Pfeiffer Wendy sold $92K of QLYS
Pfeiffer Wendy sold 500 shares of QUALYS, INC. (QLYS) at $185.00 on 2026-08-20 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale is small relative to Qualys' float and unlikely to affect market perception.
Market read
Minor insider sell; limited relevance for traders.
What to watch
Potential upcoming dilution from stock compensation plans could contextualize the sale.
Background
Form 4 filings disclose insider trades; directors often use 10b5‑1 plans for scheduled sales.
Ticker impact
Director Wendy Pfeiffer sold 500 shares of Qualys at $185 each, total $92,500, via a 10b5-1 plan.
Minimal downward pressure, likely within bid‑ask spread.
The transaction size is modest relative to market cap and typical daily volume; director sales of this magnitude rarely cause price moves.
Market effects
None significant for the broader software security sector.
No regional effect; isolated insider transaction.
Negligible on a global scale.
Counterpoint
The sale could be routine liquidity management, not a lack of confidence.
Key entities
- CompanyQualys, Inc.
Provider of cloud‑based security and compliance solutions.
- IndividualWendy Pfeiffer
Director of Qualys who executed the sale.




