ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q4 2020
Shares 1,599 Value ($000) $250 Avg Close — Range —
Q3 2020
Shares 4,891 Value ($000) $560 Avg Close — Range —
Q3 2019
Shares 11,513 Value ($000) $1,128 Avg Close — Range —
Q4 2018
Shares 7,310 Value ($000) $712 Avg Close — Range —
Q2 2018
Shares 15,691 Value ($000) $1,948 Avg Close — Range —
Q2 2017
Shares 3,334 Value ($000) $406 Avg Close — Range —
Q3 2016
Shares 3,158 Value ($000) $387 Avg Close — Range —
Q2 2016
Shares 3,228 Value ($000) $377 Avg Close — Range —
Q4 2015
Shares 1,235 Value ($000) $236 Avg Close — Range —