GIGAMON INC

CUSIP: 37518B102 Class: COM

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2016
Shares 232,260 Value ($000) $10,579 Avg Close — Range —
Q3 2016
Shares 249,580 Value ($000) $13,677 Avg Close — Range —
Q2 2016
Shares 285,270 Value ($000) $10,666 Avg Close — Range —
Q1 2016
Shares 272,600 Value ($000) $8,456 Avg Close — Range —
Q4 2015
Shares 163,070 Value ($000) $4,333 Avg Close — Range —
Q3 2015
Shares 25,700 Value ($000) $514 Avg Close — Range —
Q2 2015
Shares 17,300 Value ($000) $571 Avg Close — Range —
Q1 2014
Shares 41,500 Value ($000) $1,261 Avg Close — Range —