United States

Byline Bancorp Inc (BY)

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Byline Bancorp experienced significant insider trading activity recently, with net sales totaling approximately 23.46 million dollars over the past ninety days. Major divestments by institutional entities and officers occurred following a positive earnings report. Despite these outflows, the stock price remains near its fifty-two-week high, reflecting strong market performance during this period.
Ticker: BY Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Byline Bancorp Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Sale 12 Aug 2026
Value US$2,426,862.41 | Price 355.15 | Shares 27,421 (-19.7%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-12 2026-08-12 S Sale
2.1
Rose Dana

CHIEF HUMAN RESOURCES OFFICER

Officer
27,421 -19.7%
355.15
US$2,426,862 		27,421 -19.7% 355.15 US$2,426,862
2026-08-12 2026-08-12 PrS Proposed sale
2.1
DanaRose

Officer

Officer
96,343
356.72
US$888,925 		96,343 356.72 US$888,925
2026-08-11 2026-08-07 S Sale
2.7
MBG INVESTORS I, L.P.
Large shareholder
17,447 +13.3%
251.28
US$2,006,355 		17,447 +13.3% 251.28 US$2,006,355
2026-08-11 2026-08-07 S Sale
2.9
DEL VALLE PEROCHENA ANTONIO
Non-Executive Director Large shareholder
1,000 -2.5%
39.10
US$100,000 		1,000 -2.5% 39.10 US$100,000
2026-08-03 2026-08-03 PrS Proposed sale
3.2
Brogan Ptacin

Director

Non-Executive Director
1,000
39.64
US$100,000 		1,000 39.64 US$100,000
2026-05-04 2026-05-04 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
100 +0.7%
31.97
US$3,197 		100 +0.7% 31.97 US$3,197
2026-03-16 2026-03-16 B Purchase
3.5
HERSETH MARY JO S.
Non-Executive Director
300 +1.6%
30.83
US$9,249 		300 +1.6% 30.83 US$9,249
2026-03-02 2026-02-26 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
4,509 -19.0%
32.33
US$145,776 		4,509 -19.0% 32.33 US$145,776
2026-02-26 2026-02-26 PrS Proposed sale
3.2
John Barkdidjija

Officer

Officer
4,905
32.62
US$160,000 		4,905 32.62 US$160,000
2026-02-17 2026-02-17 B Purchase
1.6
Doran Brian F

General Counsel

Officer
750 +inf%
33.13
US$24,847 		750 +inf% 33.13 US$24,847
2026-01-29 2026-01-28 B Purchase
3.3
CABRERA PHILLIP R.
Non-Executive Director
169 +4.3%
31.03
US$5,244 		169 +4.3% 31.03 US$5,244
2025-10-29 2025-10-28 S Sale
1.7
ABRAHAM THOMAS

PRESIDENT, SBC

Officer
20,000 -34.0%
26.87
US$537,430 		20,000 -34.0% 26.87 US$537,430
2025-10-29 2025-10-28 S Sale
1.7
ABRAHAM THOMAS

PRESIDENT, SBC

Officer
3,400 -5.5%
26.98
US$91,717 		3,400 -5.5% 26.98 US$91,717
2025-10-28 2025-10-28 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
65 +0.5%
27.56
US$1,791 		65 +0.5% 27.56 US$1,791
2025-09-15 2025-09-12 S Sale
2.1
Rose Dana

CHIEF HUMAN RESOURCES OFFICER

Officer
1,999 -16.4%
28.76
US$57,491 		1,999 -16.4% 28.76 US$57,491
2025-09-12 2025-09-12 PrS Proposed sale
2.1
Rose Dana

Officer

Officer
1,999
28.71
US$57,400 		1,999 28.71 US$57,400
2025-08-29 2025-08-28 S Sale
3.2
Ptacin Brogan

HEAD OF COMMERCIAL BANKING

Officer
11,812 -35.2%
29.10
US$343,729 		11,812 -35.2% 29.10 US$343,729
2025-08-28 2025-08-28 PrS Proposed sale
3.2
Ptacin Brogan

Officer

Officer
11,812
29.76
US$351,500 		11,812 29.76 US$351,500
2025-08-11 2025-08-08 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
60 +0.4%
25.71
US$1,542 		60 +0.4% 25.71 US$1,542
2025-06-13 2025-06-13 B Purchase
3.5
HERSETH MARY JO S.
Non-Executive Director
2,000 +12.1%
25.33
US$50,654 		2,000 +12.1% 25.33 US$50,654
2025-06-13 2025-06-13 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
164 +1.2%
25.29
US$4,147 		164 +1.2% 25.29 US$4,147
2025-06-13 2025-06-11 B Purchase
2.9
DEL VALLE PEROCHENA ANTONIO
Non-Executive Director Large shareholder
40,808 +inf%
24.75
US$1,009,998 		40,808 +inf% 24.75 US$1,009,998
2025-06-13 2025-06-11 B Purchase
3.4
HERENCIA ROBERTO R

CHIEF EXECUTIVE OFFICER

Executive Director
4,040 +1.3%
24.75
US$99,990 		4,040 +1.3% 24.75 US$99,990
2025-06-13 2025-06-11 B Purchase
3.6
KENT STEVEN P.
Non-Executive Director
4,125 +6.1%
24.75
US$102,094 		4,125 +6.1% 24.75 US$102,094
2025-06-12 2025-06-11 B Purchase
3.3
CABRERA PHILLIP R.
Non-Executive Director
2,360 +147.5%
24.75
US$58,410 		2,360 +147.5% 24.75 US$58,410
2025-06-12 2025-06-10 S Sale
2.0
BIGGAM MEGAN

EVP HEAD OF COMMUNITY BANKING

Officer
3,611 -17.0%
26.75
US$96,594 		3,611 -17.0% 26.75 US$96,594
2025-06-11 2025-06-09 S Sale
2.0
BIGGAM MEGAN

EVP HEAD OF COMMUNITY BANKING

Officer
8,576 -32.7%
26.75
US$229,449 		8,576 -32.7% 26.75 US$229,449
2025-06-10 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
24,374
27.49
US$670,000 		24,374 27.49 US$670,000
2025-06-10 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
12,187
27.49
US$335,000 		12,187 27.49 US$335,000
2025-06-10 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
12,187
27.49
US$335,000 		12,187 27.49 US$335,000
2025-06-09 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
24,374
27.49
US$670,000 		24,374 27.49 US$670,000
2025-06-09 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
12,187
27.49
US$335,000 		12,187 27.49 US$335,000
2025-06-09 2025-06-09 PrS Proposed sale
2.0
BIGGAM MEGAN

Officer

Officer
12,187
27.49
US$335,000 		12,187 27.49 US$335,000
2025-03-07 2025-03-06 B Purchase
3.5
HERSETH MARY JO S.
Non-Executive Director
268 +1.7%
27.16
US$7,278 		268 +1.7% 27.16 US$7,278
2025-03-06 2025-03-04 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
65 +0.5%
27.77
US$1,805 		65 +0.5% 27.77 US$1,805
2025-02-28 2025-02-27 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
4,468 -18.4%
28.18
US$125,912 		4,468 -18.4% 28.18 US$125,912
2025-02-27 2025-02-27 PrS Proposed sale
3.2
Barkidjija John

Officer

Officer
4,468
28.76
US$128,500 		4,468 28.76 US$128,500
2025-02-26 2025-02-25 S Sale
1.7
ABRAHAM THOMAS

PRESIDENT, SBC

Officer
6,658 -9.7%
28.86
US$192,137 		6,658 -9.7% 28.86 US$192,137
2025-02-24 2025-02-25 PrS Proposed sale
1.7
THOMAS ABRAHAM

Officer

Officer
6,658
29.88
US$198,941 		6,658 29.88 US$198,941
2024-11-21 2024-11-20 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
50 +0.4%
30.56
US$1,528 		50 +0.4% 30.56 US$1,528
2024-11-12 2024-11-07 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
2,500 -11.0%
30.45
US$76,134 		2,500 -11.0% 30.45 US$76,134
2024-11-12 2024-11-07 S Sale
2.6
Paracchini Alberto J

PRESIDENT

Executive Director
10,000 -5.6%
30.51
US$305,057 		10,000 -5.6% 30.51 US$305,057
2024-11-12 2024-11-07 S Sale
3.2
Ptacin Brogan

HEAD OF COMMERCIAL BANKING

Officer
8,100 -31.7%
30.68
US$248,514 		8,100 -31.7% 30.68 US$248,514
2024-11-07 2024-11-07 PrS Proposed sale
2.6
Paracchini Alberto J

Officer

Officer
10,000
30.70
US$307,000 		10,000 30.70 US$307,000
2024-11-07 2024-11-07 PrS Proposed sale
3.2
Barkidjija John

Officer

Officer
2,500
30.40
US$76,002 		2,500 30.40 US$76,002
2024-11-07 2024-11-07 PrS Proposed sale
3.2
Brogan Ptacin

Director

Non-Executive Director
8,100
30.12
US$244,000 		8,100 30.12 US$244,000
2024-09-03 2024-08-29 S Sale
3.2
Ptacin Brogan

HEAD OF COMMERCIAL BANKING

Officer
11,812 -31.6%
27.65
US$326,618 		11,812 -31.6% 27.65 US$326,618
2024-08-29 2024-08-29 PrS Proposed sale
3.2
Ptacin Brogan

Officer

Officer
11,812
28.50
US$336,642 		11,812 28.50 US$336,642
2024-08-28 2024-08-26 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
60 +0.4%
27.91
US$1,675 		60 +0.4% 27.91 US$1,675
2024-08-28 2024-08-26 S Sale
2.1
Rose Dana

CHIEF HUMAN RESOURCES OFFICER

Officer
2,780 -24.0%
27.79
US$77,256 		2,780 -24.0% 27.79 US$77,256
2024-08-23 2024-08-26 PrS Proposed sale
2.1
Rose Dana

Officer

Officer
2,780
28.50
US$79,230 		2,780 28.50 US$79,230
2024-08-08 2024-08-07 B Purchase
2.8
Stewart Pamela C
Non-Executive Director
3,850 +154.9%
25.99
US$100,061 		3,850 +154.9% 25.99 US$100,061
2024-08-02 2024-07-31 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
4,624 -16.9%
28.03
US$129,603 		4,624 -16.9% 28.03 US$129,603
2024-08-02 2024-07-31 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
7,761 -25.5%
28.25
US$219,248 		7,761 -25.5% 28.25 US$219,248
2024-08-02 2024-07-31 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
14,624 -39.2%
28.20
US$412,397 		14,624 -39.2% 28.20 US$412,397
2024-07-31 2024-07-30 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
8,000 -26.1%
28.01
US$224,114 		8,000 -26.1% 28.01 US$224,114
2024-07-31 2024-07-29 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
1,488 -4.6%
29.26
US$43,538 		1,488 -4.6% 29.26 US$43,538
2024-07-29 2024-07-29 PrS Proposed sale
3.2
Barkidjija John

Officer

Officer
36,497
29.50
US$1,076,661 		36,497 29.50 US$1,076,661
2024-06-18 2024-06-14 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
50 +0.4%
22.47
US$1,124 		50 +0.4% 22.47 US$1,124
2024-06-13 2024-06-13 S Sale
3.2
Barkidjija John

HEAD OF CRE & SPECIALTY FIN

Officer
10,000 -24.6%
22.64
US$226,420 		10,000 -24.6% 22.64 US$226,420
2024-06-12 2024-06-13 PrS Proposed sale
3.2
Barkidjija John

Officer

Officer
10,000
23.00
US$230,000 		10,000 23.00 US$230,000
2024-06-07 2024-06-06 B Purchase
3.6
KENT STEVEN P.
Non-Executive Director
250 +1.4%
22.44
US$5,610 		250 +1.4% 22.44 US$5,610
2024-03-12 2024-03-11 B Purchase
3.3
KISTNER WILLIAM G
Non-Executive Director
60 +0.4%
21.09
US$1,265 		60 +0.4% 21.09 US$1,265
2024-03-05 2024-03-04 S Sale
1.9
JOHNSON MICHELLE LYNN

CHIEF RISK OFFICER

Officer
3,880 -45.6%
20.70
US$80,320 		3,880 -45.6% 20.70 US$80,320
2024-03-04 2024-03-04 PrS Proposed sale
1.9
JOHNSON MICHELLE LYNN

Officer

Officer
3,880
21.01
US$81,500 		3,880 21.01 US$81,500
2024-03-04 2024-03-01 B Purchase
2.9
DEL VALLE PEROCHENA ANTONIO
Non-Executive Director Large shareholder
7,103 +0.1%
20.65
US$146,646 		7,103 +0.1% 20.65 US$146,646
2024-03-04 2024-03-01 B Purchase
2.7
MBG INVESTORS I, L.P.
Large shareholder
7,103 +0.1%
20.65
US$146,646 		7,103 +0.1% 20.65 US$146,646
2024-03-04 2024-02-29 B Purchase
2.9
DEL VALLE PEROCHENA ANTONIO
Non-Executive Director Large shareholder
2,897 +0.0%
20.76
US$60,130 		2,897 +0.0% 20.76 US$60,130
2024-03-04 2024-02-29 B Purchase
2.7
MBG INVESTORS I, L.P.
Large shareholder
2,897 +0.0%
20.76
US$60,130 		2,897 +0.0% 20.76 US$60,130
2024-02-29 2024-02-29 S Sale
2.1
Rose Dana

CHIEF HUMAN RESOURCES OFFICER

Officer
4,809 -29.3%
21.05
US$101,217 		4,809 -29.3% 21.05 US$101,217
2024-02-28 2024-02-27 S Sale
2.6
Paracchini Alberto J

PRESIDENT

Executive Director
18,200 -9.3%
20.83
US$379,146 		18,200 -9.3% 20.83 US$379,146
2024-02-28 2024-02-27 S Sale
2.6
Paracchini Alberto J

PRESIDENT

Executive Director
1,800 -0.9%
21.03
US$37,845 		1,800 -0.9% 21.03 US$37,845
2024-02-28 2024-02-26 S Sale
2.6
Paracchini Alberto J

PRESIDENT

Executive Director
2,100 -1.0%
21.19
US$44,496 		2,100 -1.0% 21.19 US$44,496
2024-02-26 2024-02-26 PrS Proposed sale
2.1
Rose Dana

Officer

Officer
4,809
21.21
US$102,000 		4,809 21.21 US$102,000
2024-02-26 2024-02-23 S Sale
2.6
Paracchini Alberto J

PRESIDENT

Executive Director
20,000 -9.1%
21.08
US$421,518 		20,000 -9.1% 21.08 US$421,518
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