CHEMBIO DIAGNOSTICS INC

CUSIP: 163572209 Class: COM NEW

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2018
Shares 801,835 Value ($000) $4,538 Avg Close — Range —
Q3 2018
Shares 918,535 Value ($000) $9,645 Avg Close — Range —
Q2 2018
Shares 918,535 Value ($000) $10,196 Avg Close — Range —
Q1 2018
Shares 918,535 Value ($000) $7,348 Avg Close — Range —
Q4 2017
Shares 918,535 Value ($000) $7,532 Avg Close — Range —
Q3 2017
Shares 918,535 Value ($000) $5,695 Avg Close — Range —
Q2 2017
Shares 918,535 Value ($000) $5,557 Avg Close — Range —
Q1 2017
Shares 994,135 Value ($000) $5,269 Avg Close — Range —
Q4 2016
Shares 1,106,880 Value ($000) $7,527 Avg Close — Range —
Q3 2016
Shares 1,057,880 Value ($000) $7,797 Avg Close — Range —
Q2 2016
Shares 1,095,880 Value ($000) $8,975 Avg Close — Range —
Q1 2016
Shares 1,095,880 Value ($000) $6,564 Avg Close — Range —
Q4 2015
Shares 1,092,780 Value ($000) $5,825 Avg Close — Range —
Q3 2015
Shares 1,092,780 Value ($000) $4,415 Avg Close — Range —
Q2 2015
Shares 1,092,780 Value ($000) $5,366 Avg Close — Range —
Q1 2015
Shares 1,092,780 Value ($000) $4,327 Avg Close — Range —
Q4 2014
Shares 1,050,280 Value ($000) $4,086 Avg Close — Range —
Q3 2014
Shares 1,050,280 Value ($000) $3,907 Avg Close — Range —
Q2 2014
Shares 958,480 Value ($000) $3,288 Avg Close — Range —
Q1 2014
Shares 820,280 Value ($000) $2,814 Avg Close — Range —
Q4 2013
Shares 820,280 Value ($000) $2,764 Avg Close — Range —
Q3 2013
Shares 820,280 Value ($000) $2,986 Avg Close — Range —
Q2 2013
Shares 803,280 Value ($000) $4,016 Avg Close — Range —