Isabella Bank director acquires 403 ISBA shares

Isabella Bank Corp director Brian Roy Sackett increased his ownership through a Form 4-reported transaction.

Rhea-AI Filing Summary

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.

Insider Trade Summary

Net Buyer: 403.3885 shares

Net Buy 1 txn

Insider Sackett Brian Roy

Role Director

Bought 403.3885 shs ($20K)

Type	Security	Shares	Price	Value
Purchase	common	403.3885	$49.58	$20K

Holdings After Transaction: common — 4,159.297 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 does Isabella Bank Corp (ISBA)'s latest Form 4 disclose?

The Form 4 shows that director Brian Roy Sackett acquired 403.3885 shares of Isabella Bank Corp common stock on 01/20/2026 at $49.58 per share, increasing his directly owned stake to 4,159.297 shares.

How many Isabella Bank Corp (ISBA) shares did the director acquire and at what price?

Director Brian Roy Sackett acquired 403.3885 common shares of Isabella Bank Corp at a price of $49.58 per share on 01/20/2026.

What is Brian Roy Sackett's total Isabella Bank Corp (ISBA) share ownership after the reported transaction?

Following the 01/20/2026 transaction, Brian Roy Sackett beneficially owns 4,159.297 Isabella Bank Corp common shares, held as direct ownership.

How were the newly acquired Isabella Bank Corp (ISBA) shares obtained by the director?

The footnotes state that the shares were acquired with director fees under the Isabella Bank Corporation And Related Companies Deferred Compensation Plan For Directors.

Do Isabella Bank Corp (ISBA) director holdings include dividend reinvestment shares?

Yes. A footnote explains that the reported total of 4,159.297 common shares includes shares acquired through quarterly dividend reinvestment.

Is the Isabella Bank Corp (ISBA) Form 4 transaction direct or indirect ownership?

The Form 4 identifies the holdings as direct ownership (coded D) by director Brian Roy Sackett, with no indirect ownership entity specified.

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

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Accepted by SEC EDGAR 01/23/2026 - 12:16 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^*

Sackett Brian Roy

(Last) (First) (Middle)

6402 80TH AVENUE

(Street)

MECOSTA MI 49332

(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)		403.3885	A	$49.58	4,159.297(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.