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 and president Neil Michael McDonnell reported acquiring additional common shares through compensation-related transactions. On January 20, 2026, he acquired 302.5414 common shares at $49.58 per share, increasing his directly held position to 9,870.2812 shares. The filing explains that these shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors and that his holdings also include shares accumulated through quarterly dividend reinvestment.
The report also notes 42 common shares held indirectly, classified as owned by an immediate family member. This Form 4 documents routine equity accumulation tied to board service and compensation programs rather than a large discretionary market trade.
Isabella Bank Corp director Jill Bourland reported two small open-market-style share acquisitions of the company’s common stock. On January 16, 2026, she acquired 6 shares at $50.00 per share, bringing her holdings to 5,577.7979 shares afterward. On January 20, 2026, she acquired an additional 242.0331 shares at $49.58 per share, increasing her direct beneficial ownership to 5,819.831 shares.
According to the footnotes, the January 16 purchase was made through the optional cash investment component of Isabella Bank Corporation’s stockholder dividend reinvestment and employee stock purchase plan, and the January 20 shares were acquired using director fees under the company’s deferred compensation plan for directors.
Isabella Bank Corp Chief Financial Officer Gerald J. Ritzert filed a Form 3 reporting his beneficial ownership in the company’s stock as of 01/05/2026. The filing shows that he beneficially owns 0 shares of Isabella Bank Corp common stock, held directly.
This type of filing is an initial ownership report required for insiders such as officers and directors, providing transparency into their equity holdings in the company.
Isabella Bank Corp disclosed an insider stock transaction by a director. On December 9, 2025, the director disposed of 3,000 shares of common stock at $48.61 per share. Following this trade, the director beneficially owned 26,705.1544 shares of Isabella Bank Corp stock in direct ownership.
Isabella Bank Corporation announced that its Board of Directors has declared a fourth quarter cash dividend of $0.28 per common share. The dividend is scheduled to be paid on December 19, 2025 to shareholders who are on record as of December 17, 2025. This cash dividend provides direct cash returns to common shareholders based on the number of shares they own as of the record date.
Isabella Bank Corporation reported stronger results for the quarter ended September 30, 2025. Net income rose to
Total assets were
Isabella Bank Corporation furnished an update on its business by announcing it issued a press release with financial results for the quarter ended September 30, 2025. The disclosure was made in a Form 8-K under Item 2.02.
The press release is provided as Exhibit 99.1 and, consistent with General Instruction B.2, is furnished and not deemed filed. Isabella Bank’s common stock trades on Nasdaq under the symbol ISBA.
Isabella Bank Corp (ISBA) filed a Form 3 reporting a director’s initial beneficial ownership. The filing lists 0 common shares beneficially owned, held directly, as of 10/06/2025.
No derivative securities were reported. The form indicates it was filed by one reporting person.
Isabella Bank Corporation reported a board change, appointing Brian Tessin to the Boards of Isabella Bank Corporation and Isabella Bank effective October 6, 2025. He will serve as a director until the 2026 Annual Meeting of Shareholders.
The Board determined that Tessin qualifies as an independent director under applicable SEC rules. The company also issued a press release dated October 9, 2025 to publicly announce his appointment.
Isabella Bank Corporation updated and restated its bylaws effective immediately after Board approval, refining how shareholder meetings and governance matters are handled. The Amended Bylaws require annual shareholder meetings and limit business at those meetings to properly brought items, clarify who may call and how to conduct special meetings, and set procedures for proxy registration, proposal and nomination submissions, and director questionnaire disclosures. They permit meetings by remote electronic communications, align notice and other provisions with the Michigan Business Corporation Act, extend indemnification and advancement of expenses for directors and certain executive officers to the fullest extent permitted, and establish an exclusive forum for certain shareholder lawsuits. The description here is a summary and the full Amended Bylaws are filed as Exhibit 3.1.