BRISTOW GROUP INC

CUSIP: 110394103 Class: COM

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

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

Q1 2019
Shares 38,541 Value ($000) $43 Avg Close — Range —
Q4 2017
Shares 7,547 Value ($000) $102 Avg Close — Range —
Q3 2017
Shares 89,207 Value ($000) $834 Avg Close — Range —
Q2 2017
Shares 6,481 Value ($000) $50 Avg Close — Range —
Q3 2016
Shares 2,689 Value ($000) $38 Avg Close — Range —
Q2 2016
Shares 633 Value ($000) $7 Avg Close — Range —
Q3 2013
Shares 1,923 Value ($000) $140 Avg Close — Range —
Q2 2013
Shares 2,270 Value ($000) $148 Avg Close — Range —