Isabella Form 4 Filings

ISABELLA BANK CORP (ISBA) reported that director Jill Bourland acquired 10 common shares on September 1, 2026 through a grant, award, or other acquisition at a reported price of $38.55 per share. Following this award, she directly holds 5,909.2943 common shares of ISBA. No Rule 10b5-1 trading plan is reported for this transaction.

ISABELLA BANK CORP (ISBA) director Melinda Marie Coffin reported a grant or award of 31 shares of common stock on September 1, 2026, at a reported value of $38.55 per share. After this acquisition, she holds 5,644.0262 shares of ISBA common stock directly. No Rule 10b5-1 trading plan is reported.

ISABELLA BANK CORP (ISBA) reported that director Sarah R. Opperman received a grant or award of 46 shares of common stock on September 1, 2026, at a reported value of $38.55 per share. Following this acquisition, she directly holds 24,586.913 shares of ISBA common stock. No transactions are reported under a Rule 10b5-1 trading plan.

ISABELLA BANK CORP (ISBA) reported that director Vicki L. Rupp received a grant or award of 33 shares of common stock on September 1, 2026, at a reported value of $38.55 per share. Following this acquisition, she holds 9,896.4592 shares of ISBA common stock directly.

ISABELLA BANK CORP (ISBA) director Brian Roy Sackett received a grant or award of 24 shares of common stock on September 1, 2026. The shares were acquired at a price of $38.55 per share and are held as direct ownership, bringing his reported holdings to 4,226.4275 shares.

ISABELLA BANK CORP (ISBA) reported that President & CEO and director Jerome E. Schwind received a grant or award acquisition of 123 shares of common stock on September 1, 2026 at a reported value of $38.55 per share. Following this award, his directly held common stock position increased to 37,777.9343 shares. No Rule 10b5-1 trading plan is reported for this transaction.

ISABELLA BANK CORP (ISBA) reported that director Brian B. Tessin received a grant or award of 8 shares of common stock on September 1, 2026, at a reported value of $38.55 per share. Following this acquisition, he directly holds 1,070 common shares.

No Rule 10b5-1 trading plan is reported for this transaction.

ISABELLA BANK CORP (ISBA) reported that President and director Neil Michael McDonnell received a grant or award acquisition of 3 shares of common stock on September 1, 2026 at $38.55 per share, held directly. Following this award, his direct holdings total 12,239.1038 common shares.

The filing also reports an indirect holding of 42 common shares attributed to an immediate family member, reflecting shares beneficially owned through a related party rather than directly by McDonnell.

ISABELLA BANK CORP director Jill Bourland reported a purchase of company stock. On 2026-08-17, she bought 7.2133 shares of common stock in a purchase categorized as an open market or private transaction at $41.59 per share. After this transaction, her direct holdings total 5,899.2943 shares of ISBA common stock.

Isabella Bank Corp director Jill Bourland purchased 7.6785 shares of common stock on July 16, 2026 at $39.0700 per share in a transaction classified as a purchase in an open market or private transaction. Following this trade, she directly owns 5,892.0810 shares of Isabella Bank Corp common stock. The Rule 10b5-1 trading plan checkbox on the Form 4 was not selected.

ISABELLA BANK CORP director Jill Bourland reported an open-market purchase of common stock. She bought 7.2411 shares at a price of $41.4300 per share. After this transaction, her directly owned holdings increased to 5,876.8485 common shares, indicating a small incremental addition to her position.

McDonnell Neil Michael reported acquisition or exercise transactions in this Form 4 filing.

ISABELLA BANK CORP President and director Neil Michael McDonnell reported routine equity activity. He received a grant or award of 3 shares of common stock at $41.49 per share, increasing his direct holdings to 12,202.1715 shares. The filing also shows 42 shares of common stock held indirectly by an immediate family member.

ISABELLA BANK CORP director Jeffrey J. Barnes received a grant of 225 shares of common stock at a value of $41.49 per share. This compensation-related award increased his direct holdings to 42,527.2397 shares, representing a routine, non-market acquisition rather than an open-market purchase.

Schwind Jerome E reported acquisition or exercise transactions in this Form 4 filing.

ISABELLA BANK CORP President & CEO Jerome E. Schwind received a grant of 113 shares of common stock on June 1, 2026 at $41.49 per share. After this compensation-related award, he directly holds 37,629.0326 common shares.

Opperman Sarah R reported acquisition or exercise transactions in this Form 4 filing.

Isabella Bank Corp director Sarah R. Opperman received a stock award of 43 common shares on June 1, 2026, at $41.49 per share. This grant is compensation-related rather than an open-market purchase and increases her direct holdings to 24,514.4997 common shares.

ISABELLA BANK CORP director Brian Roy Sackett reported receiving 22 common shares as a grant or award. The shares were valued at $41.49 per share on the transaction date. After this non-derivative acquisition, he directly holds a total of 4,200.7689 common shares.

ISABELLA BANK CORP director Jill Bourland received a small stock grant. On June 1, 2026, she acquired 9.0000 shares of common stock as a grant, award, or other acquisition valued at $41.4900 per share. After this transaction, she directly holds 5869.6074 shares of the company.

Isabella Bank Corp director Vicki L. Rupp reported a stock grant. She acquired 30 shares of Isabella Bank common stock on June 1, 2026 as a grant, valued at $41.49 per share. After this award, she directly holds 9,854.1075 common shares in total.

Coffin Melinda Marie reported acquisition or exercise transactions in this Form 4 filing.

ISABELLA BANK CORP director Melinda Marie Coffin received a grant of 30 common shares at $41.49 per share. This was a compensation-related award, not an open-market purchase. After the grant, she directly holds about 5,610.8271 common shares in total.

Tessin Brian B reported acquisition or exercise transactions in this Form 4 filing.

ISABELLA BANK CORP director Brian B. Tessin received a grant of 7 shares of common stock at $41.49 per share. This compensation-related award increased his directly held position to 1,062 common shares, representing a small, routine change in his overall ownership.

Isabella Bank Corp director Jill Bourland bought a small number of Isabella Bank common shares in an open-market transaction. She purchased 7.3082 shares at a price of $41.05 per share. Following this trade, her direct ownership increased to a total of 5,860.6074 common shares.

ISABELLA BANK CORP director Jill Bourland made an open-market purchase of 6.135 common shares at $48.90 per share. After this transaction, she directly holds a total of 5,853.2993 common shares, indicating a small incremental increase in her personal investment.

ISABELLA BANK CORP director Jill Bourland bought additional common shares in the open market. She acquired 6.8135 shares at a price of $44.03 per share on this reported date, bringing her direct holdings to 5,840.493 common shares after the transaction.

ISABELLA BANK CORP’s Chief Credit Officer, Jon D. Catlin, reported an open-market purchase of 103 shares of the company’s common stock at a price of $31.47 per share. Following this transaction, his directly owned position increased to 1,285.4153 common shares.

ISABELLA BANK CORP Chief Lending Officer Michael Kyle Huenemann reported an open-market purchase of 61 shares of common stock at a price of $31.47 per share. After this transaction on March 2, 2026, his direct holdings increased to 1,097.0622 common shares.

Isabella Bank Corp President Neil Michael McDonnell reported acquiring additional common shares. On March 2, 2026, he received a grant of 2 shares of common stock at $48.54 per share and made an open-market purchase of 55 shares at $31.47 per share. After these direct transactions, he held 12,188.9588 common shares directly. He also reported indirect ownership of 42 shares held by an immediate family member.

ISABELLA BANK CORP President & CEO Jerome E. Schwind increased his direct ownership through both an award and a purchase. On March 2, 2026, he received a grant of 710 common shares at $48.54 per share and separately bought 396 common shares in the open market at $31.47 per share, bringing his direct holdings to about 37,493 shares.

Tessin Brian B reported acquisition or exercise transactions in this Form 4 filing.

Isabella Bank Corp director Brian B. Tessin reported receiving a grant of 826 shares of common stock on March 2, 2026 at a price of $48.54 per share. After this grant, he directly owns a total of 1,055 common shares of the company.

Sackett Brian Roy reported acquisition or exercise transactions in this Form 4 filing.

Isabella Bank Corp director Brian Roy Sackett received a grant of 18 shares of common stock on March 2, 2026. The award was recorded at a price of $48.54 per share and increased his directly held stake to 4,177.297 common shares.

Isabella Bank Corp director Sarah R. Opperman reported receiving a grant of common stock. On March 2, 2026, she acquired 36.0000 common shares as a grant or award at $48.54 per share. After this transaction, she directly owns 24,448.0602 common shares.

ISABELLA BANK CORP director Jae A. Evans received an equity award of 18 common shares. The grant was recorded at a price of $48.54 per share and is classified as a grant or award acquisition, not an open-market purchase. Following this award, Evans directly holds a total of 26,971.2488 common shares.

ISABELLA BANK CORP director reports stock award. Director Melinda Marie Coffin acquired 24 shares of Isabella Bank Corp common stock on March 2, 2026 through a grant or award at a price of $48.54 per share, bringing her directly held stake to 5,578.8758 shares.

ISABELLA BANK CORP director Jill Bourland received a small stock award. On the reported date, she acquired 8.0000 shares of common stock as a grant or award at $48.5400 per share. After this award, her direct holdings totaled 5,833.6795 common shares.

ISABELLA BANK CORP director receives stock award. Director Jeffrey J. Barnes acquired 1,030 shares of common stock on March 2, 2026 as a grant or award at $48.54 per share. Following this non-derivative award, he directly holds 42,288.151 common shares.

Rupp Vicki L reported acquisition or exercise transactions in this Form 4 filing.

ISABELLA BANK CORP director Vicki L. Rupp reported an equity award of 251 common shares on March 2, 2026, recorded at a price of $48.54 per share. After this grant, her directly held common stock position increased to 9,815.8088 shares, which includes shares accumulated through quarterly dividend reinvestment.

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 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.

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 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.