SUM - Summit Materials, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
12/26/24 16:17	12/20/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Noonan Anne P	CO	DO	P,CEO	M.d	0	0.00	124	60	330	D
12/26/24 16:17	12/20/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Craig Scott	CO	O	EVP,CFO	M.d	0	0.00	27	272	37	D
12/26/24 16:16	12/20/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Depriest Charles	CO	O	See rema	M.d	0	0.00	16	401	20	D
12/26/24 16:16	12/20/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Karli S.	CO	O	See Rema	M.d	0	0.00	22	106	43	D
12/26/24 16:15	12/20/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Loomes David	CO	O	See Rema	M.d	0	0.00	21	251	30	D
12/16/24 19:16	12/15/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Depriest Charles	CO	O	See rema	M.d	0	0.00	0	3	11	D
12/11/24 16:08	12/10/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Gaskill Christopher Burke	CO	O	See Rema	M.d	37	23.89	2	4	40	D
12/11/24 16:08	12/10/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Gaskill Christopher Burke	CO	O	See Rema	S.d	-78	50.91	-2	-4	40	D
5/14/24 16:47	5/13/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Kilgore Jason	CO	O	See Rema	M.d	911	18.00	51	43	169	D
5/14/24 16:47	5/13/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Kilgore Jason	CO	O	See Rema	S.d	-2,034	40.21	-51	-23	169	D
3/4/24 18:22	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Oates-Forney Tamla	CO	D		M.d	0	0.00	4	51	12	D
3/4/24 18:21	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Wade Anne K.	CO	D		M.d	0	0.00	4	18	27	D
3/4/24 18:21	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Wunning Steven H	CO	D		M.d	0	0.00	4	12	39	D
3/4/24 18:21	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Depriest Charles	CO	O	See rema	M.d	0	0.00	4	62	10	D
3/4/24 18:21	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Cantie Joseph S	CO	D		M.d	0	0.00	4	10	44	D
3/4/24 18:20	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Kilgore Jason	CO	O	See Rema	M.d	0	0.00	9	6	160	D
3/4/24 18:20	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Lance Howard L	CO	D		M.d	0	0.00	4	7	62	D
3/4/24 18:20	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Frantz Brian D	CO	O	See Rema	M.d	0	0.00	5	84	10	D
3/4/24 18:20	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Gaskill Christopher Burke	CO	O	See Rema	M.d	0	0.00	9	38	31	D
3/4/24 18:19	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Karli S.	CO	O	See Rema	M.d	0	0.00	8	51	23	D
3/4/24 18:19	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Noonan Anne P	CO	DO	P,CEO	M.d	0	0.00	52	32	213	D
3/4/24 18:19	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Craig Scott	CO	O	EVP,CFO	M.d	0	0.00	9	215	13	D
3/4/24 18:18	2/29/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Loomes David	CO	O	See Rema	M.d	0	0.00	8	79	17	D
3/1/24 19:58	2/28/24	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Ghelani Kekin	CO	O	Chief St	M.dm	0	0.00	13	323	17	D
9/18/23 16:32	9/15/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Ghelani Kekin	CO	O	Chief St	M.d	0	0.00	10		8	D
7/21/23 16:23	7/20/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Noonan Anne P	CO	DO	P,CEO	M.d	0	0.00	21	13	180	D
3/1/23 17:42	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Karli S.	CO	O	See Rema	M.d	0	0.00	7	61	18	D
3/1/23 17:41	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Gaskill Christopher Burke	CO	O	See Rema	M.d	0	0.00	8	49	26	D
3/1/23 17:40	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Harris Brian James	CO	O	EVP,CFO	M.d	0	0.00	17	8	220	D
3/1/23 17:39	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Noonan Anne P	CO	DO	P,CEO	M.d	0	0.00	34	25	168	D
3/1/23 17:38	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Oates-Forney Tamla	CO	D		M.d	0	0.00	4	93	8	D
3/1/23 17:36	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Wade Anne K.	CO	D		M.d	0	0.00	4	20	23	D
3/1/23 17:35	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Cantie Joseph S	CO	D		M.d	0	0.00	4	10	40	D
3/1/23 17:34	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Murphy John Raymond	CO	D		M.d	0	0.00	4	28	17	D
3/1/23 17:32	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Lance Howard L	CO	D		M.d	0	0.00	4	45	12	D
3/1/23 17:30	2/28/23	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Wunning Steven H	CO	D		M.d	0	0.00	4	12	34	D
9/6/22 16:46	9/3/22	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Karli S.	CO	O	See Rema	M.d	0	0.00	1	8	14	D
8/1/22 18:32	7/30/22	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Anderson Karli S.	CO	O	See Rema	M.d	0	0.00	6	72	14	D
8/1/22 18:29	7/30/22	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Gaskill Christopher Burke	CO	O	See Rema	M.d	0	0.00	7	52	20	D
8/1/22 18:25	7/30/22	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Harris Brian James	CO	O	EVP,CFO	M.d	0	0.00	13	7	192	D
7/20/22 19:01	7/20/22	SUM	Mining	IndMn	Mining & Quarrying of Nonmeta	Noonan Anne P	CO	DO	P,CEO	M.d	0	0.00	21	25	106	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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