Bank First (BFC) CFO reports bona fide gift of 1,785 common shares

Rhea-AI Filing Summary

Bank First Corp Chief Financial Officer Kevin M. LeMahieu reported a bona fide gift of 1,785 shares of Common Stock on April 9, 2026, at a value of $142.61 per share. Following this gift transfer, he directly owns 22,021 Bank First Corp shares, including shares held in the Bank First Retirement Plan.

Insider Trade Summary

1,785 shares gifted

Mixed 1 txn

Insider LeMahieu Kevin M.

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Gift	Common Stock	1,785	$142.61	$255K

Holdings After Transaction: Common Stock — 22,021 shares (Direct)

Footnotes (1)

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Key Figures

Shares gifted: 1,785 shares Reported share value: $142.61 per share Shares held after transaction: 22,021 shares

3 metrics

Shares gifted 1,785 shares Bona fide gift of Common Stock on April 9, 2026

Reported share value $142.61 per share Value per share for the 1,785-share gift

Shares held after transaction 22,021 shares Direct holdings after the gift, including retirement plan shares

Key Terms

Bona fide gift, Common Stock, Bank First Retirement Plan

3 terms

Bona fide gift financial

"The transaction code G is described as a bona fide gift."

Common Stock financial

"The reported security title for this transaction is 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.

Bank First Retirement Plan financial

"Post-transaction holdings include shares held in Bank First Retirement Plan."

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^*

LeMahieu Kevin M.

(Last) (First) (Middle)

402 NORTH 8TH STREET

(Street)

MANITOWOC WISCONSIN 54220

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Bank First Corp [ BFC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/09/2026

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	04/09/2026		G		1,785	D	$142.61	22,021(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. Includes shares held in Bank First Retirement Plan.

	/s/ Kelly Dvorak, attorney-in-fact	04/10/2026
	** 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 Bank First Corp (BFC) disclose in this Form 4?

Bank First Corp reported that CFO Kevin M. LeMahieu made a bona fide gift of 1,785 shares of Common Stock. The transaction was recorded on April 9, 2026, and is categorized as a non-derivative gift transfer rather than an open-market sale.

How many Bank First Corp (BFC) shares did the CFO gift and at what value?

Kevin M. LeMahieu gifted 1,785 shares of Bank First Corp Common Stock valued at $142.61 per share. This value reflects the price per share reported for the transaction in the Form 4, giving investors a sense of the scale of the transfer.

How many Bank First Corp (BFC) shares does the CFO hold after the reported gift?

After the reported bona fide gift, Kevin M. LeMahieu directly holds 22,021 Bank First Corp Common Stock shares. The filing notes this post-transaction amount, which includes shares held for him in the Bank First Retirement Plan.

Is the Bank First Corp (BFC) CFO’s transaction a sale or a gift?

The transaction is reported as a bona fide gift, not an open-market sale. The Form 4 classifies it with transaction code “G” and describes the action as a gift transfer, which is treated as a disposition rather than a purchase or sale in the market.

Does the Bank First Corp (BFC) Form 4 involve any derivative securities?

No, the reported transaction involves only non-derivative Common Stock. The derivative securities section shows no derivative transactions, indicating this filing reflects a straightforward stock gift rather than option exercises or other derivative activity.