GULIS STEPHEN L JR

SEC source: 0001015788-26-000004 · wk-form4_1790955806.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,585.05

Underlying: Common Stock · 466.39 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001015788-26-000003 · wk-form4_1783004560.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 64,118.66

Underlying: Common Stock · 528.24 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001015788-26-000002 · wk-form4_1775141740.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,590.42

Underlying: Common Stock · 487.02 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001015788-26-000001 · wk-form4_1767627137.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,103.4

Underlying: Common Stock · 521.85 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001015788-25-000009 · wk-form4_1762463677.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 98,085

F1 · shares: Represents 49,746 shares Phantom Shares that converted to common shares on 11/4/2025 when the reporting person ceased to be a Director with the Company. This will be the final reportable event as there have been no opposite way transactions in the past 6 months.

F2 · balance_after: On 11/4/2025, 9,776 shares vested from restricted stock unit awards.

SEC source: 0001015788-25-000005 · wk-form4_1759410462.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,581.55

Underlying: Common Stock · 518.69 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001127602-25-016025 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,339

F1 · balance_after: Includes 9,776 restricted stock units that will vest over time. On 5/21/25, 5,457 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0000039311-25-000077 · wk-form4_1751405134.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,062.86

Underlying: Common Stock · 491.51 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-25-000054 · wk-form4_1743528731.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,571.35

Underlying: Common Stock · 446.79 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-25-000007 · wk-form4_1735846123.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,124.56

Underlying: Common Stock · 387.07 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-24-000082 · wk-form4_1727819003.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,737.49

Underlying: Common Stock · 438.41 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001127602-24-016366 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,563

F1 · balance_after: Includes 5,457 restricted stock units that will vest over time. On 5/11/24, 4,195 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0000039311-24-000063 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 60,299.08

Underlying: Common Stock · 553.41 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-24-000043 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,745.67

Underlying: Common Stock · 565.86 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-24-000009 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,179.81

Underlying: Common Stock · 646.62 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-23-000084 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 58,533.19

Underlying: Common Stock · 649.81 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-23-000068 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,883.38

Underlying: Common Stock · 817.67 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001127602-23-015535 · form4.xml · derivative · entry 2

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,370

Underlying: Common Stock · 2,370 shares

Expires 2033-05-11

SEC source: 0001127602-23-015535 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,106

F1 · balance_after: Includes 4,195 restricted stock units that will vest over time. On 5/11/23, 2,265 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0000039311-23-000046 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,065.71

Underlying: Common Stock · 580.76 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-23-000008 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,484.95

Underlying: Common Stock · 500.27 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-22-000051 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,984.68

Underlying: Common Stock · 559.09 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-22-000039 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,425.59

Underlying: Common Stock · 627.56 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001127602-22-014627 · form4.xml · derivative · entry 2

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,440

Underlying: Common Stock · 1,440 shares

Expires 2032-05-12

SEC source: 0001127602-22-014627 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,911

F1 · balance_after: Includes 2,265 restricted stock units that will vest over time. On 5/12/22, 820 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0001127602-22-007302 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,646

F1 · balance_after: Includes 820 restricted stock units that will vest over time and 23,996 deferred shares.

SEC source: 0000039311-22-000029 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,798.03

Underlying: Common Stock · 490.86 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-22-000008 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,307.17

Underlying: Common Stock · 479.24 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-21-000055 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,827.93

Underlying: Common Stock · 523.56 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0000039311-21-000043 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,304.37

Underlying: Common Stock · 471.35 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued for under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non Employee Directors and are to be settled in the Issuer's Common Stock upon the reporting person's retirement as a director.

SEC source: 0001127602-21-016828 · form4.xml · derivative · entry 2

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 545

Underlying: Common Stock · 545 shares

Expires 2031-05-12

SEC source: 0001127602-21-016828 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,596

F1 · balance_after: Includes 820 restricted stock units that will vest over time. On 5/12/21, 1,815 shares vested from a restricted stock unit award and the reporting person has deferred receipt of the shares.

SEC source: 0000039311-21-000031 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,833.02

Underlying: Common Stock · 529.22 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

SEC source: 0000039311-21-000006 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,303.8

Underlying: Common Stock · 571.63 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

SEC source: 0001127602-20-027610 · form4.xml · derivative · entry 11

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,165 shares

Expires 2028-05-16

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: This option is fully vested and exercisable.

SEC source: 0001127602-20-027610 · form4.xml · derivative · entry 10

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,875 shares

Expires 2027-05-17

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: This option is fully vested and exercisable.

SEC source: 0001127602-20-027610 · form4.xml · derivative · entry 9

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,247 shares

Expires 2026-05-18

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: This option is fully vested and exercisable.

SEC source: 0001127602-20-027610 · form4.xml · derivative · entry 8

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,495 shares

Expires 2025-05-22

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: This option is fully vested and exercisable.

SEC source: 0001127602-20-027610 · form4.xml · derivative · entry 7

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,120 shares

Expires 2024-05-14

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: This option is fully vested and exercisable.

SEC source: 0001127602-20-027610 · form4.xml · nonDerivative · entry 6

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,776

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices between $64.00 and $65.16, inclusive. The reporting person will provide the SEC Staff, Sleep Number or any security holder of Sleep Number, upon request, full information regarding the number of shares sold at each separate price.

F2 · balance_after: Includes 4,595 shares pursuant to restricted stock awards that vest over time.

SEC source: 0001127602-20-027610 · form4.xml · nonDerivative · entry 5

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,678

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: 0001127602-20-027610 · form4.xml · nonDerivative · entry 4

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,513

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: 0001127602-20-027610 · form4.xml · nonDerivative · entry 3

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,638

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: 0001127602-20-027610 · form4.xml · nonDerivative · entry 2

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,391

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: 0001127602-20-027610 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,896

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: 0000039311-20-000061 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,732.17

Underlying: Common Stock · 664.09 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

SEC source: 0000039311-20-000051 · primary_doc.xml · derivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,068.08

Underlying: Common Stock · 847.6 shares

Expires not disclosed

F1 · derivative.exercise_price: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.exercise_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

F1 · derivative.expiration_date: The Phantom Stock Units were accrued under the Independent Bank Corporation Deferred Compensation and Stock Purchase Plan for Non-Employee Directors and are to be settled in Independent Bank Corporation Common Stock upon the reporting person's retirement.

SEC source: 0001127602-20-016740 · form4.xml · derivative · entry 2

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,475

Underlying: Common Stock · 1,475 shares

Expires 2030-05-13

SEC source: 0001127602-20-016740 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,776

F1 · balance_after: Includes 4,595 shares pursuant to restricted stock awards. On 5/13/20 restrictions lapsed on 2,345 shares and the reporting person has deferred receipt of those shares.

SEC source: 0001127602-20-014051 · form4.xml · nonDerivative · entry 1

GULIS STEPHEN L JR · CIK 0001015788 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,961

F1 · shares: These restricted stock units were awarded under a cash retainer for shares program. These shares will vest on December 15, 2020.

F2 · balance_after: Includes 5,125 restricted stock units that will vest over time.