AMEX · TGEN

Tecogen Inc.

Industrials · Electrical Equipment & Parts

$4.01

Up+$0.18 (+4.49%)

Updated Aug 13, 2026, 11:04 PM

SID Score

5.0/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

TGEN price history

1M range · 21 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

TGEN OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 12, 2026	$4.06	$4.145	$3.94	$4.01	182.14K
Aug 11, 2026	$3.90	$4.06	$3.90	$4.06	72.91K
Aug 10, 2026	$3.90	$4.00	$3.83	$3.88	93.98K
Aug 7, 2026	$3.79	$4.00	$3.7701	$3.89	109.34K
Aug 6, 2026	$3.71	$3.8599	$3.70	$3.73	164.62K
Aug 5, 2026	$3.79	$3.97	$3.6101	$3.76	155.86K
Aug 4, 2026	$3.71	$3.88	$3.71	$3.74	179.37K
Aug 3, 2026	$3.36	$3.67	$3.36	$3.65	195.7K
Jul 31, 2026	$3.27	$3.37	$3.22	$3.32	74.4K
Jul 30, 2026	$3.08	$3.23	$3.07	$3.20	182.16K
Jul 29, 2026	$3.07	$3.2987	$2.91	$3.00	528.48K
Jul 28, 2026	$3.39	$3.39	$3.07	$3.10	397.07K
Jul 27, 2026	$3.28	$3.4423	$3.16	$3.34	295.76K
Jul 24, 2026	$3.38	$3.38	$3.15	$3.22	363.34K
Jul 23, 2026	$3.44	$3.64	$3.34	$3.40	275.7K
Jul 22, 2026	$3.50	$3.7398	$3.48	$3.54	226.59K
Jul 21, 2026	$3.52	$3.59	$3.32	$3.59	323.3K
Jul 20, 2026	$3.61	$3.6982	$3.41	$3.45	143.67K
Jul 17, 2026	$3.58	$3.68	$3.49	$3.55	373.25K
Jul 16, 2026	$3.89	$4.075	$3.63	$3.73	246.95K
Jul 15, 2026	$4.07	$4.2183	$3.86	$3.95	189.38K