Isabella Bank Corp (ISBA) president adds to holdings with share purchases

Rhea-AI Filing Summary

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.

Insider Trade Summary

Net Buyer: 55 shares ($1,731)

Net Buy 3 txns

Insider McDonnell Neil Michael

Role President

Bought 55 shs ($2K)

Type	Security	Shares	Price	Value
Grant/Award	common	2	$48.54	$97.08
Purchase	common	55	$31.47	$2K
holding	common	--	--	--

Holdings After Transaction: common — 12,133.959 shares (Direct); common — 42 shares (Indirect, By immediate family member)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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)

401 N MAIN ST

(Street)

MOUNT 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
X	Officer (give title below)		Other (specify below)
	President

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		A		2	A	$48.54	12,133.9588	D
common	03/02/2026		P		55	A	$31.47	12,188.9588	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	03/04/2026
	** 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.

FAQ

What insider transactions did ISBA President Neil Michael McDonnell report?

Neil Michael McDonnell reported a grant of 2 Isabella Bank Corp common shares at $48.54 and an open-market purchase of 55 shares at $31.47. These transactions increased his direct ownership in the company’s stock.

How many ISBA shares did the Isabella Bank President buy on the open market?

He bought 55 Isabella Bank Corp common shares in an open-market transaction at a price of $31.47 per share. This purchase was reported as a direct ownership transaction on his Form 4 filing.

What was the size of the stock grant reported by ISBA’s President?

The President received a grant of 2 Isabella Bank Corp common shares at $48.54 per share. This grant was categorized as a grant, award, or other acquisition, and added to his directly owned share balance.

What is Neil Michael McDonnell’s total direct ownership of ISBA shares after these transactions?

Following the reported grant and open-market purchase, Neil Michael McDonnell directly owned 12,188.9588 Isabella Bank Corp common shares. This figure reflects his direct holdings after the March 2, 2026 transactions.

Does the ISBA President report any indirect ownership of company shares?

Yes. In addition to his direct holdings, Neil Michael McDonnell reported indirect ownership of 42 Isabella Bank Corp common shares. These indirectly held shares are owned by an immediate family member, as disclosed in the filing.

What transaction codes were used in the ISBA Form 4 filing?

The filing shows code A for a grant or award of 2 shares at $48.54 and code P for an open-market purchase of 55 shares at $31.47. An additional line reflects indirect holdings by an immediate family member.