Isabella Bank director adds common stock stake

ISABELLA BANK CORP director Jill Bourland reported an open-market purchase of 5.8485 common shares at $51.295 per share, increasing her direct ownership to 5,825.6795 common shares.

Rhea-AI Filing Summary

ISABELLA BANK CORP director Jill Bourland reported an open-market purchase of 5.8485 common shares at $51.295 per share, increasing her direct ownership to 5,825.6795 common shares.

Insider Trade Summary

Net Buyer: 5.8485 shares

Net Buy 1 txn

Insider Bourland Jill

Role Director

Bought 5.8485 shs ($300.00)

Type	Security	Shares	Price	Value
Purchase	common	5.8485	$51.295	$300.00

Holdings After Transaction: common — 5,825.6795 shares (Direct)

FAQ

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

What insider transaction did ISBA director Jill Bourland report?

ISBA director Jill Bourland reported an open-market purchase of 5.8485 common shares. She paid $51.295 per share, and after this transaction her direct ownership increased to a total of 5,825.6795 common shares in Isabella Bank Corp.

How many Isabella Bank Corp (ISBA) shares did the director buy?

The director bought 5.8485 ISBA common shares in a single reported transaction. This relatively small open-market purchase modestly increased her direct holdings, which now stand at 5,825.6795 common shares following the transaction reported on the Form 4.

At what price were the ISBA shares purchased in the insider trade?

The ISBA shares were purchased at $51.295 per share in an open-market transaction. This price applies to the entire 5.8485-share purchase that director Jill Bourland reported, reflecting the cost basis for this specific Form 4 transaction.

What is Jill Bourland’s total direct ISBA share ownership after the trade?

After the trade, Jill Bourland directly owns 5,825.6795 ISBA common shares. This total includes the newly acquired 5.8485 shares purchased at $51.295 per share, as disclosed in the Form 4 insider transaction report for Isabella Bank Corp.

Was the ISBA insider transaction a purchase or a sale?

The ISBA insider transaction was a purchase, not a sale. Director Jill Bourland executed an open-market buy of 5.8485 common shares at $51.295 each, increasing rather than reducing her direct ownership position in Isabella Bank Corp.

What type of security did the ISBA director acquire in this Form 4?

The ISBA director acquired common stock in this Form 4 transaction. Specifically, Jill Bourland bought 5.8485 shares of Isabella Bank Corp common stock in an open-market purchase at a price of $51.295 per share, increasing her directly held stake.

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

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Accepted by SEC EDGAR 02/18/2026 - 12:57 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^*

Bourland Jill

(Last) (First) (Middle)

619 S. MISSION 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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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	02/17/2026		P		5.8485	A	$51.295	5,825.6795	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	02/18/2026
	** 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.