HARPOON THERAPEUTICS INC

CUSIP: 41358P106 Class: COM

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

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

Q1 2022
Shares 23,200 Value ($000) $115 Avg Close — Range —
Q4 2021
Shares 23,200 Value ($000) $175 Avg Close — Range —
Q3 2021
Shares 26,100 Value ($000) $206 Avg Close — Range —
Q2 2021
Shares 26,100 Value ($000) $362 Avg Close — Range —
Q1 2021
Shares 15,300 Value ($000) $320 Avg Close — Range —
Q4 2020
Shares 18,000 Value ($000) $299 Avg Close — Range —
Q3 2020
Shares 18,000 Value ($000) $306 Avg Close — Range —
Q2 2020
Shares 16,600 Value ($000) $276 Avg Close — Range —