Qualys, Inc. (QLYS) Insider Ownership

Historic Ownership Trends

According to recent filings covering the 90 days ending December 17, 2025, the three most significant insider holders at Qualys are CEO & President Sumedh S Thakar (252.80K shares), Chief Financial Officer Joo Mi Kim (99.42K shares), Chief Legal Officer Bruce K Posey (70.78K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Philippe F Courtot 5,156,645 25 Mar, 2021
Courtot Family Trust Philippe 3,850,339 08 Nov, 2021
Sumedh S Thakar CEO & President 252,800 16 Dec, 2025
Joo Mi Kim Chief Financial Officer 99,425 10 Dec, 2025
Bruce K Posey Chief Legal Officer 70,776 05 Dec, 2025
Allan Peters Chief Revenue Officer 44,854 02 Mar, 2023
Sandra E. Bergeron 27,904 10 Jun, 2022
Peter Pace 17,118 09 Jun, 2023
Jeffrey P Hank 13,888 17 Jun, 2025
Wendy Pfeiffer 11,082 18 Aug, 2025
Saikat Paul Chief Accounting Officer 10,326 17 Feb, 2022
Kristi Marie Rogers 8,596 25 Aug, 2025
William Berutti 6,561 09 Jun, 2023
Thomas Berquist 5,092 03 Sep, 2025
John A. Zangardi 4,071 29 Aug, 2025
Bradford L. Brooks 3,198 03 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
15 Dec, 2025 Sumedh S Thakar Common Stock A 6,500 $25.56 261,300 D M
15 Dec, 2025 Sumedh S Thakar Common Stock D 2,600 $145.49 258,700 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 2,100 $146.33 256,600 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 1,400 $147.16 255,200 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 1,243 $148.33 253,957 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 357 $149.54 253,600 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 200 $150.10 253,400 D S
15 Dec, 2025 Sumedh S Thakar Common Stock D 600 $151.94 252,800 D S
09 Dec, 2025 Joo Mi Kim Common Stock D 1,200 $148.27 106,874 D S
09 Dec, 2025 Joo Mi Kim Common Stock D 3,296 $149.61 103,578 D S
09 Dec, 2025 Joo Mi Kim Common Stock D 4,153 $150.42 99,425 D S
03 Dec, 2025 Bruce K Posey Common Stock D 2,139 $145.04 72,714 D S
03 Dec, 2025 Bruce K Posey Common Stock D 276 $146.37 72,438 D S
03 Dec, 2025 Bruce K Posey Common Stock D 99 $147.94 72,339 D S
03 Dec, 2025 Bruce K Posey Common Stock D 179 $148.53 72,160 D S
03 Dec, 2025 Bruce K Posey Common Stock D 384 $149.35 71,776 D S
04 Dec, 2025 Bruce K Posey Common Stock D 1,000 $150.00 70,776 D S
02 Dec, 2025 Joo Mi Kim Common Stock D 600 $144.90 114,980 D S
02 Dec, 2025 Joo Mi Kim Common Stock D 2,299 $145.95 112,681 D S
02 Dec, 2025 Joo Mi Kim Common Stock D 4,126 $147.06 108,555 D S