SEC Form 4 · accession 0001558242-26-000024
QUALYS, INC. · QLYS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Sumedh S Thakar
Officer — CEO & PRESIDENT · Director
Period of report
Sep 14, 2026
Accepted (ET)
Sep 15, 2026 · 8:21 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001107843
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 14, 2026 | S | 100 | $154.39 | D | 183,438 | D | |
| Common StockF2 | Sep 14, 2026 | S | 200 | $159.275 | D | 183,238 | D | |
| Common StockF3 | Sep 14, 2026 | S | 300 | $162.43 | D | 182,938 | D | |
| Common Stock | Sep 14, 2026 | S | 100 | $165.94 | D | 182,838 | D | |
| Common Stock | Sep 14, 2026 | S | 100 | $167.58 | D | 182,738 | D | |
| Common StockF4 | Sep 14, 2026 | S | 200 | $169.345 | D | 182,538 | D | |
| Common Stock | Sep 14, 2026 | S | 100 | $170.90 | D | 182,438 | D | |
| Common StockF5 | Sep 14, 2026 | S | 1,500 | $172.9247 | D | 180,938 | D | |
| Common StockF6 | Sep 14, 2026 | S | 500 | $173.92 | D | 180,438 | D | |
| Common Stock | Sep 14, 2026 | S | 100 | $174.71 | D | 180,338 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2026.
- F2The sale price represents the weighted average price of the shares sold ranging from $158.98 to $159.57 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
- F3The sale price represents the weighted average price of the shares sold ranging from $162.20 to $162.55 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
- F4The sale price represents the weighted average price of the shares sold ranging from $169.30 to $169.39 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
- F5The sale price represents the weighted average price of the shares sold ranging from $172.60 to $173.52 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.
- F6The sale price represents the weighted average price of the shares sold ranging from $173.68 to $174.43 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.