Qualys, Inc. (QLYS) Insider Trading
Over the last 3 months, QLYS insiders made 0 open-market buys and 28 sales, a net sale of -$5.1M (SEC Form 4). Over the last 6 months, 378 institutions increased and 293 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
28
Net (3m)
-$5.1M
Insider trades by month Buys Sells
Dec
Jan
Feb
Mar
May
Jun
Context3-month price +56.5%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 30, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 2,700 | $125.60 |
| Jun 30, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 4,994 | $126.96 |
| Jun 30, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 2,306 | $127.66 |
| Jun 29, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 200 | $121.10 |
| Jun 29, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 9,800 | $120.47 |
| Jun 23, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 465 | $108.80 |
| Jun 23, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 48 | $107.40 |
| Jun 23, 2026 | Pfeiffer Wendydirector | Sell | 500 | $110.55 |
| Jun 23, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 123 | $111.73 |
| Jun 23, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 188 | $109.84 |
| Jun 23, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 41 | $110.48 |
| Jun 16, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 200 | $112.08 |
| Jun 16, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 1,500 | $114.31 |
| Jun 15, 2026 | Hank Jeffrey Pdirector | Sell | 470 | $108.88 |
| Jun 15, 2026 | Berquist Thomasdirector | Sell | 939 | $110.75 |
| Jun 11, 2026 | Rogers Kristi Mariedirector | Grant | 2,628 | — |
| Jun 11, 2026 | Zangardi John A.director | Grant | 2,628 | — |
| Jun 11, 2026 | Hank Jeffrey Pdirector | Grant | 2,628 | — |
| Jun 11, 2026 | Brooks Bradford L.director | Grant | 2,628 | — |
| Jun 11, 2026 | Berquist Thomasdirector | Grant | 2,628 | — |
| Jun 11, 2026 | Pfeiffer Wendydirector | Grant | 2,628 | — |
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 153 | $110.60 |
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 306 | $109.78 |
| Jun 3, 2026 | Kim Joo Miofficer: CHIEF FINANCIAL OFFICER | Sell | 419 | $113.29 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 39 | $115.57 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 600 | $112.46 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 1,700 | $113.95 |
| Jun 2, 2026 | Thakar Sumedh Sdirector, officer: CEO & PRESIDENT | Sell | 10,861 | $114.97 |
| May 26, 2026 | Pfeiffer Wendydirector | Sell | 500 | $101.21 |
| May 21, 2026 | POSEY BRUCE Kofficer: CHIEF LEGAL OFFICER | Sell | 50 | $101.23 |
Source: QLYS SEC Form 4 filings, latest Jun 30, 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
378
New positions
116
Reduced
293
Sold out
128
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 CAPITAL MANAGEMENT LLC | New Position | 3.2M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.5M | May 8, 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.