Zenas Biopharma Inc (ZBIO) recorded notable options trading today, with 1,680 contracts exchanged, representing about 168,000 underlying shares—55.5% of its average daily trading volume of 302,680 shares over the past month. The $20 strike put option, expiring May 15, 2026, comprised the majority with 1,604 contracts traded, equating to approximately 160,400 underlying shares.
Bio-Techne Corp (TECH) saw 10,193 contracts traded, correlated to approximately 1 million underlying shares, which is 55.3% of its average daily trading volume of 1.8 million shares. The highest activity was for the $60 strike put option expiring January 16, 2026, with 5,000 contracts traded, representing roughly 500,000 underlying shares.
Omeros Corp (OMER) experienced a trading volume of 7,979 contracts, or about 797,900 underlying shares, representing 54.8% of its average daily volume of 1.5 million shares. The $12 strike call option, expiring December 19, 2025, led the volume with 1,321 contracts traded, approximately 132,100 underlying shares.
