CHEMBIO DIAGNOSTICS INC

CUSIP: 163572209 Class: COM NEW

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2022
Shares 29,315 Value ($000) $6 Avg Close — Range —
Q3 2022
Shares 21,687 Value ($000) $8 Avg Close — Range —
Q2 2022
Shares 19,093 Value ($000) $12 Avg Close — Range —
Q1 2022
Shares 21,917 Value ($000) $18 Avg Close — Range —
Q4 2021
Shares 21,817 Value ($000) $25 Avg Close — Range —
Q3 2021
Shares 70,601 Value ($000) $177 Avg Close — Range —
Q1 2021
Shares 6,037 Value ($000) $21 Avg Close — Range —
Q4 2020
Shares 43,888 Value ($000) $208 Avg Close — Range —
Q3 2020
Shares 20,868 Value ($000) $101 Avg Close — Range —
Q2 2020
Shares 33,086 Value ($000) $108 Avg Close — Range —