Company profile
Qualys, Inc. Insider Trading
QLYSEvery SEC Form 4 insider trading filing for Qualys, Inc. (QLYS) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Services-Prepackaged Software
- CIK
- 0001107843
- Filings
- 252
- Insiders
- 11
- Last filing
- 2026-09-14
Activity summary
No discretionary insider buying or selling in the last 30 days. The 16 transactions filed were made under a 10b5-1 plan, scheduled in advance rather than decided on the day.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Qualys, Inc. insiders were net sellers in every quarter shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $11.8M.
90 day insight
Over the last 90 days, Qualys, Inc. insiders sold $1.9M across 3 transactions with no open-market purchases.
- Most active insider: Sumedh S Thakar with 24 transactions totaling $2.6M.
- Largest single sale: $977K by Sumedh S Thakar on Aug 1, 2026.
- 94% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bearish — sales outpace buys.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Sumedh S Thakar | QLYS | Sale10b5 | 100 | $170.90 | $17K |
| Sep 14, 2026 | Sumedh S Thakar | QLYS | Sale10b5 | 200 | $169.34 | $34K |
| Sep 14, 2026 | Sumedh S Thakar | QLYS | Sale10b5 | 200 | $159.28 | $32K |
| Sep 14, 2026 | Sumedh S Thakar | QLYS | Sale10b5 | 100 | $165.94 | $17K |
| Sep 14, 2026 | Sumedh S Thakar | QLYS | Sale10b5 | 500 | $173.92 | $87K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=QLYS" \
-H "X-Api-Key: $KEY"Top insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Qualys, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →