PIERIS PHARMACEUTICALS INC

CUSIP: 720795103 Class: COMMON

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2024
Shares 25,700 Value ($000) $5 Avg Close — Range —
Q4 2023
Shares 6,730 Value ($000) $1 Avg Close — Range —
Q3 2023
Shares 6,730 Value ($000) $2 Avg Close — Range —
Q2 2023
Shares 6,730 Value ($000) $1 Avg Close — Range —
Q1 2023
Shares 17,730 Value ($000) $17 Avg Close — Range —
Q4 2022
Shares 12,730 Value ($000) $13 Avg Close — Range —
Q1 2022
Shares 35,776 Value ($000) $108 Avg Close — Range —
Q4 2021
Shares 43,120 Value ($000) $163 Avg Close — Range —
Q3 2021
Shares 70,055 Value ($000) $362 Avg Close — Range —
Q1 2021
Shares 300 Value ($000) $1 Avg Close — Range —
Q2 2020
Shares 56 Value ($000) $0 Avg Close — Range —
Q1 2020
Shares 656 Value ($000) $2 Avg Close — Range —
Q4 2019
Shares 600 Value ($000) $2 Avg Close — Range —
Q3 2019
Shares 5,500 Value ($000) $19 Avg Close — Range —
Q2 2019
Shares 800 Value ($000) $4 Avg Close — Range —