Significant Thursday Options Trading Highlights: TEM, SSTI, SLS

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Among the underlying components of the Russell 3000 index, Tempus AI Inc (TEM) reported significant options trading today, with a total of 49,232 contracts exchanged—approximately 4.9 million underlying shares. This volume represents 65.6% of TEM’s average daily trading volume of 7.5 million shares over the past month. Notably, the $60 strike call option expiring July 2, 2026, saw 6,265 contracts traded, equivalent to about 626,500 underlying shares.

SoundThinking Inc (SSTI) registered a trading volume of 800 options contracts, representing around 80,000 underlying shares, or 62.1% of its average daily volume of 128,895 shares over the past month. A high volume was recorded for the $7.50 strike put option expiring July 17, 2026, with 799 contracts changing hands, equating to about 79,900 underlying shares.

SELLAS Life Sciences Group Inc (SLS) experienced options trading of 50,636 contracts, amounting to approximately 5.1 million underlying shares, or 61.3% of its average daily volume of 8.3 million shares. The $15 strike call option expiring September 18, 2026, had a notable trading volume of 3,278 contracts, representing around 327,800 underlying shares.

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