ARSANIS INC

CUSIP: 042873109 Class: COM

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2018
Shares 7,000 Value ($000) $16 Avg Close — Range —
Q3 2018
Shares 3,358 Value ($000) $5 Avg Close — Range —
Q2 2018
Shares 17,318 Value ($000) $63 Avg Close — Range —
Q1 2018
Shares 21,449 Value ($000) $491 Avg Close — Range —
Q4 2017
Shares 21,150 Value ($000) $270 Avg Close — Range —