QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 489 Value ($000) $65 Avg Close $137.58 Range $121.01 - $155.47
Q3 2025
Shares 67 Value ($000) $0 Avg Close $135.59 Range $124.10 - $151.10
Q2 2025
Shares 41 Value ($000) $0 Avg Close $132.36 Range $112.61 - $143.16
Q2 2024
Shares 680 Value ($000) $0 Avg Close $152.28 Range $131.07 - $174.20
Q1 2024
Shares 753 Value ($000) $0 Avg Close $176.57 Range $156.51 - $201.03
Q1 2022
Shares 1,451 Value ($000) $206 Avg Close $127.72 Range $108.10 - $145.50
Q4 2021
Shares 956 Value ($000) $131 Avg Close $127.76 Range $106.48 - $142.94
Q4 2020
Shares 1,630 Value ($000) $0 Avg Close $98.93 Range $86.65 - $126.30
Q3 2020
Shares 604 Value ($000) $0 Avg Close $106.95 Range $90.93 - $125.22
Q1 2020
Shares 414 Value ($000) $36 Avg Close $83.95 Range $63.37 - $94.72
Q4 2019
Shares 1,662 Value ($000) $138 Avg Close $82.92 Range $73.76 - $88.91
Q4 2018
Shares 768 Value ($000) $57 Avg Close $75.36 Range $65.94 - $89.35
Q4 2017
Shares 4,135 Value ($000) $245 Avg Close $56.22 Range $50.00 - $62.35
Q3 2017
Shares 1,754 Value ($000) $90 Avg Close $45.89 Range $39.45 - $53.55
Q1 2017
Shares 338 Value ($000) $12 Avg Close $35.13 Range $31.80 - $38.38
Q2 2016
Shares 5,880 Value ($000) $175 Avg Close $28.08 Range $23.77 - $32.65
Q1 2016
Shares 328 Value ($000) $8 Avg Close $25.93 Range $16.96 - $32.48
Q2 2015
Shares 1,628 Value ($000) $65 Avg Close $44.87 Range $36.21 - $55.47