Mitchell Steven R

SEC source: 0001796022-21-000064 · wf-form4_163295336429552.xml · nonDerivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,365

F3 · price: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $42.59 to $44.46. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.direct: Represents shares held of record by the reporting person, who is a member of a "group" with ARG Private Equity, LLC, Argo Holdings, LLC (f/k/a Argonaut Holdings, L.L.C.), Sanford Energy, Inc., George Kaiser, and Robert A. Waldo. Each of ARG Private Equity, LLC, Argo Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

SEC source: 0001796022-24-000056 · wk-form4a_1718236383.xml · nonDerivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,365

F2 · price: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $42.59 to $44.46. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001796022-21-000064 · wf-form4_163295336429552.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,210

F1 · price: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $43.84 to $45.12. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.direct: Represents shares held of record by the reporting person, who is a member of a "group" with ARG Private Equity, LLC, Argo Holdings, LLC (f/k/a Argonaut Holdings, L.L.C.), Sanford Energy, Inc., George Kaiser, and Robert A. Waldo. Each of ARG Private Equity, LLC, Argo Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

SEC source: 0001796022-24-000056 · wk-form4a_1718236383.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,210

F1 · price: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan in multiple trades at prices ranging from $43.84 to $45.12. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001529274-21-000018 · wf-form4_162758864153452.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,973

F1 · shares: The reporting person elected to defer receipt of these shares under the terms of the 2021 Incentive Award Plan.

SEC source: 0001209191-21-037850 · doc4.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,088

Underlying: Common Stock · 3,088 shares

Expires 2031-06-01

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) June 1, 2022, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2022.

SEC source: 0001209191-21-037850 · doc4.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,532

F1 · balance_after: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 1, 2022, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2022.

SEC source: 0001567619-21-008225 · doc1.xml · derivative · entry 10

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,759 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.

F5 · derivative.exercise_price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · derivative.exercise_date: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · derivative.expiration_date: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

SEC source: 0001567619-21-008225 · doc1.xml · derivative · entry 9

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,520,763 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.

F5 · derivative.exercise_price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · derivative.exercise_date: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · derivative.expiration_date: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · derivative · entry 8

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 9,131,172 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.

F4 · derivative.exercise_price: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F4 · price: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F4 · derivative.exercise_date: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F4 · derivative.expiration_date: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · derivative · entry 7

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,875,000 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.

F3 · derivative.exercise_price: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F3 · price: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F3 · derivative.exercise_date: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F3 · derivative.expiration_date: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · derivative · entry 6

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 81,126 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 · derivative.exercise_price: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F1 · price: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · nonDerivative · entry 5

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,759

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.

F5 · shares: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

SEC source: 0001567619-21-008225 · doc1.xml · nonDerivative · entry 4

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 12,608,061

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.

F5 · shares: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F5 · price: Each share of Series E Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · nonDerivative · entry 3

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 11,087,298

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 · shares: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F4 · price: Each share of Series C Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · nonDerivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,956,126

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 · shares: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F3 · price: Each share of Series B Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001567619-21-008225 · doc1.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 81,126

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 · shares: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F1 · price: Each share of Series A Preferred Stock was automatically converted on a 1-for-1 basis into Common Stock immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: Shares held by ARG Private Equity II, LLC ("APE II"). The Reporting Person, a member of the Issuer's board of directors, serves as an adviser to APE II and may be deemed to have beneficial ownership of the shares held by APE II. The Reporting Person disclaims beneficial ownership of all such shares except to the extent of his pecuniary interest therein.

SEC source: 0001453622-21-000003 · primary_doc.xml · derivative · entry 4

ARG Private Equity, LLC · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,993,044

Underlying: Class A Common Stock · 1,439,814 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.

F4 · derivative.exercise_price: The Class B Units are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

F1 · kind: On March 23, 2021, the Reporting Person exchanged 1,439,814 Class B Units of StepStone Group LP for 1,439,814 shares of Class A Common Stock. In connection with the exchange, 1,439,814 shares of Class B Common Stock were automatically redeemed and cancelled.

F4 · price: The Class B Units are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

F4 · derivative.exercise_date: The Class B Units are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

F4 · derivative.expiration_date: The Class B Units are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

F2 · ownership.direct: 62,500 of the Class A Common Stock securities are held of record by Steven R. Mitchell. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein. 62,500 of the Class A Common Stock securities are held of record by Robert A. Waldo. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

F3 · ownership.direct: The remaining securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by ARG Private Equity, LLC Steven R. Mitchell has a derivative interest in ARG Private Equity, LLC. Robert A. Waldo is a manager and Vice President of ARG Private Equity, LLC and has a derivative interest therein. George B. Kaiser is the sole member of ARG Private Equity, LLC. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001453622-21-000003 · primary_doc.xml · nonDerivative · entry 3

ARG Private Equity, LLC · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

F5 · kind: On March 23, 2021, the Reporting Person sold shares of Class A Common Stock in a secondary offering of Class A Common Stock by certain selling stockholders of the Issuer.

F2 · ownership.direct: 62,500 of the Class A Common Stock securities are held of record by Steven R. Mitchell. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein. 62,500 of the Class A Common Stock securities are held of record by Robert A. Waldo. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

F3 · ownership.direct: The remaining securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by ARG Private Equity, LLC Steven R. Mitchell has a derivative interest in ARG Private Equity, LLC. Robert A. Waldo is a manager and Vice President of ARG Private Equity, LLC and has a derivative interest therein. George B. Kaiser is the sole member of ARG Private Equity, LLC. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001453622-21-000003 · primary_doc.xml · nonDerivative · entry 2

ARG Private Equity, LLC · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,564,814

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: On March 23, 2021, the Reporting Person exchanged 1,439,814 Class B Units of StepStone Group LP for 1,439,814 shares of Class A Common Stock. In connection with the exchange, 1,439,814 shares of Class B Common Stock were automatically redeemed and cancelled.

F4 · price: The Class B Units are exchangeable, on a one-for-one basis, for shares of Class A Common Stock of the Issuer. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock of the Issuer will be automatically redeemed and cancelled.

F2 · ownership.direct: 62,500 of the Class A Common Stock securities are held of record by Steven R. Mitchell. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein. 62,500 of the Class A Common Stock securities are held of record by Robert A. Waldo. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

F3 · ownership.direct: The remaining securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by ARG Private Equity, LLC Steven R. Mitchell has a derivative interest in ARG Private Equity, LLC. Robert A. Waldo is a manager and Vice President of ARG Private Equity, LLC and has a derivative interest therein. George B. Kaiser is the sole member of ARG Private Equity, LLC. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001453622-21-000003 · primary_doc.xml · nonDerivative · entry 1

ARG Private Equity, LLC · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,993,044

F1 · kind: On March 23, 2021, the Reporting Person exchanged 1,439,814 Class B Units of StepStone Group LP for 1,439,814 shares of Class A Common Stock. In connection with the exchange, 1,439,814 shares of Class B Common Stock were automatically redeemed and cancelled.

F2 · ownership.direct: 62,500 of the Class A Common Stock securities are held of record by Steven R. Mitchell. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein. 62,500 of the Class A Common Stock securities are held of record by Robert A. Waldo. Each of ARG Private Equity, LLC, Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

F3 · ownership.direct: The remaining securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by ARG Private Equity, LLC Steven R. Mitchell has a derivative interest in ARG Private Equity, LLC. Robert A. Waldo is a manager and Vice President of ARG Private Equity, LLC and has a derivative interest therein. George B. Kaiser is the sole member of ARG Private Equity, LLC. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001394221-20-000006 · primary_doc.xml · derivative · entry 4

Argonaut Private Equity, L.L.C. · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,432,858

Underlying: Class A Common Stock · 3,830,328 shares

Expires not disclosed

F6 · derivative.exercise_price: The Class B Units of the Partnership are exchangeable, on a one-for-one basis, for shares of Class A Common Stock. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock will be automatically redeemed and cancelled.

F4 · kind: Represents 3,830,328 Class B Units of StepStone Group LP (the "Partnership") and a corresponding number of shares of Class B Common Stock transferred by Argonaut Holdings, LLC to the Issuer in connection with the closing of the IPO at a price of $18.00 for one Class B Unit and one share of Class B Common Stock.

F4 · price: Represents 3,830,328 Class B Units of StepStone Group LP (the "Partnership") and a corresponding number of shares of Class B Common Stock transferred by Argonaut Holdings, LLC to the Issuer in connection with the closing of the IPO at a price of $18.00 for one Class B Unit and one share of Class B Common Stock.

F6 · derivative.exercise_date: The Class B Units of the Partnership are exchangeable, on a one-for-one basis, for shares of Class A Common Stock. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock will be automatically redeemed and cancelled.

F6 · derivative.expiration_date: The Class B Units of the Partnership are exchangeable, on a one-for-one basis, for shares of Class A Common Stock. Upon exchange of a Class B Unit, the corresponding share of Class B Common Stock will be automatically redeemed and cancelled.

F5 · ownership.direct: These securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by Argonaut Private Equity, L.L.C. Steven R. Mitchell has a derivative interest in Argonaut Private Equity, L.L.C. Robert A. Waldo is a manager and Vice President of Argonaut Private Equity, L.L.C. and has a derivative interest therein. George B. Kaiser is the sole member of Argonaut Private Equity, L.L.C. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001394221-20-000006 · primary_doc.xml · nonDerivative · entry 3

Argonaut Private Equity, L.L.C. · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,432,858

F4 · kind: Represents 3,830,328 Class B Units of StepStone Group LP (the "Partnership") and a corresponding number of shares of Class B Common Stock transferred by Argonaut Holdings, LLC to the Issuer in connection with the closing of the IPO at a price of $18.00 for one Class B Unit and one share of Class B Common Stock.

F4 · price: Represents 3,830,328 Class B Units of StepStone Group LP (the "Partnership") and a corresponding number of shares of Class B Common Stock transferred by Argonaut Holdings, LLC to the Issuer in connection with the closing of the IPO at a price of $18.00 for one Class B Unit and one share of Class B Common Stock.

F5 · ownership.direct: These securities are held of record by Argonaut Holdings, LLC. Argonaut Holdings, LLC is managed by Argonaut Private Equity, L.L.C. Steven R. Mitchell has a derivative interest in Argonaut Private Equity, L.L.C. Robert A. Waldo is a manager and Vice President of Argonaut Private Equity, L.L.C. and has a derivative interest therein. George B. Kaiser is the sole member of Argonaut Private Equity, L.L.C. Each of Steven R. Mitchell, Robert A. Waldo and George B. Kaiser disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.

SEC source: 0001394221-20-000006 · primary_doc.xml · nonDerivative · entry 2

Argonaut Private Equity, L.L.C. · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,500

F1 · kind: Represents the purchase of shares of Class A Common Stock in the Issuer's initial public offering ("IPO").

F3 · ownership.direct: These securities are held of record by Robert A. Waldo. Each of Argonaut Private Equity, L.L.C., Argonaut Holdings, LLC, George Kaiser and Steven R. Mitchell disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

SEC source: 0001394221-20-000006 · primary_doc.xml · nonDerivative · entry 1

Argonaut Private Equity, L.L.C. · CIK 0001585937 · 10% owner

Argonaut Holdings, L.L.C. · CIK 0001394221 · 10% owner

KAISER GEORGE B · CIK 0001163432 · 10% owner

Mitchell Steven R · CIK 0001610279 · Director · 10% owner

Waldo Robert · CIK 0001728668 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,500

F1 · kind: Represents the purchase of shares of Class A Common Stock in the Issuer's initial public offering ("IPO").

F2 · ownership.direct: These securities are held of record by Steven R. Mitchell. Each of Argonaut Private Equity, L.L.C., Argonaut Holdings, LLC, George Kaiser and Robert A. Waldo disclaims beneficial ownership of these securities to the extent it or he does not have a pecuniary interest therein.

SEC source: 0001209191-20-038200 · doc4.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,817

Underlying: Common Stock · 9,817 shares

Expires 2030-06-18

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) June 18, 2021 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2021.

SEC source: 0001209191-20-038200 · doc4.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,043

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 18, 2021 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2021.

SEC source: 0001209191-19-038571 · doc4.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,950

Underlying: Common Stock · 11,950 shares

Expires 2029-06-19

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) June 19, 2020 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2020.

SEC source: 0001209191-19-038571 · doc4.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,532

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 19, 2020 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2020.

SEC source: 0001209191-18-039215 · doc4.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,517

Underlying: Common Stock · 13,517 shares

Expires 2028-06-28

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) June 20, 2019 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2019.

SEC source: 0001209191-18-039215 · doc4.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,144

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 20, 2019 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2019.

SEC source: 0001209191-17-040208 · doc4.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,019

Underlying: Common Stock · 17,019 shares

Expires 2027-06-14

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) June 14, 2018 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2018.

SEC source: 0001209191-17-040208 · doc4.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,467

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) June 14, 2018 or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2018.