Hatsopoulos John - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	T	TVal	Price	Qty	oc	Own	H
9/27/24 12:55	9/27/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	8	0.8380	10	1	989	D
9/25/24 16:29	9/25/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	9	0.8597	10	1	979	D
8/20/24 10:18	8/19/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	9	0.8950	10	1	969	D
7/12/24 16:44	7/10/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	15	0.6500	22	2	959	D
5/29/24 15:25	5/28/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.8000	1	0	936	D
5/29/24 15:03	5/29/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	8	0.8000	10	1	935	D
5/28/24 10:12	5/22/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	10	0.7973	12	1	925	D
5/22/24 14:22	5/21/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	11	0.7900	14	2	913	D
5/17/24 09:15	5/16/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	2	0.7493	3	0	899	D
5/16/24 09:18	5/15/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	7	0.7400	10	1	896	D
4/24/24 11:38	4/24/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	3	0.6707	5	1	886	D
4/23/24 14:14	4/23/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	4	0.6838	6	1	881	D
4/16/24 17:34	4/16/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.6790	1	0	875	D
4/16/24 10:11	4/15/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.7000	1	0	874	D
4/12/24 17:11	4/12/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.6997	1	0	873	D
4/11/24 17:25	4/11/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.7000	1	0	872	D
4/9/24 15:35	4/9/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.7000	1	0	871	D
4/8/24 16:08	4/8/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.7000	1	0	870	D
4/2/24 11:37	3/27/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	7	0.7000	10	1	869	D
1/23/24 17:45	1/22/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	8	0.7700	10	1	859	D
1/19/24 10:42	1/18/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	7	0.7346	10	1	849	D
1/16/24 16:42	1/16/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	73	0.7346	100	14	839	D
12/28/23 10:59	12/27/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	20	0.8000	25	3	739	D
12/26/23 11:34	12/22/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	20	0.8000	25	4	714	D
12/15/23 16:19	12/14/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	45	0.8935	50	8	689	D
11/21/23 10:28	11/20/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	3	0.8450	4	1	639	D
11/17/23 16:33	11/17/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	39	0.8450	46	8	635	D
11/17/23 11:50	11/14/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	0	0.8450	0	0	589	D
10/17/23 16:44	10/17/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	40	0.8000	50	9	589	D
10/13/23 10:08	10/12/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	40	0.8000	50	10	539	D
10/2/23 09:01	9/29/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	2	0.9800	2	0	489	D
9/28/23 11:19	9/27/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.9100	1	0	487	D
9/27/23 12:36	9/26/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.d	2	0.9200	2	0	486	D
9/19/23 17:19	9/19/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	5	0.9100	5	1	484	D
9/8/23 09:25	9/7/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	0	1.00	0	0	479	D
9/6/23 10:07	9/5/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	10	0.9700	10	2	479	D
8/23/23 17:13	8/22/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	6	1.12	5	1	469	D
8/17/23 17:45	8/15/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	10	1.02	10	2	464	D
6/27/23 16:03	6/26/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	0.9600	1	0	454	D
6/21/23 15:07	6/20/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	3	1.00	3	1	453	D
6/15/23 15:50	6/15/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	6	1.11	5	1	450	D
6/12/23 16:14	6/12/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	6	1.12	5	1	445	D
6/9/23 09:24	6/8/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	1.09	1	0	440	D
6/8/23 08:14	6/7/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	10	0.9986	10	2	440	D
6/7/23 08:57	6/6/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	7	1.00	7	2	430	D
6/6/23 16:14	6/6/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	1.14	1	0	423	D
6/5/23 08:41	6/2/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	1.09	1	0	422	D
5/26/23 15:38	5/26/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	1	1.17	1	0	421	D
5/26/23 09:17	5/23/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	2	1.17	2	0	420	D
5/16/23 18:11	5/15/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	4	0.9990	4	1	418	D
3/29/23 09:27	3/28/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	18	1.00	18	4	414	D
3/27/23 17:08	3/27/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	11	0.9977	11	3	396	D
3/24/23 16:09	3/24/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	46	0.9199	50	15	385	D
3/21/23 16:18	3/21/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	9	0.8800	10	3	335	D
3/21/23 11:08	3/20/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	8	0.8400	10	3	325	D
10/19/22 16:39	10/19/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	5	1.00	5	2	315	D
10/18/22 16:10	10/17/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	5	0.9795	5	2	310	D
10/12/22 10:11	10/10/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	10	0.9600	10	3	305	D
9/12/22 10:35	9/8/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	6	1.17	5	2	295	D
9/2/22 15:52	8/31/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	16	1.10	15	5	290	D
8/30/22 16:39	8/26/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	18	1.20	15	6	275	D
8/25/22 14:49	8/23/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P.m	19	1.24	15	6	260	D
8/23/22 14:09	8/22/22	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D	P	6	1.21	5	2	245	D

D	Derivative transaction in filing (usually option exercise)
M	Multiple transactions in filing; earliest reported transaction date and weighted average transaction price
A	Amended filing
E	Error detected in filing

S - Sale	Sale of securities on an exchange or to another person
S - Sale+OE	Sale of securities on an exchange or to another person (after option exercise)
F - Tax	Payment of exercise price or tax liability using portion of securities received from the company
P - Purchase	Purchase of securities on an exchange or from another person

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