Sumedh S. Thakar, CEO and President of Qualys, Inc. (NASDAQ:QLYS), filed a Form 4 on August 17, 2026, reporting the sale of 3,200 shares of common stock on August 14, 2026, pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Total shares sold: 3,200 shares of Qualys common stock disposed of across five transactions on August 14, 2026.
  • Price range: Weighted average sale prices ranged from $186.2752 to $192.2748 per share across the five tranches.
  • Remaining ownership: Following the reported transactions, Thakar directly beneficially owns 183,538 shares of common stock.
  • 10b5-1 plan: All sales were effected pursuant to a Rule 10b5-1 trading plan adopted by Thakar on February 27, 2026.
  • Transaction code: All five dispositions carry transaction code "S" (open-market sale), each reported as directly owned.

Qualys CEO Thakar's August 2026 Share Sales in Detail

According to the filing, Sumedh S. Thakar, who serves as CEO and President and is also identified as a Director of Qualys, Inc., disposed of 3,200 shares of common stock in five separate tranches on August 14, 2026. The filing indicates all sales were carried out under a Rule 10b5-1 trading plan that Thakar adopted on February 27, 2026.

The five tranches, as reported, were: 406 shares at a weighted average price of $186.2752 (range $185.79 to $186.62); 794 shares at $188.0678 (range $187.54 to $188.52); 1,300 shares at $189.4095 (range $189.04 to $189.92); 600 shares at $190.4917 (range $190.14 to $190.93); and 100 shares at $192.2748 (range $192.15 to $192.53). The filing notes that full information on shares sold at each separate price within each range will be provided upon request by Commission staff, the issuer, or a security holder.

Before these transactions, Thakar held 186,738 shares directly (calculated from the sequential post-transaction balances reported in the filing, beginning at 186,332 after the first sale of 406 shares). After all five dispositions, his directly held beneficial ownership stood at 183,538 shares, as reported in the filing. The Form 4 was signed by Bruce Posey by power of attorney for Thakar and filed on August 17, 2026.

What Was Disclosed

The filing reports five open-market sales of Qualys common stock by CEO Sumedh S. Thakar on August 14, 2026, totaling 3,200 shares at weighted average prices between $186.2752 and $192.2748, all executed under a 10b5-1 plan adopted February 27, 2026.