SEC Form 4 · Updated Daily
QLYS
— QUALYS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Thakar Sumedh S | Director · Officer | 183,538 | 2026-08-14 | S |
| Kim Joo Mi | Officer | 74,713 | 2026-09-02 | S |
| POSEY BRUCE K | Officer | 59,554 | 2026-08-20 | S |
| Hank Jeffrey P | Director | 15,576 | 2026-06-12 | S |
| Pfeiffer Wendy | Director | 11,710 | 2026-08-20 | S |
| Rogers Kristi Marie | Director | 11,224 | 2026-06-10 | A |
| Zangardi John A. | Director | 6,699 | 2026-06-10 | A |
| Berquist Thomas | Director | 6,270 | 2026-09-02 | S |
| Brooks Bradford L. | Director | 5,826 | 2026-06-10 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-02 | Kim Joo Mi | Open-market sale | 102 | $172.37 | 74,713 |
| 2026-09-02 | Kim Joo Mi | Open-market sale | 265 | $171.14 | 74,815 |
| 2026-09-02 | Kim Joo Mi | Open-market sale | 204 | $170.05 | 75,080 |
| 2026-09-02 | Kim Joo Mi | Open-market sale | 166 | $168.75 | 75,284 |
| 2026-09-02 | Kim Joo Mi | Open-market sale | 293 | $167.49 | 75,450 |
| 2026-09-02 | Berquist Thomas | Open-market sale | 511 | $175.27 | 6,270 |
| 2026-08-20 | Pfeiffer Wendy | Open-market sale | 500 | $185.00 | 11,710 |
| 2026-08-20 | POSEY BRUCE K | Open-market sale | 280 | $185.91 | 59,554 |
| 2026-08-20 | POSEY BRUCE K | Open-market sale | 96 | $184.25 | 59,834 |
| 2026-08-20 | POSEY BRUCE K | Open-market sale | 393 | $183.58 | 59,930 |
| 2026-08-20 | POSEY BRUCE K | Open-market sale | 97 | $181.99 | 60,323 |
| 2026-08-14 | Thakar Sumedh S | Open-market sale | 100 | $192.27 | 183,538 |
| 2026-08-14 | Thakar Sumedh S | Open-market sale | 600 | $190.49 | 183,638 |
| 2026-08-14 | Thakar Sumedh S | Open-market sale | 1,300 | $189.41 | 184,238 |
| 2026-08-14 | Thakar Sumedh S | Open-market sale | 794 | $188.07 | 185,538 |
| 2026-08-14 | Thakar Sumedh S | Open-market sale | 406 | $186.28 | 186,332 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 100 | $155.12 | 75,743 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 827 | $154.51 | 75,843 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 300 | $152.78 | 76,670 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 200 | $151.47 | 76,970 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 100 | $148.54 | 77,170 |
| 2026-08-03 | Kim Joo Mi | Open-market sale | 100 | $147.22 | 77,270 |
| 2026-08-01 | Thakar Sumedh S | Tax withholding | 6,748 | $144.75 | 186,738 |
| 2026-08-01 | POSEY BRUCE K | Tax withholding | 2,269 | $144.75 | 60,420 |
| 2026-08-01 | Kim Joo Mi | Tax withholding | 3,845 | $144.75 | 77,370 |
| 2026-07-20 | Pfeiffer Wendy | Open-market sale | 500 | $158.19 | 12,210 |
| 2026-07-20 | POSEY BRUCE K | Open-market sale | 43 | $160.18 | 62,689 |
| 2026-07-20 | POSEY BRUCE K | Open-market sale | 262 | $159.35 | 62,732 |
| 2026-07-20 | POSEY BRUCE K | Open-market sale | 334 | $158.06 | 62,994 |
| 2026-07-20 | POSEY BRUCE K | Open-market sale | 243 | $156.71 | 63,328 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 200 | $163.56 | 193,486 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 200 | $162.40 | 193,686 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 1,570 | $161.69 | 193,886 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 730 | $160.81 | 195,456 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 200 | $157.75 | 196,186 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 100 | $155.30 | 196,386 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 100 | $151.53 | 196,486 |
| 2026-07-14 | Thakar Sumedh S | Open-market sale | 100 | $149.30 | 196,586 |
| 2026-07-06 | POSEY BRUCE K | Open-market sale | 1,000 | $155.00 | 63,571 |
| 2026-07-02 | Kim Joo Mi | Open-market sale | 965 | $143.44 | 81,215 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.