First Business Financial (FBIZ) president gets 1,655-share grant, 665-share tax withholding

Rhea-AI Filing Summary

FIRST BUSINESS FINANCIAL SERVICES, INC. President and COO David R. Seiler reported two transactions in common stock. He received a grant or award of 1,655 shares on February 16, 2026 at a stated price of $0.00 per share, increasing his directly held stake. On the same date, 665 shares were disposed of in a tax-withholding transaction at $58.36 per share, leaving him with 34,504 directly owned shares after these movements. A related footnote states that 27,031 shares are held by the David & Lisa Seiler Revocable Trust.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Seiler David R.

Role President and COO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,655	$0.00	--
Tax Withholding	Common Stock	665	$58.36	$39K

Holdings After Transaction: Common Stock — 35,169 shares (Direct)

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^*

Seiler David R.

(Last) (First) (Middle)

401 CHARMANY DRIVE

(Street)

MADISON WI 53719

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FIRST BUSINESS FINANCIAL SERVICES, INC. [ FBIZ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and COO

3. Date of Earliest Transaction (Month/Day/Year)
02/16/2026

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 Stock	02/16/2026		A		1,655	A	$0	35,169	D
Common Stock	02/16/2026		F		665	D	$58.36	34,504(1)	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. 27,031 shares are held by the David & Lisa Seiler Revocable Trust.

	Peter J. Wilder (pursuant to Power of Attorney filed previously)	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.

FAQ

What insider transactions did FBIZ President David Seiler report?

David Seiler reported receiving 1,655 shares of First Business Financial Services common stock as a grant, and a separate 665-share tax-withholding disposition. Both transactions occurred on February 16, 2026, and involved directly held shares in the company.

How many FBIZ shares does David Seiler own after these Form 4 transactions?

After the reported grant and tax-withholding disposition, David Seiler directly owns 34,504 shares of First Business Financial Services common stock. In addition, a footnote indicates that 27,031 shares are held by the David & Lisa Seiler Revocable Trust.

Was the FBIZ insider transaction a stock purchase or a grant?

The primary insider transaction was a stock grant or award to David Seiler for 1,655 shares at a stated price of $0.00 per share. This reflects an acquisition through compensation rather than an open-market share purchase.

What does the 665-share FBIZ transaction for David Seiler represent?

The 665-share transaction is classified as a tax-withholding disposition, using code “F.” This means shares were delivered to cover exercise price or tax liability, rather than being sold as an ordinary open-market transaction by David Seiler.

How are trust-held FBIZ shares related to David Seiler’s holdings?

A filing footnote states that 27,031 shares of First Business Financial Services are held by the David & Lisa Seiler Revocable Trust. This indicates additional shares associated with Seiler beyond the directly owned 34,504 shares shown after the reported transactions.