ARCH COAL INC

CUSIP: 039380407 Class: COMMON STOCK

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q1 2020
Shares 13,680 Value ($000) $395 Avg Close — Range —
Q4 2019
Shares 7,287 Value ($000) $523 Avg Close — Range —
Q1 2018
Shares 2,672 Value ($000) $245 Avg Close — Range —
Q3 2017
Shares 11,439 Value ($000) $820 Avg Close — Range —