Holder evidence
50
SEC ownership of BYLINE BANCORP, INC.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001702750.
Lead holder
MBG INVESTORS I, L.P.
13D/G signal
MBG INVESTORS I, L.P.
Latest evidence
04 May 2026
- CIK
- 0001702750
- Symbol
- BY on NYSE
- Location
- Chicago, IL
- SEC evidence mix
- 13D/G, 3/4/5, and 13F
- Lead holder
- MBG INVESTORS I, L.P.
- Latest large-stake holder
- MBG INVESTORS I, L.P.
- Latest evidence date
- 04 May 2026
Issuer identity
Ownership snapshot
Ownership snapshot
Top shareholders of BYLINE BANCORP, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
MBG INVESTORS I, L.P.
13D/G signal
MBG INVESTORS I, L.P.
Evidence rows
50
Latest as of
04 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 27%
13D/G row: MBG INVESTORS I, L.P.
Showing 1-8 of 50 holder rows.
Rank 1 holder
MBG INVESTORS I, L.P.
13D/G
3/4/5
- Ownership
- 27%
- Position
- $307.12M
Rank 2 holder
DIMENSIONAL FUND ADVISORS LP
13F
13D/G
- Ownership
- 5.1%
- Position
- $74.71M
Rank 3 holder
BlackRock, Inc.
13F
13D/G
- Ownership
- 5%
- Position
- $104.02M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MBG INVESTORS I, L.P. |
13D/G
3/4/5
10%+ Owner
|
27%
|
$307,122,013
11,835,145 shares
|
$0 | 12 Feb 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$74,712,927
2,366,600 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5%
from 13D/G
|
$104,020,725
3,294,923 shares
|
— | 31 Mar 2026 |
| Estate of Daniel L. Goodwin |
13D/G
|
0.03%
|
$368,232
13,613 shares
|
$0 | 30 Jun 2025 |
| Perochena Antonio del Valle |
3/4/5
Director, 10%+ Owner
|
26%
|
$308,132,010
11,875,953 shares
|
+$1,009,998 | 11 Jun 2025 |
| Roberto R. Herencia |
3/4/5
CHIEF EXECUTIVE OFFICER, Director
|
0.98%
|
$17,657,434
450,580 shares
mixed-class rows
|
+$99,990 | 22 Feb 2026 |
| Alberto J. Paracchini |
3/4/5
PRESIDENT, Director
|
0.42%
|
$6,436,363
194,276 shares
|
— | 22 Feb 2026 |
| Steven P. Kent |
3/4/5
Director
|
0.2%
|
$2,249,399
90,000 shares
|
+$102,094 | 11 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$131,023.
Buys
$1,371,163
Insiders: 7
Sells
$1,502,187
Insiders: 5
Net
-$131,023
Shares: +1,034
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 54,941
Shares: 53,907
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 400 | 0 | $12,446 | $0 | +$12,446 |
| 3-6 | 919 | 4,509 | $30,091 | $145,776 | -$115,684 |
| 6-9 | 65 | 25,399 | $1,791 | $686,638 | -$684,847 |
| 9-12 | 53,557 | 23,999 | $1,326,835 | $669,773 | +$657,062 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to BYLINE BANCORP, INC.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Lead holder
Perochena Antonio del Valle
Net 12M change
-$131,023
Latest report
04 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Perochena Antonio del Valle | Director, 10%+ Owner | $308,132,010 | +$1,009,998 | +0.33% | Mixed | 11 Jun 2025 |
| MBG INVESTORS I, L.P. | 10%+ Owner | $244,344,853 | Filing P/S | 29 Feb 2024 | ||
| Roberto R. Herencia | CHIEF EXECUTIVE OFFICER, Director | $17,657,434 | +$99,990 | +0.57% | Mixed | 22 Feb 2026 |
| Alberto J. Paracchini | PRESIDENT, Director | $6,436,363 | Mixed | 22 Feb 2026 | ||
| Steven P. Kent | Director | $2,249,399 | +$102,094 | +4.8% | Mixed | 11 Jun 2025 |
| Brogan Ptacin | Head Of Commercial Banking | $1,969,035 | -$343,729 | -15% | Mixed | 22 Feb 2026 |
| Thomas J. Bell III | Evp Chief Financial Officer | $1,900,800 | Mixed | 22 Feb 2026 | ||
| Thomas Abraham | President, Sbc | $1,428,996 | -$629,147 | -31% | Mixed | 16 Apr 2026 |
| Carlos Ruiz Sacristan | Director | $1,369,986 | Mixed | 03 Oct 2023 | ||
| Lindsay Y. Corby | EVP and CFO | $1,258,190 | Mixed | 08 Jun 2022 | ||
| Megan Biggam | Evp Head Of Community Banking | $1,147,556 | -$326,043 | -22% | Mixed | 22 Feb 2026 |
| Mark Fucinato | Chief Credit Officer | $817,946 | Mixed | 22 Feb 2026 | ||
| John Barkidjija | Head Of Cre & Specialty Fin | $622,126 | -$145,776 | -19% | Filing P/S | 26 Feb 2026 |
| Maria Sherylle A. Olano | Svp, Chief Accounting Officer | $621,783 | Mixed | 22 Feb 2026 | ||
| Phillip R. Cabrera | Director | $590,761 | +$63,654 | +12% | Mixed | 28 Jan 2026 |
| Mary Jo S. Herseth | Director | $579,598 | +$59,903 | +12% | Filing P/S | 16 Mar 2026 |
| Nicolas Mando | Chief Technology & Operations | $516,596 | Mixed | 22 Feb 2026 | ||
| William G. Kistner | Director | $486,328 | +$10,677 | +2.2% | Mixed | 04 May 2026 |
| Dana Rose | Chief Human Resources Officer | $464,681 | -$57,491 | -11% | Mixed | 22 Feb 2026 |
| Michelle Lynn Johnson | Chief Risk Officer | $366,351 | Mixed | 22 Feb 2026 |
Recent insider transactions for BYLINE BANCORP, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| William G. Kistner | BY | Common stock | Purchase | 0.71% | $3,197 | $31.97 | 100 | 14,189 | 04 May 2026 | William G. Kistner Trust Date June 22, 1973 |
| Thomas Abraham | BY | Comon stock | Award | 5.58% | 2,406 | 45,539 | 16 Apr 2026 | Direct | ||
| Mary Jo S. Herseth | BY | Common stock | Purchase | 1.62% | $9,249 | $30.83 | 300 | 18,800 | 16 Mar 2026 | The Herseth Family Revocable Trust Dated 12/02/25 |
| John Barkidjija | BY | Common stock | Sale | -19% | $145,776 | $32.33 | -4,509 | 19,243 | 26 Feb 2026 | Direct |
| Nicolas Mando | BY | Common stock | Tax liability | -8.84% | -1,408 | 14,525 | 22 Feb 2026 | Direct | ||
| Nicolas Mando | BY | Common stock | Award | 32% | 3,935 | 16,229 | 22 Feb 2026 | Direct | ||
| Mark Fucinato | BY | Common stock | Tax liability | -9.16% | -2,353 | 23,330 | 22 Feb 2026 | Direct | ||
| Mark Fucinato | BY | Common stock | Award | 32.2% | 6,241 | 25,623 | 22 Feb 2026 | Direct | ||
| Alberto J. Paracchini | BY | Common stock | Tax liability | -3.16% | -6,158 | 188,990 | 22 Feb 2026 | Direct | ||
| Alberto J. Paracchini | BY | Common stock | Award | 10.9% | 19,332 | 197,019 | 22 Feb 2026 | Direct | ||
| Roberto R. Herencia | BY | Common stock | Tax liability | -4.01% | -17,187 | 411,421 | 22 Feb 2026 | Direct | ||
| Roberto R. Herencia | BY | Common stock | Award | 14.1% | 54,679 | 441,291 | 22 Feb 2026 | Direct | ||
| Dana Rose | BY | Common stock | Tax liability | -13.9% | -1,994 | 12,344 | 22 Feb 2026 | Direct | ||
| Dana Rose | BY | Common stock | Award | 64.4% | 5,828 | 14,881 | 22 Feb 2026 | Direct | ||
| Michelle Lynn Johnson | BY | Common stock | Tax liability | -12.2% | -1,339 | 9,630 | 22 Feb 2026 | Direct | ||
| Michelle Lynn Johnson | BY | Common stock | Award | 61% | 4,432 | 11,695 | 22 Feb 2026 | Direct | ||
| Megan Biggam | BY | Common stock | Tax liability | -4.16% | -1,450 | 33,400 | 22 Feb 2026 | Direct | ||
| Megan Biggam | BY | Common stock | Award | 13.3% | 4,147 | 35,316 | 22 Feb 2026 | Direct | ||
| John Barkidjija | BY | Common stock | Tax liability | -8.77% | -2,149 | 22,356 | 22 Feb 2026 | Direct | ||
| John Barkidjija | BY | Common stock | Award | 32.4% | 6,023 | 24,590 | 22 Feb 2026 | Direct | ||
| Brogan Ptacin | BY | Common stock | Tax liability | -8.29% | -2,196 | 24,302 | 22 Feb 2026 | Direct | ||
| Brogan Ptacin | BY | Common stock | Award | 30.7% | 6,281 | 26,717 | 22 Feb 2026 | Direct | ||
| Thomas J. Bell III | BY | Common stock | Tax liability | -8.54% | -5,059 | 54,155 | 22 Feb 2026 | Direct | ||
| Thomas J. Bell III | BY | Common stock | Award | 23.6% | 11,396 | 59,702 | 22 Feb 2026 | Direct | ||
| Brian F. Doran | BY | Common Stock | Award | 237.7% | 1,783 | 2,533 | 22 Feb 2026 | Direct | ||
| Maria Sherylle A. Olano | BY | Common stock | Tax liability | -5.21% | -1,032 | 18,768 | 22 Feb 2026 | Direct | ||
| Maria Sherylle A. Olano | BY | Common stock | Award | 13.6% | 2,378 | 19,800 | 22 Feb 2026 | Direct | ||
| Thomas Abraham | BY | Comon stock | Tax liability | -6.18% | -2,843 | 43,133 | 22 Feb 2026 | Direct | ||
| Thomas Abraham | BY | Comon stock | Award | 18.2% | 7,094 | 45,976 | 22 Feb 2026 | Direct | ||
| Brian F. Doran | BY | Common Stock | Purchase | $24,847 | $33.13 | 750 | 750 | 17 Feb 2026 | Direct | |
| Phillip R. Cabrera | BY | Common Stock | Purchase | 4.27% | $5,244 | $31.03 | 169 | 4,129 | 28 Jan 2026 | By Phillip R. Cabrera Revocable Trust |
| Mary Jo S. Herseth | BY | Common stock | Other | 18,500 | 18,500 | 10 Dec 2025 | The Herseth Family Revocable Trust Dated 12/02/25 | |||
| Mary Jo S. Herseth | BY | Common stock | Other | -100% | -18,500 | 0 | 10 Dec 2025 | Direct | ||
| Thomas Abraham | BY | Comon stock | Sale | -37.6% | $629,147 | $26.89 | -23,400 | 38,882 | 28 Oct 2025 | Direct |
| William G. Kistner | BY | Common stock | Purchase | 0.46% | $1,791 | $27.56 | 65 | 14,089 | 28 Oct 2025 | William G. Kistner Trust Date June 22, 1973 |
| Dana Rose | BY | Common stock | Sale | -16.4% | $57,491 | $28.76 | -1,999 | 10,192 | 12 Sep 2025 | Direct |
| Brogan Ptacin | BY | Common stock | Sale | -35.2% | $343,729 | $29.10 | -11,812 | 21,774 | 28 Aug 2025 | Direct |
| Brogan Ptacin | BY | Common stock | Options Exercise | 54.2% | 11,812 | 33,586 | 28 Aug 2025 | Direct | ||
| Brogan Ptacin | BY | Stock Option | Options Exercise | -55.6% | -11,812 | 9,450 | 28 Aug 2025 | Direct | ||
| William G. Kistner | BY | Common stock | Purchase | 0.43% | $1,542 | $25.70 | 60 | 14,024 | 08 Aug 2025 | William G. Kistner Trust Date June 22, 1973 |
| Maria Sherylle A. Olano | BY | Common stock | Tax liability | -1.25% | -217 | 17,143 | 29 Jul 2025 | Direct | ||
| Roberto R. Herencia | BY | Common stock | Tax liability | -29% | -147,362 | 360,335 | 23 Jun 2025 | Direct | ||
| Roberto R. Herencia | BY | Common stock | Options Exercise | 84.8% | 214,494 | 467,582 | 23 Jun 2025 | Direct | ||
| Roberto R. Herencia | BY | Stock Option | Options Exercise | -100% | -214,494 | 0 | 23 Jun 2025 | Direct | ||
| Thomas J. Bell III | BY | Common stock | Tax liability | -41.4% | -29,396 | 41,555 | 23 Jun 2025 | Direct | ||
| Thomas J. Bell III | BY | Common stock | Options Exercise | 249.6% | 43,497 | 60,920 | 23 Jun 2025 | Direct | ||
| Thomas J. Bell III | BY | Stock Option | Options Exercise | -100% | -43,497 | 0 | 23 Jun 2025 | Direct | ||
| Megan Biggam | BY | Common stock | Tax liability | -45% | -22,250 | 27,171 | 20 Jun 2025 | Direct | ||
| Megan Biggam | BY | Common stock | Options Exercise | 671.7% | 36,561 | 42,004 | 20 Jun 2025 | Direct | ||
| Megan Biggam | BY | Stock Option | Options Exercise | -100% | -36,561 | 0 | 20 Jun 2025 | Direct |
* indicates a reported price that failed the local validity check.