VITAL THERAPIES INC

CUSIP: 92847R104 Class: COM

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

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

Q1 2019
Shares 162,104 Value ($000) $32 Avg Close — Range —
Q4 2018
Shares 210,701 Value ($000) $39 Avg Close — Range —
Q3 2018
Shares 40,808 Value ($000) $11 Avg Close — Range —
Q1 2018
Shares 1,050 Value ($000) $7 Avg Close — Range —
Q4 2017
Shares 2,000 Value ($000) $12 Avg Close — Range —
Q3 2017
Shares 2,000 Value ($000) $10 Avg Close — Range —
Q1 2015
Shares 1,488 Value ($000) $37 Avg Close — Range —