GIGA TRONICS INC

CUSIP: 375175106 Class: COM

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q4 2015
Shares 18,500 Value ($000) $30 Avg Close — Range —
Q3 2015
Shares 15,000 Value ($000) $14 Avg Close — Range —
Q2 2015
Shares 15,000 Value ($000) $26 Avg Close — Range —
Q1 2015
Shares 15,000 Value ($000) $25 Avg Close — Range —
Q4 2014
Shares 15,000 Value ($000) $21 Avg Close — Range —
Q3 2014
Shares 15,000 Value ($000) $30 Avg Close — Range —
Q2 2014
Shares 15,000 Value ($000) $38 Avg Close — Range —
Q1 2014
Shares 28,000 Value ($000) $37 Avg Close — Range —
Q4 2013
Shares 48,500 Value ($000) $45 Avg Close — Range —
Q3 2013
Shares 48,500 Value ($000) $59 Avg Close — Range —
Q2 2013
Shares 48,500 Value ($000) $73 Avg Close — Range —