Company
QLYS · CIK 0001107843
Sale of 72 shares at $175.54 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Sep 21, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001254781-26-000026 · filed 2026-09-22 · View filing →
Sale of 27 shares at $177.9833 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Sep 21, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001254781-26-000026 · filed 2026-09-22 · View filing →
Sale of 241 shares at $178.9571 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Sep 21, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001254781-26-000026 · filed 2026-09-22 · View filing →
Sale of 327 shares at $179.9499 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Sep 21, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001254781-26-000026 · filed 2026-09-22 · View filing →
Sale of 199 shares at $181.0318 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Sep 21, 2026 · Disclosed Sep 22, 2026
Source: SEC Form 4 · 0001254781-26-000026 · filed 2026-09-22 · View filing →
Sale of 100 shares at $154.39 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 100 shares at $174.71 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 200 shares at $159.275 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 300 shares at $162.43 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 100 shares at $165.94 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 100 shares at $167.58 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 200 shares at $169.345 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 100 shares at $170.90 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 1,500 shares at $172.9247 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 500 shares at $173.92 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Sep 14, 2026 · Disclosed Sep 15, 2026
Source: SEC Form 4 · 0001558242-26-000024 · filed 2026-09-15 · View filing →
Sale of 511 shares at $175.27 per share.
Reporting Person Berquist Thomas · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001433254-26-000006 · filed 2026-09-03 · View filing →
Sale of 293 shares at $167.4897 per share.
Reporting Person Kim Joo Mi · Officer Title CHIEF FINANCIAL OFFICER · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001814777-26-000023 · filed 2026-09-03 · View filing →
Sale of 166 shares at $168.754 per share.
Reporting Person Kim Joo Mi · Officer Title CHIEF FINANCIAL OFFICER · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001814777-26-000023 · filed 2026-09-03 · View filing →
Sale of 204 shares at $170.0475 per share.
Reporting Person Kim Joo Mi · Officer Title CHIEF FINANCIAL OFFICER · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001814777-26-000023 · filed 2026-09-03 · View filing →
Sale of 265 shares at $171.1442 per share.
Reporting Person Kim Joo Mi · Officer Title CHIEF FINANCIAL OFFICER · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001814777-26-000023 · filed 2026-09-03 · View filing →
Sale of 102 shares at $172.37 per share.
Reporting Person Kim Joo Mi · Officer Title CHIEF FINANCIAL OFFICER · Transaction Code S
Traded Sep 2, 2026 · Disclosed Sep 3, 2026
Source: SEC Form 4 · 0001814777-26-000023 · filed 2026-09-03 · View filing →
Sale of 97 shares at $181.9875 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Aug 20, 2026 · Disclosed Aug 21, 2026
Source: SEC Form 4 · 0001254781-26-000024 · filed 2026-08-21 · View filing →
Sale of 393 shares at $183.5817 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Aug 20, 2026 · Disclosed Aug 21, 2026
Source: SEC Form 4 · 0001254781-26-000024 · filed 2026-08-21 · View filing →
Sale of 96 shares at $184.249 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Aug 20, 2026 · Disclosed Aug 21, 2026
Source: SEC Form 4 · 0001254781-26-000024 · filed 2026-08-21 · View filing →
Sale of 280 shares at $185.9138 per share.
Reporting Person POSEY BRUCE K · Officer Title CHIEF LEGAL OFFICER · Transaction Code S
Traded Aug 20, 2026 · Disclosed Aug 21, 2026
Source: SEC Form 4 · 0001254781-26-000024 · filed 2026-08-21 · View filing →
Sale of 500 shares at $185 per share.
Reporting Person Pfeiffer Wendy · Transaction Code S
Traded Aug 20, 2026 · Disclosed Aug 21, 2026
Source: SEC Form 4 · 0001786612-26-000011 · filed 2026-08-21 · View filing →
Sale of 406 shares at $186.2752 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 17, 2026
Source: SEC Form 4 · 0001558242-26-000022 · filed 2026-08-17 · View filing →
Sale of 794 shares at $188.0678 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 17, 2026
Source: SEC Form 4 · 0001558242-26-000022 · filed 2026-08-17 · View filing →
Sale of 1,300 shares at $189.4095 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 17, 2026
Source: SEC Form 4 · 0001558242-26-000022 · filed 2026-08-17 · View filing →
Sale of 600 shares at $190.4917 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 17, 2026
Source: SEC Form 4 · 0001558242-26-000022 · filed 2026-08-17 · View filing →
Sale of 100 shares at $192.2748 per share.
Reporting Person Thakar Sumedh S · Officer Title CEO & PRESIDENT · Transaction Code S
Traded Aug 14, 2026 · Disclosed Aug 17, 2026
Source: SEC Form 4 · 0001558242-26-000022 · filed 2026-08-17 · View filing →