MATTSON TECHNOLOGY INC

CUSIP: 577223100 Class: CMN

TANAKA CAPITAL MANAGEMENT INC's Holding History (CIK: 0000816788)

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

Q1 2016
Shares 212,975 Value ($000) $777 Avg Close — Range —
Q4 2015
Shares 213,315 Value ($000) $753 Avg Close — Range —
Q3 2015
Shares 224,622 Value ($000) $523 Avg Close — Range —
Q2 2015
Shares 220,172 Value ($000) $738 Avg Close — Range —
Q1 2015
Shares 220,172 Value ($000) $867 Avg Close — Range —
Q4 2014
Shares 360,268 Value ($000) $1,225 Avg Close — Range —
Q3 2014
Shares 373,249 Value ($000) $956 Avg Close — Range —
Q2 2014
Shares 373,249 Value ($000) $817 Avg Close — Range —
Q1 2014
Shares 371,254 Value ($000) $861 Avg Close — Range —
Q4 2013
Shares 366,804 Value ($000) $1,005 Avg Close — Range —
Q3 2013
Shares 358,525 Value ($000) $857 Avg Close — Range —
Q2 2013
Shares 397,051 Value ($000) $870 Avg Close — Range —