BY - Byline Bancorp, Inc. - Insider Stock Trading

Filing Date	T Date	Ticker	Sector	Ind	Industry	Owner	oSt	Rel	Title	T	TVal	Price	Qty	oc	Own	H
3/16/26 16:03	3/16/26	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	9	30.83	0	2	19	I
3/2/26 06:00	2/26/26	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S	-146	32.33	-5	-19	19	D
2/17/26 14:55	2/17/26	BY	Financ	StBnk	State Commercial Banks	Doran Brian F	IL	O	GC	P	25	33.13	1	New	1	D
1/29/26 10:33	1/28/26	BY	Financ	StBnk	State Commercial Banks	Cabrera Phillip R.	IL	D		P	5	31.03	0	1	20	I
10/29/25 17:45	10/28/25	BY	Financ	StBnk	State Commercial Banks	Abraham Thomas	IL	O	P,SBC	S	-629	26.89	-23	-38	39	D
10/28/25 17:15	10/28/25	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	2	27.56	0	0	15	I
9/15/25 17:29	9/12/25	BY	Financ	StBnk	State Commercial Banks	Rose Dana	IL	O	CHRO	S	-57	28.76	-2	-16	10	D
8/29/25 10:15	8/28/25	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	M.d	138	11.65	12	32	49	D
8/29/25 10:15	8/28/25	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	S.d	-344	29.10	-12	-19	49	D
8/11/25 11:43	8/8/25	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	2	25.71	0	0	15	I
6/24/25 16:20	6/23/25	BY	Financ	StBnk	State Commercial Banks	Herencia Roberto R	IL	DO	CEO	M.d	2,398	11.18	214	108	413	D
6/24/25 16:14	6/23/25	BY	Financ	StBnk	State Commercial Banks	Bell Thomas J III	IL	O	EVP CFO	M.d	486	11.18	43	577	51	D
6/23/25 12:56	6/20/25	BY	Financ	StBnk	State Commercial Banks	Biggam Megan	IL	O	EVP HEAD	M.d	409	11.18	37		32	D
6/13/25 15:33	6/13/25	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	51	25.33	2	12	19	D
6/13/25 15:15	6/11/25	BY	Financ	StBnk	State Commercial Banks	Herencia Roberto R	IL	DO	CEO	P.d	100	24.75	4	1	346	D
6/13/25 15:12	6/11/25	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	1,010	24.75	41	0	11,876	D
6/13/25 15:09	6/11/25	BY	Financ	StBnk	State Commercial Banks	Kent Steven P.	IL	D		P	102	24.75	4	5	90	I
6/13/25 13:02	6/13/25	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	4	25.29	0	1	15	I
6/12/25 12:04	6/11/25	BY	Financ	StBnk	State Commercial Banks	Cabrera Phillip R.	IL	D		P	58	24.75	2	14	20	I
6/12/25 11:19	6/10/25	BY	Financ	StBnk	State Commercial Banks	Biggam Megan	IL	O	EVP HEAD	M.d	40	11.18	4	26	18	D
6/12/25 11:19	6/10/25	BY	Financ	StBnk	State Commercial Banks	Biggam Megan	IL	O	EVP HEAD	S.d	-97	26.75	-4	-17	18	D
6/11/25 12:28	6/9/25	BY	Financ	StBnk	State Commercial Banks	Biggam Megan	IL	O	EVP HEAD	M.d	96	11.18	9	95	18	D
6/11/25 12:28	6/9/25	BY	Financ	StBnk	State Commercial Banks	Biggam Megan	IL	O	EVP HEAD	S.d	-229	26.75	-9	-33	18	D
3/7/25 16:05	3/6/25	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	7	27.16	0	2	17	D
3/6/25 16:05	3/4/25	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	2	27.77	0	0	15	I
2/28/25 17:05	2/27/25	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S	-126	28.18	-4	-18	20	D
2/26/25 18:17	2/25/25	BY	Financ	StBnk	State Commercial Banks	Abraham Thomas	IL	O	P,SBC	S	-192	28.86	-7	-10	62	D
11/21/24 15:47	11/20/24	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	2	30.56	0	0	15	I
11/12/24 16:11	11/7/24	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	S	-249	30.68	-8	-32	17	D
11/12/24 16:09	11/7/24	BY	Financ	StBnk	State Commercial Banks	Paracchini Alberto J	IL	DO	P	S	-305	30.51	-10	-6	168	D
11/12/24 16:07	11/7/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S	-76	30.45	-3	-11	20	D
9/3/24 14:56	8/29/24	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	M.d	138	11.65	12	86	26	D
9/3/24 14:56	8/29/24	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	S.d	-327	27.65	-12	-32	26	D
8/28/24 16:20	8/26/24	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	2	27.91	0	0	15	I
8/28/24 16:18	8/26/24	BY	Financ	StBnk	State Commercial Banks	Rose Dana	IL	O	CHRO	S	-77	27.79	-3	-24	9	D
8/8/24 15:36	8/7/24	BY	Financ	StBnk	State Commercial Banks	Stewart Pamela C	IL	D		P	100	25.99	4	155	6	D
8/2/24 12:15	7/31/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	M.d	302	11.18	27		23	D
8/2/24 12:15	7/31/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S.d	-761	28.19	-27	-54	23	D
7/31/24 11:45	7/29/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	M.d	17	11.18	1	7	23	D
7/31/24 11:45	7/29/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S.dm	-268	28.21	-9	-29	23	D
6/18/24 10:48	6/14/24	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	1	22.47	0	0	15	I
6/13/24 18:44	6/13/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	M.d	112	11.18	10	48	31	D
6/13/24 18:44	6/13/24	BY	Financ	StBnk	State Commercial Banks	Barkidjija John	IL	O	HEAD OF	S.d	-226	22.64	-10	-25	31	D
6/7/24 16:05	6/6/24	BY	Financ	StBnk	State Commercial Banks	Kent Steven P.	IL	D		P	6	22.44	0	0	86	I
3/12/24 14:29	3/11/24	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	1	21.09	0	0	14	I
3/5/24 17:55	3/4/24	BY	Financ	StBnk	State Commercial Banks	Johnson Michelle Lynn	IL	O	CHIEF RI	S	-80	20.70	-4	-46	5	D
3/4/24 12:06	2/29/24	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P.m	207	20.68	10	0	11,835	D
3/4/24 12:05	2/29/24	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P.m	207	20.68	10	0	11,835	I
2/29/24 17:32	2/29/24	BY	Financ	StBnk	State Commercial Banks	Rose Dana	IL	O	CHRO	S	-101	21.05	-5	-29	12	D
2/28/24 13:36	2/26/24	BY	Financ	StBnk	State Commercial Banks	Paracchini Alberto J	IL	DO	P	S.m	-461	20.88	-22	-11	178	D
2/26/24 16:15	2/22/24	BY	Financ	StBnk	State Commercial Banks	Paracchini Alberto J	IL	DO	P	S.m	-842	21.04	-40	-17	200	D
2/26/24 15:56	2/22/24	BY	Financ	StBnk	State Commercial Banks	Kent Steven P.	IL	D		P	5	20.93	0	0	86	I
2/23/24 15:36	2/21/24	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P.m	323	20.93	15	0	11,825	D
2/23/24 15:34	2/21/24	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P.m	323	20.93	15	0	11,825	I
2/16/24 13:33	2/15/24	BY	Financ	StBnk	State Commercial Banks	Casanueva Ana	IL	O	SVP,Dir	S	-32	21.54	-2	-41	2	D
2/9/24 10:25	2/7/24	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	11	20.43	1	3	16	D
1/24/24 17:13	1/22/24	BY	Financ	StBnk	State Commercial Banks	Paracchini Alberto J	IL	DO	P	M.d	2,398	11.18	214	999%	226	D
12/6/23 14:34	12/4/23	BY	Financ	StBnk	State Commercial Banks	Ptacin Brogan	IL	O	Head of	M.d	100	10.59	9	91	20	D
12/1/23 10:54	11/29/23	BY	Financ	StBnk	State Commercial Banks	Kent Steven P.	IL	D		P	8	20.25	0	0	86	I
11/22/23 09:13	11/21/23	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	10	20.54	1	4	14	I
11/6/23 11:41	11/3/23	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	21	20.23	1	7	16	D
11/3/23 17:09	11/1/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	78	18.95	4	0	11,810	I
11/3/23 17:08	11/1/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P	78	18.95	4	0	11,810	D
11/1/23 15:51	10/30/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	190	19.00	10	0	11,806	I
11/1/23 15:49	10/30/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P	190	19.00	10	0	11,806	D
8/23/23 15:50	8/22/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P	207	20.65	10	0	11,796	D
8/23/23 15:49	8/22/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	207	20.65	10	0	11,796	I
8/22/23 12:00	8/17/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	214	21.44	10	0	11,786	I
8/22/23 11:59	8/17/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P	214	21.44	10	0	11,786	D
8/17/23 15:27	8/15/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P.m	214	21.37	10	0	11,776	I
8/17/23 15:24	8/15/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P.m	214	21.37	10	0	11,776	D
8/17/23 14:12	8/16/23	BY	Financ	StBnk	State Commercial Banks	Kistner William G	IL	D		P	13	21.41	1	5	13	I
8/15/23 14:12	8/11/23	BY	Financ	StBnk	State Commercial Banks	Herseth Mary Jo S.	IL	D		P	26	22.11	1	9	15	D
8/7/23 14:35	8/3/23	BY	Financ	StBnk	State Commercial Banks	Mbg Investors I, L.P.	IL	T		P	433	21.63	20	0	11,766	D
8/7/23 14:33	8/3/23	BY	Financ	StBnk	State Commercial Banks	Del Valle Perochena Antonio	IL	DT		P	433	21.63	20	0	11,766	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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