Sumedh S. Thakar is CEO & President at QUALYS, INC. (QLYS). They have made 110 open-market trades across 1 company since 2013, most recently 2026-10-14.
CIK 0001558242
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 110 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| QLYS | 177,138 | $32.1M |
Shares reported on the most recent Form 4, priced at the 2026-10-15 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| QLYS | SELL · 10b5-1 | 2026-10-14 | 2026-10-15 | $190.36 | $609K | — | — | — |
| QLYS | SELL · 10b5-1 | 2026-09-14 | 2026-09-15 | $170.05 | $544K | -4.2% | +7.2% | — |
| QLYS | SELL · 10b5-1 | 2026-08-14 | 2026-08-17 | $188.97 | $605K | +1.6% | -1.5% | — |
| QLYS | SELL · 10b5-1 | 2026-07-14 | 2026-07-15 | $160.50 | $514K | -15.6% | +16.5% | +24.1% |
| QLYS | SELL · 10b5-1 | 2026-06-30 | 2026-07-01 | $135.00 | $4.0M | +14.1% | +0.7% | +24.0% |
| QLYS | SELL · 10b5-1 | 2026-06-29 | 2026-06-30 | $126.75 | $1.3M | +6.9% | -0.0% | +22.6% |
| QLYS | SELL · 10b5-1 | 2026-06-26 | 2026-06-29 | $120.48 | $1.2M | +17.3% | +3.7% | +33.4% |
| QLYS | SELL · 10b5-1 | 2026-06-15 | 2026-06-16 | $114.80 | $367K | +14.5% | +40.4% | +54.0% |
| QLYS | SELL · 10b5-1 | 2026-06-01 | 2026-06-02 | $114.73 | $1.5M | +0.2% | +33.5% | +67.4% |
| QLYS | SELL | 2026-01-14 | 2026-01-16 | $133.76 | $669K | -0.9% | -22.1% | -36.9% |
| QLYS | SELL · 10b5-1 | 2025-12-15 | 2025-12-16 | $147.36 | $1.5M | -4.1% | -6.6% | -33.7% |
| QLYS | SELL · 10b5-1 | 2025-11-14 | 2025-11-17 | $142.66 | $2.4M | +1.4% | +2.2% | -25.2% |
| QLYS | SELL · 10b5-1 | 2025-11-12 | 2025-11-13 | $155.04 | $341K | +0.0% | +2.2% | -22.2% |
| QLYS | SELL · 10b5-1 | 2025-10-14 | 2025-10-15 | $126.83 | $2.2M | -1.7% | +11.9% | +3.8% |
| QLYS | SELL · 10b5-1 | 2025-09-15 | 2025-09-16 | $132.49 | $2.3M | +3.0% | -3.8% | +9.3% |
| QLYS | SELL · 10b5-1 | 2025-08-14 | 2025-08-15 | $129.95 | $2.2M | +3.9% | +1.9% | +10.6% |
| QLYS | SELL · 10b5-1 | 2025-07-14 | 2025-07-15 | $138.43 | $2.3M | -1.2% | -6.8% | -7.7% |
| QLYS | SELL · 10b5-1 | 2025-07-03 | 2025-07-07 | $149.51 | $2.9M | -5.2% | -11.4% | -11.9% |
| QLYS | SELL · 10b5-1 | 2025-06-16 | 2025-06-17 | $139.47 | $1.2M | +2.3% | -0.1% | -5.4% |
| QLYS | SELL · 10b5-1 | 2025-06-02 | 2025-06-03 | $140.20 | $1.7M | -2.2% | +5.8% | -5.7% |
| QLYS | SELL · 10b5-1 | 2025-05-29 | 2025-06-02 | $136.24 | $1.8M | -0.3% | +2.0% | -5.2% |
| QLYS | SELL · 10b5-1 | 2025-04-14 | 2025-04-15 | $123.82 | $1.5M | +2.9% | +10.7% | +13.4% |
| QLYS | SELL · 10b5-1 | 2025-03-14 | 2025-03-18 | $125.33 | $1.6M | -2.8% | -7.8% | +6.5% |
| QLYS | SELL · 10b5-1 | 2025-02-14 | 2025-02-18 | $142.16 | $2.0M | -9.6% | -11.4% | -5.9% |
| QLYS | SELL · 10b5-1 | 2025-01-14 | 2025-01-15 | $134.49 | $1.9M | +8.6% | +5.8% | -8.8% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.