Qualys, Inc. (QLYS) Insider Trading
Over the last 3 months, QLYS insiders made 0 open-market buys and 14 sales, a net sale of -$2.2M (SEC Form 4). Over the last 6 months, 387 institutions increased and 291 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
14
Net (3m)
-$2.2M
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
May
Jun
Context3-month price +13.8%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 306 | $109.78 |
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 153 | $110.60 |
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 419 | $113.29 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 1,700 | $113.95 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 600 | $112.46 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 10,861 | $114.97 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 39 | $115.57 |
| May 26, 2026 | Pfeiffer Wendydirector | Sell | 500 | $101.21 |
| May 21, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 7 | $101.17 |
| May 21, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 858 | $100.43 |
| May 21, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 50 | $101.23 |
| May 21, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 1,627 | $100.17 |
| May 21, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 2,334 | $100.16 |
| May 4, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Tax | 6,748 | $88.53 |
| May 4, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Tax | 2,270 | $88.53 |
| May 4, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Tax | 3,845 | $88.53 |
| Mar 16, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 65 | $100.09 |
| Mar 6, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 100 | $100.18 |
| Feb 24, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 96 | $105.09 |
| Feb 24, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 175 | $104.02 |
| Feb 24, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 210 | $103.13 |
| Feb 6, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 400 | $126.74 |
| Feb 6, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 200 | $129.75 |
| Feb 6, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 3,648 | $129.16 |
| Feb 6, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 500 | $125.25 |
| Feb 6, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 2,051 | $128.20 |
| Feb 5, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Tax | 2,683 | $127.52 |
| Feb 5, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Tax | 10,394 | $127.52 |
| Feb 5, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Tax | 10,168 | $127.52 |
| Feb 5, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Grant | 3,018 | — |
Source: QLYS SEC Form 4 filings, latest Jun 3, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their QLYS positions over the last 6 months (SEC Form 13F).
Increased
387
New positions
108
Reduced
291
Sold out
125
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Reduced | 5.4M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 5.4M | May 13, 2026 |
| VANGUARD GROUP INC | Reduced | 4.4M | Jan 29, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.5M | May 8, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.6M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.4M | May 15, 2026 |
| FIRST TRUST ADVISORS LP | Increased | 1.4M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 1.3M | Feb 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.3M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 1.3M | Feb 9, 2026 |
| LEGAL & GENERAL GROUP PLC | Increased | 1.2M | Feb 9, 2026 |
| BOSTON TRUST WALDEN CORP | Reduced | 1.1M | Jan 28, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.0M | May 15, 2026 |
| LEGAL & GENERAL GROUP PLC | Reduced | 1.0M | May 8, 2026 |
| BOSTON TRUST WALDEN CORP | Reduced | 1.0M | Apr 24, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.