Qualys, Inc. (QLYS) insider trading.
In Q3 2026, insiders at Qualys, Inc. reported 58 non-derivative transactions on 17 Forms 3, 4 and 5: 0 open-market purchases and 55 sales worth $7.1M.
- Transactions
- 58
- Purchases (P)
- 0
- Sales (S)
- 55
- Net shares, P minus S
- -48,347
- Insiders
- 5
- Last filed
- 2026-09-22
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Thakar Sumedh S | Director, Officer · CEO & PRESIDENT | 27 | 0 | 26 |
| Posey Bruce K | Officer · CHIEF LEGAL OFFICER | 15 | 0 | 14 |
| Kim Joo Mi | Officer · CHIEF FINANCIAL OFFICER | 13 | 0 | 12 |
| Pfeiffer Wendy | Director | 2 | 0 | 2 |
| Berquist Thomas | Director | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-21 | Posey Bruce K | S (D) | 199 | $181.03 | 58,688 | Form 4 |
| 2026-09-21 | Posey Bruce K | S (D) | 327 | $179.95 | 58,887 | Form 4 |
| 2026-09-21 | Posey Bruce K | S (D) | 241 | $178.96 | 59,214 | Form 4 |
| 2026-09-21 | Posey Bruce K | S (D) | 27 | $177.98 | 59,455 | Form 4 |
| 2026-09-21 | Posey Bruce K | S (D) | 72 | $175.54 | 59,482 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 100 | $174.71 | 180,338 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 500 | $173.92 | 180,438 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 1,500 | $172.92 | 180,938 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 100 | $170.9 | 182,438 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 200 | $169.35 | 182,538 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 100 | $167.58 | 182,738 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 100 | $165.94 | 182,838 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 100 | $154.39 | 183,438 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 300 | $162.43 | 182,938 | Form 4 |
| 2026-09-14 | Thakar Sumedh S | S (D) | 200 | $159.28 | 183,238 | Form 4 |
| 2026-09-02 | Berquist Thomas | S (D) | 511 | $175.27 | 6,270 | Form 4 |
| 2026-09-02 | Kim Joo Mi | S (D) | 293 | $167.49 | 75,450 | Form 4 |
| 2026-09-02 | Kim Joo Mi | S (D) | 166 | $168.75 | 75,284 | Form 4 |
| 2026-09-02 | Kim Joo Mi | S (D) | 204 | $170.05 | 75,080 | Form 4 |
| 2026-09-02 | Kim Joo Mi | S (D) | 102 | $172.37 | 74,713 | Form 4 |
| 2026-09-02 | Kim Joo Mi | S (D) | 265 | $171.14 | 74,815 | Form 4 |
| 2026-08-20 | Posey Bruce K | S (D) | 280 | $185.91 | 59,554 | Form 4 |
| 2026-08-20 | Posey Bruce K | S (D) | 96 | $184.25 | 59,834 | Form 4 |
| 2026-08-20 | Posey Bruce K | S (D) | 97 | $181.99 | 60,323 | Form 4 |
| 2026-08-20 | Posey Bruce K | S (D) | 393 | $183.58 | 59,930 | Form 4 |
| 2026-08-20 | Pfeiffer Wendy | S (D) | 500 | $185 | 11,710 | Form 4 |
| 2026-08-14 | Thakar Sumedh S | S (D) | 794 | $188.07 | 185,538 | Form 4 |
| 2026-08-14 | Thakar Sumedh S | S (D) | 406 | $186.28 | 186,332 | Form 4 |
| 2026-08-14 | Thakar Sumedh S | S (D) | 1,300 | $189.41 | 184,238 | Form 4 |
| 2026-08-14 | Thakar Sumedh S | S (D) | 600 | $190.49 | 183,638 | Form 4 |
| 2026-08-14 | Thakar Sumedh S | S (D) | 100 | $192.27 | 183,538 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 100 | $147.22 | 77,270 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 100 | $148.54 | 77,170 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 100 | $155.12 | 75,743 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 300 | $152.78 | 76,670 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 827 | $154.51 | 75,843 | Form 4 |
| 2026-08-03 | Kim Joo Mi | S (D) | 200 | $151.47 | 76,970 | Form 4 |
| 2026-08-01 | Posey Bruce K | F (D) | 2,269 | $144.75 | 60,420 | Form 4 |
| 2026-08-01 | Thakar Sumedh S | F (D) | 6,748 | $144.75 | 186,738 | Form 4 |
| 2026-08-01 | Kim Joo Mi | F (D) | 3,845 | $144.75 | 77,370 | Form 4 |
| 2026-07-20 | Posey Bruce K | S (D) | 243 | $156.71 | 63,328 | Form 4 |
| 2026-07-20 | Posey Bruce K | S (D) | 43 | $160.18 | 62,689 | Form 4 |
| 2026-07-20 | Posey Bruce K | S (D) | 262 | $159.35 | 62,732 | Form 4 |
| 2026-07-20 | Posey Bruce K | S (D) | 334 | $158.06 | 62,994 | Form 4 |
| 2026-07-20 | Pfeiffer Wendy | S (D) | 500 | $158.19 | 12,210 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 200 | $163.57 | 193,486 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 200 | $162.4 | 193,686 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 100 | $155.3 | 196,386 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 200 | $157.75 | 196,186 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 730 | $160.81 | 195,456 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 100 | $151.53 | 196,486 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 100 | $149.3 | 196,586 | Form 4 |
| 2026-07-14 | Thakar Sumedh S | S (D) | 1,570 | $161.69 | 193,886 | Form 4 |
| 2026-07-06 | Posey Bruce K | S (D) | 1,000 | $155 | 63,571 | Form 4 |
| 2026-07-02 | Kim Joo Mi | S (D) | 965 | $143.44 | 81,215 | Form 4 |
| 2026-06-30 | Thakar Sumedh S | S (D) | 10,000 | $140 | 196,686 | Form 4 |
| 2026-06-30 | Thakar Sumedh S | S (D) | 10,000 | $130 | 216,686 | Form 4 |
| 2026-06-30 | Thakar Sumedh S | S (D) | 10,000 | $135 | 206,686 | Form 4 |
Transaction codes in this quarter
Get QLYS insider transactions through the API
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curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1107843&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · QLYS company page · Qualys, Inc. on SEC.gov
Questions
Are insiders buying or selling Qualys, Inc. (QLYS)?
In Q3 2026, insiders at Qualys, Inc. reported 58 non-derivative transactions on 17 Forms 3, 4 and 5: 0 open-market purchases and 55 sales worth $7.1M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Qualys, Inc. insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.
Plain-text version for agents and LLMs: /insider-trading/qlys.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.