QLYS
QUALYS, INC. · Technology · Market cap $6.8B
Insiders sold $2.8M net in the last 90 days ·5 sellers, 0 buyers· 10 of 10 sales under Rule 10b5-1 plans· latest Form 4 filed Oct 21, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$23.2M
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Oct 21, 2026
POSEY BRUCE K
QUALYS, INC. (QLYS) has 68 SEC Form 4 filings (204 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Oct 21, 2026.
Inside the rolling window, 6 insiders at QUALYS, INC. reported no open-market purchases and 47 open-market sales totaling $23.2M. The most active filer is CHIEF LEGAL OFFICER POSEY BRUCE K with 15 filings. Insiders have net sold $13.3M over the trailing 6 months. The most recent open-market filing is a sale of 881 shares by CHIEF LEGAL OFFICER POSEY BRUCE K, dated Oct 20, 2026, worth $167K.
- Industry:Software - Infrastructure
- CEO:Sumedh S. Thakar
- Employees:2,718
- HQ:Foster City, CA, US
- IPO:2012-09-28
| Source | |||||||
|---|---|---|---|---|---|---|---|
| CHIEF LEGAL OFFICER | Sale | 881 | $167K | Oct 21 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 3,200 | $609K | Oct 15 | +2.1% | SEC ↗ | |
| CHIEF LEGAL OFFICER | Sale | 866 | $155K | Sep 23 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 3,200 | $544K | Sep 16 | — | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 1,030 | $175K | Sep 3 | — | SEC ↗ | |
| Director | Sale | 511 | $90K | Sep 3 | — | SEC ↗ | |
| Director | Sale | 500 | $93K | Aug 21 | — | SEC ↗ | |
| CHIEF LEGAL OFFICER | Sale | 866 | $160K | Aug 21 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 3,200 | $605K | Aug 17 | — | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 1,627 | $249K | Aug 4 | — | SEC ↗ | |
| CHIEF LEGAL OFFICER | Sale | 882 | $140K | Jul 21 | — | SEC ↗ | |
| Director | Sale | 500 | $79K | Jul 21 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 3,200 | $514K | Jul 15 | — | SEC ↗ | |
| CHIEF LEGAL OFFICER | Sale | 1,000 | $155K | Jul 6 | — | SEC ↗ | |
| CHIEF FINANCIAL OFFICER | Sale | 965 | $138K | Jul 6 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 30,000 | $4.0M | Jul 2 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 10,000 | $1.3M | Jun 30 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 10,000 | $1.2M | Jun 29 | — | SEC ↗ | |
| CHIEF LEGAL OFFICER | Sale | 865 | $95K | Jun 23 | — | SEC ↗ | |
| Director | Sale | 500 | $55K | Jun 23 | — | SEC ↗ | |
| CEO & PRESIDENT | Sale | 3,200 | $367K | Jun 16 | — | SEC ↗ | |
Hank Jeffrey PFirst filing | Director | Sale | 470 | $51K | Jun 15 | — | SEC ↗ |
Hank Jeffrey PFirst filing | Director | Sale | 470 | $52K | Jun 15 | — | SEC ↗ |
Berquist ThomasFirst filing | Director | Sale | 939 | $104K | Jun 15 | — | SEC ↗ |
| CHIEF FINANCIAL OFFICER | Sale | 1,031 | $115K | Jun 3 | — | SEC ↗ |
Earnings: last 7 quarters
Congress trading QLYS 4 all-time
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-09-11
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-09-11
- RSen. Thomas Hawley TubervilleOther$1,001 - $15,0002024-05-03
- RSen. Thomas Hawley TubervillePurchase$1,001 - $15,0002024-04-05
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does QLYS have?
QUALYS, INC. (QLYS) has 68 SEC Form 4 filings (204 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Oct 21, 2026.
When was the most recent SEC Form 4 filing for QLYS?
The most recent Form 4 filing for QLYS on Tracefour is dated Oct 21, 2026.
Who is the most active insider at QLYS?
The most active SEC Form 4 filer at QLYS in the rolling window is CHIEF LEGAL OFFICER POSEY BRUCE K, with 15 filings.
What is the net insider flow at QLYS over the last 6 months?
Over the trailing 180 days, insiders at QLYS have net sold $13.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at QLYS in the current window?
Inside the rolling window, insiders at QLYS bought $0 and sold $23.2M based on SEC Form 4 filings.
Can I get alerts for QLYS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at QUALYS, INC. (QLYS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
QUALYS, INC. is in the Technology sector.