PROTAGONIST THERAPEUTICS INC

Ticker: PTGX CUSIP: 74366E102 Class: Common Stock

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

Note: Option positions (PUT/CALL) are excluded.

Q4 2021
Shares 1,172,943 Value ($000) $40,115 Avg Close $31.61 Range $17.26 - $38.11
Q3 2021
Shares 1,394,000 Value ($000) $24,702 Avg Close $42.63 Range $12.80 - $50.54
Q2 2021
Shares 1,362,790 Value ($000) $61,162 Avg Close $33.01 Range $24.14 - $45.93
Q1 2021
Shares 1,258,790 Value ($000) $32,603 Avg Close $25.31 Range $18.82 - $32.10
Q4 2020
Shares 1,379,971 Value ($000) $27,820 Avg Close $21.52 Range $17.44 - $25.65
Q3 2020
Shares 1,179,971 Value ($000) $23,068 Avg Close $18.76 Range $14.16 - $23.25
Q2 2020
Shares 1,013,495 Value ($000) $17,898 Avg Close $12.55 Range $6.00 - $19.67
Q4 2017
Shares 225,000 Value ($000) $4,680 Avg Close $17.74 Range $14.10 - $21.31