ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q1 2020
Shares 5,982 Value ($000) $537 Avg Close — Range —
Q4 2019
Shares 10,212 Value ($000) $1,104 Avg Close — Range —
Q3 2019
Shares 16,600 Value ($000) $1,626 Avg Close — Range —
Q4 2018
Shares 43,500 Value ($000) $4,235 Avg Close — Range —
Q2 2018
Shares 2,203 Value ($000) $274 Avg Close — Range —
Q1 2018
Shares 15,180 Value ($000) $1,692 Avg Close — Range —
Q3 2017
Shares 3,836 Value ($000) $538 Avg Close — Range —
Q2 2017
Shares 2,354 Value ($000) $286 Avg Close — Range —
Q1 2017
Shares 39,563 Value ($000) $4,797 Avg Close — Range —
Q4 2016
Shares 1,691 Value ($000) $207 Avg Close — Range —
Q3 2016
Shares 18,282 Value ($000) $2,240 Avg Close — Range —
Q2 2016
Shares 13,192 Value ($000) $1,540 Avg Close — Range —
Q1 2016
Shares 12,154 Value ($000) $1,692 Avg Close — Range —
Q4 2015
Shares 7,199 Value ($000) $1,373 Avg Close — Range —
Q3 2015
Shares 53,835 Value ($000) $8,419 Avg Close — Range —
Q2 2015
Shares 3,085 Value ($000) $558 Avg Close — Range —
Q1 2015
Shares 21,289 Value ($000) $3,689 Avg Close — Range —
Q4 2014
Shares 17,150 Value ($000) $3,173 Avg Close — Range —
Q3 2014
Shares 13,088 Value ($000) $2,170 Avg Close — Range —
Q2 2014
Shares 92,995 Value ($000) $14,530 Avg Close — Range —
Q1 2014
Shares 17,868 Value ($000) $2,718 Avg Close — Range —