Topsoe Holding A/S, 10% Owner at IGM Biosciences, Inc. (IGMS), bought 1,687,500 shares at $8.00 ($13.5M) on 2023-06-26, disclosed to the SEC on 2023-06-28.
Open-market purchase of $13.5M IGMS by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Nothing distinguishes this filing.