InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (31 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
31
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Explore the detailed record of transactions filed by Thakar Sumedh S, President and Chief Executive Officer. Director active across 1 company, notably QUALYS, INC.. Cumulatively, 121 filings have been recorded. Split: 0 buy · 31 sells. Total volume traded: €6.2m. History available since 1 May 2021. The latest transaction was filed on 14 August 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
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Declarations121 total
406 shares@ US$186.2752Common StockSEC:0001558242-26-000022:0
794 shares@ US$188.0678Common StockSEC:0001558242-26-000022:1
1,300 shares@ US$189.4095Common StockSEC:0001558242-26-000022:2
600 shares@ US$190.4917Common StockSEC:0001558242-26-000022:3
100 shares@ US$192.2748Common StockSEC:0001558242-26-000022:4
6,748 shares@ US$144.750.019% mcap2.8% of flowCommon StockSEC:0001558242-26-000020:0
200 shares@ US$157.7450.0006% mcap0.1% of flowCommon StockSEC:0001558242-26-000019:3
200 shares@ US$163.5650.0006% mcap0.1% of flowCommon StockSEC:0001558242-26-000019:7
100 shares@ US$149.300.0003% mcap0.0% of flowCommon StockSEC:0001558242-26-000019:0
100 shares@ US$151.530.0003% mcap0.0% of flowCommon StockSEC:0001558242-26-000019:1
100 shares@ US$155.300.0003% mcap0.0% of flowCommon StockSEC:0001558242-26-000019:2
730 shares@ US$160.81480.0022% mcap0.3% of flowCommon StockSEC:0001558242-26-000019:4
1,570 shares@ US$161.69490.0048% mcap0.8% of flowCommon StockSEC:0001558242-26-000019:5
200 shares@ US$162.400.0006% mcap0.1% of flowCommon StockSEC:0001558242-26-000019:6
20,427 shares0Common StockSEC:0001558242-26-000006:0
5,662 shares@ US$131.902.2% of flowCommon StockSEC:0001558242-26-000004:0
400 shares@ US$131.98390.0014% mcap0.3% of flowCommon StockSEC:0001558242-26-000002:0
6,500 shares@ US$25.560.0045% mcap1.0% of flowCommon StockSEC:0001558242-25-000015:0
6,500 shares@ US$25.560.5% of flowCommon StockSEC:0001558242-25-000013:0
2,200 shares@ US$155.04271.0% of flowCommon StockSEC:0001558242-25-000011:0
6,043 shares@ US$123.262.3% of flowCommon StockSEC:0001558242-25-000009:0
61,092 shares0Common StockSEC:0001558242-25-000007:0
6,500 shares@ US$25.560.0045% mcap1.0% of flowCommon StockSEC:0001558242-25-000005:0
6,500 shares@ US$25.560.0045% mcap1.0% of flowCommon StockSEC:0001558242-25-000003:0
6,500 shares@ US$25.560.0045% mcap1.0% of flowCommon StockSEC:0001415889-25-022096:0
25 of 121 declarations
About Thakar Sumedh S
Thakar Sumedh S is President and Chief Executive Officer at QUALYS, INC. (XNAS), where the listed role is CEO & PRESIDENT. He has 107 filings in total, and across the sampled recent filings from 2021-05-04 to 2026-02-05, the sell amount is EUR 5231452 and the modal transaction nature is option exercise.
