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FIBK — structural market context

First Interstate BancSystem, I

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 23. Each line shows the earlier value, the later value and their dates.

Price

Close $36.78 (Oct 23) vs $36.88 (Oct 22): −0.27%.

Volume

1.40× its 20-session average (1.1M) on Oct 23.

Includes pre- and post-market trading.

Short interest

Short interest 8.6M shares (settlement Sep 30) vs 9.9M (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Fails-to-deliver

Latest file (settlements Sep 15–Sep 30, published Oct 16): 3 days with fails, largest 80K shares on Sep 30.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 2 days with fails, largest 9K shares on Sep 3.

No new publication in this window.

Insider filings (Form 4)

1 Form 4 filing recorded, with 1 transaction: 0 purchase transactions (code P, $0), 1 sale transaction (code S, $185K).

Filed Oct 23. Form 4 data arrives about a day after filing.

FIBK events and their magnitude

Latest SEC filing in the event study

Form 4 · sale · filed 2026-10-23 · View on sec.gov ↗

…

Open the Event Study →

FIBK short interest & days to cover

SHARES SHORT
8.6M
% OF FLOAT
10.7%
DAYS TO COVER
5.8
CHANGE VS PRIOR
-12.7%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (24d ago)

FIBK fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 24d80K$36
2026-09-29 · 25d16K$36.33
2026-09-21 · 33d328$37.35

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

FIBK insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 0 purchases · 4 sales

InsiderTypeSharesValueFiled
Scott Jonathan R · 10 percent ownerSale (S)5K$185K2026-10-23
SCOTT JULIE A · 10 percent ownerSale (S)3K$102K2026-09-16
Scott Jonathan R · 10 percent ownerSale (S)17K$627K2026-09-14
Scott Jonathan R · 10 percent ownerSale (S)8K$301K2026-09-14

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

Frequently asked questions

What is FIBK's short interest?
As of the FINRA settlement date 2026-09-30, FIBK had 8.6M shares sold short — 10.7% of its float, with 5.8 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying FIBK?
In the last 12 months of SEC Form 4 filings, FIBK recorded 0 insider purchases and 4 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
Is this page telling me to buy or sell FIBK?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
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FIBK: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.