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TTM Q1 '26TTM Q4 '25TTM Q3 '25TTM Q2 '25TTM Q1 '25
$821.1M-0.5%$825.4M-0.9%$833.3M+0.2%$832M+0.7%$826.5M+0.6%
$807.6M+1.1%$798.6M+2.4%$779.9M+2.8%$758.8M+2.0%$744M-1.3%
$232.5M-0.4%$233.4M+34.3%$173.8M-1.5%$176.5M-0.8%$178M-0.1%
$1.15B-2.7%$1.18B-3.3%$1.22B-2.9%$1.25B-2.1%$1.28B-1.6%
$289.3M-3.5%$299.8M-3.0%$309M-2.3%$316.3M-1.7%$321.9M-1.2%
$274.5M0.0%$274.6M+2.3%$268.3M-1.7%$273M-0.5%$274.3M+1.3%
$54.5M-0.5%$54.8M+3.0%$53.2M+2.7%$51.8M+3.4%$50.1M+2.9%
$23.1M-2.5%$23.7M+3.9%$22.8M+9.1%$20.9M+3.0%$20.3M-6.0%
$13.5M-0.7%$13.6M-1.4%$13.8M-1.4%$14M-2.1%$14.3M-2.1%
$13.5M-49.6%$26.8M-49.8%$53.4M-27.0%$73.2M-11.3%$82.5M+21.7%
$104.1M-1.8%$106M+0.8%$105.2M+2.6%$102.5M+1.8%$100.7M+0.5%
$637.3M-0.5%$640.3M+0.9%$634.5M-0.2%$636M-0.3%$637.8M+0.1%
$324.9M-7.9%$352.6M-8.5%$385.3M-8.8%$422.6M-7.0%$454.6M-5.5%
$899.9M-3.8%$935.6M-3.9%$973.2M-2.5%$998.3M-1.4%$1.01B-1.0%
$402.8M+2.8%$391.7M+22.7%$319.2M+6.6%$299.3M+5.3%$284.2M-3.5%
$90.7M+1.2%$89.6M+21.4%$73.8M+5.7%$69.8M+5.1%$66.4M-3.1%
$312.1M+3.3%$302.1M+23.1%$245.4M+6.9%$229.5M+5.4%$217.8M-3.6%
$3.06+4.1%$2.94+24.1%$2.37+6.8%$2.22+5.2%$2.11-3.7%
$3.07+4.1%$2.95+24.5%$2.37+6.8%$2.22+5.2%$2.11-3.7%
$13.5M-0.7%$13.6M-1.4%$13.8M-1.4%$14M-2.1%$14.3M-2.1%
$26.9M-7.2%$29M+36.2%
$20.8M+1.0%$20.6M-1.0%$20.8M+0.5%$20.7M0.0%$20.7M0.0%
$12.9M-10.4%$14.4M-14.3%$16.8M-8.2%$18.3M-12.4%$20.9M-12.9%
$5.7M-1.7%$5.8M-6.5%$6.2M-3.1%$6.4M+1.6%$6.3M-4.5%
-$6.7M+20.2%-$8.4M-282%-$2.2M-247%$1.5M+25.0%$1.2M-58.6%
-$68.7M+38.4%-$111.5M-83.4%-$60.8M+37.4%-$97.1M-46.5%-$66.3M-7,467%
-$6.7M+53.1%-$14.3M+33.8%-$21.6M
-$12.8M-146%
-$26.7M+63.4%-$73M-113%-$34.2M+38.2%-$55.3M-151%-$22M-195%
$59.2M+3.0%$57.5M+2.0%$56.4M+0.5%$56.1M-1.2%$56.8M+1.1%
$1.15B-2.7%$1.18B-3.3%$1.22B-2.9%$1.25B-2.1%$1.28B-1.6%
$899.9M-3.8%$935.6M-3.9%$973.2M-2.5%$998.3M-1.4%$1.01B-1.0%
$289.3M-3.5%$299.8M-3.0%$309M-2.3%$316.3M-1.7%$321.9M-1.2%
$10.8M-3.6%$11.2M-5.1%$11.8M-3.3%$12.2M-3.2%$12.6M-3.8%
$11.6M+8.4%$10.7M+10.3%$9.7M+29.3%$7.5M-18.5%$9.2M-22.0%
$8.7M-66.8%$26.2M-47.8%$50.2M-38.6%$81.8M-22.3%$105.3M-14.7%
$4.5M-4.3%$4.7M+2.2%$4.6M-4.2%$4.8M-14.3%$5.6M-16.4%
$34.2M+4.6%$32.7M+12.0%$29.2M+13.6%$25.7M+5.3%$24.4M+9.9%
$807.6M+1.1%$798.6M+2.4%$779.9M+2.8%$758.8M+2.0%$744M-1.3%
$821.1M-0.5%$825.4M-0.9%$833.3M+0.2%$832M+0.7%$826.5M+0.6%
-$1.61B+27.0%-$2.2B+16.1%-$2.63B+12.1%-$2.99B-34.0%-$2.23B-20.2%
$1.84B-26.0%$2.49B-18.4%$3.04B+9.2%$2.79B+35.3%$2.06B+17.2%
$282.1M-7.7%$305.6M-8.4%$333.5M+0.5%$331.7M-4.1%$345.9M-2.6%
$637.3M-0.5%$640.3M+0.9%$634.5M-0.2%$636M-0.3%$637.8M+0.1%
$5.7M-23.0%$7.4M-14.9%$8.7M-14.7%$10.2M-10.5%$11.4M-3.4%
$75.8M+1.6%$74.6M-2.6%$76.6M-1.9%$78.1M+1.3%$77.1M+0.9%
-$1.1M-320%$500K-16.7%$600K0.0%$600K-76.9%$2.6M-36.6%
$8.6M-2.3%$8.8M-2.2%$9M-1.1%$9.1M0.0%$9.1M+1.1%
$66.4M-2.2%$67.9M-2.4%$69.6M-2.7%$71.5M-1.1%$72.3M-1.8%
$66.3M-0.6%$66.7M-17.5%$80.8M-6.2%$86.1M-5.0%$90.6M-39.4%
$206.4M+69.3%$121.9M
$192M-1.2%$194.3M-0.5%$195.2M0.0%$195.2M+0.1%$195.1M-0.4%
-$51.9M-17.2%-$44.3M+38.5%-$72M+69.0%-$232.5M+12.7%-$266.2M-2.9%
$1.25B-9.8%$1.39B-7.4%$1.5B+31.4%$1.14B+1.8%$1.12B+21.4%
$350.4M+0.2%$349.7M+4.4%$335.1M+44.1%$232.6M+7.1%$217.1M-58.6%
$63M-6.8%$67.6M-19.1%$83.6M-3.0%$86.2M-8.6%$94.3M-37.3%
$112.7M+0.1%$112.6M+12.4%$100.2M
$26.9M-0.4%$27M-0.7%$27.2M+1.5%$26.8M+1.9%$26.3M+2.3%
$11.7M-12.0%$13.3M+5.6%$12.6M-2.3%$12.9M+0.8%$12.8M+8.5%
$40.6M+1.1%$40.15M+1.1%$39.7M+1.1%$39.25M+1.2%

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Where does First Interstate BancSystem, Inc.'s income statement data come from?
Every line is extracted from First Interstate BancSystem, Inc.'s SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.