Qualys, Mineralys, and Mercury Systems report insider stock sales

Several companies reported notable insider stock transactions and valuation shifts on September 21st.

Qualys, a security platform with a market cap of approximately $6.3 billion, saw insider Bruce Posey sell 866 shares for roughly $155,438 under a pre-arranged Rule 10b5-1 plan. While Qualys recently beat quarterly earnings estimates with $1.98 per share, analysts remain divided on its valuation, with some suggesting the stock is 8% overvalued while others see a nearly 20% discount based on cash flow models.

Mineralys Therapeutics reported that insider Eric Warren sold 7,438 shares at an average price of $28.12, totaling approximately $209,156. This transaction, also executed via a Rule 10b5-1 plan, reduced his ownership by 16.23%. The company recently reported a quarterly loss of $2.85 per share.

Mercury Systems also saw insider activity, with Executive Vice President Stuart Kupinsky selling 1,000 shares at an average price of $86.52, totaling $86,520. This sale was part of a series of recent divestments by the executive.