Is First Interstate BancSystem (FIBK) Still Undervalued After Insider Selling?

First Interstate BancSystem, Inc.

First Interstate BancSystem, Inc.

FIBK

0.00

First Interstate BancSystem has delivered a 103.8% return over the past three years, and both the intrinsic value estimate from the Excess Returns model and the earnings multiples currently point to the stock trading at a discount to their fair value read, even though the broader valuation checks are more mixed.

  • A 103.8% three year return sets a high bar, so any perceived discount now matters for investors who care about both price and durability of that rerating.
  • Insider selling and recent management changes can weigh on sentiment, while expectations for steadier earnings and cash generation may support the current intrinsic value and multiple based discount signals.
  • First Interstate BancSystem screens as undervalued on several metrics, but with a mixed overall picture, as it passes only 3 of 6 valuation checks.

The issue now is whether the current share price still offers enough of a margin against the intrinsic value estimates to appeal to new investors after such a strong three year run.

Is First Interstate BancSystem a Bargain on Excess Returns?

The Excess Returns model for First Interstate BancSystem looks at how efficiently the bank is expected to earn above its cost of equity over time. For this stock, the inputs are relatively measured, with a stable EPS of $2.85 per share compared with a cost of equity of $2.54 per share and an excess return of $0.31 per share, all built on an average forecast return on equity of 7.97%. Book value is put at $34.47 per share, drifting to a stable book value of $35.77 per share based on analyst expectations.

Those assumptions translate into an intrinsic value estimate of about $44.44 per share, which implies the stock is 11.9% undervalued against the current share price. The recent sale of 15,000 shares by a large shareholder and the COO change help explain why the market might be hesitant even though the model points above the current price.

On this Excess Returns view, First Interstate BancSystem stock currently screens as undervalued relative to its projected earnings power and book value.

Our Excess Returns analysis suggests First Interstate BancSystem is undervalued by 11.9%. Track this in your watchlist or portfolio, or discover 43 more high quality undervalued stocks.

FIBK Discounted Cash Flow as at Jul 2026
FIBK Discounted Cash Flow as at Jul 2026

Is First Interstate BancSystem Still Cheap on Earnings?

The P/E ratio is a useful way to think about what you are paying today for each dollar of earnings that a bank like First Interstate BancSystem generates. Here, the stock trades on about 12.2x earnings, which is very close to the Banks industry average of 12.2x and a touch above the peer group at roughly 11.3x.

What stands out is that the modelled fair P/E for First Interstate BancSystem is higher, at about 16.1x, based on its specific profile rather than just the broad industry. That leaves a gap of a little under 4x between where the stock trades and where the tailored benchmark sits, suggesting the current price does not fully reflect the earnings implied by the earlier intrinsic value work.

On this P/E view, the stock appears undervalued relative to the earnings multiple it might warrant given its characteristics and sector.

NasdaqGS:FIBK P/E Ratio as at Jul 2026
NasdaqGS:FIBK P/E Ratio as at Jul 2026

The First Interstate BancSystem Narrative: What Would Justify Today's Price?

For First Interstate BancSystem, Simply Wall St Narratives pick up where the valuation puzzle leaves off. They spell out which future paths for growth, margins, and earnings would need to hold for the stock to be worth materially more or less than today's price. Each one treats fair value as a thesis about how the business might develop over time, rather than a single snapshot, so you can see how the story holds up as new information arrives on the Community page.

Community views on First Interstate BancSystem sit on very different sides of the fence, with one camp leaning toward resilience and the other focused on growth constraints.

Bull case: roughly fairly valued

"By shrinking its footprint, abandoning non-core lending lines, and prioritizing high-margin corporate deposits, the bank is transforming into a leaner, more capitalized institution..."

Bear case: 5% overvalued

"Declining loan balances, rising asset quality concerns, and overreliance on slow-growth core markets threaten revenue growth, diversification, and long-term competitiveness..."

Do you think there's more to the story for First Interstate BancSystem? Head over to our Community to see what others are saying!

The Bottom Line

For First Interstate BancSystem, both the intrinsic value estimate from the Excess Returns model and the earnings multiple view point to an undervalued stock, even though the broader valuation checks are mixed. That combination leaves the current discount looking real, but not without strings attached, given recent insider selling and leadership changes. From here, the key question is whether earnings and book value resilience prove strong enough for that discount to close, or whether the market is correctly pricing in the risk that profitability and growth constraints keep a lid on any further rerating.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.