Isabella Bank president granted 3 ISBA shares

ISBA’s president and director reported a small equity award and updated direct and indirect common stock holdings.

Rhea-AI Filing Summary

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.

Insider Trade Summary

Grant/Award: 3 shares

Grant/Award 2 txns

Insider McDonnell Neil Michael

Role President

Type	Security	Shares	Price	Value
Grant/Award	common	3	$38.55	$115.65
holding	common	--	--	--

Holdings After Transaction: common — 12,239.1038 shares (Direct); common — 42 shares (Indirect, By immediate family member)

Key Figures

Shares granted: 3 common shares Grant price per share: $38.55 per share Direct holdings after transaction: 12,239.1038 common shares +1 more

4 metrics

Shares granted 3 common shares Grant, award, or other acquisition on September 1, 2026

Grant price per share $38.55 per share Value assigned to the 3-share common stock award

Direct holdings after transaction 12,239.1038 common shares Direct ownership of Neil Michael McDonnell following the September 1, 2026 award

Indirect holdings 42 common shares Shares reported as held by immediate family member

Key Terms

grant, award, or other acquisition, direct ownership, indirect ownership, immediate family member

4 terms

grant, award, or other acquisition financial

"describes the September 1, 2026 event as a grant, award, or other acquisition"

direct ownership financial

"direct holdings total 12,239.1038 common shares under direct ownership"

indirect ownership financial

"an indirect holding of 42 common shares attributed to an immediate family member"

immediate family member financial

"nature of ownership is described as By immediate family member"

FAQ

What did ISBA President Neil Michael McDonnell report in this Form 4 for ISBA stock?

He reported a grant or award of 3 common shares of ISABELLA BANK CORP on September 1, 2026 at $38.55 per share, increasing his direct holdings to 12,239.1038 common shares.

How many ISBA shares does Neil Michael McDonnell now hold directly?

After the reported award, Neil Michael McDonnell holds 12,239.1038 common shares of ISABELLA BANK CORP directly, as of the September 1, 2026 transaction date disclosed.

What was the price per share for the ISBA stock awarded to Neil Michael McDonnell?

The 3 common shares of ISABELLA BANK CORP awarded to Neil Michael McDonnell on September 1, 2026 carried a reported value of $38.55 per share in the Form 4 filing.

Does Neil Michael McDonnell report any indirect ownership of ISBA shares?

Yes. The Form 4 reports an indirect holding of 42 common shares of ISABELLA BANK CORP, described as held “By immediate family member”, separate from his direct holdings.

Was the ISBA Form 4 transaction a market purchase or sale?

No market purchase or sale is reported. The Form 4 describes the September 1, 2026 event as a “Grant, award, or other acquisition” of 3 common shares, not an open-market trade.

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Available on EDGAR 09/03/2026 - 12:59 PM Accepted by SEC EDGAR 09/03/2026 - 12:58 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McDonnell Neil Michael

(Last) (First) (Middle)

139 E. BROADWAY

(Street)

MOUNT PLEASANT MICHIGAN 48858

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ISABELLA BANK CORP [ ISBA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
common	09/01/2026		A		3	A	$38.55	12,239.1038	D
common								42	I	By immediate family member

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ Jennifer L. Gill, By Power of Attorney	09/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)