Thakar Sumedh S

Director, CEO & PRESIDENT · SEC CIK 1558242
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Buy track record

How this insider's open-market purchases have performed
This insider has no open-market purchases in the records we parsed, so there's no buy track record to score. Their full filing history is below.
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Open-market buys
$0
0 trades
Open-market sells
$26.94M
83 trades
Net flow
−$26.94M
Net selling
Total filings
126
transactions shown

Full transaction history

All Form 4 activity across every company, newest first
View on SEC EDGAR ↗
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed 1w ago ΔOwn −0.2%

Thakar Sumedh S sold $67.5K of QLYS.

−$67.5K
600 sh @ $112
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed 1w ago ΔOwn −0.6%

Thakar Sumedh S sold $193.7K of QLYS, trimming their stake 1%.

−$193.7K
1,700 sh @ $114
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed 1w ago ΔOwn −4.2%

Thakar Sumedh S sold $1.25M of QLYS, trimming their stake 4%.

−$1.25M
10,861 sh @ $115
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed 1w ago

Thakar Sumedh S sold $4.5K of QLYS.

−$4.5K
39 sh @ $116
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed May 4, 2026 ΔOwn −2.5%
−$597.4K
6,748 sh @ $89
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QLYS
Grant/award Thakar Sumedh S · Director, CEO & PRESIDENT · Grant/award · filed Feb 5, 2026 ΔOwn +0.1%
+$0
401 sh
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Feb 5, 2026 ΔOwn −4.0%
−$1.33M
10,394 sh @ $128
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Feb 5, 2026 ΔOwn −3.7%
−$1.3M
10,168 sh @ $128
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Feb 5, 2026 ΔOwn −2.8%
−$985.2K
7,726 sh @ $128
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Feb 5, 2026 ΔOwn −0.1%
−$26.1K
205 sh @ $128
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Feb 3, 2026 ΔOwn −2.3%
−$746.8K
5,662 sh @ $132
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Jan 16, 2026 ΔOwn −0.2%

Thakar Sumedh S sold $52.8K of QLYS.

−$52.8K
400 sh @ $132
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Jan 16, 2026 ΔOwn −0.5%

Thakar Sumedh S sold $159.6K of QLYS.

−$159.6K
1,200 sh @ $133
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Jan 16, 2026 ΔOwn −1.3%

Thakar Sumedh S sold $429.5K of QLYS, trimming their stake 1%.

−$429.5K
3,200 sh @ $134
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Jan 16, 2026 ΔOwn −0.1%

Thakar Sumedh S sold $27K of QLYS.

−$27K
200 sh @ $135
QLYS
Option exercise Thakar Sumedh S · Director, CEO & PRESIDENT · Option exercise · filed Dec 16, 2025 ΔOwn +2.6%
+$166.1K
6,500 sh @ $26
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −1.0%

Thakar Sumedh S sold $378.3K of QLYS, trimming their stake 1%.

−$378.3K
2,600 sh @ $145
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.8%

Thakar Sumedh S sold $307.3K of QLYS, trimming their stake 1%.

−$307.3K
2,100 sh @ $146
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.5%

Thakar Sumedh S sold $206K of QLYS, trimming their stake 1%.

−$206K
1,400 sh @ $147
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.5%

Thakar Sumedh S sold $184.4K of QLYS.

−$184.4K
1,243 sh @ $148
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.1%

Thakar Sumedh S sold $53.4K of QLYS.

−$53.4K
357 sh @ $150
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.1%

Thakar Sumedh S sold $30K of QLYS.

−$30K
200 sh @ $150
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Dec 16, 2025 ΔOwn −0.2%

Thakar Sumedh S sold $91.2K of QLYS.

−$91.2K
600 sh @ $152
QLYS
Option exercise Thakar Sumedh S · Director, CEO & PRESIDENT · Option exercise · filed Nov 17, 2025 ΔOwn +2.5%
+$166.1K
6,500 sh @ $26
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Nov 17, 2025 ΔOwn −0.5%

Thakar Sumedh S sold $200.8K of QLYS, trimming their stake 1%.

−$200.8K
1,422 sh @ $141
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Nov 17, 2025 ΔOwn −0.6%

Thakar Sumedh S sold $236.1K of QLYS, trimming their stake 1%.

−$236.1K
1,661 sh @ $142
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Nov 17, 2025 ΔOwn −2.0%

Thakar Sumedh S sold $732.7K of QLYS, trimming their stake 2%.

−$732.7K
5,117 sh @ $143
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Nov 17, 2025 ΔOwn −0.1%

Thakar Sumedh S sold $43.1K of QLYS.

−$43.1K
300 sh @ $144
QLYS
Sell Thakar Sumedh S · Director, CEO & PRESIDENT · Open-market sale · filed Nov 13, 2025 ΔOwn −0.8%

Thakar Sumedh S sold $341.1K of QLYS, trimming their stake 1%.

−$341.1K
2,200 sh @ $155
QLYS
Tax withholding Thakar Sumedh S · Director, CEO & PRESIDENT · Tax withholding · filed Nov 4, 2025 ΔOwn −2.3%
−$744.9K
6,043 sh @ $123

Frequently asked questions

How is Thakar Sumedh S's win rate calculated?

We take every open-market purchase (SEC code P) we can match to a stock price, then compare the split- and dividend-adjusted price on the purchase date to the most recent close. The win rate is the share of those buys currently trading above the purchase price. Sales and share grants are not scored.

Why are some buys not included in the score?

A purchase is excluded if we can't price it — for example if the ticker is missing from the filing, the company has been delisted, or the security isn't a common stock we can match to market data. Excluded counts are shown next to the scored total.

What do the 1M / 3M / 6M / 12M columns mean?

They show each purchase's return after a fixed holding period — one, three, six, and twelve months from the buy date — using split- and dividend-adjusted prices. This separates good entry timing from simply holding a long-running winner. A dash means that horizon hasn't elapsed yet for that trade, or the stock couldn't be priced at that date.

Does a high win rate mean I should copy this insider?

No. Past performance does not predict future results, sample sizes are often small, and an insider's edge in their own company doesn't transfer to yours. This is context, not a recommendation. InsiderSource is not investment advice.

Where does this data come from?

Trades come from Thakar Sumedh S's SEC Form 4 filings on EDGAR. Prices come from public market data and are split/dividend-adjusted. Always verify against the original filings before acting.