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sellWeak

Brogan Ptacin sold $344k of BY

HEAD OF COMMERCIAL BANKING at BYLINE BANCORP, INC.. 11,812 shares at an average of $29.10, traded Aug 28, 2025, filed Aug 29, 2025.

Warning score
25
Value
$344k
11,812 shares
Holdings after
21,774
-35% from before
From 52-week low
+26%
low $22.73, close $28.63
From 52-week high
-8%
high $31.24, as of Aug 28, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $344k at market
    +15
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -1.9%, 3m -3.1%, 6m +8.7%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

BYOct 9, 2026 · close 36.32
Since filing Aug 29, 2025: +27.5%SPY +22.3% · excess +5.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-023272, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 28, 2025MOption exercise
Common stock
+11,812$11.65$138k33,586Aug 29, 2025
Aug 28, 2025SOpen-market sale
Common stock
-11,812$29.10$344k21,774Aug 29, 2025
Aug 28, 2025MOption exercise
Stock Optionderivative
-11,812$0.00$09,450Aug 29, 2025

Related signals

Other insiders at BYLINE BANCORP, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
BYbuy 2
BYLINE BANCORP, INC.
William G Kistner
director
$3,830
100 shares
+1%
23Weak
BYbuy 2
BYLINE BANCORP, INC.
Mary Jo S. Herseth
director
$12k
300 shares
+2%
62Notable
BYsell 4
BYLINE BANCORP, INC.
Roberto R Herencia
CHIEF EXECUTIVE OFFICER
$774k
19,750 shares
-5%
45Moderate
BYsell 4
BYLINE BANCORP, INC.
Dana Rose
CHIEF HUMAN RESOURCES OFFICER
$94k
2,421 shares
-17%
55Moderate
BYsell 4
BYLINE BANCORP, INC.
Perochena Antonio Del Valle
director, owner
$12M
300,000 shares
-3%
52Moderate
BYsell 4
BYLINE BANCORP, INC.
Mbg Investors I, L.p.
owner
$12M
300,000 shares
-3%
10Weak
BYbuy
BYLINE BANCORP, INC.
William G Kistner
director
$3,197
100 shares
+1%
15Weak
BYbuy
BYLINE BANCORP, INC.
Mary Jo S. Herseth
director
$9,249
300 shares
+2%
31Weak
BYsell
BYLINE BANCORP, INC.
John Barkidjija
HEAD OF CRE & SPECIALTY FIN
$146k
4,509 shares
-19%
23Weak
BYbuy
BYLINE BANCORP, INC.
Brian F Doran
General Counsel
$25k
750 shares
-

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.

Brogan Ptacin sold $344k of BY | InsiderTell