Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 67 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 31, 2015 FIBK F 187 $29.61 $5,537 22,787 Direct -0.81% Disposed 20.3% (price as of 2026-10-05)
Dec. 31, 2015 FIBK D 113 · · 22,974 Direct -0.49% Disposed (price as of 2026-10-05)
Aug. 18, 2015 FIBK C 1,492 · · 0 Indirect -100.00% Disposed (price as of 2026-10-05)
Aug. 18, 2015 FIBK C 1,492 · · 1,492 Indirect · Acquired (price as of 2026-10-05)
Feb. 19, 2015 FIBK M 834 $17.22 $14,361 835 Direct -49.97% Disposed 106.9% (price as of 2026-10-05)
Feb. 19, 2015 FIBK M 1,070 $14.37 $15,376 0 Direct -100.00% Disposed 147.9% (price as of 2026-10-05)
Feb. 19, 2015 FIBK F 1,435 · · 23,087 Direct -5.85% Disposed (price as of 2026-10-05)
Feb. 19, 2015 FIBK M 834 $17.22 $14,361 24,522 Direct +3.52% Acquired 106.9% (price as of 2026-10-05)
Feb. 19, 2015 FIBK M 1,070 $14.37 $15,376 23,688 Direct +4.73% Acquired 147.9% (price as of 2026-10-05)
Feb. 17, 2015 FIBK F 120 $26.15 $3,138 22,618 Direct -0.53% Disposed 36.2% (price as of 2026-10-05)
Feb. 15, 2015 FIBK F 221 $26.15 $5,779 22,738 Direct -0.96% Disposed 36.2% (price as of 2026-10-05)
Feb. 15, 2015 FIBK A 2,556 · · 22,959 Direct +12.53% Acquired (price as of 2026-10-05)
Dec. 4, 2014 FIBK G 357 · · 20,403 Direct -1.72% Disposed (price as of 2026-10-05)
Feb. 19, 2014 FIBK F 6,045 · · 1,051 Direct -85.19% Disposed (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 6,800 $20.74 $141,032 7,096 Direct +2297.30% Acquired 71.7% (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 834 $17.22 $14,361 1,669 Direct -33.32% Disposed 106.9% (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 2,142 $14.37 $30,781 1,070 Direct -66.69% Disposed 147.9% (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 3,170 $14.20 $45,014 0 Direct -100.00% Disposed 150.8% (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 3,200 $20.87 $66,784 0 Direct -100.00% Disposed 70.7% (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 3,600 $20.62 $74,232 0 Direct -100.00% Disposed 72.7% (price as of 2026-10-05)
Feb. 19, 2014 FIBK F 4,525 · · 20,729 Direct -17.92% Disposed (price as of 2026-10-05)
Feb. 19, 2014 FIBK M 6,146 $14.67 $90,162 25,254 Direct +32.16% Acquired 142.8% (price as of 2026-10-05)
Feb. 17, 2014 FIBK F 100 $25.36 $2,536 19,139 Direct -0.52% Disposed 40.5% (price as of 2026-10-05)
Feb. 15, 2014 FIBK A 2,430 · · 19,239 Direct +14.46% Acquired (price as of 2026-10-05)
Feb. 15, 2014 FIBK F 54 $25.36 $1,369 16,809 Direct -0.32% Disposed 40.5% (price as of 2026-10-05)
Feb. 15, 2014 FIBK A 2,430 · · 19,228 Direct +14.47% Acquired (price as of 2026-10-05)
Feb. 15, 2014 FIBK F 65 $25.36 $1,648 16,798 Direct -0.39% Disposed 40.5% (price as of 2026-10-05)
Feb. 14, 2014 FIBK F 123 $25.26 $3,107 16,863 Direct -0.72% Disposed 41.0% (price as of 2026-10-05)
Feb. 14, 2014 FIBK F 123 $25.26 $3,107 16,863 Direct -0.72% Disposed 41.0% (price as of 2026-10-05)
Feb. 7, 2014 FIBK F 120 $25.36 $3,043 19,108 Direct -0.62% Disposed 40.5% (price as of 2026-10-05)
May 7, 2013 FIBK C 2,527 · · 296 Direct -89.51% Disposed (price as of 2026-10-05)
May 7, 2013 FIBK C 2,527 · · 16,986 Direct +17.48% Acquired (price as of 2026-10-05)
April 30, 2013 FIBK F 12,233 · · 2,823 Direct -81.25% Disposed (price as of 2026-10-05)
April 30, 2013 FIBK M 14,760 · · 15,056 Direct +4986.49% Acquired (price as of 2026-10-05)
April 30, 2013 FIBK M 4,000 $12.37 $49,480 0 Direct -100.00% Disposed 188.0% (price as of 2026-10-05)
April 30, 2013 FIBK M 4,000 $13.87 $55,480 0 Direct -100.00% Disposed 156.8% (price as of 2026-10-05)
April 30, 2013 FIBK M 3,600 $17.00 $61,200 0 Direct -100.00% Disposed 109.5% (price as of 2026-10-05)
April 30, 2013 FIBK M 2,080 $15.25 $31,720 0 Direct -100.00% Disposed 133.6% (price as of 2026-10-05)
April 30, 2013 FIBK M 1,080 $15.00 $16,200 0 Direct -100.00% Disposed 137.5% (price as of 2026-10-05)
Feb. 17, 2013 FIBK F 120 $17.53 $2,104 14,459 Direct -0.82% Disposed 103.2% (price as of 2026-10-05)
Feb. 15, 2013 FIBK A 2,503 $17.22 $43,102 2,503 Direct · Acquired 106.9% (price as of 2026-10-05)
Feb. 15, 2013 FIBK A 1,182 · · 14,579 Direct +8.82% Acquired (price as of 2026-10-05)
Feb. 14, 2013 FIBK F 123 $17.30 $2,128 13,397 Direct -0.91% Disposed 105.9% (price as of 2026-10-05)
Nov. 8, 2012 FIBK C 541 · · 296 Direct -64.64% Disposed (price as of 2026-10-05)
Nov. 8, 2012 FIBK F 3,459 · · 837 Direct -80.52% Disposed (price as of 2026-10-05)
Nov. 8, 2012 FIBK M 4,000 · · 4,296 Direct +1351.35% Acquired (price as of 2026-10-05)
Nov. 8, 2012 FIBK M 4,000 $11.25 $45,000 0 Direct -100.00% Disposed 216.6% (price as of 2026-10-05)
Nov. 8, 2012 FIBK C 541 · · 13,520 Direct +4.17% Acquired (price as of 2026-10-05)
Feb. 17, 2012 FIBK A 3,212 $14.37 $46,156 3,212 Direct · Acquired 147.9% (price as of 2026-10-05)
Feb. 17, 2012 FIBK A 933 · · 12,979 Direct +7.75% Acquired (price as of 2026-10-05)
Feb. 14, 2012 FIBK F 116 · · 12,046 Direct -0.95% Disposed (price as of 2026-10-05)
Nov. 22, 2011 FIBK C 158 · · 0 Direct -100.00% Disposed (price as of 2026-10-05)
Nov. 22, 2011 FIBK C 158 · · 12,162 Direct +1.32% Acquired (price as of 2026-10-05)
Nov. 22, 2011 FIBK F 3,842 · · 158 Direct -96.05% Disposed (price as of 2026-10-05)
Nov. 22, 2011 FIBK M 4,000 · · 4,000 Direct · Acquired (price as of 2026-10-05)
Nov. 22, 2011 FIBK M 4,000 $10.50 $42,000 0 Direct -100.00% Disposed 239.2% (price as of 2026-10-05)
Feb. 23, 2011 FIBK C 11,047 · · 296 Direct -97.39% Disposed (price as of 2026-10-05)
Feb. 23, 2011 FIBK C 11,047 · · 14,217 Direct +348.49% Acquired (price as of 2026-10-05)
Feb. 17, 2011 FIBK A 3,170 $14.20 $45,014 3,170 Direct · Acquired 150.8% (price as of 2026-10-05)
Feb. 17, 2011 FIBK A 957 · · 957 Direct · Acquired (price as of 2026-10-05)
Feb. 17, 2011 FIBK A 957 $14.20 $13,589 957 Direct · Acquired 150.8% (price as of 2026-10-05)
Feb. 17, 2011 FIBK A 3,170 · · 3,170 Direct · Acquired (price as of 2026-10-05)
Feb. 8, 2011 FIBK F 3,761 $13.62 $51,225 11,047 Direct -25.40% Disposed 161.5% (price as of 2026-10-05)
Feb. 8, 2011 FIBK M 4,400 $10.50 $46,200 14,660 Direct +42.88% Acquired 239.2% (price as of 2026-10-05)
Feb. 8, 2011 FIBK M 4,400 $10.50 $46,200 0 Direct -100.00% Disposed 239.2% (price as of 2026-10-05)
Feb. 7, 2011 FIBK J 148 · · 10,408 Direct +1.44% Acquired (price as of 2026-10-05)
Feb. 7, 2011 FIBK J 148 · · 296 Direct -33.33% Disposed (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 18, 2015 FIBK Class B Common Stock [F1] Class A Common Stock (1,492) $0.00 Dec. 31, 2029 1,492 Disposed
Feb. 19, 2015 FIBK Stock Options Class A Common Stock (834) $17.22 Feb. 15, 2023 834 Disposed
Feb. 19, 2015 FIBK Stock Options Class A Common Stock (1,070) $14.37 Feb. 17, 2022 1,070 Disposed
Feb. 19, 2014 FIBK Class B Common Stock [F3] Class A Common Stock (6,045) $0.00 Dec. 31, 2029 6,045 Disposed
Feb. 19, 2014 FIBK Class B Common Stock [F3] Class A Common Stock (6,800) $0.00 Dec. 31, 2029 6,800 Acquired
Feb. 19, 2014 FIBK Stock Options Class A Common Stock (834) $17.22 Feb. 15, 2020 834 Disposed
Feb. 19, 2014 FIBK Stock Options Class A Common Stock (2,142) $14.37 Feb. 17, 2022 2,142 Disposed
Feb. 19, 2014 FIBK Stock Options Class A Common Stock (3,170) $14.20 Feb. 14, 2021 3,170 Disposed
Feb. 19, 2014 FIBK Stock Options Class B Common Stock (3,200) $20.87 Feb. 15, 2018 3,200 Disposed
Feb. 19, 2014 FIBK Stock Options Class B Common Stock (3,600) $20.62 Jan. 25, 2017 3,600 Disposed
May 7, 2013 FIBK Class B Common Stock [F1] Class A Common Stock (2,527) $0.00 Dec. 31, 2029 2,527 Disposed
April 30, 2013 FIBK Class B Common Stock [F1] Class A Common Stock (12,233) $0.00 Dec. 31, 2029 12,233 Disposed
April 30, 2013 FIBK Class B Common Stock [F1] Class A Common Stock (14,760) $0.00 Dec. 31, 2029 14,760 Acquired
April 30, 2013 FIBK Stock Options Class B Common Stock (4,000) $12.37 Feb. 6, 2014 4,000 Disposed
April 30, 2013 FIBK Stock Options Class B Common Stock (4,000) $13.87 Feb. 3, 2015 4,000 Disposed
April 30, 2013 FIBK Stock Options Class B Common Stock (3,600) $17.00 Jan. 26, 2016 3,600 Disposed
April 30, 2013 FIBK Stock Options Class B Common Stock (2,080) $15.25 May 15, 2019 2,080 Disposed
April 30, 2013 FIBK Stock Options Class B Common Stock (1,080) $15.00 Feb. 12, 2020 1,080 Disposed
Feb. 15, 2013 FIBK Stock Options Class A Common Stock (2,503) $17.22 Feb. 15, 2020 2,503 Acquired
Nov. 8, 2012 FIBK Class B Common Stock [F1] Class A Common Stock (541) $0.00 Dec. 31, 2029 541 Disposed
Nov. 8, 2012 FIBK Class B Common Stock [F1] Class A Common Stock (3,459) $0.00 Dec. 31, 2029 3,459 Disposed
Nov. 8, 2012 FIBK Class B Common Stock [F1] Class A Common Stock (4,000) $0.00 Dec. 31, 2029 4,000 Acquired
Nov. 8, 2012 FIBK Stock Options Class B Common Stock (4,000) $11.25 Jan. 26, 2013 4,000 Disposed
Feb. 17, 2012 FIBK Stock Options Class A Common Stock (3,212) $14.37 Feb. 17, 2022 3,212 Acquired
Nov. 22, 2011 FIBK Class B Common Stock [F1] Class A Common Stock (158) $0.00 Dec. 31, 2029 158 Disposed
Nov. 22, 2011 FIBK Class B Common Stock [F1] Class A Common Stock (3,842) $0.00 Dec. 31, 2029 3,842 Disposed
Nov. 22, 2011 FIBK Class B Common Stock [F1] Class A Common Stock (4,000) $0.00 Dec. 31, 2029 4,000 Acquired
Nov. 22, 2011 FIBK Stock Options Class B Common Stock (4,000) $10.50 Feb. 1, 2012 4,000 Disposed
Feb. 23, 2011 FIBK Class B Common Stock [F1] Class B Common Stock (11,047) $0.00 Dec. 31, 2029 11,047 Disposed
Feb. 17, 2011 FIBK Stock Options Class A Common Stock (3,170) $14.20 Feb. 14, 2021 3,170 Acquired
Feb. 17, 2011 FIBK Stock Options Class A Common Stock (957) $14.20 Feb. 14, 2021 957 Acquired
Feb. 8, 2011 FIBK Class B Common Stock Class A Common Stock (3,761) · Dec. 31, 2029 3,761 Disposed
Feb. 8, 2011 FIBK Class B Common Stock Class A Common Stock (4,400) · Dec. 31, 2029 4,400 Acquired
Feb. 8, 2011 FIBK Stock Options Class B Common Stock (4,400) $10.50 March 16, 2011 4,400 Disposed
Feb. 7, 2011 FIBK Class B Common Stock [F2] Class A Common Stock (148) $0.00 Dec. 31, 2029 148 Acquired
Feb. 7, 2011 FIBK Class B Common Stock - Unvested Class A Common Stock (148) · Dec. 31, 2029 148 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 14 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 7, 2010 FIBK Class A Common Stock 5,248 Indirect
Sept. 7, 2010 FIBK Class A Common Stock 1,108 Indirect
Sept. 7, 2010 FIBK Class B Common Stock→ Class A Common Stock [F1] (10,260) 10,260 Direct
Sept. 7, 2010 FIBK Class B Common Stock - Unvested [F2]→ Class B Common Stock (444) 444 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (4,000) 4,000 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (4,400) 4,400 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (4,000) 4,000 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (4,000) 4,000 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (4,000) 4,000 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (3,600) 3,600 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (3,600) 3,600 Direct
Sept. 7, 2010 FIBK Stock Options [F3]→ Class B Common Stock (3,200) 3,200 Direct
Sept. 7, 2010 FIBK Stock Options [F4]→ Class B Common Stock (2,080) 2,080 Direct
Sept. 7, 2010 FIBK Stock Options [F4]→ Class B Common Stock (1,080) 1,080 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2011 $162,954 $26,000 · · · · $14,467 $230,609

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.