undamentalytics Newsletter

Byline Bancorp, Inc. insider trading

Every open-market purchase and sale by Byline Bancorp, Inc.'s officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Byline Bancorp, Inc. insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Byline Bancorp, Inc.’s insiders pay?

From February 2, 2018 to August 20, 2026, 24 insiders reported 55 open-market purchases and 54 sales not made under a pre-set plan in Byline Bancorp, Inc. Twelve months after each purchase was reported, the shares were −5.1% against the S&P 500 on average (median −1.2%), over 53 purchases with a full year of prices; 47% beat the index. After sales, the shares moved +0.3% against the index over 12 months (a negative figure means selling was the right call). Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on May 3, 2018 into $20,526 by November 2, 2026, +8.8% a year. It held shares 100% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $32,762 (+15.0% a year), and held throughout $32,762 (+15.0%).

$0$10.0k$20.0k$30.0k 201820192020202120222023202420252026 $32.8k$32.8k$20.5k
Copying Byline Bancorp, Inc.'s insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Byline Bancorp, Inc.'s insiders from May 3, 2018, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 100% of the time.
Byline Bancorp, Inc.: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Del Valle Perochena Antonio Director 17 −9.1% (17) 47% 1 — August 11, 2026
Herseth Mary Jo S. Director 13 −6.9% (12) 42% 0 — August 20, 2026
Ptacin Brogan HEAD OF COMMERCIAL BANKING 0 — — 9 −14.7% (9) August 29, 2025
Barkidjija John HEAD OF CRE & SPECIALTY FIN 0 — — 8 −5.7% (7) March 2, 2026
Kistner William G Director 8 +2.0% (8) 50% 0 — November 22, 2023
Beacom Owen Chief Credit Officer 0 — — 5 +60.6% (5) September 1, 2020
Cabrera Phillip R. Director 5 +5.4% (5) 60% 0 — June 12, 2025
Meyer Donald J EVP of Comm Banking 0 — — 5 −24.1% (5) November 20, 2018
Paracchini Alberto J PRESIDENT 2 −19.4% (2) 0% 3 +3.9% (3) November 12, 2024
Herencia Roberto R CHIEF EXECUTIVE OFFICER 2 −3.4% (2) 50% 2 −30.5% (1) August 14, 2026
Kent Steven P. Director 4 +1.9% (4) 75% 0 — June 13, 2025
Rose Dana CHIEF HUMAN RESOURCES OFFICER 0 — — 4 +9.1% (3) August 12, 2026
Yohanan Robert R. Director 0 — — 4 −20.0% (4) March 8, 2021
Abraham Thomas PRESIDENT, SBC 0 — — 2 +15.6% (2) October 29, 2025
Biggam Megan EVP HEAD OF COMMUNITY BANKING 0 — — 2 +13.3% (2) June 12, 2025
Casanueva Ana SVP, Director of Legal 0 — — 2 −4.3% (2) February 16, 2024
Johnson Michelle Lynn CHIEF RISK OFFICER 0 — — 2 −8.0% (2) March 5, 2024
Lammers Bruce W EVP & President of SBC 0 — — 2 −19.1% (2) March 13, 2018
Major Hart Angela E EVP, Head of Wealth Management 2 −13.5% (2) 50% 0 — May 16, 2022
Bell Thomas J III SVP and Treasurer 0 — — 1 +0.8% (1) August 27, 2021
Corby Lindsay Y EVP and CFO 0 — — 1 +62.9% (1) September 2, 2020
Doran Brian F General Counsel 1 — — 0 — February 17, 2026
Rull Steven M. Director 0 — — 1 +19.1% (1) March 8, 2021
Stewart Pamela C Director 1 −12.6% (1) 0% 0 — August 8, 2024

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Byline Bancorp, Inc.

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Byline Bancorp, Inc. in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After the 8 buying crowds with six months of prices, it averaged −3.8% against the index. After 5 selling crowds, +12.0%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
August 31, 20264 sellingnot yetnot yetnot yet
October 31, 20253 selling+21.7%+17.9%not yet
June 30, 20255 buying−2.6%−0.6%+23.5%
September 30, 20243 selling+5.7%+1.9%−14.3%
May 31, 20242 buying+13.3%+22.0%−1.1%
March 28, 20244 selling+5.3%+11.4%+14.7%
December 30, 20222 buying−14.1%−36.4%−22.2%
September 30, 20222 buying+6.3%−9.2%−24.4%
June 30, 20224 selling−10.0%−4.3%−40.8%
May 31, 20223 buying−8.2%−6.9%−31.1%
June 30, 20212 buying+9.6%+10.3%+17.3%
November 30, 20203 selling+32.4%+33.3%+44.3%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Latest 12 of 14. Total returns from the month end; past patterns are not a forecast.

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