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Wendy Pfeiffer
Insider
First SEC filing: June 11, 2026 · Latest: June 11, 2026
Insider at
Insider transactions
0 buys (P)
4 sells (S)
Net: $-277,475
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 20, 2026 | QLYS | S 10b5-1 | 500 | $185.00 | $92,500 | 11,710 Direct | -4.10% | Disposed | 7.4% (price as of 2026-10-05) |
| July 20, 2026 | QLYS | S 10b5-1 | 500 | $158.19 | $79,095 | 12,210 Direct | -3.93% | Disposed | 25.6% (price as of 2026-10-05) |
| June 22, 2026 | QLYS | S 10b5-1 | 500 | $110.55 | $55,275 | 12,710 Direct | -3.79% | Disposed | 79.7% (price as of 2026-10-05) |
| June 10, 2026 | QLYS | A | 2,628 | · | · | 13,210 Direct | +24.83% | Acquired | (price as of 2026-10-05) |
| May 22, 2026 | QLYS | S 10b5-1 | 500 | $101.21 | $50,605 | 10,582 Direct | -4.51% | Disposed | 96.3% (price as of 2026-10-05) |
| Aug. 15, 2025 | QLYS | S 10b5-1 | 200 | $129.72 | $25,944 | 11,082 Direct | -1.77% | Disposed | 53.2% (price as of 2026-10-05) |
| July 15, 2025 | QLYS | S 10b5-1 | 200 | $139.45 | $27,890 | 11,282 Direct | -1.74% | Disposed | 42.5% (price as of 2026-10-05) |
| June 13, 2025 | QLYS | S 10b5-1 | 200 | $138.78 | $27,756 | 11,482 Direct | -1.71% | Disposed | 43.2% (price as of 2026-10-05) |
| June 11, 2025 | QLYS | A | 1,879 | · | · | 11,682 Direct | +19.17% | Acquired | (price as of 2026-10-05) |
| June 12, 2024 | QLYS | A | 1,313 | · | · | 9,803 Direct | +15.47% | Acquired | (price as of 2026-10-05) |
| May 24, 2024 | QLYS | S 10b5-1 | 1,143 | $145.22 | $165,986 | 9,347 Direct | -10.90% | Disposed | 36.8% (price as of 2026-10-05) |
| May 24, 2024 | QLYS | S 10b5-1 | 857 | $146.38 | $125,448 | 8,490 Direct | -9.17% | Disposed | 35.7% (price as of 2026-10-05) |
| Dec. 4, 2023 | QLYS | S 10b5-1 | 440 | $187.81 | $82,636 | 10,490 Direct | -4.03% | Disposed | 5.8% (price as of 2026-10-05) |
| Dec. 4, 2023 | QLYS | S 10b5-1 | 990 | $186.91 | $185,041 | 10,930 Direct | -8.31% | Disposed | 6.3% (price as of 2026-10-05) |
| June 7, 2023 | QLYS | A | 1,700 | · | · | 11,920 Direct | +16.63% | Acquired | (price as of 2026-10-05) |
| June 8, 2022 | QLYS | A | 1,556 | · | · | 10,220 Direct | +17.96% | Acquired | (price as of 2026-10-05) |
| June 9, 2021 | QLYS | A | 2,002 | · | · | 8,664 Direct | +30.05% | Acquired | (price as of 2026-10-05) |
| June 10, 2020 | QLYS | A | 1,846 | · | · | 6,662 Direct | +38.33% | Acquired | (price as of 2026-10-05) |
| Aug. 16, 2019 | QLYS | A | 4,816 | · | · | 4,816 Direct | · | Acquired | (price as of 2026-10-05) |
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.