Welcome to our dedicated page for Isabella SEC filings (Ticker: ISBA), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Isabella Bank Corporation (NASDAQ: ISBA) files a range of documents with the U.S. Securities and Exchange Commission that provide detailed information about its community banking operations and corporate governance. As the parent holding company of Isabella Bank, a state-chartered community bank headquartered in Mt. Pleasant, Michigan, these filings are a primary source for understanding the company’s financial condition and regulatory disclosures.
On this page, you can review current reports on Form 8-K, where Isabella Bank Corporation reports material events. Recent 8-K filings have covered quarterly financial results, including earnings press releases that discuss net income, net interest income, noninterest income, loan and deposit trends, and credit quality indicators. Other 8-Ks disclose Board actions such as the declaration of quarterly cash dividends, changes to executive officers, director appointments and resignations, and amendments to the corporation’s bylaws.
In addition to 8-Ks, investors typically look to annual reports on Form 10-K and quarterly reports on Form 10-Q for comprehensive financial statements, management’s discussion and analysis, segment information, and risk factor disclosures. For a commercial banking organization like Isabella Bank Corporation, these filings are important for understanding loan portfolio composition, deposit mix, noninterest income sources, and credit loss allowances.
This SEC filings page also provides access to exhibits referenced in current reports, such as press releases and amended bylaws. Users interested in governance matters can review bylaw amendments that address shareholder meetings, proxy procedures, director nominations, indemnification, and other corporate provisions.
Stock Titan enhances access to Isabella Bank Corporation filings by offering AI-powered summaries that explain key points in plain language. Instead of reading full-length documents, you can use these summaries to quickly identify major developments, track dividend declarations, follow governance changes, and monitor the company’s reported financial performance over time.
ISABELLA BANK CORP director Jill Bourland reported an open-market purchase of 5.8485 common shares at $51.295 per share, increasing her direct ownership to 5,825.6795 common shares.
Isabella Bank Corporation reported stronger results for 2025, with net income rising to $18.9 million, or $2.56 per diluted share, up from $13.9 million, or $1.86 per share in 2024. Fourth quarter net income was $4.7 million, or $0.64 per diluted share, compared to $4.0 million, or $0.54.
Total assets reached $2.2 billion at December 31, 2025, driven by $112.8 million growth in loans and higher bank-owned life insurance and securities balances. Loans excluding advances to mortgage brokers increased $99 million, or 7%, while total deposits grew $73 million, or 4%.
Profitability improved as the net interest margin expanded to 3.16% for 2025 from 2.90% in 2024 and noninterest income increased to $16.0 million from $14.6 million. Credit quality remained solid, with nonperforming loans at 0.30% of total loans and net loan charge-offs representing (0.10)% of average loans for the year.
ISABELLA BANK CORP director Jeffrey J. Barnes reported a Form 4 transaction involving 200 common shares. The transaction, dated 01/28/2026 and coded "G," was priced at $0 per share. After this activity, Barnes beneficially owned 41,258.151 common shares, including shares acquired through quarterly dividend reinvestment.
Isabella Bank Corp president and director Neil Michael McDonnell reported an insider stock acquisition. On January 28, 2026, he acquired 2,225.5193 shares of Isabella Bank common stock at $0 per share, increasing his direct holdings to 12,095.8005 shares. He also reports indirect beneficial ownership of 42 shares held by an immediate family member.
Isabella Bank Corporation President and CEO Jerome E. Schwind reported acquiring 3,899.9576 shares of Isabella Bank common stock on 01/28/2026. The shares were credited at a price of $0 per share, reflecting stock received through the company’s quarterly dividend reinvestment program.
Following this transaction, Schwind directly beneficially owns 36,387.0473 shares of Isabella Bank common stock. The filing classifies this as a direct ownership position and does not list any derivative securities activity.
Isabella Bank Corporation director Sarah R. Opperman acquired additional common stock through compensation arrangements. On 01/20/2026, she obtained 277.3296 shares of Isabella Bank Corporation common stock at $49.58 per share, coded as a purchase. These shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors. After this transaction, she beneficially owned 24,412.0602 common shares held directly, a figure that also includes shares accumulated through quarterly dividend reinvestment.
Isabella Bank Corp director Brian Roy Sackett increased his ownership through a Form 4-reported transaction. On 01/20/2026 he acquired 403.3885 shares of Isabella Bank common stock at a price of $49.58 per share, coded as a purchase.
According to the footnotes, these shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors, and his holdings also include shares accumulated through quarterly dividend reinvestment. After this transaction, Sackett beneficially owned a total of 4,159.297 common shares in direct ownership form.
Isabella Bank Corporation director Evans Jae A reported acquiring additional common shares through a routine compensation-related transaction. On January 20, 2026, the director acquired 201 shares of common stock at a price of $49.58 per share, coded as a purchase under the company’s deferred compensation plan for directors. After this transaction, the director beneficially owned 26,953.2488 common shares, held directly. The total includes shares accumulated over time through quarterly dividend reinvestment, reflecting ongoing participation in the issuer’s equity and dividend programs.
Isabella Bank Corporation director David Brian Behen reported acquiring additional common shares through a compensation-related transaction. On January 20, 2026, he acquired 242.0331 shares of common stock at a price of $49.58 per share, coded as an open-market or similar purchase (transaction code P) tied to director compensation.
According to the footnotes, these shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors, and his holdings also include shares accumulated through quarterly dividend reinvestment. Following this transaction, Behen directly beneficially owned 610.9958 common shares of Isabella Bank Corporation.
Isabella Bank Corporation director Melinda Marie Coffin acquired 443.7273 shares of common stock on January 20, 2026. The shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors at a price of $49.58 per share. Following this transaction, she beneficially owned 5,554.8758 common shares, held in direct ownership, which includes shares previously acquired through quarterly dividend reinvestment.