ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

Crestline Management, LP's Holding History (CIK: 0001536054)

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

Q4 2018
Shares 16,000 Value ($000) $441 Avg Close — Range —
Q3 2018
Shares 27,818 Value ($000) $1,209 Avg Close — Range —
Q2 2018
Shares 18,534 Value ($000) $633 Avg Close — Range —
Q1 2018
Shares 23,698 Value ($000) $743 Avg Close — Range —