HEYNEMAN JOHN M JR

SEC source: 0000860413-26-000055 · wk-form4_1780508721.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,471

F1 · shares: Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2027, subject to the reporting person's provision of continuous service to the Registrant through the earlier of the applicable vesting date or the date of the Registrant's next annual shareholder meeting.

SEC source: 0001198518-25-000009 · wk-form4_1764091760.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,414,636

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1095 shares held of record by John Heyneman, Jr.'s daughter, 1,215 shares held of record by John Heyneman, Jr.'s son Quinn, and 310 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0001198518-25-000004 · wk-form4_1762983968.xml · nonDerivative · entry 5

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bench Ranch LLC

Disclosed balance after: 30,154

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

SEC source: 0001198518-25-000004 · wk-form4_1762983968.xml · nonDerivative · entry 4

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Awe' LLC

Disclosed balance after: 47,482

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

SEC source: 0001198518-25-000004 · wk-form4_1762983968.xml · nonDerivative · entry 3

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Awe' LLC

Disclosed balance after: 67,482

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

SEC source: 0001198518-25-000004 · wk-form4_1762983968.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bench Ranch LLC

Disclosed balance after: 45,154

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

SEC source: 0001198518-25-000004 · wk-form4_1762983968.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,445,068

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 180,432 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1,095 shares held of record by John Heyneman, Jr.'s daughter, 1,215 shares held of record by John Heyneman, Jr.'s son Quinn, and 310 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0000860413-25-000125 · wk-form4_1755554830.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,224

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.07 to $30.23. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0000860413-25-000098 · wk-form4_1748976973.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,042

F1 · shares: Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2026, subject to the reporting person's provision of continuous service to the Registrant through the earlier of the applicable vesting date or the date of the Registrant's [next] annual stockholder meeting.

SEC source: 0000860413-25-000019 · wk-form4_1740614037.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,414,636

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1095 shares held of record by John Heyneman, Jr.'s daughter, 1,215 shares held of record by John Heyneman, Jr.'s son Quinn, and 310 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0000860413-25-000012 · wk-form4_1739923106.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,414,886

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1095 shares held of record by John Heyneman, Jr.'s daughter, 1,465 shares held of record by John Heyneman, Jr.'s son Quinn, and 310 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0000860413-25-000008 · wk-form4_1739211758.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,416,221

F1 · kind: Shares disposed of by John M Heyneman Jr. to John M. Heyneman Jr.'s son, and shares acquired by John M. Heynman Jr.'s son as a bona fide gift.

F2 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F3 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1,095 shares held of record by John Heyneman, Jr.'s daughter, 1,465 shares held of record by John Heyneman, Jr.'s son Quinn, and 1,645 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0000860413-25-000008 · wk-form4_1739211758.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,096

F1 · kind: Shares disposed of by John M Heyneman Jr. to John M. Heyneman Jr.'s son, and shares acquired by John M. Heynman Jr.'s son as a bona fide gift.

SEC source: 0000860413-24-000122 · wk-form4_1724792190.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,415,151

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman Jr. Trust; 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust; 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust; 1,085,792 shares held of record by Towanda Investments Limited Partnership; 4552 shares held of record by John Heyneman, Jr.'s spouse; 1095 shares held of record by John Heyneman, Jr.'s daughter; 1,465 shares held of record by John Heyneman, Jr.'s son Quinn; and 575 shares held of record by John Heyneman, Jr.'s son Bae-John.

SEC source: 0000860413-24-000116 · wk-form4_1722552308.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · see footnote

Disclosed balance after: 1,415,701

F1 · kind: Transaction involved a gift of 575 shares to reporting person's spouse and gifts of 575 shares to each of the reporting person's three children that share a household with the reporting person.

F2 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Table I being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F3 · ownership.nature: Composed of 150,000 shares held of record by John M Heyneman, Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, 4,552 shares held of record by John Heyneman, Jr.'s spouse, 1,645 shares held of record by John Heyneman, Jr.'s daughter. 1,465 shares held of record by John Heyneman, Jr.'s son Quinn, and 575 shares held of record by John Heyneman, Jr.'s son Bae-John .

SEC source: 0000860413-24-000116 · wk-form4_1722552308.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,166

F1 · kind: Transaction involved a gift of 575 shares to reporting person's spouse and gifts of 575 shares to each of the reporting person's three children that share a household with the reporting person.

SEC source: 0000860413-24-000100 · wk-form4_1717538747.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,466

F1 · shares: Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2025, subject to the reporting persons provision of continuous service to the Registrant through the vesting date.

SEC source: 0000860413-23-000144 · wf-form4_168598347932825.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,531

F1 · shares: Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2024, subject to the reporting persons provision of continuous service to the Registrant through the vesting date.

SEC source: 0001125727-22-000012 · wf-form4_165956419899967.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,130

SEC source: 0000860413-22-000177 · wf-form4_165420617092516.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,130

SEC source: 0000860413-22-000121 · wf-form4_164859634378338.xml · derivative · entry 4

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,400,617 shares

Expires not disclosed

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.

F1 · kind: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F1 · derivative.exercise_date: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F1 · derivative.expiration_date: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F4 · derivative.underlying_shares: Composed of 139,921 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, and 3,232 shares held of record by John Heyneman, Jr.'s spouse.

F3 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Tables I and II being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons. (by see footnote)

F4 · ownership.nature: Composed of 139,921 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, and 3,232 shares held of record by John Heyneman, Jr.'s spouse.

SEC source: 0000860413-22-000121 · wf-form4_164859634378338.xml · derivative · entry 3

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,000 shares

Expires not disclosed

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.

F1 · kind: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F1 · derivative.exercise_date: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F1 · derivative.expiration_date: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

SEC source: 0000860413-22-000121 · wf-form4_164859634378338.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 1,403,322

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.

F1 · kind: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

F2 · balance_after: Composed of 775 shares held of record by John Heyneman, Jr.'s spouse, 890 shares held by Child 1, 1070 by Child 2, 139,921 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, and 3,232 shares held of record by John Heyneman, Jr.'s spouse.

F2 · ownership.nature: Composed of 775 shares held of record by John Heyneman, Jr.'s spouse, 890 shares held by Child 1, 1070 by Child 2, 139,921 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, and 3,232 shares held of record by John Heyneman, Jr.'s spouse.

F3 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Tables I and II being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons. (by see footnote)

SEC source: 0000860413-22-000121 · wf-form4_164859634378338.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,554

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.

F1 · kind: Pursuant to the Issuer's amended and restated articles of incorporation, as amended, because the aggregate number of shares of Class B common stock constituted less than twenty percent (20%) of the aggregate number of shares of the Issuer's issued and outstanding common stock as of March 25, 2022, the record date of the Issuer's 2022 annual meeting of shareholders, each outstanding share of Class B common stock was automatically converted into one share of Class A common stock.

SEC source: 0000860413-22-000107 · wf-form4_164797690636863.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · see footnote

Disclosed balance after: 2,705

F1 · ownership.nature: As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John M. Heyneman, Jr. with the indication of direct or indirect ownership in Tables I and II being made from John M. Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

F2 · ownership.nature: Composed of 745 shares held of record by John M. Heyneman, Jr.'s spouse, 890 shares held by Child 1 and 1,070 by Child 2.

SEC source: 0000860413-22-000107 · wf-form4_164797690636863.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

John M Heyneman Jr. Trust · CIK 0001908848 · 10% owner

Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908849 · 10% owner

Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust · CIK 0001908784 · 10% owner

Towanda Investments Limited Partnership · CIK 0001908810 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,554

SEC source: 0000860413-21-000231 · wf-form4_163968366653485.xml · nonDerivative · entry 4

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Child 2

Disclosed balance after: 650

SEC source: 0000860413-21-000231 · wf-form4_163968366653485.xml · nonDerivative · entry 3

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 325

SEC source: 0000860413-21-000231 · wf-form4_163968366653485.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Child 1

Disclosed balance after: 470

SEC source: 0000860413-21-000231 · wf-form4_163968366653485.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Child 1

Disclosed balance after: 650

SEC source: 0000860413-21-000184 · wf-form4_162265321717223.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,814

SEC source: 0000860413-21-000120 · wf-form4_161522053714409.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,646

SEC source: 0000860413-20-000149 · wf-form4_159111314848169.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,271

SEC source: 0000860413-19-000090 · wf-form4_155974705124143.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,831

SEC source: 0000860413-18-000096 · wf-form4_152812763748174.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,612

SEC source: 0000860413-18-000091 · wf-form4_152788887764743.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,040

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · derivative · entry 14

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 139,921

Underlying: Class A Common Stock · 16,737 shares

Expires not disclosed

F2 · security: The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.

F2 · derivative.exercise_date: The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.

F2 · derivative.expiration_date: The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 9

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,040

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 8

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,040

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.29 to $37.47 The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · derivative · entry 13

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,428 shares

Expires 2013-05-22

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.

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 7

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,040

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 6

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,999

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · derivative · entry 12

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,801 shares

Expires 2022-05-23

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 5

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,571

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 4

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,111

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · derivative · entry 11

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,094 shares

Expires 2021-05-24

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · derivative · entry 10

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,972 shares

Expires 2020-05-07

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 3

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,310

SEC source: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 2

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,715

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: 0000860413-18-000080 · wf-form4_152719716040418.xml · nonDerivative · entry 1

HEYNEMAN JOHN M JR · CIK 0001198518 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,621

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.