecogen Inc. has filed an S-1MEF to register an additional 918,333 shares of common stock, including an over-allotment option for underwriters, to increase the size of its ongoing public offering.

Tecogen Inc. filed Amendment No. 3 to its S-1 Registration Statement, primarily to update the signature page with its Principal Accounting Officer and disclose estimated registration expenses, recent share issuance, and corporate governance policies.

Tecogen Inc. filed Amendment No. 2 to its S-1 Registration Statement, primarily to include the Principal Accounting Officer on the signature page, update estimated offering expenses, and detail corporate governance policies.

Tecogen Inc. filed an Amendment No. 1 to its S-1 Registration Statement, primarily to include its Principal Accounting Officer's signature and update estimated offering expenses, while reiterating its director indemnification policies.

Tecogen Inc. has filed an S-1 registration statement to offer 2.67 million shares of common stock, aiming to raise capital for its strategic expansion into the artificial intelligence data center market and other growth initiatives, despite an operating history of losses and identified material weaknesses in internal controls.