Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	#f	T	TVal	Price	Qty	oc	Own	H
11/20/24 16:02	11/19/24	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Jones Sharon L	IL	D		5	P.m	54	1.04	52	114	97	D
11/19/24 16:10	11/18/24	AZTA	Azenta, Inc.	DE	Machn	Mchn	Special Industry Machinery	Marotta John	MA	DO	P,CEO	1	P.m	553	39.59	14	16	101	D
11/19/24 16:10	11/18/24	AZTA	Azenta, Inc.	DE	Machn	Mchn	Special Industry Machinery	Cornog William L	MA	D		1	P	495	39.60	13	554	15	I
11/19/24 16:10	11/18/24	AZTA	Azenta, Inc.	DE	Machn	Mchn	Special Industry Machinery	Hirsch Didier	MA	D		1	P	40	39.50	1	41	3	D
11/19/24 16:00	11/19/24	AZTA	Azenta, Inc.	DE	Machn	Mchn	Special Industry Machinery	Madaus Martin D	MA	D		1	P	201	40.77	5	200	7	D
11/14/24 08:58	8/18/23	TPIC	Tpi Composites, Inc		Machn	Mchn	Engines & Turbines	Siwek William E	AZ	O	P,CEO	2	P	71	3.54	20	10	218	D
11/14/24 08:53	8/25/23	TPIC	Tpi Composites, Inc		Machn	Mchn	Engines & Turbines	Miller Ryan D.	AZ	O	CFO	2	P	67	3.35	20	163	32	D
10/21/24 21:36	9/18/24	AIRJ	Montana Technologies Corp.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Spence John Yogi	IL	T		1	P.dm	150	8.50	18	2	968	M
9/27/24 12:55	9/27/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hatsopoulos John	MA	D		38	P.dm	429	0.8016	535	118	989	D
9/16/24 06:08	9/12/24	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Albrecht Ellen T	IL	O	CFO	1	P	5	1.01	5	6	92	D
9/16/24 06:06	9/12/24	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Arnone Vincent J	IL	DO	P,CEO	3	P	59	1.08	55	14	461	D
9/5/24 18:09	9/3/24	ETN	Eaton Corp Plc		Machn	Mchn	Misc Industrial & Commercial	Thompson Dorothy C	OH	D		1	P	662	300.30	2	276	3	M
9/3/24 11:54	9/18/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		7	P	1,908	20.08	95	55	268	D
8/27/24 19:44	8/21/24	ETN	Eaton Corp Plc		Machn	Mchn	Misc Industrial & Commercial	Terrell Karenann K	OH	D		1	P	149	298.97	1		1	D
8/23/24 16:46	8/21/24	GTES	Gates Industrial Corp Plc	X0	Machn	Mchn	General Industrial Machinery	Neely Wilson S	CO	D		3	P	1,061	14.74	72	128	128	I
8/21/24 16:07	8/19/24	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	Benvenuti Raynard D.	NC	D		1	P	37	3.74	10	3	331	I
8/19/24 16:30	8/16/24	OUST	Ouster, Inc.	DE	Machn	Mchn	General Industrial Machinery	Maddock Ernest E	CA	D		3	P	141	6.43	22	47	69	D
8/19/24 16:30	8/16/24	OUST	Ouster, Inc.	DE	Machn	Mchn	General Industrial Machinery	Boulet Virginia	CA	D		8	P.m	922	7.01	132	172	208	D
8/19/24 16:12	8/16/24	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	Harman Jeri J	NC	D		1	P	25	3.64	7	2	308	D
8/19/24 16:10	8/16/24	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	Carroll Christina	NC	D		1	P	20	3.51	6	2	267	D
8/16/24 16:12	8/14/24	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	Faria Joao V	NC	D		1	P	68	3.41	20	8	278	D
8/15/24 17:39	8/15/24	NVT	Nvent Electric Plc	L2	Machn	Mchn	Special Industry Machinery (N	Parker Herbert K	MN	D		1	P	497	65.71	8	28	35	D
8/13/24 17:52	8/9/24	ASYS	Amtech Systems Inc	AZ	Machn	Mchn	Special Industry Machinery	Averick Robert M	CT	DT		6	P.dm	649	5.72	113	4	2,736	D
8/7/24 17:12	8/5/24	ERII	Energy Recovery, Inc.	DE	Machn	Mchn	Special Industry Machinery	Moon David W	CA	DO	P,CEO	4	P	510	15.57	33	37	122	I
7/17/24 16:38	7/15/24	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Lewis Earl R	MA	D		11	P	83	0.8128	103	19	635	I
7/5/24 11:32	7/3/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Ferdenzi Paul J	NC	O	VP,Corp.	3	P	32	184.35	0	1	19	D
7/5/24 11:31	7/3/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Bamford Lynn M	NC	DO	Chair,CE	3	P	30	188.08	0	0	36	D
7/5/24 11:31	7/3/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Farkas K Christopher	NC	O	VP,CFO	3	P	33	187.80	0	2	9	D
7/5/24 11:31	7/3/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Watts John C	NC	O	VP Strat	3	P	17	187.81	0	2	5	D
7/5/24 11:31	7/3/24	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Freda Robert F	NC	O	VP,Treas	3	P	34	188.24	0	4	4	D
7/2/24 16:10	6/28/24	ZONE	Cleancore Solutions, Inc.	NV	Machn	Mchn	Refrigeration & Service Indus	Adams Clayton	NE	DOT	CEO	5	P	630	3.91	161	50	481	D
7/1/24 18:06	6/28/24	PDYN	Palladyne Ai Corp.	DE	Machn	Mchn	General Industrial Machinery	Garagic Denis	UT	O	CTO	3	P	5	1.75	3	1	554	D
6/24/24 17:47	6/21/24	PDYN	Palladyne Ai Corp.	DE	Machn	Mchn	General Industrial Machinery	Wolff Benjamin G	UT	DO	P,CEO	9	P.m	127	1.58	80	5	1,690	D
6/17/24 16:36	6/13/24	ITW	Illinois Tool Works Inc	DE	Machn	Mchn	General Industrial Machinery	Smith David Byron Jr	IL	D		2	P	427	240.49	2	0	393	D
6/11/24 14:38	6/10/24	KMT	Kennametal Inc	PA	Machn	Mchn	Machine Tools, Metal Cutting	Chowbey Sanjay	PA	DO	P,CEO	2	P	381	25.43	15	44	49	D
6/10/24 18:21	6/7/24	PDYN	Palladyne Ai Corp.	DE	Machn	Mchn	General Industrial Machinery	Weibling Dennis M	UT	D		12	P.m	397	1.56	255	51	752	I
5/24/24 18:04	5/24/24	CMI	Cummins Inc	IN	Machn	Mchn	Engines & Turbines	Wiltrout Jeffrey T	IN	O	VP - Cor	1	P	80	285.11	0	21	2	D
5/21/24 13:47	5/20/24	CMI	Cummins Inc	IN	Machn	Mchn	Engines & Turbines	Boakye Marvin	IN	O	VP - Chi	1	P	499	286.04	2		2	D
5/16/24 16:38	5/15/24	OUST	Ouster, Inc.	DE	Machn	Mchn	General Industrial Machinery	Frichtl Mark	CA	O	CTO	1	P	99	12.34	8	2	505	D
5/16/24 16:37	5/15/24	OUST	Ouster, Inc.	DE	Machn	Mchn	General Industrial Machinery	Pacala Charles Angus	CA	DO	P,CEO	1	P	197	12.33	16	2	717	D
5/14/24 06:06	5/10/24	ZONE	Cleancore Solutions, Inc.	NV	Machn	Mchn	Refrigeration & Service Indus	Cox Brent	NE	D		1	P	225	0.2556	880		880	D
5/8/24 16:09	4/30/24	ZONE	Cleancore Solutions, Inc.	NV	Machn	Mchn	Refrigeration & Service Indus	Ansari Mohammad Jawad	NE	T		1	P	501	4.01	125	9	1,461	I
5/2/24 16:30	4/30/24	PSIX	Power Solutions International, Inc.	IL	Machn	Mchn	Engines & Turbines	Gagnon Neil	NY	T		9	P.m	253	1.99	127	9	1,480	M
4/15/24 17:11	4/12/24	KITT	Nauticus Robotics, Inc.	DE	Machn	Mchn	General Industrial Machinery	Flores William	TX	D		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	Africk Andrew	NY	T		4	P.m	2,646	5.22	507	68	1,248	I
3/14/24 18:41	8/10/23	EKSO	Ekso Bionics Holdings, Inc.	NV	Machn	Mchn	General Industrial Machinery	Lathan Corinna	CA	D		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	Low Russell	MA	DO	P,CEO	1	P	49	112.39	0	1	58	D
3/8/24 09:29	3/6/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Siegel Laurie	TX	D		1	P	50	19.87	3	46	8	D
2/29/24 16:15	2/29/24	ACLS	Axcelis Technologies Inc	DE	Machn	Mchn	Special Industry Machinery	Coogan James Gordon	MA	O	EVP,CFO	1	P	11	112.23	0	2	6	D
2/27/24 21:02	2/27/24	CMI	Cummins Inc	IN	Machn	Mchn	Engines & Turbines	Fisher Daniel William	IN	D		1	P	150	266.57	1	111	1	D
2/26/24 08:15	2/23/24	ACLS	Axcelis Technologies Inc	DE	Machn	Mchn	Special Industry Machinery	Lawson Douglas A.	MA	O	EVP,Corp	1	P	56	111.04	1	3	20	D
2/20/24 16:57	2/16/24	GTES	Gates Industrial Corp Plc	X0	Machn	Mchn	General Industrial Machinery	Simpkins Neil P	NY	D		1	P	12,200	12.20	1,000		1,000	I
2/20/24 16:56	2/16/24	GTES	Gates Industrial Corp Plc	X0	Machn	Mchn	General Industrial Machinery	Eliasson Fredrik J	CO	D		1	P	499	12.20	41	57	112	D
2/16/24 19:18	2/16/24	GTES	Gates Industrial Corp Plc	X0	Machn	Mchn	General Industrial Machinery	Jurek Ivo	CO	DO	CEO	1	P	250	12.20	20	3	626	D
2/15/24 16:55	12/18/23	ASYS	Amtech Systems Inc	AZ	Machn	Mchn	Special Industry Machinery	Daigle Robert C	AZ	DO	CB,CEO	6	P.dm	548	5.45	101	999%	104	D
2/1/24 17:24	9/16/22	ITW	Illinois Tool Works Inc	DE	Machn	Mchn	General Industrial Machinery	Grier Kelly J	IL	D		1	P	2	194.08	0	1	1	D
1/2/24 16:48	12/29/23	SHGI	Sparx Holdings Group, Inc.	NV	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Denunzio Cassandra	RI	DOT	CEO,CFO	1	P	0	0.00	75,000	37	275,200	I
1/2/24 12:33	12/29/23	SHGI	Sparx Holdings Group, Inc.	NV	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Sparx Holdings, LLC	RI	T		1	P	0	0.00	75,000	38	275,000	I
12/22/23 18:44	12/21/23	STRC	Sarcos Technology & Robotics Corp	DE	Machn	Mchn	General Industrial Machinery	Finn Brian D	UT	D		4	P.m	168	0.6080	276	9	3,199	I
12/4/23 17:38	11/30/23	NNBR	Nn Inc	DE	Machn	Mchn	Metalworkg Machinery & Equipm	Gautam Rajeev	NC	D		1	P	119	2.37	50	25	248	I
12/1/23 17:19	11/29/23	CRCT	Cricut, Inc.	DE	Machn	Mchn	Special Industry Machinery	Makler Jason	TX	D		1	P.dm	139	6.94	20		20	I
11/13/23 17:03	11/10/23	ERII	Energy Recovery, Inc.	DE	Machn	Mchn	Special Industry Machinery	Chow Joan Kai	CA	D		1	P	27	17.79	2	14	12	I
11/13/23 16:56	11/9/23	ERII	Energy Recovery, Inc.	DE	Machn	Mchn	Special Industry Machinery	Sabol Colin R	CA	D		3	P	72	17.88	4	179	6	I
11/9/23 14:02	11/8/23	ZBRA	Zebra Technologies Corp		Machn	Mchn	General Industrial Machinery	Burns Bill	IL	DO	CEO	2	P.d	499	225.01	2	5	43	D
11/9/23 14:01	11/8/23	ZBRA	Zebra Technologies Corp		Machn	Mchn	General Industrial Machinery	Winters Nathan Andrew	IL	O	CFO	1	P.d	101	209.99	0	2	21	D
11/8/23 19:35	11/7/23	ERII	Energy Recovery, Inc.	DE	Machn	Mchn	Special Industry Machinery	Tondreau Pamela L.	CA	D		1	P	150	17.91	8	57	23	D
10/31/23 17:17	10/30/23	GLGI	Greystone Logistics, Inc.		Machn	Mchn	Special Industry Machinery	Lockard Drew T.	TX	D		1	P	12	1.03	12		12	D
10/20/23 18:14	10/19/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Hirsch Susan B	NJ	D		1	P	5	0.9150	5	2	250	D
10/10/23 16:57	10/6/23	PPIH	Perma-Pipe International Holdings, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Walker Jerome T.	TX	D		2	P	21	7.68	3	9	32	D
9/22/23 17:06	9/20/23	PPIH	Perma-Pipe International Holdings, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	McNally Robert Joseph	TX	D		1	P	50	8.36	6	42	20	D
9/20/23 12:46	9/13/23	AP	Ampco Pittsburgh Corp	PA	Machn	Mchn	Pumps & Pumping Equipment	McNair Darrell L	PA	D		1	P	9	3.12	3	10	32	I
9/19/23 10:32	9/15/23	AAON	Aaon, Inc.	NV	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Stewart David Raymond	OK	D		1	P	30	60.17	1	7	8	I
9/13/23 14:26	9/11/23	TTC	Toro Co	MN	Machn	Mchn	Lawn & Garden Tractors & Home	Funk Edric C	MN	O	Group VP	1	P	8	82.12	0	3	3	D
9/5/23 17:22	5/26/23	LIQT	Liqtech International Inc	NV	Machn	Mchn	Misc Industrial & Commercial	Chen Fei		DO	CEO	1	P.m	113	3.44	33	16	232	D
9/1/23 17:05	8/15/23	TGEN	Tecogen Inc.	DE	Machn	Mchn	Air-Cond & Warm Air Heatg Equ	Rangesh Abinand	MA	DOH	CEO	1	P.m	1	1.02	1	11	10	D
8/23/23 09:28	8/21/23	MIDD	Middleby Corp	DE	Machn	Mchn	Refrigeration & Service Indus	Nerbonne Robert A	IL	D		1	P	100	139.32	1	3	22	I
8/21/23 17:12	8/21/23	TPIC	Tpi Composites, Inc		Machn	Mchn	Engines & Turbines	Jordan Tyrone Michael	AZ	D		1	P	10	5.16	2	9	24	D
8/21/23 16:46	8/18/23	BWXT	Bwx Technologies, Inc.	DE	Machn	Mchn	Engines & Turbines	Nardelli Robert L	VA	D		1	P	142	71.23	2		2	I
8/11/23 16:05	8/10/23	ZBRA	Zebra Technologies Corp		Machn	Mchn	General Industrial Machinery	Modruson Frank Blaise	IL	D		1	P	255	254.59	1	4	27	D
8/7/23 16:35	8/7/23	ZBRA	Zebra Technologies Corp		Machn	Mchn	General Industrial Machinery	Keyser Richard L	IL	D		1	P	249	248.85	1	3	37	D
8/1/23 13:50	7/31/23	GGG	Graco Inc	MN	Machn	Mchn	Pumps & Pumping Equipment	Sheahan Mark W	MN	DO	P,CEO	1	P	100	79.04	1	2	67	D
7/25/23 17:43	7/23/23	SYM	Symbotic Inc.		Machn	Mchn	General Industrial Machinery	Svf II Spac Investment 3 (De) LLC	DE	T		1	P.d	500,000	28.05	17,825	81	39,825	I
7/11/23 16:39	7/10/23	CW	Curtiss Wright Corp	DE	Machn	Mchn	Misc Industrial & Commercial	Ogilby Gary A	NC	O	VP,Corpo	1	P	13	155.44	0	6	2	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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