Isabella Bank (ISBA) director receives 30-share equity grant in Form 4 filing

Rhea-AI Filing Summary

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.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Coffin Melinda Marie

Role null

Type	Security	Shares	Price	Value
Grant/Award	common	30	$41.49	$1K

Holdings After Transaction: common — 5,610.827 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 30 common shares Grant value per share: $41.49 per share Total shares after transaction: 5,610.8271 common shares

3 metrics

Shares granted 30 common shares Non-derivative award on June 1, 2026

Grant value per share $41.49 per share Recorded price for compensation grant

Total shares after transaction 5,610.8271 common shares Director’s direct holdings following the grant

Key Terms

Form 4, non-derivative, grant, award, or other acquisition, direct ownership

4 terms

Form 4 regulatory

"reported in the latest Form 4 insider filing"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

non-derivative financial

"It only shows a non-derivative acquisition of 30 common shares"

grant, award, or other acquisition financial

"shows Melinda Marie Coffin received a grant or award of 30 common shares"

direct ownership financial

"bringing her direct holdings to about 5,611 shares"

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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^*

Coffin Melinda Marie

(Last) (First) (Middle)

253 S LEATON RD.

(Street)

MT. 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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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	06/01/2026		A		30	A	$41.49	5,610.8271	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:

Remarks:

	/s/ Jennifer L. Gill, By Power of Attorney	06/03/2026
	** 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)

FAQ

What insider transaction did ISBA director Melinda Marie Coffin report?

Director Melinda Marie Coffin reported receiving a grant of 30 ISABELLA BANK CORP common shares. The shares were awarded as compensation, rather than bought on the open market, and are recorded as a non-derivative acquisition under a Form 4 insider filing.

At what price were Melinda Marie Coffin’s ISBA shares recorded in the grant?

The 30 common shares granted to Melinda Marie Coffin were recorded at $41.49 per share. This reflects the value used for the compensation award and disclosure, rather than a separate open-market trade price set by a public transaction.

How many ISBA shares does Melinda Marie Coffin hold after this Form 4 transaction?

Following the 30-share grant, Melinda Marie Coffin directly holds 5,610.8271 ISABELLA BANK CORP common shares. This figure represents her total direct ownership position reported in the Form 4 after the compensation-related award was added to her existing holdings.

Was Melinda Marie Coffin’s ISBA Form 4 transaction a market purchase or a grant?

The Form 4 shows Melinda Marie Coffin received a grant or award of 30 common shares, coded as an acquisition. It is classified as compensation-related, not an open-market purchase, meaning she did not buy the shares in a regular stock market transaction.

Does Melinda Marie Coffin’s ISBA Form 4 include any stock option exercises?

The Form 4 does not report any derivative or stock option exercises. It only shows a non-derivative acquisition of 30 common shares as a grant, with no remaining derivative positions listed in the derivative summary section of the insider filing.