Associated Banc-Corp's second quarter of 2026 is the first to fully reflect the American National Corporation acquisition that closed on April 1, and the print carries the structural fingerprint of a bank that has just absorbed a $5.2 billion-asset target while its organic engine is still running. Net income of $124 million translated to $0.63 per diluted share, down from $0.70 in the first quarter because of $24 million of nonrecurring acquisition costs; strip those out and the adjusted figure is $0.73 per share. The deeper observation is not the GAAP-to-adjusted bridge but what the underlying earnings power looks like once the integration costs roll off: the net interest margin expanded 14 basis points sequentially to 3.17 percent, and that expansion came from a cost-of-funds tailwind, not just from adding higher-yielding acquired loans. The average cost of interest-bearing liabilities fell to 2.66 percent, down 36 basis points year-over-year, as the deposit mix shifted toward cheaper noninterest-bearing and savings balances. We read this as the single most important data point in the print, because it means the accretion from American National is not just a balance-sheet event but a margin event that compounds over the next several quarters as acquired deposits reprice into ASB's funding stack.
The asymmetry the equity is offering sits in the gap between the GAAP earnings optics and the run-rate earning power. On a TTM basis, the stock trades at roughly 11 times earnings and 1.1 times book value, which is a regional bank multiple that prices in slow growth and static margins. But ASB is guiding to 18 to 20 percent loan growth, 19 to 21 percent net interest income growth, and a margin trajectory that has already inflected upward. The CET1 capital ratio of 10.47 percent is the binding constraint: it is only 47 basis points above the 10.00 percent well-capitalized threshold and well below the 11.5 to 12.0 percent range where most peers are sitting. That thin cushion is why the buyback was effectively paused in the second quarter, with only $0.7 million of tax-withholding repurchases against $213.9 million of remaining authorization. The market is pricing ASB as a slow-growth Midwest bank trading near book, when the actual setup is a temporarily capital-constrained franchise where the capital ratio rebuild determines when the buyback resumes and when the multiple can re-rate.
The load-bearing risk is credit migration inside the acquired American National book. Nonperforming assets jumped 29 percent sequentially to $185 million, driven almost entirely by a $24 million increase in nonaccrual commercial and industrial loans and the addition of acquired CRE exposure. Net charge-offs of $28.5 million annualized to 0.26 percent, which is modest in absolute terms but nearly double the prior quarter. The allowance for credit losses on loans built $69 million in the quarter, most of it on Day 1 purchase accounting marks on the acquired book. The falsifiable clock is the third quarter print in October: if nonaccruals stabilize and the efficiency ratio compresses toward the 54 percent adjusted level as acquisition costs roll off, the run-rate EPS power becomes visible and the multiple re-rates. If nonaccruals keep climbing, the CET1 cushion gets thinner, the buyback stays paused longer, and the stock remains range-bound at book.