FBIZ (FBIZ) accounting officer uses 54 shares for tax withholding

Rhea-AI Filing Summary

FIRST BUSINESS FINANCIAL SERVICES, INC. Chief Accounting Officer Kevin D. Crampton reported a tax-withholding disposition of 54 shares of Common Stock at $53.81 per share. These shares were delivered to cover tax obligations, not sold on the open market. After this transaction, he directly holds 2,347 shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Crampton Kevin D

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	54	$53.81	$3K

Holdings After Transaction: Common Stock — 2,347 shares (Direct, null)

Footnotes (1)

Key Figures

Tax-withheld shares: 54 shares Price per share: $53.81 per share Post-transaction holdings: 2,347 shares

3 metrics

Tax-withheld shares 54 shares Common Stock delivered for tax obligations

Price per share $53.81 per share Value used for tax-withholding disposition

Post-transaction holdings 2,347 shares Common Stock held directly after disposition

Key Terms

tax-withholding disposition, Payment of exercise price or tax liability by delivering securities, Common Stock

3 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Payment of exercise price or tax liability by delivering securities financial

"transaction_code_description: "Payment of exercise price or tax liability by delivering securities""

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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^*

Crampton Kevin D

(Last) (First) (Middle)

401 CHARMANY DRIVE

(Street)

MADISON WISCONSIN 53719

(City) (State) (Zip)

UNITED STATES

(Country)

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)
	Chief Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/16/2026

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 Stock	05/16/2026		F		54	D	$53.81	2,347	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:

	Peter J. Wilder (Pursuant to Power of Attorney filed previously)	05/19/2026
	** 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 FBIZ Chief Accounting Officer Kevin Crampton report?

Kevin D. Crampton reported a tax-withholding disposition of 54 Common Stock shares. The shares were delivered at $53.81 each to cover tax obligations, rather than sold in an open-market transaction, and he now directly holds 2,347 shares.

Was the FBIZ insider transaction by Kevin Crampton an open-market sale?

No, the transaction was a tax-withholding disposition, not an open-market sale. Shares were delivered to pay tax liabilities, classified under code F, meaning the company withheld shares rather than Crampton actively selling them in the market.

How many FBIZ shares were involved in Kevin Crampton’s Form 4 filing?

The filing shows 54 Common Stock shares were used in a tax-withholding disposition. They were valued at $53.81 per share for tax purposes, and following the transaction, Crampton directly owns 2,347 Common Stock shares of FIRST BUSINESS FINANCIAL SERVICES, INC.

How many FBIZ shares does Kevin Crampton hold after this insider transaction?

After the tax-withholding disposition, Kevin D. Crampton directly holds 2,347 Common Stock shares. This figure reflects his position immediately following the 54-share tax-withholding transaction reported on the Form 4 for FIRST BUSINESS FINANCIAL SERVICES, INC.

What does transaction code F mean in Kevin Crampton’s FBIZ Form 4?

Transaction code F indicates payment of an exercise price or tax liability by delivering securities. In this case, 54 Common Stock shares at $53.81 each were used to satisfy tax obligations, rather than being sold on the open market for cash proceeds.