Industrial & Commercial Fans & Blowers & Air Purifing Equip Industry - Insider Stock Trading

Filing Date	T Date	Ticker	Issuer	Inc	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
5/22/24 16:31	5/21/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P.a	98	24.50	4	2	257	D
5/22/24 11:44	5/21/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	98	24.50	4	2	257	D
5/2/24 08:12	5/1/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	110	21.95	5	2	244	D
3/8/24 09:29	3/6/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Siegel Laurie	TX	D		P	50	19.87	3	46	8	D
3/8/24 09:28	3/6/24	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	989	19.78	50	27	238	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		P	11	7.50	2	5	32	D
9/28/23 17:21	9/26/23	PPIH	Perma-Pipe International Holdings, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Walker Jerome T.	TX	D		P	9	7.90	1	4	31	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		P	50	8.36	6	42	20	D
9/19/23 07:55	9/18/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	160	15.99	10	6	185	D
9/11/23 10:14	9/7/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	165	13.76	12	7	175	I
8/14/23 16:02	8/11/23	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Arnone Vincent J	IL	DO	P,CEO	P	18	1.20	15	5	345	D
4/12/23 11:43	4/11/23	DCI	Donaldson Co Inc	DE	Machn	Mchn	Industrial & Commercial Fans	Hilger Christopher M.	MN	D		P	200	62.76	3	68	8	D
3/17/23 07:58	3/15/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Liner David B	TX	D		P	41	13.62	3	3	118	D
3/8/23 14:30	3/7/23	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	151	15.08	10	7	153	I
11/21/22 10:03	11/18/22	CECO	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Nuggihalli Ramesh	TX	O	COO	P	3	11.25	0	0	75	D
9/22/22 13:33	9/20/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Liner David B	TX	D		P.m	142	9.47	15	15	115	D
8/25/22 09:53	8/24/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Nuggihalli Ramesh	TX	O	COO	P	3	10.33	0	0	75	D
8/10/22 16:49	8/9/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P	179	8.97	20	16	143	I
5/19/22 16:30	5/17/22	FTEK	Fuel Tech, Inc.	DE	Machn	Mchn	Industrial & Commercial Fans	Arnone Vincent J	IL	DO	P,CEO	P	24	1.20	20	6	330	D
5/12/22 17:47	5/11/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Nuggihalli Ramesh	TX	O	COO	P	3	5.36	1	1	75	D
3/28/22 16:15	3/24/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Gleason Todd R	TX	DO	CEO	P	10	5.56	2	1	191	D
3/23/22 17:05	3/21/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P.m	174	5.79	30	37	111	D
3/17/22 15:20	3/15/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Nuggihalli Ramesh	TX	O	COO	P	3	5.37	1	1	74	D
3/17/22 15:15	3/15/22	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Eckl Matthew	TX	O	CFO	P	10	5.48	2	1	190	D
12/22/21 16:38	12/20/21	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P.m	89	5.96	15	23	81	D
12/13/21 19:08	12/9/21	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Wallman Richard F	TX	D		P.m	183	6.10	30	84	66	M
11/12/21 21:38	11/10/21	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Nuggihalli Ramesh	TX	O	COO	P.a	4	7.04	1	1	45	D
11/12/21 16:17	11/10/21	CECE	Ceco Environmental Corp	DE	Machn	Mchn	Industrial & Commercial Fans	Henry Chasity	TX	O	COO	P	4	7.04	1	1	45	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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