Insider at

04

Insider transactions

05
0 buys (P) 43 sells (S) Net: $-2,063,358 + 25 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

25 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 21, 2026 QLYS S 10b5-1 72 $175.54 $12,639 59,482 Direct -0.12% Disposed 13.2% (price as of 2026-10-05)
Sept. 21, 2026 QLYS S 10b5-1 27 $177.98 $4,805 59,455 Direct -0.05% Disposed 11.6% (price as of 2026-10-05)
Sept. 21, 2026 QLYS S 10b5-1 241 $178.96 $43,129 59,214 Direct -0.41% Disposed 11.0% (price as of 2026-10-05)
Sept. 21, 2026 QLYS S 10b5-1 327 $179.95 $58,844 58,887 Direct -0.55% Disposed 10.4% (price as of 2026-10-05)
Sept. 21, 2026 QLYS S 10b5-1 199 $181.03 $36,025 58,688 Direct -0.34% Disposed 9.7% (price as of 2026-10-05)
Aug. 20, 2026 QLYS S 10b5-1 97 $181.99 $17,653 60,323 Direct -0.16% Disposed 9.2% (price as of 2026-10-05)
Aug. 20, 2026 QLYS S 10b5-1 393 $183.58 $72,147 59,930 Direct -0.65% Disposed 8.2% (price as of 2026-10-05)
Aug. 20, 2026 QLYS S 10b5-1 96 $184.25 $17,688 59,834 Direct -0.16% Disposed 7.8% (price as of 2026-10-05)
Aug. 20, 2026 QLYS S 10b5-1 280 $185.91 $52,055 59,554 Direct -0.47% Disposed 6.9% (price as of 2026-10-05)
July 20, 2026 QLYS S 10b5-1 43 $160.18 $6,888 62,689 Direct -0.07% Disposed 24.0% (price as of 2026-10-05)
July 20, 2026 QLYS S 10b5-1 262 $159.35 $41,750 62,732 Direct -0.42% Disposed 24.7% (price as of 2026-10-05)
July 20, 2026 QLYS S 10b5-1 334 $158.06 $52,792 62,994 Direct -0.53% Disposed 25.7% (price as of 2026-10-05)
July 20, 2026 QLYS S 10b5-1 243 $156.71 $38,081 63,328 Direct -0.38% Disposed 26.8% (price as of 2026-10-05)
July 6, 2026 QLYS S 10b5-1 1,000 $155.00 $155,000 63,571 Direct -1.55% Disposed 28.2% (price as of 2026-10-05)
June 22, 2026 QLYS S 10b5-1 123 $111.73 $13,743 64,571 Direct -0.19% Disposed 77.8% (price as of 2026-10-05)
June 22, 2026 QLYS S 10b5-1 41 $110.48 $4,530 64,694 Direct -0.06% Disposed 79.8% (price as of 2026-10-05)
June 22, 2026 QLYS S 10b5-1 188 $109.84 $20,650 64,735 Direct -0.29% Disposed 80.9% (price as of 2026-10-05)
June 22, 2026 QLYS S 10b5-1 465 $108.80 $50,592 64,923 Direct -0.71% Disposed 82.6% (price as of 2026-10-05)
June 22, 2026 QLYS S 10b5-1 48 $107.40 $5,155 65,388 Direct -0.07% Disposed 85.0% (price as of 2026-10-05)
May 20, 2026 QLYS S 10b5-1 858 $100.43 $86,169 65,443 Direct -1.29% Disposed 97.8% (price as of 2026-10-05)
May 20, 2026 QLYS S 10b5-1 7 $101.17 $708 65,436 Direct -0.01% Disposed 96.4% (price as of 2026-10-05)
May 19, 2026 QLYS S 10b5-1 2,334 $100.16 $233,773 66,351 Direct -3.40% Disposed 98.4% (price as of 2026-10-05)
May 19, 2026 QLYS S 10b5-1 50 $101.23 $5,062 66,301 Direct -0.08% Disposed 96.3% (price as of 2026-10-05)
March 13, 2026 QLYS S 10b5-1 65 $100.09 $6,506 70,955 Direct -0.09% Disposed 98.5% (price as of 2026-10-05)
March 5, 2026 QLYS S 10b5-1 100 $100.18 $10,018 71,020 Direct -0.14% Disposed 98.3% (price as of 2026-10-05)
Feb. 20, 2026 QLYS S 10b5-1 210 $103.13 $21,657 71,391 Direct -0.29% Disposed 92.7% (price as of 2026-10-05)
Feb. 20, 2026 QLYS S 10b5-1 175 $104.02 $18,204 71,216 Direct -0.25% Disposed 91.0% (price as of 2026-10-05)
Feb. 20, 2026 QLYS S 10b5-1 96 $105.09 $10,089 71,120 Direct -0.13% Disposed 89.1% (price as of 2026-10-05)
Jan. 20, 2026 QLYS S 10b5-1 669 $131.77 $88,154 69,030 Direct -0.96% Disposed 50.8% (price as of 2026-10-05)
Jan. 20, 2026 QLYS S 10b5-1 286 $132.71 $37,955 68,744 Direct -0.41% Disposed 49.7% (price as of 2026-10-05)
Jan. 20, 2026 QLYS S 10b5-1 40 $133.64 $5,346 68,704 Direct -0.06% Disposed 48.7% (price as of 2026-10-05)
Jan. 20, 2026 QLYS S 10b5-1 106 $134.50 $14,257 68,598 Direct -0.15% Disposed 47.7% (price as of 2026-10-05)
Dec. 22, 2025 QLYS S 10b5-1 245 $141.22 $34,599 70,531 Direct -0.35% Disposed 40.7% (price as of 2026-10-05)
Dec. 22, 2025 QLYS S 10b5-1 706 $142.70 $100,746 69,825 Direct -1.00% Disposed 39.2% (price as of 2026-10-05)
Dec. 22, 2025 QLYS S 10b5-1 126 $143.49 $18,080 69,699 Direct -0.18% Disposed 38.5% (price as of 2026-10-05)
Dec. 4, 2025 QLYS S 10b5-1 1,000 $150.00 $150,000 70,776 Direct -1.39% Disposed 32.5% (price as of 2026-10-05)
Dec. 3, 2025 QLYS S 10b5-1 2,139 $145.04 $310,241 72,714 Direct -2.86% Disposed 37.0% (price as of 2026-10-05)
Dec. 3, 2025 QLYS S 10b5-1 276 $146.37 $40,398 72,438 Direct -0.38% Disposed 35.7% (price as of 2026-10-05)
Dec. 3, 2025 QLYS S 10b5-1 99 $147.94 $14,646 72,339 Direct -0.14% Disposed 34.3% (price as of 2026-10-05)
Dec. 3, 2025 QLYS S 10b5-1 179 $148.53 $26,587 72,160 Direct -0.25% Disposed 33.8% (price as of 2026-10-05)
Dec. 3, 2025 QLYS S 10b5-1 384 $149.35 $57,350 71,776 Direct -0.53% Disposed 33.0% (price as of 2026-10-05)
Oct. 20, 2025 QLYS S 10b5-1 440 $127.01 $55,884 56,875 Direct -0.77% Disposed 56.4% (price as of 2026-10-05)
Oct. 20, 2025 QLYS S 10b5-1 100 $127.63 $12,763 56,775 Direct -0.18% Disposed 55.7% (price as of 2026-10-05)
Sept. 22, 2025 QLYS S 10b5-1 270 $135.94 $36,704 57,570 Direct -0.47% Disposed 46.2% (price as of 2026-10-05)
Sept. 22, 2025 QLYS S 10b5-1 255 $136.44 $34,792 57,315 Direct -0.44% Disposed 45.6% (price as of 2026-10-05)
Aug. 20, 2025 QLYS S 10b5-1 308 $131.89 $40,622 58,057 Direct -0.53% Disposed 50.6% (price as of 2026-10-05)
Aug. 20, 2025 QLYS S 10b5-1 192 $132.74 $25,486 57,865 Direct -0.33% Disposed 49.7% (price as of 2026-10-05)
Aug. 20, 2025 QLYS S 10b5-1 25 $133.62 $3,340 57,840 Direct -0.04% Disposed 48.7% (price as of 2026-10-05)
July 21, 2025 QLYS S 10b5-1 435 $139.97 $60,887 60,749 Direct -0.71% Disposed 41.9% (price as of 2026-10-05)
July 21, 2025 QLYS S 10b5-1 106 $140.70 $14,914 60,643 Direct -0.17% Disposed 41.2% (price as of 2026-10-05)
June 20, 2025 QLYS S 10b5-1 374 $135.50 $50,677 61,335 Direct -0.61% Disposed 46.6% (price as of 2026-10-05)
June 20, 2025 QLYS S 10b5-1 86 $136.83 $11,767 61,249 Direct -0.14% Disposed 45.2% (price as of 2026-10-05)
June 20, 2025 QLYS S 10b5-1 65 $137.44 $8,934 61,184 Direct -0.11% Disposed 44.6% (price as of 2026-10-05)
May 20, 2025 QLYS S 10b5-1 72 $136.89 $9,856 62,162 Direct -0.12% Disposed 45.1% (price as of 2026-10-05)
May 20, 2025 QLYS S 10b5-1 367 $137.86 $50,595 61,795 Direct -0.59% Disposed 44.1% (price as of 2026-10-05)
May 20, 2025 QLYS S 10b5-1 86 $138.62 $11,921 61,709 Direct -0.14% Disposed 43.3% (price as of 2026-10-05)
April 21, 2025 QLYS S 10b5-1 222 $116.83 $25,936 64,831 Direct -0.34% Disposed 70.1% (price as of 2026-10-05)
April 21, 2025 QLYS S 10b5-1 160 $118.14 $18,902 64,671 Direct -0.25% Disposed 68.2% (price as of 2026-10-05)
April 21, 2025 QLYS S 10b5-1 156 $119.01 $18,566 64,515 Direct -0.24% Disposed 66.9% (price as of 2026-10-05)
April 21, 2025 QLYS S 10b5-1 2 $120.02 $240 64,513 Direct 0.00% Disposed 65.5% (price as of 2026-10-05)
March 20, 2025 QLYS S 10b5-1 438 $129.24 $56,607 65,139 Direct -0.67% Disposed 53.7% (price as of 2026-10-05)
March 20, 2025 QLYS S 10b5-1 86 $130.07 $11,186 65,053 Direct -0.13% Disposed 52.7% (price as of 2026-10-05)
Feb. 20, 2025 QLYS S 10b5-1 367 $138.80 $50,940 65,531 Direct -0.56% Disposed 43.1% (price as of 2026-10-05)
Feb. 20, 2025 QLYS S 10b5-1 24 $139.59 $3,350 65,507 Direct -0.04% Disposed 42.3% (price as of 2026-10-05)
Feb. 20, 2025 QLYS S 10b5-1 62 $140.79 $8,729 65,445 Direct -0.09% Disposed 41.1% (price as of 2026-10-05)
Feb. 20, 2025 QLYS S 10b5-1 72 $141.79 $10,209 65,373 Direct -0.11% Disposed 40.1% (price as of 2026-10-05)
Jan. 21, 2025 QLYS S 10b5-1 136 $138.04 $18,773 63,041 Direct -0.22% Disposed 43.9% (price as of 2026-10-05)
Jan. 21, 2025 QLYS S 10b5-1 50 $138.86 $6,943 62,991 Direct -0.08% Disposed 43.1% (price as of 2026-10-05)
Jan. 21, 2025 QLYS S 10b5-1 696 $140.03 $97,461 62,295 Direct -1.10% Disposed 41.9% (price as of 2026-10-05)
Dec. 20, 2024 QLYS S 10b5-1 120 $140.83 $16,900 63,912 Direct -0.19% Disposed 41.1% (price as of 2026-10-05)
Dec. 20, 2024 QLYS S 10b5-1 374 $142.07 $53,134 63,538 Direct -0.59% Disposed 39.8% (price as of 2026-10-05)
Dec. 20, 2024 QLYS S 10b5-1 361 $142.87 $51,576 63,177 Direct -0.57% Disposed 39.1% (price as of 2026-10-05)
Dec. 2, 2024 QLYS S 10b5-1 1,965 $152.08 $298,837 70,622 Direct -2.71% Disposed 30.6% (price as of 2026-10-05)
Dec. 2, 2024 QLYS S 10b5-1 346 $153.21 $53,011 70,276 Direct -0.49% Disposed 29.7% (price as of 2026-10-05)
Dec. 2, 2024 QLYS S 10b5-1 1,407 $154.46 $217,325 68,869 Direct -2.00% Disposed 28.6% (price as of 2026-10-05)

Showing latest 100 of 505 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 21, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Sept. 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Aug. 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
July 22, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
June 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
May 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
April 22, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
March 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Feb. 20, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Jan. 22, 2024 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Dec. 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Nov. 27, 2023 QLYS Stock Option (right to buy) Common Stock (6,300) $25.56 April 28, 2026 6,300 Disposed
Oct. 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Oct. 11, 2023 QLYS Stock Option (right to buy) Common Stock (2,000) $25.56 April 28, 2026 2,000 Disposed
Sept. 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Aug. 21, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
July 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
June 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
May 22, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
April 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
March 20, 2023 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Feb. 23, 2023 QLYS Stock Option (right to buy) Common Stock (700) $25.56 April 28, 2026 700 Disposed
Feb. 22, 2023 QLYS Stock Option (right to buy) Common Stock (300) $25.56 April 28, 2026 300 Disposed
Feb. 2, 2023 QLYS Stock Option (right to buy) Common Stock (2,000) $25.56 April 28, 2026 2,000 Disposed
Nov. 10, 2022 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
Aug. 15, 2022 QLYS Stock Option (right to buy) Common Stock (3,000) $25.56 April 28, 2026 3,000 Disposed
July 21, 2022 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
June 21, 2022 QLYS Stock Option (right to buy) Common Stock (1,000) $25.56 April 28, 2026 1,000 Disposed
May 23, 2022 QLYS Stock Option (right to buy) Common Stock (1,244) $8.90 June 5, 2022 1,244 Disposed
April 20, 2022 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
March 21, 2022 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Feb. 22, 2022 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Jan. 20, 2022 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Dec. 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Nov. 22, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Oct. 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Sept. 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
Aug. 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
July 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
June 21, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
May 20, 2021 QLYS Stock Option (right to buy) Common Stock (7,000) $8.90 June 5, 2022 7,000 Disposed
July 8, 2019 QLYS Stock Option (right to buy) Common Stock (3,000) $37.28 July 29, 2025 3,000 Disposed
June 10, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
May 8, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
April 8, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
March 8, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Feb. 8, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Jan. 8, 2019 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Dec. 19, 2018 QLYS Stock Option (right to buy) Common Stock (5,756) $8.90 June 6, 2022 5,756 Disposed
Dec. 10, 2018 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Nov. 8, 2018 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Oct. 8, 2018 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Sept. 10, 2018 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Aug. 8, 2018 QLYS Stock Option (right to buy) Common Stock (2,000) $37.28 July 29, 2025 2,000 Disposed
Feb. 14, 2018 QLYS Stock Option (right to buy) Common Stock (25,000) $37.28 July 29, 2025 25,000 Disposed
Aug. 4, 2017 QLYS Stock Option (right to buy) Common Stock (9,000) $8.90 June 6, 2022 9,000 Disposed
Feb. 15, 2017 QLYS Stock Option (right to buy) Common Stock (8,093) $8.90 June 6, 2022 8,093 Disposed
April 28, 2016 QLYS Stock Option (right to buy) Common Stock (36,300) $25.56 April 28, 2026 36,300 Acquired
July 30, 2015 QLYS Stock Option (right to buy) Common Stock (50,000) $37.28 July 29, 2025 50,000 Acquired
Oct. 30, 2014 QLYS Stock Option (right to buy) Common Stock (3,925) $8.90 June 6, 2022 3,925 Disposed
Oct. 29, 2014 QLYS Stock Option (right to buy) Common Stock (1,643) $8.90 June 6, 2022 1,643 Disposed
Oct. 28, 2014 QLYS Stock Option (right to buy) Common Stock (1,712) $8.90 June 6, 2022 1,712 Disposed
Oct. 16, 2014 QLYS Stock Option (right to buy) Common Stock (290) $8.90 June 6, 2022 290 Disposed
Oct. 15, 2014 QLYS Stock Option (right to buy) Common Stock (2,430) $8.90 June 6, 2022 2,430 Disposed
Feb. 12, 2014 QLYS Stock Option (right to buy) Common Stock (30,000) $8.90 June 6, 2022 30,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Sept. 27, 2012 QLYS Employee Stock Option (right to buy)→ Common Stock (148,093) 148,093 Direct

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2021 $335,000 · $2,851,185 · $168,750 · $15,856 $3,370,791
2020 $315,833 · · · $156,591 · $7,722 $3,594,591
2017 $275,000 · · · $129,484 · $5,051 $1,608,140

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.