X0508 4 2024-10-31 0001590955 Paycom Software, Inc. PAYC 0001594487 Richison Chad R. 7501 W. MEMORIAL ROAD OKLAHOMA CITY OK 73142 true true true false CEO, President and Chairman true Common Stock 2024-10-31 4 S false 9 193.01 D 2750901 D Common Stock 2024-10-31 4 S false 8 201.68 D 2750893 D Common Stock 2024-10-31 4 S false 8 202.68 D 2750885 D Common Stock 2024-10-31 4 S false 8 206 D 2750877 D Common Stock 2024-10-31 4 S false 9 208 D 2750868 D Common Stock 2024-10-31 4 S false 102 209.72 D 2750766 D Common Stock 2024-10-31 4 S false 329 210.8 D 2750437 D Common Stock 2024-10-31 4 S false 435 211.73 D 2750002 D Common Stock 2024-10-31 4 S false 386 212.59 D 2749616 D Common Stock 2024-10-31 4 S false 239 213.71 D 2749377 D Common Stock 2024-10-31 4 S false 350 214.81 D 2749027 D Common Stock 2024-10-31 4 S false 51 215.51 D 2748976 D Common Stock 2024-10-31 4 S false 3 217.13 D 2748973 D Common Stock 2024-10-31 4 S false 13 219.4 D 2748960 D Common Stock 1012 I By Faye Penelope Richison 2023 Irrevocable Trust Common Stock 1012 I By Rome West Pedersen 2023 Irrevocable Trust Common Stock 1012 I By Lane West Richison 2022 Irrevocable Trust Common Stock 1012 I By Kase Gabriel Richison 2022 Irrevocable Trust Common Stock 1012 I By Sage Elizabeth Richison 2022 Irrevocable Trust Common Stock 1012 I By Charles Banks Pedersen 2022 Irrevocable Trust Common Stock 253 I By Ava L. Richison 2012 Irrevocable Trust Common Stock 253 I By Ian D. Richison 2012 Irrevocable Trust Common Stock 56 I By Abrie R. Richison 2012 Irrevocable Trust Common Stock 12500 I By Charis Michelle Richison Trust 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. on February 16, 2024. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $209.32 to $210.12, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $210.22 to $211.18, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $211.18 to $212.11, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $212.21 to $213.11, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $213.29 to $214.10, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $214.20 to $215.14, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $215.17 to $216.07, 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. The price reported is a weighted average price. These shares of common stock were sold in multiple transactions at prices ranging from $219.21 to $219.71, 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. 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. 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. 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. 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. 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. 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. 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. 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. Represents shares of common stock owned by the Abrie R. Richison 2012 Irrevocable Trust (the "ARR Trust"). The reporting person is the settlor and sole trustee for the ARR 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 ARR Trust. Represents shares of common stock owned by the Charis Michelle Richison Trust (the "Spouse Trust"). The Spouse Trust is a revocable trust for the benefit of the reporting person's spouse. The reporting person may be deemed to beneficially own the shares of common stock owned by the Spouse Trust. This Form 4 is the first of two Form 4s being filed by the reporting person. Because the SEC's EDGAR filing system limits a single Form 4 to a maximum of 30 separate lines, the report has been split into two filings to cover all transactions that occurred on October 31, 2024 and all other holdings as of such date. /s/ Matthew Paque, attorney-in-fact 2024-11-01