ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's Holding History (CIK: 0001638555)

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

Q1 2019
Shares 100,000 Value ($000) $3,681 Avg Close — Range —
Q4 2018
Shares 175,000 Value ($000) $4,827 Avg Close — Range —
Q3 2018
Shares 250,000 Value ($000) $10,863 Avg Close — Range —
Q2 2018
Shares 200,000 Value ($000) $6,836 Avg Close — Range —
Q1 2018
Shares 100,000 Value ($000) $3,136 Avg Close — Range —
Q4 2017
Shares 190,000 Value ($000) $4,545 Avg Close — Range —