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Insider · CIK 0001772766

Mary Jo S. Herseth

director

Files at BY (BYLINE BANCORP, INC.). First filing Mar 7, 2025, latest Aug 20, 2026.

In brief

Mary Jo S. Herseth files SEC Form 4 as director at BY (BYLINE BANCORP, INC.). Since Mar 7, 2025, Mary Jo S. Herseth has reported 4 open-market buys worth $79k and 0 open-market sells worth $0, the latest filed on Aug 20, 2026.

After Mary Jo S. Herseth's past buys, the stock beat the S&P 500 by a median 8.0% over six months (n = 3), and 67% of those buys were ahead of the index at six months. InsiderTell labels that a positive record.

The newest scored trade: bought $12k of BY on Aug 19, 2026, filed Aug 20, 2026, scored 23 (weak). In the last 12 months: 2 buys worth $21k and 0 sells worth $0.

Track record
Positive
Past buys beat the index over six months, median.
Median 6-month excess
+8.0%
after past buys, n = 3
Hit rate
67%
past buys that beat the index over 6 months
Open-market trades
4 / 0
$79k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

BY: BYLINE BANCORP, INC.

BYOct 9, 2026 · close 36.32

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
23Weak
BYbuy 2
BYLINE BANCORP, INC.
$12k
300 shares
+2%+50% from low-4% from high
15Weak
BYbuy
BYLINE BANCORP, INC.
$9,249
300 shares
+2%+33% from low-9% from high
54Moderate
BYbuy 6
BYLINE BANCORP, INC.
$51k
2,000 shares
+12%+9% from low-21% from high
23Weak
BYbuy 2
BYLINE BANCORP, INC.
$7,278
268 shares
+2%-

Transactions

Every row this insider has filed, 6 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 19, 2026BY
BYLINE BANCORP, INC.
POpen-market purchase
Common stockindirect: The Herseth Family Revocable Trust Dated 12/02/25
+300$38.40$12k19,100Aug 20, 2026
Mar 16, 2026BY
BYLINE BANCORP, INC.
POpen-market purchase
Common stockindirect: The Herseth Family Revocable Trust Dated 12/02/25
+300$30.83$9,24918,800Mar 16, 2026
Dec 10, 2025BY
BYLINE BANCORP, INC.
JOther
Common stock
-18,500--0Dec 10, 2025
Dec 10, 2025BY
BYLINE BANCORP, INC.
JOther
Common stockindirect: The Herseth Family Revocable Trust Dated 12/02/25
+18,500--18,500Dec 10, 2025
Jun 13, 2025BY
BYLINE BANCORP, INC.
POpen-market purchase
Common stock
+2,000$25.33$51k18,500Jun 13, 2025
Mar 6, 2025BY
BYLINE BANCORP, INC.
POpen-market purchase
Common stock
+268$27.16$7,27816,500Mar 7, 2025

Questions about Mary Jo S. Herseth

Answered from the filings on this page, as of the latest one.

Is Mary Jo S. Herseth buying or selling?

In the last 12 months Mary Jo S. Herseth reported 2 open-market buys worth $21k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $12k of BY on Aug 19, 2026. Grants, option exercises and tax withholding are not counted.

How did Mary Jo S. Herseth's past buys perform?

Measured from the first close after each filing, the stock beat the S&P 500 by a median 8.0% over six months across 3 past buys, with 67% ahead of the index. Past results describe what happened; they do not predict the next trade.

Where does Mary Jo S. Herseth file Form 4?

Mary Jo S. Herseth has filed Form 4 at BY (BYLINE BANCORP, INC.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mary Jo S. Herseth: insider trades and track record | InsiderTell