1 insider bought €519 of shares over the last 90 days, the latest filed 17 Sept 2026.
ISABELLA BANK Corp, classified in the Finance & Banking sector, is a listed company. Its insiders report their share dealings to SEC (Form 4). 13 insiders have disclosed 51 filings since 18 October 2025.
No insider sold shares on the market over the period. Instead, the filings list 16 purchases totalling €86k, made by 9 insiders. No amount is published for 1 filing, which the totals therefore leave out. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Coffin Melinda Marie filed the largest purchase, €19k, on 23 January 2026. The buyers include 8 senior executives and 1 chief executive.
Within a 30-day window, 10 purchases overlapped with buying by a second insider. Purchases made close together by different insiders form what is called a cluster. The clock since the last published purchase (17 September 2026) now reads 31 days. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction.
Compared with its exchange (5,808 companies, median 19 filings), a count of 51 filings is above the norm. The full history, which starts in 2016, counts 299 purchases against 3 sales. On the fundamentals side, the SEC filing (10-K) for the period ending 31 December 2025 lists net income at 18.9 m USD; the dividend was 1.12 USD per share.
In the same sector, recent insider purchases at First Guaranty Bancshares, Inc. and Avidia Bancorp, Inc. also feature in our signals. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
+8 other insiders
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Transparent value + quality ranking, distinct from the insider signal.
FY ended December 2025 · cache
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Isabella Bank Corp. (ticker: ISBA) is the holding company of Isabella Bank, a state-chartered community bank headquartered in Mt. Pleasant, Michigan, United States. Its common stock is listed on the Nasdaq Capital Market, which matters for investors looking at U.S. regional banking names with exchange-listed liquidity and visibility. The bank traces its roots back to 1903 and has built a more than 120-year franchise focused on Mid-Michigan. Over time, it has retained a community-bank model centered on local decision-making, customer relationships, and a relatively dense branch network of more than 30 locations across eight counties. That footprint gives Isabella Bank a clearly regional identity rather than a national or multi-state scale platform.
From a business perspective, Isabella Bank offers a broad set of retail and commercial banking solutions. Its core franchise includes deposits, checking and savings accounts, time deposits, residential mortgage lending, auto loans, and commercial lending. In addition, the company provides wealth management capabilities through Isabella Wealth, including investment services, trust administration, and estate planning. For equity investors, that mix is important because it creates multiple revenue streams: traditional net interest income from lending and deposits, plus fee-based income from wealth and trust services. The model is typical of a well-established community bank that aims to deepen customer relationships across households, small businesses, and local organizations.
Competitively, Isabella Bank is positioned as a relationship-driven local lender with strong geographic familiarity and a customer service pitch that larger banks often struggle to match at the branch level. Its competitive edge comes from local credit judgment, community presence, and the ability to tailor products to the needs of Mid-Michigan clients. In a fragmented regional banking market, that can support deposit stickiness and loan growth, especially when combined with conservative underwriting and a stable operating culture.
Recent corporate developments are notable. The company began trading on the Nasdaq Capital Market on May 12, 2025, after previously being quoted on OTCQX. More recently, management has highlighted loan and deposit growth, improvement in net interest margin, and continued strong credit quality in 2025 and 2026 earnings updates. The company has also emphasized initiatives to strengthen noninterest income and expand products and services to attract new customers while supporting its existing base. For investors, Isabella Bank Corp. represents a classic U.S. community bank story: long history, local deposit franchise, modest but steady growth, and exposure to the economic conditions of Michigan.
Purchases our model currently ranks for the recommendations list.
All recommendations| Fiscal year end | Revenue | Net income | Diluted EPS | Dividend per share | Filing |
|---|---|---|---|---|---|
| Dec 2025 | n.d. | 18.9 m USD | 2.56 USD | 1.12 USD | 10-K |
| Dec 2024 | n.d. | 13.9 m USD | 1.86 USD | 1.12 USD | 10-K |
| Dec 2023 | n.d. | 18.2 m USD | 2.40 USD | 1.12 USD | 10-K |
| Dec 2022 | n.d. | 22.2 m USD | 2.91 USD | 1.09 USD | 10-K |
| Dec 2021 | n.d. | 19.5 m USD | 2.45 USD | 1.08 USD | 10-K |
Amounts in USD, as filed (forms 10-K, 20-F or 40-F). Source: SEC EDGAR.