PAYC

SEC source: 0000950170-25-026982 · ownership.xml · nonDerivative · entry 3

Vickroy Amy · CIK 0002018276 · EVP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,218

F3 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the shares of restricted stock described in footnote (2) above. No shares were sold in this transaction.

F4 · balance_after: Includes 9,416 unvested shares of restricted stock and 8,390 unvested restricted stock units.

SEC source: 0000950170-25-026982 · ownership.xml · nonDerivative · entry 2

Vickroy Amy · CIK 0002018276 · EVP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,378

F2 · shares: Represents shares of restricted stock granted under the LTIP.

SEC source: 0000950170-25-026982 · ownership.xml · nonDerivative · entry 1

Vickroy Amy · CIK 0002018276 · EVP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,378

F1 · shares: Represents restricted stock units granted under the Paycom Software, Inc. 2023 Long-Term Incentive Plan (the "LTIP").

SEC source: 0000950170-25-026988 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,673,358

F1 · shares: Represents restricted stock units granted under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 43,148 unvested restricted stock units.

SEC source: 0000950170-25-026987 · ownership.xml · nonDerivative · entry 1

Clark Jason D. · CIK 0001616602 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,060

F1 · shares: Represents restricted stock units granted under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 2,769 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-026985 · ownership.xml · nonDerivative · entry 1

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,896

F1 · shares: Represents restricted stock units granted under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 13,294 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-022493 · ownership.xml · nonDerivative · entry 1

PETERS FREDERICK C II · CIK 0001227984 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,783

F1 · balance_after: Includes 1,216 unvested shares of restricted stock.

SEC source: 0000950170-25-018990 · ownership.xml · nonDerivative · entry 4

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bradley Scott Smith Revocable Trust, dated October 30, 2017

Disclosed balance after: 31,733

F4 · ownership.nature: The Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"), is a revocable trust for the benefit of the reporting person, his spouse, and his children. The reporting person is the trustor and, with his spouse, a co-trustee of the Bradley Scott Smith Revocable Trust. Accordingly, the reporting person reports beneficial ownership of all of the shares of common stock held by the Bradley Scott Smith Revocable Trust but disclaims beneficial ownership except to the extent of his and his spouse's pecuniary interest therein.

SEC source: 0000950170-25-018990 · ownership.xml · nonDerivative · entry 3

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,307

F2 · balance_after: Includes 3,705 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018984 · ownership.xml · nonDerivative · entry 2

Peck Randall · CIK 0002025321 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,875

F3 · shares: Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (1) above. No shares were sold in this transaction.

F2 · balance_after: Includes 33,677 unvested shares of restricted stock and 3,496 unvested restricted stock units.

SEC source: 0000950170-25-018984 · ownership.xml · nonDerivative · entry 1

Peck Randall · CIK 0002025321 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,188

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") acquired by the reporting person upon the vesting of performance-based restricted stock units granted to the reporting person on May 30, 2024, under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 33,677 unvested shares of restricted stock and 3,496 unvested restricted stock units.

SEC source: 0000950170-25-018982 · ownership.xml · nonDerivative · entry 2

Vickroy Amy · CIK 0002018276 · EVP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,988

F3 · shares: Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (1) above. No shares were sold in this transaction.

F2 · balance_after: Includes 9,416 unvested shares of restricted stock.

SEC source: 0000950170-25-018982 · ownership.xml · nonDerivative · entry 1

Vickroy Amy · CIK 0002018276 · EVP of Sales

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,962

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") acquired by the reporting person upon the vesting of performance-based restricted stock units granted to the reporting person on April 4, 2024, under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 9,416 unvested shares of restricted stock.

SEC source: 0000950170-25-018990 · ownership.xml · nonDerivative · entry 2

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,834

F3 · shares: Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (1) above. No shares were sold in this transaction.

F2 · balance_after: Includes 3,705 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018990 · ownership.xml · nonDerivative · entry 1

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,829

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") acquired by the reporting person upon the vesting of performance-based restricted stock units granted to the reporting person on March 1, 2024, under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 3,705 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018988 · ownership.xml · nonDerivative · entry 2

Boelte Craig E. · CIK 0001594519 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 292,806

F3 · shares: Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (1) above. No shares were sold in this transaction.

F2 · balance_after: Includes 5,929 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018988 · ownership.xml · nonDerivative · entry 1

Boelte Craig E. · CIK 0001594519 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 295,998

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") acquired by the reporting person upon the vesting of performance-based restricted stock units granted to the reporting person on March 1, 2024, under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 5,929 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018987 · ownership.xml · nonDerivative · entry 2

Clark Jason D. · CIK 0001616602 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,101

F3 · shares: Represents shares of common stock of the Issuer withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the performance-based restricted stock units described in footnote (1) above. No shares were sold in this transaction.

F2 · balance_after: Includes 1,810 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-018987 · ownership.xml · nonDerivative · entry 1

Clark Jason D. · CIK 0001616602 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,298

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") acquired by the reporting person upon the vesting of performance-based restricted stock units granted to the reporting person on March 1, 2024, under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 1,810 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-016311 · ownership.xml · nonDerivative · entry 3

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Bradley Scott Smith Revocable Trust, dated October 30, 2017

Disclosed balance after: 29,206

F3 · balance_after: This amount has been updated to correct the allocation of shares between the reporting person's direct ownership and the ownership of the Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"). Specifically, the amount reported as owned by the Bradley Scott Smith Revocable Trust now includes 8,596 shares of common stock that were inadvertently reported as directly beneficially owned in prior reports. The total number of shares of common stock beneficially owned by the reporting person did not change as a result of this correction.

F4 · ownership.nature: The Bradley Scott Smith Revocable Trust is a revocable trust for the benefit of the reporting person, his spouse, and his children. The reporting person is the trustor and, with his spouse, a co-trustee of the Bradley Scott Smith Revocable Trust. Accordingly, the reporting person reports beneficial ownership of all of the shares of common stock held by the Bradley Scott Smith Revocable Trust but disclaims beneficial ownership except to the extent of his and his spouse's pecuniary interest therein.

SEC source: 0000950170-25-016311 · ownership.xml · nonDerivative · entry 2

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,307

F3 · balance_after: This amount has been updated to correct the allocation of shares between the reporting person's direct ownership and the ownership of the Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"). Specifically, the amount reported as owned by the Bradley Scott Smith Revocable Trust now includes 8,596 shares of common stock that were inadvertently reported as directly beneficially owned in prior reports. The total number of shares of common stock beneficially owned by the reporting person did not change as a result of this correction.

SEC source: 0000950170-25-016316 · ownership.xml · nonDerivative · entry 1

Peck Randall · CIK 0002025321 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,945

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the following awards: (i) 6,375 shares of restricted stock granted to the reporting person on May 30, 2024; and (ii) 1,747 restricted stock units granted to the reporting person on May 30, 2024. No shares were sold in this transaction.

F2 · balance_after: Includes 33,677 unvested shares of restricted stock and 3,496 unvested restricted stock units.

SEC source: 0000950170-25-016315 · ownership.xml · nonDerivative · entry 1

Clark Jason D. · CIK 0001616602 · Chief Administrative Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,584

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the following awards: (i) 7,000 shares of restricted stock granted to the reporting person on December 4, 2023; and (ii) 904 restricted stock units granted to the reporting person on March 1, 2024. No shares were sold in this transaction.

F2 · balance_after: Includes 1,810 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-016313 · ownership.xml · nonDerivative · entry 1

Boelte Craig E. · CIK 0001594519 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288,762

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the following awards: (i) 7,000 shares of restricted stock granted to the reporting person on May 2, 2023; (ii) 1,104 restricted stock units granted to the reporting person on May 2, 2023; and (iii) 2,412 restricted stock units granted to the reporting person on March 1, 2024. No shares were sold in this transaction.

F2 · balance_after: Includes 5,929 unvested restricted stock units and 26,000 unvested shares of restricted stock.

SEC source: 0000950170-25-016311 · ownership.xml · nonDerivative · entry 1

Smith Bradley Scott · CIK 0001738164 · Chief Information Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,148

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of the following awards: (i) 7,000 shares of restricted stock granted to the reporting person on May 2, 2023; (ii) 690 restricted stock units granted to the reporting person on May 2, 2023; and (iii) 1,507 restricted stock units granted to the reporting person on March 1, 2024. No shares were sold in this transaction.

F2 · balance_after: Includes 3,705 unvested restricted stock units and 26,000 unvested shares of restricted stock.

F3 · balance_after: This amount has been updated to correct the allocation of shares between the reporting person's direct ownership and the ownership of the Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"). Specifically, the amount reported as owned by the Bradley Scott Smith Revocable Trust now includes 8,596 shares of common stock that were inadvertently reported as directly beneficially owned in prior reports. The total number of shares of common stock beneficially owned by the reporting person did not change as a result of this correction.

SEC source: 0000950170-24-135814 · ownership.xml · nonDerivative · entry 1

BINZ JOSEPH LEO · CIK 0001946413 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,847

F1 · shares: Represents shares of restricted stock granted to the reporting person under the Paycom Software, Inc. 2023 Long-Term Incentive Plan.

F2 · balance_after: Includes 249 unvested shares of restricted stock.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 9

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Ian D. Richison 2012 Irrevocable Trust

Disclosed balance after: 328

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F9 · ownership.nature: Represents shares of common stock owned by the Ian D. Richison 2012 Irrevocable Trust (the "IDR Trust"). The reporting person is the settlor and sole trustee for the IDR Trust, which is for the benefit of the reporting person's child. The reporting person may be deemed to beneficially own the shares of common stock owned by the IDR Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Ava L. Richison 2012 Irrevocable Trust

Disclosed balance after: 328

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F8 · ownership.nature: Represents shares of common stock owned by the Ava L. Richison 2012 Irrevocable Trust (the "ALR Trust"). The reporting person is the settlor and sole trustee for the ALR Trust, which is for the benefit of the reporting person's child. The reporting person may be deemed to beneficially own the shares of common stock owned by the ALR Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Charles Banks Pedersen 2022 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F7 · ownership.nature: Represents shares of common stock owned by the Charles Banks Pedersen 2022 Irrevocable Trust (the "CBP Trust"). The reporting person is the settlor and sole trustee for the CBP Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the CBP Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Sage Elizabeth Richison 2022 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F6 · ownership.nature: Represents shares of common stock owned by the Sage Elizabeth Richison 2022 Irrevocable Trust (the "SER Trust"). The reporting person is the settlor and sole trustee for the SER Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the SER Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Kase Gabriel Richison 2022 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F5 · ownership.nature: Represents shares of common stock owned by the Kase Gabriel Richison 2022 Irrevocable Trust (the "KGR Trust"). The reporting person is the settlor and sole trustee for the KGR Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the KGR Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Lane West Richison 2022 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F4 · ownership.nature: Represents shares of common stock owned by the Lane West Richison 2022 Irrevocable Trust (the "LWR Trust"). The reporting person is the settlor and sole trustee for the LWR Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the LWR Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Rome West Pedersen 2023 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F3 · ownership.nature: Represents shares of common stock owned by the Rome West Pedersen 2023 Irrevocable Trust (the "RWP Trust"). The reporting person is the settlor and sole trustee for the RWP Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the RWP Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Faye Penelope Richison 2023 Irrevocable Trust

Disclosed balance after: 1,087

F1 · shares: Represents shares received pursuant to a gift from the reporting person.

F2 · ownership.nature: Represents shares of common stock owned by the Faye Penelope Richison 2023 Irrevocable Trust (the "FPR Trust"). The reporting person is the settlor and sole trustee for the FPR Trust, which is for the benefit of the reporting person's grandchild. The reporting person may be deemed to beneficially own the shares of common stock owned by the FPR Trust.

SEC source: 0000950170-24-133753 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,630,210

SEC source: 0000950170-24-133288 · ownership.xml · nonDerivative · entry 1

Boelte Craig E. · CIK 0001594519 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 292,699

F1 · balance_after: Includes 9,445 unvested restricted stock units and 33,000 unvested shares of restricted stock.

SEC source: 0000950170-24-132301 · ownership.xml · nonDerivative · entry 1

Peck Randall · CIK 0002025321 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,827

F1 · shares: Represents shares of common stock of Paycom Software, Inc. (the "Issuer") withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of an award of 97 shares of restricted stock granted to the reporting person on February 23, 2024

F2 · balance_after: Includes 40,052 unvested shares of restricted stock and 5,243 unvested restricted stock units.

SEC source: 0000950170-24-131161 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,631,410

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,427,249

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $230.57 to $230.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,427,257

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $229.57 to $230.51, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,427,971

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $228.58 to $229.52, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,428,752

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F2 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $227.37 to $228.00, inclusive. The reporting person undertakes to provide to Paycom Software, Inc. (the "Issuer"), any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 4

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,731,410

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $230.57 to $230.87, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 3

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,731,418

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $229.57 to $230.51, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 2

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,732,132

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $228.58 to $229.52, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-127278 · ownership.xml · nonDerivative · entry 1

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,732,913

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F2 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $227.37 to $228.00, inclusive. The reporting person undertakes to provide to Paycom Software, Inc. (the "Issuer"), any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-126304 · ownership.xml · nonDerivative · entry 8

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,429,199

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F5 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $229.81 to $230.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-126304 · ownership.xml · nonDerivative · entry 7

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,429,297

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F4 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $228.90 to $229.79, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-126304 · ownership.xml · nonDerivative · entry 6

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,430,138

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F3 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $227.90 to $228.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the SEC, upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.

SEC source: 0000950170-24-126304 · ownership.xml · nonDerivative · entry 5

Richison Chad R. · CIK 0001594487 · Director · CEO, President and Chairman · 10% owner

10b5-1 filing: Plan reported

Ownership: Indirect · By Ernest Group, Inc.

Disclosed balance after: 3,430,768

F1 · kind: The sales reported on this Form 4 were effected pursuant to a joint Rule 10b5-1 trading plan adopted by the reporting person and Ernest Group, Inc. ("Ernest Group") on February 16, 2024.

F2 · price: The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $226.92 to $227.73, inclusive. The reporting person undertakes to provide to Paycom Software, Inc. (the "Issuer"), any security holder of the Issuer or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold in the transactions at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents shares of common stock owned by Ernest Group. The reporting person is the sole director of Ernest Group, and Ernest Group is wholly owned by the reporting person and certain trusts for the reporting person's children, for which the reporting person serves as trustee. The reporting person may be deemed to beneficially own the shares of common stock owned by Ernest Group.