ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

SOUTHPORT MANAGEMENT, L.L.C.'s Holding History (CIK: 0001549553)

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

Q2 2021
Shares 5,000 Value ($000) $344,850 Avg Close — Range —
Q1 2021
Shares 5,000 Value ($000) $312,850 Avg Close — Range —