QLYSQUALYS, INC.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-10-21.
Insider buys (90d)
$0.00
Insider sells (90d)
$2.85M
Net flow
$-2.85M
Filings
13
Buy transactions
0
Sell transactions
48
Distinct insiders
5
Last close (cached)
$230.29
as of 2026-10-29
1d return
+3.0%
5d return
+10.6%
1m return
+23.0%
Top insiders trading QLYS (90d)
Recent transactions (50)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 62 | $191.26 | $11.9K | open → |
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 449 | $190.49 | $85.5K | open → |
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 244 | $189.52 | $46.2K | open → |
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 35 | $187.25 | $6.6K | open → |
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 7 | $185.31 | $1.3K | open → |
| 2026-10-21 | 2026-10-20 | POSEY BRUCE K | Sale | 84 | $184.33 | $15.5K | open → |
| 2026-10-15 | 2026-10-14 | Thakar Sumedh S | Sale | 400 | $194.30 | $77.7K | open → |
| 2026-10-15 | 2026-10-14 | Thakar Sumedh S | Sale | 500 | $192.84 | $96.4K | open → |
| 2026-10-15 | 2026-10-14 | Thakar Sumedh S | Sale | 400 | $189.99 | $76.0K | open → |
| 2026-10-15 | 2026-10-14 | Thakar Sumedh S | Sale | 1,500 | $189.20 | $283.8K | open → |
| 2026-10-15 | 2026-10-14 | Thakar Sumedh S | Sale | 400 | $188.03 | $75.2K | open → |
| 2026-09-23 | 2026-09-21 | POSEY BRUCE K | Sale | 199 | $181.03 | $36.0K | open → |
| 2026-09-23 | 2026-09-21 | POSEY BRUCE K | Sale | 327 | $179.95 | $58.8K | open → |
| 2026-09-23 | 2026-09-21 | POSEY BRUCE K | Sale | 241 | $178.96 | $43.1K | open → |
| 2026-09-23 | 2026-09-21 | POSEY BRUCE K | Sale | 27 | $177.98 | $4.8K | open → |
| 2026-09-23 | 2026-09-21 | POSEY BRUCE K | Sale | 72 | $175.54 | $12.6K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 100 | $174.71 | $17.5K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 500 | $173.92 | $87.0K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 1,500 | $172.92 | $259.4K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 100 | $170.90 | $17.1K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 200 | $169.34 | $33.9K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 100 | $167.58 | $16.8K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 100 | $165.94 | $16.6K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 300 | $162.43 | $48.7K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 200 | $159.28 | $31.9K | open → |
| 2026-09-16 | 2026-09-14 | Thakar Sumedh S | Sale | 100 | $154.39 | $15.4K | open → |
| 2026-09-03 | 2026-09-02 | Kim Joo Mi | Sale | 102 | $172.37 | $17.6K | open → |
| 2026-09-03 | 2026-09-02 | Kim Joo Mi | Sale | 265 | $171.14 | $45.4K | open → |
| 2026-09-03 | 2026-09-02 | Kim Joo Mi | Sale | 204 | $170.05 | $34.7K | open → |
| 2026-09-03 | 2026-09-02 | Kim Joo Mi | Sale | 166 | $168.75 | $28.0K | open → |
| 2026-09-03 | 2026-09-02 | Kim Joo Mi | Sale | 293 | $167.49 | $49.1K | open → |
| 2026-09-03 | 2026-09-02 | Berquist Thomas | Sale | 511 | $175.27 | $89.6K | open → |
| 2026-08-21 | 2026-08-20 | POSEY BRUCE K | Sale | 280 | $185.91 | $52.1K | open → |
| 2026-08-21 | 2026-08-20 | POSEY BRUCE K | Sale | 96 | $184.25 | $17.7K | open → |
| 2026-08-21 | 2026-08-20 | POSEY BRUCE K | Sale | 393 | $183.58 | $72.1K | open → |
| 2026-08-21 | 2026-08-20 | POSEY BRUCE K | Sale | 97 | $181.99 | $17.7K | open → |
| 2026-08-21 | 2026-08-20 | Pfeiffer Wendy | Sale | 500 | $185.00 | $92.5K | open → |
| 2026-08-17 | 2026-08-14 | Thakar Sumedh S | Sale | 100 | $192.27 | $19.2K | open → |
| 2026-08-17 | 2026-08-14 | Thakar Sumedh S | Sale | 600 | $190.49 | $114.3K | open → |
| 2026-08-17 | 2026-08-14 | Thakar Sumedh S | Sale | 1,300 | $189.41 | $246.2K | open → |
| 2026-08-17 | 2026-08-14 | Thakar Sumedh S | Sale | 794 | $188.07 | $149.3K | open → |
| 2026-08-17 | 2026-08-14 | Thakar Sumedh S | Sale | 406 | $186.28 | $75.6K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 100 | $155.12 | $15.5K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 827 | $154.51 | $127.8K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 300 | $152.78 | $45.8K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 200 | $151.47 | $30.3K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 100 | $148.54 | $14.9K | open → |
| 2026-08-04 | 2026-08-03 | Kim Joo Mi | Sale | 100 | $147.22 | $14.7K | open → |
| 2026-08-03 | 2026-08-01 | Kim Joo Mi | Tax | 3,845 | $144.75 | $556.6K | open → |
| 2026-08-03 | 2026-08-01 | Thakar Sumedh S | Tax | 6,748 | $144.75 | $976.8K | open → |
Other tickers these insiders trade
Want an email the moment a new insider transaction is filed on QLYS? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.
