Bank First (BFC) CFO receives 2,316-share stock award

Rhea-AI Filing Summary

LeMahieu Kevin M. reported acquisition or exercise transactions in this Form 4 filing.

Bank First Corp Chief Financial Officer Kevin M. LeMahieu received a compensation-related grant of 2,316 shares of common stock on March 6, 2026 at an indicated value of $135.23 per share. After this award, he directly owns 23,806 shares, including shares held in the Bank First Retirement Plan.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider LeMahieu Kevin M.

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,316	$135.23	$313K

Holdings After Transaction: Common Stock — 23,806 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^*

LeMahieu Kevin M.

(Last) (First) (Middle)

402 NORTH 8TH STREET

(Street)

MANITOWOC WI 54220

(City) (State) (Zip)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		A		2,316	A	$135.23	23,806(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	03/10/2026
	** 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.

FAQ

What insider transaction did Bank First Corp (BFC) report for its CFO?

Bank First Corp reported that CFO Kevin M. LeMahieu received a grant of 2,316 shares of common stock. The award was recorded at $135.23 per share as a compensation-related acquisition rather than an open-market stock purchase.

Was the Bank First Corp (BFC) CFO’s Form 4 transaction a stock purchase or a grant?

The transaction for Bank First Corp’s CFO was a stock grant, coded “A” for grant, award, or other acquisition. This indicates a compensation-related award of 2,316 shares, not an open-market purchase by the executive.

How many Bank First Corp (BFC) shares does the CFO hold after this Form 4?

After the reported grant, CFO Kevin M. LeMahieu holds 23,806 shares of Bank First Corp common stock directly. This total includes shares held in the Bank First Retirement Plan, as disclosed in the filing’s footnote.

What price per share was used for the Bank First Corp (BFC) CFO’s stock grant?

The grant to Bank First Corp’s CFO was reported using a price of $135.23 per share. This figure reflects the value assigned for reporting purposes and is not necessarily an open-market trade price.

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

The Form 4 for Bank First Corp’s CFO only reports a non-derivative stock grant of common shares. The derivative summary section is empty, indicating no options, warrants, or other derivative securities were reported in this filing.

How is indirect ownership disclosed in the Bank First Corp (BFC) CFO’s filing?

The filing notes that the CFO’s total includes shares held in the Bank First Retirement Plan. However, the transaction itself is marked as direct ownership, and there is no indication of separate indirect entities controlling the reported shares.