NIC

SEC source: 0001174850-25-000081 · form4.xml · nonDerivative · entry 1

Anderson Marcia M · CIK 0001731849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 403.821

F1 · shares: Ms. Anderson acquired 3.898 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring a portion of her third quarter 2025 earned board fees.

F2 · balance_after: Includes 0.957 share received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000080 · form4.xml · nonDerivative · entry 1

Dykema John Nicholas · CIK 0001664500 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 9,605.735

F1 · shares: Mr. Dykema acquired 54.577 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 22.862 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000079 · form4.xml · nonDerivative · entry 1

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 537.886

F1 · shares: Mr. Atwell acquired 15.593 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 1.25 fractional shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000078 · form4.xml · nonDerivative · entry 1

JOHNSON BRENDA L · CIK 0001942061 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan for Non-employee Directors

Disclosed balance after: 887.54

F1 · shares: Ms. Johnson acquired 31.187 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring her third quarter 2025 earned board fees.

F2 · balance_after: Includes 2.05 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000077 · form4.xml · nonDerivative · entry 1

COLON HECTOR · CIK 0001873825 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan for Non-employee Directors

Disclosed balance after: 1,041.713

F1 · shares: Mr. Colon acquired 7.797 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 2.475 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000075 · form4.xml · nonDerivative · entry 1

Ghidorzi Christopher J. · CIK 0001487072 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 3,360.427

F1 · shares: Mr. Ghidorzi acquired 17.543 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring a portion of his third quarter 2025 earned board fees.

F2 · balance_after: Includes 8.001 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000073 · form4.xml · nonDerivative · entry 1

LONG DONALD J JR · CIK 0001243725 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 5,569.693

F1 · shares: Mr. Long acquired 74.069 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 13.155 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000065 · form4.xml · nonDerivative · entry 1

WEYERS ROBERT J · CIK 0001243734 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 9,727.673

F1 · shares: Mr. Weyers acquired 35.085 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 23.201 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-26-000037 · form4.xml · nonDerivative · entry 1

HETZEL ANDREW F JR · CIK 0001243718 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 1,958.096

F1 · shares: Mr. Hetzel acquired 7.797 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his third quarter 2025 earned board fees.

F2 · balance_after: Includes 4.668 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on September 15, 2025.

SEC source: 0001174850-25-000050 · form4.xml · nonDerivative · entry 1

DANIELS MICHAEL E · CIK 0001243706 · Director · Chairman, President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,525

F1 · shares: Per the terms of Mr. Daniels employment extension to continue his leadership through year end 2030, Nicolet Bankshares, Inc. Board of Directors approved an award of 30,000 restricted shares to Mr. Daniels dated September 8, 2025. The 30,000 restricted shares will cliff vest upon five years of continued service through December 31, 2030.

F2 · balance_after: Includes an additional 71 shares acquired under the Employee Stock Purchase Plan since Mr. Daniels last Form 4 filing dated November 21, 2024. Mr. Daniels owns a total of 1,016 shares in the Employee Stock Purchase Plan as of the date of this report.

SEC source: 0001174850-25-000045 · form4.xml · derivative · entry 5

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 5,000 shares

Expires 2029-11-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The nonqualified stock option fully vested as of November 18, 2024, and is currently exercisable as to all remaining 10,000 shares.

SEC source: 0001174850-25-000045 · form4.xml · nonDerivative · entry 3

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,901

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.30 to $139.64, inclusive. The reporting person undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes shares acquired under the Employee Stock Purchase Plan. Mr. Witczak has not acquired additional shares under the Employee Stock Purchase Plan since his last Form 4 filing on August 27, 2025. Mr. Witczak owns a total of 1,042 shares in the Employee Stock Purchase Plan as of the date of this report.

SEC source: 0001174850-25-000045 · form4.xml · nonDerivative · entry 2

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,489

SEC source: 0001174850-25-000045 · form4.xml · nonDerivative · entry 1

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,901

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001174850-25-000043 · form4.xml · derivative · entry 5

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 5,000 shares

Expires 2029-11-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The nonqualified stock option fully vested as of November 18, 2024, and is currently exercisable as to all remaining 15,000 shares.

SEC source: 0001174850-25-000043 · form4.xml · nonDerivative · entry 3

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,901

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.540 to $137.250, inclusive. Mr. Witczak undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes shares acquired under the Employee Stock Purchase Plan. Mr. Witczak has not acquired additional shares under the Employee Stock Purchase Plan since his last Form 4 filing on July 22, 2025. Mr. Witczak owns a total of 1,042 shares in the Employee Stock Purchase Plan as of the date of this report.

SEC source: 0001174850-25-000043 · form4.xml · nonDerivative · entry 2

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,465

SEC source: 0001174850-25-000043 · form4.xml · nonDerivative · entry 1

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,901

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-25-019475 · form4.xml · derivative · entry 7

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 20,000 shares

Expires 2027-05-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The nonqualified options fully vested as of May 16, 2022. The non-qualified options are exercisable as to 15,000 shares as of the date of this report.

SEC source: 0001127602-25-019475 · form4.xml · nonDerivative · entry 5

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,220

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.309 to $141.249, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (3) to this Form 4.

SEC source: 0001127602-25-019475 · form4.xml · nonDerivative · entry 4

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,273

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.277 to $140.260, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001127602-25-019475 · form4.xml · nonDerivative · entry 3

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,790

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $138.240 to $139.217, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares at each separate price within the range set forth in footnote (1) to this Form 4.

SEC source: 0001127602-25-019475 · form4.xml · nonDerivative · entry 2

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,124

SEC source: 0001127602-25-019475 · form4.xml · nonDerivative · entry 1

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-25-019473 · form4.xml · derivative · entry 4

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 5,000 shares

Expires 2029-11-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The nonqualified stock option fully vested as of November 18, 2024, and is currently exercisable as to all remaining 20,000 shares.

SEC source: 0001127602-25-019473 · form4.xml · nonDerivative · entry 2

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,901

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $139.50 to $140.04, inclusive. Mr. Witczak undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · balance_after: Includes 71 additional shares acquired under the Employee Stock Purchase Plan since Mr. Witczak's last Form 4 filing on November 21, 2024. Mr. Witczak owns a total of 1,042 shares in the Employee Stock Purchase Plan as of the date of this report.

SEC source: 0001127602-25-019473 · form4.xml · nonDerivative · entry 1

Witczak Eric James · CIK 0001667436 · EVP & Secretary

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,901

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-25-019367 · form4.xml · nonDerivative · entry 1

COLON HECTOR · CIK 0001873825 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan for Non-employee Directors

Disclosed balance after: 1,031.441

F1 · shares: Mr. Colon acquired 164.569 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 2.375 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019365 · form4.xml · nonDerivative · entry 1

Ghidorzi Christopher J. · CIK 0001487072 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 3,334.883

F1 · shares: Mr. Ghidorzi acquired 119.508 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring a portion of his second quarter 2025 earned board fees and a portion of his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 8.808 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019359 · form4.xml · nonDerivative · entry 1

McClone Dustin James · CIK 0001702968 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan for Non-employee Directors

Disclosed balance after: 1,838.035

F1 · shares: Mr. McClone acquired 164.569 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 4.584 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019355 · form4.xml · nonDerivative · entry 1

WEYERS ROBERT J · CIK 0001243734 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 9,669.387

F1 · shares: Mr. Weyers acquired 172.405 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 26.015 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019341 · form4.xml · nonDerivative · entry 1

HETZEL ANDREW F JR · CIK 0001243718 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 1,945.631

F1 · shares: Mr. Hetzel acquired 191.997 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 4.804 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019331 · form4.xml · nonDerivative · entry 1

LONG DONALD J JR · CIK 0001243725 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 5,482.469

F1 · shares: Mr. Long acquired 203.752 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 14.460 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019325 · form4.xml · nonDerivative · entry 1

JOHNSON BRENDA L · CIK 0001942061 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan for Non-employee Directors

Disclosed balance after: 854.303

F1 · shares: Ms. Johnson acquired 172.405 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring her second quarter 2025 earned board fees and her annual Nicolet Board cash retainer.

F2 · balance_after: Includes 1.868 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019318 · form4.xml · nonDerivative · entry 1

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 521.043

F1 · shares: Mr. Atwell acquired 180.242 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 0.933 fractional shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019309 · form4.xml · nonDerivative · entry 1

Anderson Marcia M · CIK 0001731849 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · by Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 398.966

F1 · shares: Ms. Anderson acquired 86.203 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring a portion of her second quarter 2025 earned board fees and a portion of her annual Nicolet Board cash retainer.

F2 · balance_after: Includes 0.857 share received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-019308 · form4.xml · nonDerivative · entry 1

Dykema John Nicholas · CIK 0001664500 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Nicolet National Bank Deferred Compensation Plan For Non-employee Directors

Disclosed balance after: 9,528.296

F1 · shares: Mr. Dykema acquired 242.935 shares in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors by deferring his second quarter 2025 earned board fees and deferring his annual Nicolet Board cash retainer.

F2 · balance_after: Includes 25.435 shares received as dividend reinvestment in the Nicolet National Bank Deferred Compensation Plan for Non-employee Directors from Nicolet Bankshares, Inc. paid cash dividend on June 13, 2025.

SEC source: 0001127602-25-017177 · form4.xml · nonDerivative · entry 1

MOORE HUBERT PHILLIP JR · CIK 0001866582 · CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,663

F1 · shares: Shares withheld to satisfy tax obligation of vested restricted stock.

F2 · balance_after: Includes 50 shares acquired under the Employee Stock Purchase Plan, since my previous Form 4 filing dated November 21, 2024. I own a total of 395 shares in the Employee Stock Purchase Plan as of the date of this report.

SEC source: 0001127602-25-017175 · form4.xml · derivative · entry 5

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Common Stock · 10,000 shares

Expires 2027-05-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The nonqualified options fully vested as of May 16, 2022. The non-qualified options are exercisable as to 35,000 shares as of the date of this report.

SEC source: 0001127602-25-017175 · form4.xml · nonDerivative · entry 3

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,220

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.00 to $118.91, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares at each separate price within the range set forth in footnote (1) to this Form 4.

SEC source: 0001127602-25-017175 · form4.xml · nonDerivative · entry 2

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,346

SEC source: 0001127602-25-017175 · form4.xml · nonDerivative · entry 1

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-25-016301 · form4.xml · derivative · entry 6

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 10,000 shares

Expires 2027-05-16

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The nonqualified options fully vested as of May 16, 2022. The non-qualified options are exercisable as to 45,000 shares as of the date of this report.

SEC source: 0001127602-25-016301 · form4.xml · nonDerivative · entry 4

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,220

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $123.790 to $124.015, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001127602-25-016301 · form4.xml · nonDerivative · entry 3

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,162

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $122.775 to $123.770, inclusive. Mr. Atwell undertakes to provide to Nicolet Bankshares, Inc., any security holder of Nicolet Bankshares, Inc., or the staff of the Securities and Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001127602-25-016301 · form4.xml · nonDerivative · entry 2

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,428

SEC source: 0001127602-25-016301 · form4.xml · nonDerivative · entry 1

ATWELL ROBERT BRUCE · CIK 0001253903 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,220

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001127602-25-015236 · form4.xml · nonDerivative · entry 1

LONG DONALD J JR · CIK 0001243725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,684

F1 · shares: The Company paid Mr. Long the Board annual retainer, granted as a restricted stock award with an immediate full vest of 404 shares, as of May 20, 2025.

SEC source: 0001127602-25-015234 · form4.xml · nonDerivative · entry 1

JOHNSON BRENDA L · CIK 0001942061 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 671,893

F1 · shares: The Company paid Ms. Johnson the Board annual retainer, granted as a restricted stock award with an immediate full vest of 404 shares, as of May 20, 2025.

SEC source: 0001127602-25-015232 · form4.xml · nonDerivative · entry 1

HETZEL ANDREW F JR · CIK 0001243718 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,622

F1 · shares: The Company paid Mr. Hetzel the Board annual retainer, granted as a restricted stock award with an immediate full vest of 404 shares, as of May 20, 2025.