X0306 4 2022-09-09 0001588978 PROCEPT BioRobotics Corp PRCT 0001402856 McGaughy R Kent Jr 2000 MCKINNEY AVE., STE 2125 DALLAS TX 75201 true 0001372218 CPMG Inc 2000 MCKINNEY AVE., STE 2125 DALLAS TX 75201 true 0001882743 White Tailed Ptarmigan, LP 2000 MCKINNEY AVE, SUITE 2125 DALLAS TX 75201 true Common Stock 2022-09-09 4 J 0 986640 0 D 8955675 I By White Tailed Ptarmigan, LP Common Stock 13510 I By Kestrel Fund, LP Common Stock 86156 I By Mallard Fund, L.P. Common Stock 114042 I By Lagos Trust CPMG, Inc. is the general partner of White Tailed Ptarmigan, LP and the investment manager of each of Kestrel Fund, L.P. and Mallard Fund, L.P. (together with White Tailed Ptarmigan, LP, the "CPMG Funds"). In such capacities, CPMG, Inc. may be deemed to have voting and investment control over the shares beneficially owned by the CPMG Funds. Antal Desai, a member of the Issuer's board of directors, and Kent McGaughy, Jr., each of whom is a shareholder and managing director of CPMG, Inc., may be deemed to share voting and investment power with respect to the shares beneficially owned by the CPMG Funds. Each of Mr. Desai and Mr. McGaughy, Jr. disclaims beneficial ownership of the shares beneficially owned by the CPMG Funds except to the extent of any pecuniary interest therein. Antal Desai reports his beneficial ownership of these shares on a separate Form 4. On September 9, 2022, White Tailed Ptarmigan, LP distributed shares on a pro rata basis, for no consideration, including 133,176 shares that were distributed in transactions exempt from Section 16 under Rule 16a-13. Includes shares previously held indirectly through White Tailed Ptarmigan, LP, which were distributed on a pro rata basis, for no consideration, on September 9, 2022, in a transaction exempt from Section 16 under Rules 16a-9 and 16a-13. Mr. McGaughy, Jr. is trustee of Lagos Trust. Mr. McGaughy, Jr. disclaims beneficial ownership of the shares beneficially owned by Lagos Trust except to the extent of any pecuniary interest therein. /s/ John Bateman, as Chief Operating Officer of CPMG, Inc. 2022-09-13 /s/ Kent McGaughy, Jr. 2022-09-13 /s/ John Bateman, as Chief Operating Officer of CPMG, Inc., the General Partner of White Tailed Ptarmigan, LP 2022-09-13