FIBK

FIRST INTERSTATE BANCSYSTEM INC

NasdaqFinancialsState Commercial Banks

Insider activity for last month from 08/14 to 09/14. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 14, 2026Most recent Form 4
Total buying$00 buys
Total selling$62.6M1 sells
Net open-market-$62.6M6 insiders
Open-market mix
Buy vs sell distribution by transaction count
1 transactions
0 buys0%·100%1 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep 2026 sells: 1 transactions · $62.6M1Sep

Transaction codes

By Form 4 transaction code in selected period
1transactions
  • S · Open-market sells · dominant1 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
1transactions
  • 10% owner · dominant1 · 100%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (6)
Aug 2026Sep 2026
6distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Scott Jonathan RCommon Stock · Indirect · See Footnote
825.8k825.8kSep 11, 2026 · 825,809 shares owned afterSep 11, 2026Sep 11, 2026
825,809Sep 11, 2026
Harrison William Scott TrustCommon Stock · Indirect · See Footnote
825.8k825.8kSep 11, 2026 · 825,809 shares owned afterSep 11, 2026Sep 11, 2026
825,809Sep 11, 2026
Harper Grace Scott TrustCommon Stock · Indirect · See Footnote
825.8k825.8kSep 11, 2026 · 825,809 shares owned afterSep 11, 2026Sep 11, 2026
825,809Sep 11, 2026
Holland Elizabeth Scott TrustCommon Stock · Indirect · See Footnote
825.8k825.8kSep 11, 2026 · 825,809 shares owned afterSep 11, 2026Sep 11, 2026
825,809Sep 11, 2026
IXL Ltd Liability CoCommon Stock · Indirect · See Footnote
825.8k825.8kSep 11, 2026 · 825,809 shares owned afterSep 11, 2026Sep 11, 2026
825,809Sep 11, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 14Sep 14
LessMore
Top insiders
By absolute net value across the selected period
1 insiders
  • SR
    Scott Jonathan R10% · rank 1 · 0 buys · 1 sells
    -$626.9klast 09/14/undefined
Recent filing activity
Most recent 1 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$62.6M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

No filing-only signal badges matched this period.

FIBK transaction history

Filters apply within this company and selected period by default
Reset

Latest insider transactions

Form 4 filings from last month. Click any column to sort; click it again to flip the order.

Newest company filings

FIRST INTERSTATE BANCSYSTEM INC Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at FIRST INTERSTATE BANCSYSTEM INC?

Harper Grace Scott Trust, Harrison William Scott Trust, Holland Elizabeth Scott Trust, IXL Ltd Liability Co, Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, Scott Jonathan R.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Scott Jonathan R reported a sale on Sep 11, 2026 valued at $62.6M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $626,880.87. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.