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
11/25/24 09:25	11/22/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Trent T McKenna	TX	O	EVP,COO	2	S.d	-5,890	323.92	-18		24	D
11/15/24 07:25	11/13/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Lane Brian E.	TX	DO	P,CEO	4	S.m	-23,985	278.89	-86		244	D
11/12/24 10:36	11/8/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	George William III	TX	O	CFO	3	S	-6,792	344.59	-20		62	D
11/7/24 10:31	11/5/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Mercado, Pablo G.	TX	D		2	S	-1,363	368.50	-4		11	D
11/1/24 16:05	10/30/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Griffin William F Jr	CT	DH	GEMMA, N	4	S.dm	-5,299	84.78	-63		192	I
10/31/24 16:18	10/30/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Myers Franklin	TX	DH	Chairman	2	S	-10,228	243.52	-42		120	D
10/29/24 21:10	10/28/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Tang Vance W	TX	D		6	S	-6,052	284.21	-21		25	I
10/21/24 19:19	10/17/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Bosselmann Rainer H	MD	D		6	S.dm	-17,133	68.40	-251		301	D
9/27/24 16:05	9/25/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Flanders Cynthia	MD	D		2	S.d	-804	67.00	-12		17	D
9/23/24 16:03	9/23/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Leimkuhler William F.	CT	D		1	S	-962	96.20	-10		38	D
9/19/24 18:02	9/19/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Bakas Michael T	MA	O	EVP	3	S.d	-11	33.97	0		11	D
9/19/24 18:01	9/19/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Maltezos Louis P	MA	O	EVP	3	S.d	-8	33.97	0		30	D
9/19/24 17:59	9/19/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Chiplock Mark	MA	O	EVP,CFO,	4	S.d	-115	34.91	-3		1	D
9/19/24 17:58	9/19/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Christakis Peter	MA	O	EVP	3	S.d	-11	33.97	0		12	D
9/19/24 17:55	9/19/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Corrsin David J	MA	DO	EVP,GC	3	S.dm	-11	33.67	0		1	M
9/16/24 19:03	9/12/24	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	Gendell Jeffrey L Et Al	CT	DOT	CEO	17	S.m	-87,818	130.10	-675		11,594	I
9/13/24 17:09	9/11/24	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	Cleveland Todd M	IN	D		4	S.m	-6,158	112.68	-55		148	D
9/12/24 15:28	9/11/24	MTRX	Matrix Service Co	DE	Build	BldTrd	Special Trade Contractors	Miller James Harry	OK	D		2	S	-81	10.74	-8		79	D
9/11/24 18:23	9/10/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Quinn James W	NY	D		1	S.m	-1,785	89.25	-20		60	D
9/10/24 18:27	9/10/24	LMB	Limbach Holdings, Inc.	DE	Build	BldTrd	Special Trade Contractors	Horowitz Joshua	CT	D		5	S.m	-4,061	60.02	-68		291	D
9/4/24 17:51	8/30/24	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	Gendell David B.	TX	D		1	S	-1,873	187.26	-10		134	D
8/30/24 16:05	8/29/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Shaeff Julie	TX	O	Chief Ac	2	S	-1,771	232.90	-8		18	D
8/28/24 11:25	8/27/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Anderson Darcy	TX	D		3	S	-3,602	332.14	-11		44	D
8/23/24 17:38	8/21/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Studer Karl W	TX	O	P,Electr	1	S	-6,318	270.51	-23		11	D
8/16/24 18:01	8/14/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Austin Earl C. Jr.	TX	DO	P,CEO	1	S	-34,087	262.21	-130		613	D
8/16/24 17:07	8/15/24	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	McLauchlin Tracy	TX	O	SVP,CFO,	2	S	-1,459	145.93	-10		69	D
8/14/24 16:56	8/12/24	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Hole Spencer Doran	MA	O	EVP,CFO	5	S.d	-566	37.23	-15		2	D
8/13/24 18:20	8/9/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Probst James Redgie	TX	O	COO	1	S	-8,841	260.03	-34		49	D
8/13/24 18:19	8/9/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Ducey Gerald A Jr	TX	O	P - Stra	1	S	-3,869	257.93	-15		21	D
7/31/24 17:37	7/30/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Koilpillai Mano S	MD	H	Former D	2	S	-369	69.26	-5		8	D
7/30/24 16:04	7/29/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Walker-Lee Robin A	FL	D		1	S	-482	370.79	-1		9	D
7/26/24 16:05	7/24/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Getsinger Peter W	MA	D		1	S	-110	78.36	-1		13	D
7/26/24 16:05	7/24/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Watson David Hibbert	MD	DO	P,CEO	1	S	-1,177	77.79	-15		44	D
6/18/24 17:28	6/13/24	RELT	Reliant Holdings, Inc.	NV	Build	BldTrd	Special Trade Contractors	May Elijah	TX	T		1	S	-400	400.00	-1	0	9,676	D
6/13/24 16:15	6/12/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Buck Robert M	FL	DO	P,CEO	5	S.d	-6,690	352.12	-19		74	D
6/7/24 14:33	6/6/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Lowe Carol P	NC	D		1	S	-466	374.23	-1		17	D
6/3/24 16:15	5/31/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Taylor Nancy M	FL	D		1	S	-125	415.81	0		6	D
5/23/24 16:04	5/22/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Mauricio Maxine Lum	CT	O	CAO,EVP,	1	S	-1,800	389.58	-5		24	D
5/21/24 16:07	5/17/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Lind Robert Peter	CT	O	VP,Contr	1	S	0	0.00	0	0	5	D
5/21/24 16:05	5/17/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Nalbandian Jason R	CT	O	SVP,CFO,	1	S	0	0.00	0	0	14	D
5/20/24 17:15	5/16/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Bulls Herman E	TX	D		2	S	-2,301	328.68	-7		44	D
5/16/24 17:04	5/14/24	BBCP	Concrete Pumping Holdings, Inc.	DE	Build	BldTrd	Special Trade Contractors	Young Bruce F.	CO	DO	CEO	3	S.dm	-433	7.79	-56		2,276	D
5/16/24 16:09	5/15/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Donikowski Tina	FL	D		1	S	-279	436.11	-1		4	D
5/15/24 16:29	5/13/24	LMB	Limbach Holdings, Inc.	DE	Build	BldTrd	Special Trade Contractors	McNally Michael F	PA	D		1	S	-400	50.16	-8		57	D
5/15/24 16:29	5/13/24	LMB	Limbach Holdings, Inc.	DE	Build	BldTrd	Special Trade Contractors	Young Norbert W.	PA	D		2	S.d	-247	43.55	-6		37	D
5/10/24 16:12	5/9/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Kuhns Robert M	FL	O	VP,CFO	1	S	-220	406.53	-1		16	D
5/9/24 20:33	5/7/24	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	Simmes Matthew J	TX	O	P,COO	2	S	-2,795	155.30	-18		87	D
4/23/24 16:32	4/19/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Mitchell W G Champion	NC	D		2	S.dm	-956	60.38	-16		13	I
4/19/24 16:15	4/19/24	AGX	Argan Inc	DE	Build	BldTrd	Special Trade Contractors	Deily Richard H	MD	O	CFO,SVP	1	S	-383	61.15	-6		8	D
3/27/24 19:27	3/27/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Wayne Donald	TX	O	EVP,GC	4	S.m	-3,846	233.93	-16		43	D
3/25/24 16:40	3/22/24	MTRX	Matrix Service Co	DE	Build	BldTrd	Special Trade Contractors	Durkin Kevin A	OK	O	VP Chief	2	S	-101	12.93	-8		76	D
3/21/24 15:37	3/20/24	MTRX	Matrix Service Co	DE	Build	BldTrd	Special Trade Contractors	Hewitt John R	OK	DO	P,CEO	2	S	-223	12.71	-18		488	D
3/13/24 10:30	3/11/24	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Skidmore Constance Ellen	TX	D		3	S	-2,043	227.01	-9		20	D
3/12/24 16:02	3/12/24	EME	Emcor Group, Inc.	DE	Build	BldTrd	Electrical Work	Guzzi Anthony	CT	DO	CB,P,CEO	2	S	-4,078	239.88	-17		231	D
3/7/24 16:44	3/5/24	APG	Api Group Corp	D8	Build	BldTrd	Special Trade Contractors	Viking Global Investors LP	CT	T		4	S	-615,045	32.24	-19,077		27,072	I
3/6/24 18:30	3/4/24	APG	Api Group Corp	D8	Build	BldTrd	Special Trade Contractors	Lillie James E	MN	D		3	S.dm	-14,038	30.63	-458		6,599	I
3/6/24 18:30	3/4/24	APG	Api Group Corp	D8	Build	BldTrd	Special Trade Contractors	Ashken Ian G H	MN	D		3	S.dm	-14,999	31.03	-483		6,209	I
3/5/24 20:35	3/1/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Shannon Margaret B	TX	D		1	S.d	-2,043	239.92	-9		34	D
3/4/24 16:38	3/1/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Raia Steven P	FL	O	P,Sp Ops	5	S.d	-3,093	368.62	-8		11	D
3/4/24 16:31	3/1/24	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Franklin Robert Jeffrey	FL	O	P,Specia	2	S.d	-850	363.67	-2		15	D
2/29/24 18:37	2/27/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Jensen Derrick A	TX	O	EVP - Bu	1	S	-4,383	236.90	-19		260	D
2/29/24 18:35	2/27/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Foster Vincent D	TX	D		1	S.d	-4,176	238.61	-18		178	D
2/29/24 18:32	2/27/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Fried Bernard	TX	D		1	S.d	-947	236.65	-4		20	D
2/29/24 18:30	2/28/24	PWR	Quanta Services, Inc.	DE	Build	BldTrd	Electrical Work	Jackman Worthing	TX	D		1	S.d	-2,272	237.31	-10		7	D
2/28/24 19:29	2/27/24	APG	Api Group Corp	D8	Build	BldTrd	Special Trade Contractors	Krumm Kevin	MN	O	EVP,CFO	1	S.d	-199	35.72	-6		35	D
12/18/23 09:04	12/15/23	BLD	Topbuild Corp	DE	Build	BldTrd	Special Trade Contractors	Machado Luis Francisco	FL	O	VP,Gen.	1	S	-375	374.65	-1		8	D
12/7/23 11:39	12/5/23	MTRX	Matrix Service Co	DE	Build	BldTrd	Special Trade Contractors	Sheets Justin D	OK	O	VP,GC	1	S	-111	10.13	-11		56	D
11/13/23 09:00	11/9/23	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Sandbrook William J	TX	D		2	S	-2,332	186.58	-13		18	D
9/19/23 21:23	9/19/23	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Sakellaris George P	MA	DOT	P,CEO	1	S.d	-47	43.51	-1	0	2,049	D
9/19/23 20:17	9/19/23	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Macintosh Britta	MA	O	SVP	1	S.d	-6	43.51	0	0	34	D
9/19/23 20:15	9/18/23	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Bulgarino Nicole E	MA	O	EVP	1	S.d	-5	43.51	0		16	D
9/15/23 17:02	9/14/23	IESC	Ies Holdings, Inc.	DE	Build	BldTrd	Electrical Work	Newman Mary K	TX	O	VP,GC,Co	1	S	-139	69.72	-2		17	D
9/8/23 15:55	9/7/23	FIX	Comfort Systems USA Inc		Build	BldTrd	Electrical Work	Howell Laura Finley	TX	O	SVP,GC	1	S	-253	187.59	-1		7	D
9/5/23 16:12	8/31/23	AMRC	Ameresco, Inc.	DE	Build	BldTrd	Special Trade Contractors	Wisneski Francis V Jr	MA	D		3	S.dm	-549	45.14	-12		11	D
8/16/23 19:22	8/14/23	APG	Api Group Corp	D8	Build	BldTrd	Special Trade Contractors	Fd Juno Holdings L.P.	NY	H	See Rema	1	S	-72,241	27.80	-2,599	-100	0	I

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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