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Qualys, Inc.

QLYS
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001107843

In the last 90 days, Qualys, Inc. insiders filed 0 open-market purchases and 14 sales; 436 institutions reported holding it in 13F filings for Q2 2026, worth $5.06B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Qualys, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
14 filings
5 insiders, $7.15M in total
Insiders trading
5
Net value
−$7.15M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Qualys, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Qualys, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Posey Bruce KCHIEF LEGAL OFFICER58,688Sep 22, 202619
Thakar Sumedh SCEO & PRESIDENT180,338Sep 15, 202619
Berquist ThomasDirector6,270Sep 3, 20263
Kim Joo MiCHIEF FINANCIAL OFFICER74,713Sep 3, 202617
Pfeiffer WendyDirector11,710Aug 21, 20265
Hank Jeffrey PDirector15,576Jun 15, 20262
Rogers Kristi MarieDirector11,224Jun 11, 20261
Brooks Bradford L.Director5,826Jun 11, 20262
Zangardi John A.Director6,699Jun 11, 20261
Pace PeterDirector17,118Jun 9, 20230
Berutti WilliamDirector6,561Jun 9, 20230
Peters AllanChief Revenue Officer44,854Mar 2, 20230
Bergeron Sandra E.Director27,904Jun 10, 20220
Paul SaikatChief Accounting Officer10,326Feb 17, 20220
Philippe Courtot Family Trust10% Owner3,850,339Nov 8, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 25, 2025 (view filing)Aug 223 daysZangardi John A.DirectorSSale−3.86K$134.82−$520.4K−35.0%7.17K after
Aug 25, 2025 (view filing)Aug 223 daysRogers Kristi MarieDirectorSSale−1.70K$134.70−$229.0K−16.5%8.60K after
Aug 21, 2025 (view filing)Aug 201 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−525$132.28−$69.4K−0.9%57.8K after3 lots10b5-1
Aug 18, 2025 (view filing)Aug 153 daysPfeiffer WendyDirectorSSale−200$129.72−$25.9K−1.8%11.1K after10b5-1
Aug 15, 2025 (view filing)Aug 141 dayThakar Sumedh SCEO & PRESIDENTSSale−8.50K$129.95−$1.10M−3.9%207.9K after2 lots10b5-1
Aug 15, 2025 (view filing)Aug 132 daysZangardi John A.DirectorSSale−1.29K$132.03−$169.9K−10.4%11.0K after
Aug 6, 2025 (view filing)Aug 51 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.02K$132.26−$134.6K−1.1%94.5K after4 lots10b5-1
Jul 23, 2025 (view filing)Jul 212 daysPosey Bruce KCHIEF LEGAL OFFICERSSale−541$140.11−$75.8K−0.9%60.6K after2 lots10b5-1
Jul 15, 2025 (view filing)Jul 15Same dayPfeiffer WendyDirectorSSale−200$139.45−$27.9K−1.7%11.3K after10b5-1
Jul 15, 2025 (view filing)Jul 141 dayThakar Sumedh SCEO & PRESIDENTSSale−8.50K$138.40−$1.18M−3.8%216.0K after4 lots10b5-1
Jul 7, 2025 (view filing)Jul 7Same dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−787$148.23−$116.7K−0.8%99.3K after4 lots10b5-1
Jul 7, 2025 (view filing)Jul 34 daysThakar Sumedh SCEO & PRESIDENTSSale−12.0K$149.25−$1.79M−5.2%218.0K after4 lots10b5-1
Jun 23, 2025 (view filing)Jun 203 daysPosey Bruce KCHIEF LEGAL OFFICERSSale−525$135.96−$71.4K−0.9%61.2K after3 lots10b5-1
Jun 17, 2025 (view filing)Jun 161 dayHank Jeffrey PDirectorSSale−657$139.07−$91.4K−4.5%13.9K after10b5-1
Jun 17, 2025 (view filing)Jun 161 dayThakar Sumedh SCEO & PRESIDENTSSale−8.50K$139.47−$1.19M−3.6%230.0K after3 lots10b5-1
Jun 16, 2025 (view filing)Jun 133 daysBerquist ThomasDirectorSSale−656$138.78−$91.0K−10.5%5.60K after10b5-1
Jun 16, 2025 (view filing)Jun 133 daysPfeiffer WendyDirectorSSale−200$138.78−$27.8K−1.7%11.5K after10b5-1
Jun 6, 2025 (view filing)Jun 51 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−845$139.96−$118.3K−0.8%100.1K after2 lots10b5-1
Jun 3, 2025 (view filing)Jun 21 dayThakar Sumedh SCEO & PRESIDENTSSale−6.00K$140.20−$841.2K−2.5%232.0K after10b5-1
Jun 2, 2025 (view filing)May 294 daysThakar Sumedh SCEO & PRESIDENTSSale−8.50K$136.30−$1.16M−3.4%238.0K after3 lots10b5-1
May 21, 2025 (view filing)May 201 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−525$137.85−$72.4K−0.8%61.7K after3 lots10b5-1
May 6, 2025 (view filing)May 51 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.02K$126.75−$129.0K−1.0%100.9K after10b5-1
May 6, 2025 (view filing)May 51 dayHank Jeffrey PDirectorSSale−4.00K$128.93−$515.7K−24.0%12.7K after3 lots10b5-1
Apr 22, 2025 (view filing)Apr 211 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−540$117.86−$63.6K−0.8%64.5K after4 lots10b5-1
Apr 15, 2025 (view filing)Apr 141 dayThakar Sumedh SCEO & PRESIDENTSSale−7.00K$123.81−$866.7K−2.8%246.3K after3 lots10b5-1
Apr 10, 2025 (view filing)Apr 8-92 daysKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.47K$124.50−$182.9K−1.4%105.7K after6 lots10b5-1
Apr 8, 2025 (view filing)Apr 71 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−162$120.04−$19.4K−0.2%107.2K after10b5-1
Mar 21, 2025 (view filing)Mar 201 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−524$129.38−$67.8K−0.8%65.1K after2 lots10b5-1
Mar 18, 2025 (view filing)Mar 144 daysThakar Sumedh SCEO & PRESIDENTSSale−7.00K$125.18−$876.3K−2.8%246.3K after4 lots10b5-1
Mar 6, 2025 (view filing)Mar 51 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.02K$130.53−$132.8K−0.9%107.4K after2 lots10b5-1
Feb 24, 2025 (view filing)Feb 204 daysPosey Bruce KCHIEF LEGAL OFFICERSSale−525$139.48−$73.2K−0.8%65.4K after4 lots10b5-1
Feb 18, 2025 (view filing)Feb 144 daysThakar Sumedh SCEO & PRESIDENTSSale−7.00K$142.17−$995.2K−2.8%246.1K after4 lots10b5-1
Feb 14, 2025 (view filing)Feb 131 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−4.54K$140.08−$636.2K−4.0%108.2K after10b5-1
Feb 11, 2025 (view filing)Feb 101 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−4.49K$140.00−$628.2K−3.8%112.8K after10b5-1
Feb 10, 2025 (view filing)Aug 13, 2024181 daysLateZangardi John A.DirectorPPurchase+5$125.58+$627.9New position5 after
Jan 22, 2025 (view filing)Jan 211 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−882$139.66−$123.2K−1.4%62.3K after3 lots10b5-1
Jan 15, 2025 (view filing)Jan 141 dayThakar Sumedh SCEO & PRESIDENTSSale−7.00K$134.49−$941.4K−3.0%225.5K after3 lots10b5-1
Jan 7, 2025 (view filing)Jan 61 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.64K$138.64−$226.7K−1.4%112.0K after5 lots10b5-1
Dec 23, 2024 (view filing)Dec 203 daysPosey Bruce KCHIEF LEGAL OFFICERSSale−855$142.23−$121.6K−1.3%63.2K after3 lots10b5-1
Dec 17, 2024 (view filing)Dec 161 dayThakar Sumedh SCEO & PRESIDENTSSale−7.00K$147.16−$1.03M−3.0%225.5K after4 lots10b5-1
Dec 6, 2024 (view filing)Dec 51 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.33K$157.37−$209.6K−1.2%113.7K after2 lots10b5-1
Dec 3, 2024 (view filing)Dec 21 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−8.55K$154.62−$1.32M−11.8%64.0K after5 lots10b5-1
Nov 18, 2024 (view filing)Nov 153 daysHank Jeffrey PDirectorSSale−4.00K$146.32−$585.3K−24.0%12.7K after4 lots10b5-1
Nov 18, 2024 (view filing)Nov 144 daysThakar Sumedh SCEO & PRESIDENTSSale−7.00K$149.66−$1.05M−3.0%225.5K after3 lots10b5-1
Nov 7, 2024 (view filing)Nov 61 dayThakar Sumedh SCEO & PRESIDENTSSale−7.14K$167.37−$1.20M−3.1%225.5K after2 lots10b5-1
Nov 7, 2024 (view filing)Nov 61 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−1.48K$165.00−$244.2K−1.3%115.0K after10b5-1
Oct 22, 2024 (view filing)Oct 211 dayPosey Bruce KCHIEF LEGAL OFFICERSSale−1.34K$123.56−$165.4K−2.4%55.3K after3 lots10b5-1
Oct 15, 2024 (view filing)Oct 141 dayThakar Sumedh SCEO & PRESIDENTSSale−7.00K$125.21−$876.5K−3.8%179.6K after4 lots10b5-1
Oct 8, 2024 (view filing)Oct 71 dayKim Joo MiCHIEF FINANCIAL OFFICERSSale−634$122.19−$77.5K−0.7%85.9K after4 lots10b5-1
Sep 23, 2024 (view filing)Sep 203 daysPosey Bruce KCHIEF LEGAL OFFICERSSale−1.33K$123.80−$164.7K−2.3%55.6K after2 lots10b5-1