X0609 4 2026-08-21 0001626115 PJT Partners Inc. PJT 0001940704 Cornwell Kievdi Don false 280 PARK AVENUE NEW YORK NY 10017 true false false false false Class A Common Stock 2026-08-21 4 S false 6987 173.4116 D 19723 D Class A Common Stock 2026-08-21 4 S false 858 174.0399 D 18865 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transacations ranging from $172.9950 to $173.9150, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $174.0350 to $174.0400, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. David K.F. Gillis, Attorney-in-Fact 2026-08-21