NYSE:TGEN | Historical Stock Price | TECOGEN INC.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2014-05-20 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$0.60$1.06$1.87$3.30$5.83$10.292014-05-202026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2019

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2019-12-31$2.12$2.1235,500
2019-12-30$2.09$2.0986,800
2019-12-27$2.26$2.2624,900
2019-12-26$2.22$2.2242,100
2019-12-24$2.32$2.327,000
2019-12-23$2.23$2.2310,100
2019-12-20$2.40$2.4055,800
2019-12-19$2.20$2.2062,100
2019-12-18$2.18$2.1844,700
2019-12-17$2.25$2.2554,800
2019-12-16$2.19$2.1970,900
2019-12-13$2.18$2.1842,300
2019-12-12$2.21$2.2141,300
2019-12-11$2.23$2.2333,700
2019-12-10$2.29$2.2919,800
2019-12-09$2.37$2.3711,500
2019-12-06$2.25$2.2541,400
2019-12-05$2.21$2.2126,100
2019-12-04$2.29$2.2912,700
2019-12-03$2.39$2.391,900
2019-12-02$2.40$2.40700
2019-11-29$2.40$2.402,400
2019-11-27$2.40$2.407,400
2019-11-26$2.30$2.3022,700
2019-11-25$2.30$2.3011,700
2019-11-22$2.25$2.254,900
2019-11-21$2.33$2.332,500
2019-11-20$2.30$2.3015,100
2019-11-19$2.50$2.5018,600
2019-11-18$2.18$2.184,100
2019-11-15$2.21$2.2122,400
2019-11-14$2.24$2.249,100
2019-11-13$2.28$2.283,700
2019-11-12$2.37$2.373,100
2019-11-11$2.48$2.4814,200
2019-11-08$2.41$2.419,200
2019-11-07$2.46$2.46800
2019-11-06$2.47$2.472,200
2019-11-05$2.50$2.503,500
2019-11-04$2.48$2.483,500
2019-11-01$2.55$2.5510,200
2019-10-31$2.67$2.671,500
2019-10-30$2.53$2.53600
2019-10-29$2.74$2.741,200
2019-10-28$2.60$2.606,500
2019-10-25$2.64$2.641,600
2019-10-24$2.65$2.652,900
2019-10-23$2.63$2.632,000
2019-10-22$2.62$2.62600
2019-10-21$2.54$2.543,100
2019-10-18$2.50$2.503,100
2019-10-17$2.70$2.703,900
2019-10-16$2.54$2.543,000
2019-10-15$2.48$2.4820,400
2019-10-14$2.59$2.5914,400
2019-10-11$2.63$2.636,000
2019-10-10$2.49$2.4921,300
2019-10-09$2.24$2.243,200
2019-10-08$2.31$2.311,700
2019-10-07$2.23$2.232,700
2019-10-04$2.30$2.306,000
2019-10-03$2.49$2.494,900
2019-10-02$2.37$2.3715,300
2019-10-01$2.53$2.5310,300
2019-09-30$2.38$2.383,200
2019-09-27$2.31$2.316,800
2019-09-26$2.30$2.3033,400
2019-09-25$2.11$2.1116,200
2019-09-24$2.20$2.209,800
2019-09-23$2.37$2.374,600
2019-09-20$2.52$2.5239,800
2019-09-19$2.54$2.547,400
2019-09-18$2.55$2.5512,200
2019-09-17$2.62$2.6217,100
2019-09-16$2.65$2.6541,800
2019-09-13$2.66$2.6611,600
2019-09-12$2.73$2.7322,800
2019-09-11$3.00$3.007,800
2019-09-10$3.15$3.155,900
2019-09-09$2.98$2.9816,100
2019-09-06$2.95$2.9539,700
2019-09-05$2.71$2.711,300
2019-09-04$2.73$2.731,400
2019-09-03$2.71$2.71300
2019-08-30$2.67$2.67600
2019-08-29$2.66$2.669,100
2019-08-28$2.73$2.733,600
2019-08-27$2.75$2.750
2019-08-26$2.75$2.751,800
2019-08-23$2.68$2.686,800
2019-08-22$2.64$2.64500
2019-08-21$2.85$2.853,000
2019-08-20$2.60$2.602,500
2019-08-19$2.60$2.601,100
2019-08-16$2.55$2.553,000
2019-08-15$2.63$2.631,500
2019-08-14$2.66$2.669,200
2019-08-13$2.60$2.6037,300
2019-08-12$2.88$2.886,300
2019-08-09$2.94$2.9412,400
2019-08-08$3.00$3.007,200
2019-08-07$3.10$3.102,500
2019-08-06$3.17$3.17500
2019-08-05$3.10$3.105,200
2019-08-02$3.20$3.201,700
2019-08-01$3.20$3.207,300
2019-07-31$3.24$3.2413,100
2019-07-30$3.39$3.398,200
2019-07-29$3.25$3.256,900
2019-07-26$3.35$3.353,500
2019-07-25$3.38$3.382,200
2019-07-24$3.37$3.371,300
2019-07-23$3.43$3.431,100
2019-07-22$3.45$3.45500
2019-07-19$3.43$3.4314,800
2019-07-18$3.41$3.411,300
2019-07-17$3.40$3.40700
2019-07-16$3.50$3.502,400
2019-07-15$3.43$3.436,800
2019-07-12$3.56$3.562,200
2019-07-11$3.75$3.751,500
2019-07-10$3.75$3.752,200
2019-07-09$3.63$3.635,300
2019-07-08$3.70$3.701,100
2019-07-05$3.46$3.461,800
2019-07-03$3.75$3.751,100
2019-07-02$3.69$3.691,300
2019-07-01$3.57$3.573,500
2019-06-28$3.75$3.759,800
2019-06-27$3.62$3.621,800
2019-06-26$3.65$3.653,800
2019-06-25$3.68$3.681,100
2019-06-24$3.66$3.665,200
2019-06-21$3.55$3.552,400
2019-06-20$3.63$3.632,300
2019-06-19$3.52$3.521,800
2019-06-18$3.54$3.54900
2019-06-17$3.41$3.41400
2019-06-14$3.50$3.504,400
2019-06-13$3.66$3.665,800
2019-06-12$3.40$3.402,200
2019-06-11$3.76$3.763,200
2019-06-10$3.54$3.541,300
2019-06-07$3.40$3.40300
2019-06-06$3.41$3.411,000
2019-06-05$3.44$3.445,400
2019-06-04$3.45$3.4513,800
2019-06-03$3.43$3.4314,000
2019-05-31$3.57$3.57800
2019-05-30$3.62$3.622,400
2019-05-29$3.78$3.78100
2019-05-28$3.78$3.7813,700
2019-05-24$3.80$3.8031,400
2019-05-23$3.49$3.497,800
2019-05-22$3.40$3.403,000
2019-05-21$3.43$3.435,500
2019-05-20$3.46$3.461,400
2019-05-17$3.47$3.473,500
2019-05-16$3.49$3.491,700
2019-05-15$3.48$3.485,100
2019-05-14$3.51$3.513,100
2019-05-13$3.52$3.522,200
2019-05-10$3.43$3.4319,200
2019-05-09$3.56$3.56400
2019-05-08$3.66$3.66600
2019-05-07$3.72$3.726,400
2019-05-06$3.70$3.709,800
2019-05-03$3.81$3.81100
2019-05-02$3.81$3.81400
2019-05-01$3.76$3.763,500
2019-04-30$3.80$3.801,900
2019-04-29$3.88$3.884,700
2019-04-26$3.84$3.841,200
2019-04-25$3.78$3.783,300
2019-04-24$3.97$3.972,800
2019-04-23$3.89$3.892,100
2019-04-22$3.83$3.832,900
2019-04-18$3.99$3.99900
2019-04-17$3.86$3.8611,000
2019-04-16$3.89$3.892,500
2019-04-15$3.89$3.8910,300
2019-04-12$3.96$3.96900
2019-04-11$3.88$3.881,600
2019-04-10$3.95$3.952,700
2019-04-09$3.96$3.962,100
2019-04-08$4.04$4.043,400
2019-04-05$4.00$4.0053,200
2019-04-04$4.00$4.0022,200
2019-04-03$4.10$4.1022,300
2019-04-02$4.00$4.0016,500
2019-04-01$4.00$4.0021,500
2019-03-29$3.99$3.9943,300
2019-03-28$3.98$3.9837,100
2019-03-27$3.84$3.847,500
2019-03-26$3.84$3.843,300
2019-03-25$3.96$3.963,200
2019-03-22$3.97$3.9715,900
2019-03-21$3.95$3.9527,000
2019-03-20$3.78$3.789,800
2019-03-19$3.70$3.709,000
2019-03-18$3.78$3.7817,900
2019-03-15$3.99$3.9914,200
2019-03-14$3.90$3.903,500
2019-03-13$3.90$3.907,700
2019-03-12$3.95$3.9532,800
2019-03-11$4.01$4.01151,100
2019-03-08$3.96$3.96919,600
2019-03-07$4.09$4.0952,600
2019-03-06$3.99$3.9913,600
2019-03-05$3.93$3.935,300
2019-03-04$3.88$3.883,400
2019-03-01$3.95$3.9516,700
2019-02-28$3.98$3.987,900
2019-02-27$3.86$3.861,700
2019-02-26$3.81$3.813,300
2019-02-25$3.90$3.907,000
2019-02-22$3.80$3.804,100
2019-02-21$3.90$3.904,800
2019-02-20$3.90$3.90118,800
2019-02-19$3.84$3.844,000
2019-02-15$3.78$3.786,500
2019-02-14$3.85$3.855,200
2019-02-13$3.92$3.923,100
2019-02-12$3.84$3.8410,100
2019-02-11$3.80$3.809,400
2019-02-08$3.82$3.8218,900
2019-02-07$3.92$3.926,300
2019-02-06$3.90$3.9024,000
2019-02-05$3.88$3.8819,200
2019-02-04$3.98$3.9850,200
2019-02-01$3.74$3.7413,100
2019-01-31$3.82$3.827,400
2019-01-30$3.75$3.755,500
2019-01-29$3.86$3.869,600
2019-01-28$3.95$3.959,000
2019-01-25$3.74$3.7421,400
2019-01-24$3.95$3.9532,300
2019-01-23$3.89$3.8965,000
2019-01-22$3.85$3.85154,200
2019-01-18$3.65$3.652,400
2019-01-17$3.77$3.778,100
2019-01-16$3.80$3.809,000
2019-01-15$3.77$3.776,700
2019-01-14$3.76$3.768,400
2019-01-11$3.62$3.622,400
2019-01-10$3.54$3.541,600
2019-01-09$3.73$3.736,200
2019-01-08$3.55$3.554,800
2019-01-07$3.66$3.664,600
2019-01-04$3.65$3.655,000
2019-01-03$3.78$3.781,000
2019-01-02$3.70$3.703,900