Isabella Bank director acquires 443.7273 shares

Isabella Bank Corporation director Melinda Marie Coffin acquired 443.7273 shares of common stock on January 20, 2026.

Rhea-AI Filing Summary

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.

Insider Trade Summary

Net Buyer: 443.7273 shares

Net Buy 1 txn

Insider Coffin Melinda Marie

Role Director

Bought 443.7273 shs ($22K)

Type	Security	Shares	Price	Value
Purchase	common	443.7273	$49.58	$22K

Holdings After Transaction: common — 5,554.8758 shares (Direct)

Footnotes (2)

1. F1. Shares acquired with director fees pursuant to the Isabella Bank Corporation And Related Companies Deferred Compensation Plan For Directors.
2. F2. Includes shares acquired through quarterly dividend reinvestment.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ISBA report for director Melinda Marie Coffin?

The filing reports that director Melinda Marie Coffin acquired 443.7273 shares of Isabella Bank Corporation common stock on January 20, 2026.

At what price were the ISBA shares acquired in this Form 4 filing?

The 443.7273 Isabella Bank Corporation common shares were acquired at a price of $49.58 per share.

How many ISBA shares does the director own after the January 20, 2026 transaction?

After the transaction, Melinda Marie Coffin beneficially owned 5,554.8758 Isabella Bank Corporation common shares in direct ownership.

How were the ISBA shares acquired according to the Form 4 footnotes?

According to the footnotes, the shares were acquired with director fees under the Isabella Bank Corporation and Related Companies Deferred Compensation Plan for Directors.

Does the director’s ISBA share balance include dividend reinvestment?

Yes. The filing notes that the reported ownership includes shares acquired through quarterly dividend reinvestment.

Is the ISBA Form 4 transaction reported as direct or indirect ownership?

The Form 4 shows the post-transaction holding of 5,554.8758 shares as direct (D) ownership.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/23/2026 - 12:07 PM EST 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^*

Coffin Melinda Marie

(Last) (First) (Middle)

253 S LEATON RD.

(Street)

MT. PLEASANT MI 48858

(City) (State) (Zip)

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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/20/2026

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

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

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

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	01/20/2026		P(1)		443.7273	A	$49.58	5,554.8758(2)	D

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:

1. Shares acquired with director fees pursuant to the Isabella Bank Corporation And Related Companies Deferred Compensation Plan For Directors.

2. Includes shares acquired through quarterly dividend reinvestment.

Remarks:

	/s/ Jennifer L. Gill, By Power of Attorney	01/23/2026
	** 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.