FIBK · ISSUER CIK 860413
FIRST INTERSTATE BANCSYSTEM INC
Between Aug 1, 2026 and Oct 29, 2026, 5 FIRST INTERSTATE BANCSYSTEM INC insiders reported $0.00 of open-market purchases and $1.4M of sales on SEC Form 4.
↗5 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 5 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$1.4MInsider selling
−$1.4MNet open-market
Oct 26, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 26, 202615:45 | Oct 26, 2026from Oct 23, 2026 | FIBK | 10% Owner · +5 joint | S · Sell | $37.26 | −5,000 | 807,738 | -1% | −$186K | ||
| Oct 23, 202613:43 | Oct 22, 2026 | FIBK | 10% Owner · +5 joint | S · Sell | $36.90 | −5,000 | 812,738 | -1% | −$185K | ||
| Oct 6, 202612:43 | Oct 5, 2026 | FIBK | 10% Owner · +1 joint | G · Gift | — | −6,990 | 2,038,296 | -0% | — | ||
| Sep 22, 202618:21 | Sep 10, 2026 | FIBK | Chief Banking Officer | F · TaxLate 12d | $36.88 | −222 | 13,018 | -2% | $8K | ||
| Sep 16, 202619:04 | Sep 16, 2026 | FIBK | 10% Owner · +4 joint | S · Sell | $37.64 | −2,700 | 484,309 | -1% | −$102K | ||
| Sep 16, 202613:16 | Sep 14, 2026 | FIBK | Chief Operations Officer | A · Grant | — | +5,417 | 5,417 | New | — | ||
| Sep 14, 202619:21 | Sep 14, 2026 | FIBK | 10% Owner · +5 joint | S · Sell | $37.29 | −8,071 | 817,738 | -1% | −$301K | ||
| Sep 14, 202613:31 | Sep 11, 2026 | FIBK | 10% Owner · +5 joint | S · Sell | $37.03 | −16,929 | 825,809 | -2% | −$627K |