IGM BIOSCIENCES INC

CUSIP: 449585108 Class: Common Stock

Siren, L.L.C.'s Holding History (CIK: 0002005245)

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

Q2 2025
Shares 3,255,826 Value ($000) $3,647 Avg Close — Range —
Q1 2025
Shares 3,255,826 Value ($000) $3,744 Avg Close — Range —
Q4 2024
Shares 3,330,422 Value ($000) $20,349 Avg Close — Range —
Q3 2024
Shares 3,330,422 Value ($000) $55,085 Avg Close — Range —