Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	#o	#f	T	TVal	Price	Qty	oc	Own	H
5/3/24 16:08	5/1/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	4	62	P.dm	627	0.8610	729	70	1,762	D
5/2/24 17:53	4/30/24	ZONE	Cleancore Solutions, Inc.	NV	Machn	Mchn	Refrigeration & Service Indus	1	2	P	597	3.98	150	47	470	D
5/2/24 16:30	4/30/24	PSIX	Power Solutions International, Inc.	IL	Machn	Mchn	Engines & Turbines	1	16	P.m	311	2.12	147	11	1,480	M
5/2/24 08:12	9/18/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	3	7	P	1,665	18.00	93	33	370	D
4/15/24 17:11	4/12/24	KITT	Nauticus Robotics, Inc.	DE	Machn	Mchn	General Industrial Machinery	1	1	P.dm	23	0.2270	100		100	D
4/3/24 16:01	4/2/24	CVV	Cvd Equipment Corp	NY	Machn	Mchn	Special Industry Machinery	1	5	P.m	2,855	5.26	542	77	1,248	I
3/14/24 18:41	8/10/23	EKSO	Ekso Bionics Holdings, Inc.	NV	Machn	Mchn	General Industrial Machinery	1	1	P.m	15	1.13	14	10	148	D
3/11/24 16:15	3/11/24	ACLS	Axcelis Technologies Inc	DE	Machn	Mchn	Special Industry Machinery	3	3	P	116	111.73	1	1	83	D
3/1/24 16:39	2/28/24	GTES	Gates Industrial Corp Plc	X0	Machn	Mchn	General Industrial Machinery	4	6	P	14,387	12.28	1,171	174	1,845	D
2/29/24 17:29	2/27/24	ERII	Energy Recovery, Inc.	DE	Machn	Mchn	Special Industry Machinery	4	7	P	568	17.17	33	26	160	I
2/27/24 21:02	2/27/24	CMI	Cummins Inc	IN	Machn	Mchn	Engines & Turbines	1	1	P	150	266.57	1	111	1	D
2/15/24 16:55	12/18/23	ASYS	Amtech Systems Inc	AZ	Machn	Mchn	Special Industry Machinery	2	17	P.dm	1,076	6.02	179	7	2,779	D
2/1/24 17:24	9/16/22	ITW	Illinois Tool Works Inc	DE	Machn	Mchn	General Industrial Machinery	2	2	P	244	241.22	1	0	393	D
1/5/24 14:34	1/4/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	6	11	P	107	167.29	1	1	56	D
1/2/24 16:48	12/29/23	SHGI	Sparx Holdings Group, Inc.	NV	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	2	2	P	0	0.00	150,000	37	550,200	I
12/22/23 18:44	12/21/23	STRC	Sarcos Technology & Robotics Corp	DE	Machn	Mchn	General Industrial Machinery	4	9	P.m	274	0.5439	503	9	6,106	I
12/4/23 17:38	5/22/23	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	6	16	P.m	1,605	1.16	1,388	21	7,927	I
12/1/23 17:19	11/29/23	CRCT	Cricut, Inc.	DE	Machn	Mchn	Special Industry Machinery	1	1	P.dm	139	6.94	20		20	I
11/30/23 17:37	11/30/23	OUST	Ouster, Inc.	DE	Machn	Mchn	General Industrial Machinery	4	11	P.m	1,582	5.77	274	6	4,521	D
11/9/23 14:02	11/8/23	ZBRA	Zebra Technologies Corp		Machn	Mchn	General Industrial Machinery	4	5	P.d	1,103	234.85	5	4	127	D
10/31/23 17:17	10/30/23	GLGI	Greystone Logistics, Inc.		Machn	Mchn	Special Industry Machinery	2	2	P	15	0.8647	17	0	8,605	D
10/10/23 16:57	10/6/23	PPIH	Perma-Pipe International Holdings, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	2	3	P	71	8.15	9	20	52	D
9/20/23 12:46	6/28/23	AP	Ampco Pittsburgh Corp	PA	Machn	Mchn	Pumps & Pumping Equipment	5	11	P.m	215	2.71	79	6	1,356	D
9/19/23 10:32	9/15/23	AAON	Aaon, Inc.	NV	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	2	2	P.d	76	74.96	1	5	23	I
9/13/23 14:26	9/11/23	TTC	Toro Co	MN	Machn	Mchn	Lawn & Garden Tractors & Home	2	3	P	269	101.15	3	46	8	D
9/5/23 17:22	5/26/23	LIQT	Liqtech International Inc	NV	Machn	Mchn	Misc Industrial & Commercial	1	1	P.m	113	3.44	33	16	232	D
8/28/23 09:11	8/25/23	TPIC	Tpi Composites, Inc		Machn	Mchn	Engines & Turbines	3	3	P	104	4.72	22	11	230	D
8/23/23 09:28	8/21/23	MIDD	Middleby Corp	DE	Machn	Mchn	Refrigeration & Service Indus	1	1	P	100	139.32	1	3	22	I
8/21/23 16:46	8/18/23	BWXT	Bwx Technologies, Inc.	DE	Machn	Mchn	Engines & Turbines	1	1	P	142	71.23	2		2	I
8/14/23 16:02	8/11/23	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	1	1	P	18	1.20	15	5	345	D
8/1/23 13:50	7/31/23	GGG	Graco Inc	MN	Machn	Mchn	Pumps & Pumping Equipment	1	1	P	100	79.04	1	2	67	D
7/25/23 17:43	5/15/23	SYM	Symbotic Inc.		Machn	Mchn	General Industrial Machinery	2	2	P.d	500,198	28.05	17,833	81	39,863	I
5/24/23 17:31	5/22/23	NVT	Nvent Electric Plc	L2	Machn	Mchn	Special Industry Machinery (N	1	1	P	203	43.23	5	39	17	D
5/23/23 16:10	5/22/23	GTEC	Greenland Technologies Holding Corp.	D8	Machn	Mchn	General Industrial Machinery	1	1	P	100	1.50	67	55	187	D
5/10/23 10:22	5/8/23	IVAC	Intevac Inc	DE	Machn	Mchn	Special Industry Machinery	6	10	P.m	1,053	6.60	160	3	5,930	D
5/3/23 16:10	5/1/23	LII	Lennox International Inc	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	1	1	P	100	285.02	0	17	2	D
4/12/23 11:43	4/11/23	DCI	Donaldson Co Inc	DE	Machn	Mchn	Industrial & Commercial Fans	1	1	P	200	62.76	3	68	8	D
2/21/23 16:47	2/21/23	GHM	Graham Corp	DE	Machn	Mchn	General Industrial Machinery	1	1	P.d	54	13.53	4	7	58	D
1/20/23 16:05	1/19/23	TAYD	Taylor Devices Inc	NY	Machn	Mchn	General Industrial Machinery	1	1	P	14	14.10	1	14	8	D
12/21/22 19:10	12/21/22	MNTX	Manitex International, Inc.	MI	Machn	Mchn	Special Industry Machinery	1	1	P	21	4.25	5	1	605	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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