Company / CIK 0001107843
QUALYS, INC.
- Ticker
- QLYS
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 9
- Members of Congress who traded it
- 2
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 20, 2026
QUALYS, INC. (QLYS) has 9 insiders on file who disclosed 206 transactions in the last 12 months (0 open-market buys, 180 sales, about $34.3M at reported prices), and 5 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
QUALYS, INC. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
7 people account for the disclosed buying and selling in QUALYS, INC. over the last 12 months; the most active is Thakar Sumedh S with $21M.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| POSEY BRUCE K | CHIEF LEGAL OFFICER | 62 | 0 | 57 | October 21, 2026 |
| Thakar Sumedh S | CEO & PRESIDENT | 80 | 0 | 69 | October 15, 2026 |
| Kim Joo Mi | CHIEF FINANCIAL OFFICER | 57 | 0 | 52 | September 3, 2026 |
| Berquist Thomas | Director | 3 | 0 | 2 | September 3, 2026 |
| Pfeiffer Wendy | Director | 5 | 0 | 4 | August 21, 2026 |
| Hank Jeffrey P | Director | 3 | 0 | 2 | June 15, 2026 |
| Brooks Bradford L. | Director | 2 | 0 | 0 | June 11, 2026 |
| Rogers Kristi Marie | Director | 1 | 0 | 0 | June 11, 2026 |
| Zangardi John A. | Director | 1 | 0 | 0 | June 11, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded QLYS
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the QLYS page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 4 | 2 | 2 | $4,004–$60K | October 31, 2025 |
| Tommy Tuberville | Senator (AL), Republican | 1 | 0 | 1 | $1,001–$15K | May 3, 2024 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 62 | $191 | $12K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 449 | $190 | $86K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 244 | $190 | $46K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 35 | $187 | $6,554 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 7 | $185 | $1,297 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | October 20, 2026 | October 21, 2026 | 1d | 84 | $184 | $15K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | October 14, 2026 | October 15, 2026 | 1d | 400 | $194 | $78K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | October 14, 2026 | October 15, 2026 | 1d | 500 | $193 | $96K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | October 14, 2026 | October 15, 2026 | 1d | 400 | $190 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | October 14, 2026 | October 15, 2026 | 1d | 1,500 | $189 | $284K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | October 14, 2026 | October 15, 2026 | 1d | 400 | $188 | $75K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | September 21, 2026 | September 22, 2026 | 1d | 199 | $181 | $36K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | September 21, 2026 | September 22, 2026 | 1d | 327 | $180 | $59K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | September 21, 2026 | September 22, 2026 | 1d | 241 | $179 | $43K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | September 21, 2026 | September 22, 2026 | 1d | 27 | $178 | $4,806 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | September 21, 2026 | September 22, 2026 | 1d | 72 | $176 | $13K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 100 | $175 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 500 | $174 | $87K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 1,500 | $173 | $259K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 100 | $171 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 200 | $169 | $34K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 100 | $168 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 100 | $166 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 300 | $162 | $49K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 200 | $159 | $32K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | September 14, 2026 | September 15, 2026 | 1d | 100 | $154 | $15K | 10b5-1 plan | Form 4 ↗ | |
| Berquist Thomas | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 511 | $175 | $90K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 102 | $172 | $18K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 265 | $171 | $45K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 204 | $170 | $35K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 166 | $169 | $28K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | September 2, 2026 | September 3, 2026 | 1d | 293 | $167 | $49K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | August 20, 2026 | August 21, 2026 | 1d | 280 | $186 | $52K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | August 20, 2026 | August 21, 2026 | 1d | 96 | $184 | $18K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | August 20, 2026 | August 21, 2026 | 1d | 393 | $184 | $72K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | August 20, 2026 | August 21, 2026 | 1d | 97 | $182 | $18K | 10b5-1 plan | Form 4 ↗ | |
| Pfeiffer Wendy | QLYS | Sell S | August 20, 2026 | August 21, 2026 | 1d | 500 | $185 | $93K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | August 14, 2026 | August 17, 2026 | 3d | 100 | $192 | $19K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | August 14, 2026 | August 17, 2026 | 3d | 600 | $190 | $114K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | August 14, 2026 | August 17, 2026 | 3d | 1,300 | $189 | $246K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | August 14, 2026 | August 17, 2026 | 3d | 794 | $188 | $149K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | August 14, 2026 | August 17, 2026 | 3d | 406 | $186 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 100 | $155 | $16K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 827 | $155 | $128K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 300 | $153 | $46K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 200 | $151 | $30K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 100 | $149 | $15K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | August 3, 2026 | August 4, 2026 | 1d | 100 | $147 | $15K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell F | August 1, 2026 | August 3, 2026 | 2d | 3,845 | $145 | $557K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell F | August 1, 2026 | August 3, 2026 | 2d | 2,269 | $145 | $328K | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | August 1, 2026 | August 3, 2026 | 2d | 6,748 | $145 | $977K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell S | July 20, 2026 | July 21, 2026 | 1d | 43 | $160 | $6,888 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | July 20, 2026 | July 21, 2026 | 1d | 262 | $159 | $42K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | July 20, 2026 | July 21, 2026 | 1d | 334 | $158 | $53K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | July 20, 2026 | July 21, 2026 | 1d | 243 | $157 | $38K | 10b5-1 plan | Form 4 ↗ | |
| Pfeiffer Wendy | QLYS | Sell S | July 20, 2026 | July 21, 2026 | 1d | 500 | $158 | $79K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 200 | $164 | $33K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 200 | $162 | $32K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 1,570 | $162 | $254K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 730 | $161 | $117K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 200 | $158 | $32K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 100 | $155 | $16K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 100 | $152 | $15K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | July 14, 2026 | July 15, 2026 | 1d | 100 | $149 | $15K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | July 6, 2026 | July 6, 2026 | 0d | 1,000 | $155 | $155K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | July 2, 2026 | July 6, 2026 | 4d | 965 | $143 | $138K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 30, 2026 | July 1, 2026 | 1d | 10,000 | $140 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 30, 2026 | July 1, 2026 | 1d | 10,000 | $135 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 30, 2026 | July 1, 2026 | 1d | 10,000 | $130 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 29, 2026 | June 30, 2026 | 1d | 2,306 | $128 | $294K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 29, 2026 | June 30, 2026 | 1d | 4,994 | $127 | $634K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 29, 2026 | June 30, 2026 | 1d | 2,700 | $126 | $339K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 26, 2026 | June 29, 2026 | 3d | 200 | $121 | $24K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 26, 2026 | June 29, 2026 | 3d | 9,800 | $120 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 123 | $112 | $14K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 41 | $110 | $4,530 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 188 | $110 | $21K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 465 | $109 | $51K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 48 | $107 | $5,155 | 10b5-1 plan | Form 4 ↗ | |
| Pfeiffer Wendy | QLYS | Sell S | June 22, 2026 | June 23, 2026 | 1d | 500 | $111 | $55K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 15, 2026 | June 16, 2026 | 1d | 1,500 | $116 | $173K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 15, 2026 | June 16, 2026 | 1d | 1,500 | $114 | $171K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 15, 2026 | June 16, 2026 | 1d | 200 | $112 | $22K | 10b5-1 plan | Form 4 ↗ | |
| Berquist Thomas | QLYS | Sell S | June 12, 2026 | June 15, 2026 | 3d | 939 | $111 | $104K | 10b5-1 plan | Form 4 ↗ | |
| Hank Jeffrey P | QLYS | Sell S | June 12, 2026 | June 15, 2026 | 3d | 470 | $111 | $52K | Form 4 ↗ | ||
| Hank Jeffrey P | QLYS | Sell S | June 11, 2026 | June 15, 2026 | 4d | 470 | $109 | $51K | Form 4 ↗ | ||
| Zangardi John A. | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Hank Jeffrey P | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Rogers Kristi Marie | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Pfeiffer Wendy | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Brooks Bradford L. | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Berquist Thomas | QLYS | Other A | June 10, 2026 | June 11, 2026 | 1d | 2,628 | — | — | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell S | June 2, 2026 | June 3, 2026 | 1d | 419 | $113 | $47K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | June 2, 2026 | June 3, 2026 | 1d | 153 | $112 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | June 2, 2026 | June 3, 2026 | 1d | 153 | $111 | $17K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | June 2, 2026 | June 3, 2026 | 1d | 306 | $110 | $34K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 1, 2026 | June 2, 2026 | 1d | 39 | $116 | $4,507 | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 1, 2026 | June 2, 2026 | 1d | 10,861 | $115 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 1, 2026 | June 2, 2026 | 1d | 1,700 | $114 | $194K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | June 1, 2026 | June 2, 2026 | 1d | 600 | $112 | $67K | 10b5-1 plan | Form 4 ↗ | |
| Pfeiffer Wendy | QLYS | Sell S | May 22, 2026 | May 26, 2026 | 4d | 500 | $101 | $51K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | May 20, 2026 | May 21, 2026 | 1d | 7 | $101 | $708 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | May 20, 2026 | May 21, 2026 | 1d | 858 | $100 | $86K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | May 19, 2026 | May 21, 2026 | 2d | 50 | $101 | $5,061 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | May 19, 2026 | May 21, 2026 | 2d | 2,334 | $100 | $234K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | May 19, 2026 | May 21, 2026 | 2d | 1,627 | $100 | $163K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell F | May 1, 2026 | May 4, 2026 | 3d | 2,270 | $89 | $201K | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell F | May 1, 2026 | May 4, 2026 | 3d | 3,845 | $89 | $340K | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | May 1, 2026 | May 4, 2026 | 3d | 6,748 | $89 | $597K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell S | March 13, 2026 | March 16, 2026 | 3d | 65 | $100 | $6,506 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | March 5, 2026 | March 6, 2026 | 1d | 100 | $100 | $10K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | February 20, 2026 | February 24, 2026 | 4d | 96 | $105 | $10K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | February 20, 2026 | February 24, 2026 | 4d | 175 | $104 | $18K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | February 20, 2026 | February 24, 2026 | 4d | 210 | $103 | $22K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 4, 2026 | February 6, 2026 | 2d | 200 | $130 | $26K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 4, 2026 | February 6, 2026 | 2d | 3,648 | $129 | $471K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 4, 2026 | February 6, 2026 | 2d | 2,051 | $128 | $263K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 4, 2026 | February 6, 2026 | 2d | 400 | $127 | $51K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 4, 2026 | February 6, 2026 | 2d | 500 | $125 | $63K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 53 | $128 | $6,759 | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 104 | — | — | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 2,441 | $128 | $311K | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 4,796 | — | — | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 1,861 | $128 | $237K | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 3,657 | — | — | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 2,683 | $128 | $342K | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 5,280 | — | — | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 1,083 | $128 | $138K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 3,018 | — | — | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 1,078 | $128 | $137K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 2,181 | — | — | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 1,453 | $128 | $185K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 2,854 | — | — | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 31 | $128 | $3,953 | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 60 | — | — | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 205 | $128 | $26K | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 401 | — | — | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 7,726 | $128 | $985K | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 15,184 | — | — | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 10,168 | $128 | $1.3M | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 19,984 | — | — | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | February 3, 2026 | February 5, 2026 | 2d | 10,394 | $128 | $1.3M | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Other A | February 3, 2026 | February 5, 2026 | 2d | 20,427 | — | — | Form 4 ↗ | ||
| Kim Joo Mi | QLYS | Sell S | February 2, 2026 | February 3, 2026 | 1d | 300 | $137 | $41K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 2, 2026 | February 3, 2026 | 1d | 1,006 | $136 | $137K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | February 2, 2026 | February 3, 2026 | 1d | 2,108 | $135 | $285K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell F | February 1, 2026 | February 3, 2026 | 2d | 2,769 | $132 | $365K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell F | February 1, 2026 | February 3, 2026 | 2d | 1,659 | $132 | $219K | Form 4 ↗ | ||
| Thakar Sumedh S | QLYS | Sell F | February 1, 2026 | February 3, 2026 | 2d | 5,662 | $132 | $747K | Form 4 ↗ | ||
| POSEY BRUCE K | QLYS | Sell S | January 20, 2026 | January 22, 2026 | 2d | 106 | $135 | $14K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | January 20, 2026 | January 22, 2026 | 2d | 40 | $134 | $5,346 | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | January 20, 2026 | January 22, 2026 | 2d | 286 | $133 | $38K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | January 20, 2026 | January 22, 2026 | 2d | 669 | $132 | $88K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | January 14, 2026 | January 16, 2026 | 2d | 200 | $135 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | January 14, 2026 | January 16, 2026 | 2d | 3,200 | $134 | $429K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | January 14, 2026 | January 16, 2026 | 2d | 1,200 | $133 | $160K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | January 14, 2026 | January 16, 2026 | 2d | 400 | $132 | $53K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | January 2, 2026 | January 5, 2026 | 3d | 100 | $133 | $13K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | January 2, 2026 | January 5, 2026 | 3d | 2,397 | $131 | $314K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | January 2, 2026 | January 5, 2026 | 3d | 2,256 | $130 | $294K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 22, 2025 | December 23, 2025 | 1d | 126 | $143 | $18K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 22, 2025 | December 23, 2025 | 1d | 706 | $143 | $101K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 22, 2025 | December 23, 2025 | 1d | 245 | $141 | $35K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Option / conversion M | December 15, 2025 | December 16, 2025 | 1d | 6,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 600 | $152 | $91K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 200 | $150 | $30K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 357 | $150 | $53K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 1,243 | $148 | $184K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 1,400 | $147 | $206K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 2,100 | $146 | $307K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | December 15, 2025 | December 16, 2025 | 1d | 2,600 | $145 | $378K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Option / conversion M | December 15, 2025 | December 16, 2025 | 1d | 6,500 | $26 | $166K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 9, 2025 | December 10, 2025 | 1d | 4,153 | $150 | $625K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 9, 2025 | December 10, 2025 | 1d | 3,296 | $150 | $493K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 9, 2025 | December 10, 2025 | 1d | 1,200 | $148 | $178K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 4, 2025 | December 5, 2025 | 1d | 1,000 | $150 | $150K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 3, 2025 | December 5, 2025 | 2d | 384 | $149 | $57K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 3, 2025 | December 5, 2025 | 2d | 179 | $149 | $27K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 3, 2025 | December 5, 2025 | 2d | 99 | $148 | $15K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 3, 2025 | December 5, 2025 | 2d | 276 | $146 | $40K | 10b5-1 plan | Form 4 ↗ | |
| POSEY BRUCE K | QLYS | Sell S | December 3, 2025 | December 5, 2025 | 2d | 2,139 | $145 | $310K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 2, 2025 | December 3, 2025 | 1d | 481 | $148 | $71K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 2, 2025 | December 3, 2025 | 1d | 4,126 | $147 | $607K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 2, 2025 | December 3, 2025 | 1d | 2,299 | $146 | $336K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | December 2, 2025 | December 3, 2025 | 1d | 600 | $145 | $87K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 1,400 | $144 | $202K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 2,594 | $143 | $372K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 900 | $142 | $128K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 600 | $142 | $85K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 700 | $140 | $98K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 800 | $139 | $111K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell S | November 21, 2025 | November 24, 2025 | 3d | 700 | $138 | $96K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Option / conversion M | November 14, 2025 | November 17, 2025 | 3d | 6,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | November 14, 2025 | November 17, 2025 | 3d | 300 | $144 | $43K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | November 14, 2025 | November 17, 2025 | 3d | 5,117 | $143 | $733K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | November 14, 2025 | November 17, 2025 | 3d | 1,661 | $142 | $236K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | November 14, 2025 | November 17, 2025 | 3d | 1,422 | $141 | $201K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Option / conversion M | November 14, 2025 | November 17, 2025 | 3d | 6,500 | $26 | $166K | 10b5-1 plan | Form 4 ↗ | |
| Thakar Sumedh S | QLYS | Sell S | November 12, 2025 | November 13, 2025 | 1d | 2,200 | $155 | $341K | 10b5-1 plan | Form 4 ↗ | |
| Kim Joo Mi | QLYS | Sell F | November 1, 2025 | November 4, 2025 | 3d | 3,802 | $123 | $469K | Form 4 ↗ |
Showing the 200 most recent of 214.
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "QUALYS, INC.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "QUALYS, INC." as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded QLYS, by number of filers in common. It shows overlap in public filings and nothing else.
- NETFLIX INC NFLX 2 filers in common
- CINTAS CORP CTAS 2 filers in common
- Alphabet Inc. GOOGL 2 filers in common
- JOHNSON & JOHNSON JNJ 2 filers in common
- PayPal Holdings, Inc. PYPL 2 filers in common
- Apple Inc. AAPL 2 filers in common
- MICROSOFT CORP MSFT 2 filers in common
- VISA INC. V 2 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 2 | 4 | October 22, 2025 | November 21, 2025 | House Clerk search |
| Senate eFD, periodic transaction reports | 1 | 1 | August 5, 2026 | August 5, 2026 | Senate eFD search |
| SEC EDGAR, Form 4 | 71 | 214 | October 7, 2025 | October 21, 2026 | Form 4 list on EDGAR |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.