9 insiders reported 281 Form 4 transactions for QUALYS, INC. (QLYS) over the past 18 months (most recent 2026-08-21). Recent activity: POSEY BRUCE K (CHIEF LEGAL OFFICER) Sell 97 shares, Pfeiffer Wendy (Director) Sell 500 shares, POSEY BRUCE K (CHIEF LEGAL OFFICER) Sell 393 shares, POSEY BRUCE K (CHIEF LEGAL OFFICER) Sell 96 shares, POSEY BRUCE K (CHIEF LEGAL OFFICER) Sell 280 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 97 | $17,653 |
| 2026-08-21 | Pfeiffer Wendy | Director | Sell | 500 | $92,500 |
| 2026-08-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 393 | $72,148 |
| 2026-08-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 96 | $17,688 |
| 2026-08-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 280 | $52,056 |
| 2026-08-17 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 600 | $114,295 |
| 2026-08-17 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 794 | $149,326 |
| 2026-08-17 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 1,300 | $246,232 |
| 2026-08-17 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 406 | $75,628 |
| 2026-08-17 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 100 | $19,227 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 100 | $14,722 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 100 | $14,854 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 300 | $45,834 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 827 | $127,779 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 100 | $15,512 |
| 2026-08-04 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 200 | $30,294 |
| 2026-08-03 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 2,269 | $328,438 |
| 2026-08-03 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 6,748 | $976,773 |
| 2026-08-03 | Kim Joo Mi | CHIEF FINANCIAL OFFICER | Sell | 3,845 | $556,564 |
| 2026-07-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 243 | $38,081 |
| 2026-07-21 | Pfeiffer Wendy | Director | Sell | 500 | $79,095 |
| 2026-07-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 334 | $52,791 |
| 2026-07-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 262 | $41,749 |
| 2026-07-21 | POSEY BRUCE K | CHIEF LEGAL OFFICER | Sell | 43 | $6,888 |
| 2026-07-15 | Thakar Sumedh S | CEO & PRESIDENT | Sell | 100 | $14,930 |
Source: SEC Form 4 filings · as of 2026-08-21