PIERIS PHARMACEUTICALS INC

CUSIP: 720795103 Class: COMMON

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2021
Shares 58,100 Value ($000) $149 Avg Close — Range —
Q4 2020
Shares 58,100 Value ($000) $145 Avg Close — Range —
Q3 2020
Shares 58,100 Value ($000) $120 Avg Close — Range —
Q2 2020
Shares 61,700 Value ($000) $191 Avg Close — Range —
Q1 2020
Shares 49,000 Value ($000) $112 Avg Close — Range —
Q4 2019
Shares 42,300 Value ($000) $153 Avg Close — Range —
Q3 2019
Shares 42,300 Value ($000) $144 Avg Close — Range —
Q2 2019
Shares 232,390 Value ($000) $1,092 Avg Close — Range —
Q1 2019
Shares 224,190 Value ($000) $751 Avg Close — Range —
Q4 2018
Shares 231,790 Value ($000) $617 Avg Close — Range —
Q3 2018
Shares 145,380 Value ($000) $814 Avg Close — Range —
Q2 2018
Shares 141,480 Value ($000) $717 Avg Close — Range —
Q1 2018
Shares 106,090 Value ($000) $724 Avg Close — Range —
Q4 2017
Shares 16,800 Value ($000) $127 Avg Close — Range —
Q3 2017
Shares 13,000 Value ($000) $75 Avg Close — Range —
Q2 2017
Shares 13,000 Value ($000) $66 Avg Close — Range —