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sellModerate cluster of 2

John M Heyneman Jr sold $357k of FIBK

director, owner at FIRST INTERSTATE BANCSYSTEM INC. 11,818 shares at an average of $30.19, traded Aug 14, 2025, filed Aug 18, 2025.

Warning score
58
Value
$357k
11,818 shares
Holdings after
5,224
-69% from before
From 52-week low
+33%
low $21.90, close $29.06
From 52-week high
-9%
high $32.09, as of Aug 14, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $357k at market
    +15
  • Share of holdings sold
    Sold 69% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8

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 +7.0%, 3m -0.7%, 6m +27.5%.

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.

FIBKOct 12, 2026 · close 34.79
Since filing Aug 18, 2025: +20.8%SPY +22.6% · excess -1.8%

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 0000860413-25-000125, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 14, 2025SOpen-market sale
Common Stock
-11,818$30.19$357k5,224Aug 18, 2025

Related signals

Other insiders at FIRST INTERSTATE BANCSYSTEM INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
30Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Julie A Scott
owner
$102k
2,700 shares
-1%
40Moderate
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$627k
16,929 shares
-2%
34Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$301k
8,071 shares
-1%
28Weak
FIBKsell
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$403k
10,000 shares
-1%
39Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Julie A Scott
owner
$540k
15,000 shares
-3%
31Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$163k
4,500 shares
-1%
35Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$339k
9,390 shares
-1%
37Weak
FIBKsell 2
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$459k
12,892 shares
-1%
37Weak
FIBKsell
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$1.9M
53,504 shares
-6%
22Weak
FIBKsell
FIRST INTERSTATE BANCSYSTEM INC
Jonathan R Scott
owner
$100k
3,000 shares
-0%

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.

John M Heyneman Jr sold $357k of FIBK | InsiderTell