Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-06-20 Sale | 2025-06-23 6:16 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 525 | $135.96 | $71,380 | 61,184 (Direct) | View |
2025-06-16 Sale | 2025-06-17 6:12 pm | QUALYS INC. | QLYS | Hank Jeffrey P Director | 657 | $139.07 | $91,369 | 13,888 (Direct) | View |
2025-06-16 Sale | 2025-06-17 6:10 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 8,500 | $139.47 | $1,185,502 | 268,962 (Direct) | View |
2025-06-13 Sale | 2025-06-16 4:02 pm | QUALYS INC. | QLYS | Berquist Thomas Director | 656 | $138.78 | $91,040 | 5,604 (Direct) | View |
2025-06-13 Sale | 2025-06-16 4:00 pm | QUALYS INC. | QLYS | Pfeiffer Wendy Director | 200 | $138.78 | $27,756 | 11,482 (Direct) | View |
2025-06-05 Sale | 2025-06-06 6:38 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 845 | $139.96 | $118,263 | 100,075 (Direct) | View |
2025-06-02 Sale | 2025-06-03 4:40 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,000 | $140.2 | $841,200 | 231,962 (Direct) | View |
2025-05-29 Sale | 2025-06-02 5:23 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 8,500 | $136.3 | $1,158,562 | 283,462 (Direct) | View |
2025-05-20 Sale | 2025-05-21 5:28 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 525 | $137.85 | $72,373 | 61,709 (Direct) | View |
2025-05-05 Sale | 2025-05-06 7:38 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 1,018 | $126.75 | $129,032 | 100,920 (Direct) | View |
2025-05-05 Sale | 2025-05-06 7:37 pm | QUALYS INC. | QLYS | Hank Jeffrey P Director | 4,000 | $128.93 | $515,717 | 12,666 (Direct) | View |
2025-04-21 Sale | 2025-04-22 6:33 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 540 | $117.86 | $63,644 | 64,513 (Direct) | View |
2025-04-14 Sale | 2025-04-15 5:18 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $123.81 | $866,664 | 298,313 (Direct) | View |
2025-04-08 Sale | 2025-04-10 6:36 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 1,469 | $124.5 | $182,888 | 105,740 (Direct) | View |
2025-04-07 Sale | 2025-04-08 4:52 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 162 | $120.04 | $19,447 | 107,209 (Direct) | View |
2025-03-20 Sale | 2025-03-21 5:40 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 524 | $129.38 | $67,795 | 65,053 (Direct) | View |
2025-03-14 Sale | 2025-03-18 4:56 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $125.18 | $876,272 | 305,313 (Direct) | View |
2025-03-05 Sale | 2025-03-06 4:15 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 1,017 | $130.53 | $132,752 | 107,371 (Direct) | View |
2025-02-20 Sale | 2025-02-24 5:17 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 525 | $139.48 | $73,229 | 65,373 (Direct) | View |
2025-02-14 Sale | 2025-02-18 6:28 pm | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $142.17 | $995,160 | 312,313 (Direct) | View |
2025-02-13 Sale | 2025-02-14 6:46 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 4,542 | $140.08 | $636,240 | 108,215 (Direct) | View |
2025-02-10 Sale | 2025-02-11 6:20 pm | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 4,487 | $140 | $628,180 | 112,757 (Direct) | View |
2024-08-13 Purchase | 2025-02-10 4:18 pm | QUALYS INC. | QLYS | Zangardi John A. Director | 5 | $125.58 | $628 | 10,447 (Indirect Direct) | View |
2025-01-21 Sale | 2025-01-22 5:55 pm | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 882 | $139.66 | $123,179 | 62,295 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-06-16 Exercise | 2025-06-17 6:10 pm | N/A 2026-04-28 | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,500 | $0 | 268,962 (Direct) | View |
2025-06-16 Exercise | 2025-06-17 6:10 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,500 | $25.56 | 268,962 (Direct) | View |
2025-06-11 Option Award | 2025-06-13 4:18 pm | N/A N/A | QUALYS INC. | QLYS | Zangardi John A. Director | 1,879 | $0 | 12,326 (Direct) | View |
2025-06-11 Option Award | 2025-06-13 4:16 pm | N/A N/A | QUALYS INC. | QLYS | Rogers Kristi Marie Director | 1,879 | $0 | 10,296 (Direct) | View |
2025-06-11 Option Award | 2025-06-13 4:15 pm | N/A N/A | QUALYS INC. | QLYS | Pfeiffer Wendy Director | 1,879 | $0 | 11,682 (Direct) | View |
2025-06-11 Option Award | 2025-06-13 4:13 pm | N/A N/A | QUALYS INC. | QLYS | Hank Jeffrey P Director | 1,879 | $0 | 14,545 (Direct) | View |
2025-06-11 Option Award | 2025-06-13 4:12 pm | N/A N/A | QUALYS INC. | QLYS | Berquist Thomas Director | 1,879 | $0 | 6,260 (Direct) | View |
2025-05-29 Exercise | 2025-06-02 5:23 pm | N/A 2026-04-28 | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,500 | $0 | 283,462 (Direct) | View |
2025-05-29 Exercise | 2025-06-02 5:23 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,500 | $25.56 | 283,462 (Direct) | View |
2025-05-05 Exercise | 2025-05-06 7:37 pm | N/A N/A | QUALYS INC. | QLYS | Hank Jeffrey P Director | 4,000 | $40.68 | 12,666 (Direct) | View |
2025-05-05 Exercise | 2025-05-06 7:37 pm | N/A 2025-06-04 | QUALYS INC. | QLYS | Hank Jeffrey P Director | 4,000 | $0 | 12,666 (Direct) | View |
2025-05-01 Tax Withholding | 2025-05-05 4:54 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,351 | $127.02 | 239,962 (Direct) | View |
2025-05-01 Tax Withholding | 2025-05-05 4:52 pm | N/A N/A | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 2,279 | $127.02 | 62,234 (Direct) | View |
2025-05-01 Tax Withholding | 2025-05-05 4:51 pm | N/A N/A | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 3,802 | $127.02 | 101,938 (Direct) | View |
2025-04-14 Exercise | 2025-04-15 5:18 pm | N/A 2026-04-28 | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $25.56 | 298,313 (Direct) | View |
2025-03-14 Exercise | 2025-03-18 4:56 pm | N/A 2026-04-28 | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $25.56 | 305,313 (Direct) | View |
2025-02-15 Option Award | 2025-02-18 6:31 pm | N/A N/A | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 204 | $103.94 | 66,102 (Direct) | View |
2025-02-15 Option Award | 2025-02-18 6:29 pm | N/A N/A | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 173 | $103.94 | 108,388 (Direct) | View |
2025-02-14 Exercise | 2025-02-18 6:28 pm | N/A 2026-04-28 | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 7,000 | $25.56 | 312,313 (Direct) | View |
2025-02-15 Option Award | 2025-02-18 6:28 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 169 | $103.94 | 312,313 (Direct) | View |
2025-02-01 Tax Withholding | 2025-02-03 8:19 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 6,349 | $139.41 | 246,144 (Direct) | View |
2025-02-01 Tax Withholding | 2025-02-03 8:18 pm | N/A N/A | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 3,802 | $139.41 | 117,244 (Direct) | View |
2025-02-01 Tax Withholding | 2025-02-03 8:17 pm | N/A N/A | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 2,277 | $139.41 | 65,898 (Direct) | View |
2025-01-30 Tax Withholding | 2025-01-31 6:34 pm | N/A N/A | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 3,999 | $139.73 | 68,175 (Direct) | View |
2025-01-30 Option Award | 2025-01-31 6:34 pm | N/A N/A | QUALYS INC. | QLYS | POSEY BRUCE K CHIEF LEGAL OFFICER | 9,879 | $0 | 68,175 (Direct) | View |
2025-01-30 Tax Withholding | 2025-01-31 6:31 pm | N/A N/A | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 7,241 | $139.73 | 121,046 (Direct) | View |
2025-01-30 Option Award | 2025-01-31 6:31 pm | N/A N/A | QUALYS INC. | QLYS | Kim Joo Mi CHIEF FINANCIAL OFFICER | 16,270 | $0 | 121,046 (Direct) | View |
2025-01-30 Tax Withholding | 2025-01-31 6:31 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 27,384 | $139.73 | 252,493 (Direct) | View |
2025-01-30 Option Award | 2025-01-31 6:31 pm | N/A N/A | QUALYS INC. | QLYS | Thakar Sumedh S CEO & PRESIDENT | 54,424 | $0 | 252,493 (Direct) | View |