Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John A. Zangardi files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Sumedh S. Thakar - $14.15M in QLYS purchases and sales in the last 12 months
- Joo Mi Kim - $4.37M in QLYS purchases and sales in the last 12 months
- Bruce K. Posey - $2.01M in QLYS purchases and sales in the last 12 months
- Wendy Pfeiffer - $277K in QLYS purchases and sales in the last 12 months
- Thomas Berquist - $194K in QLYS purchases and sales in the last 12 months
- Jeffrey P. Hank - $103K in QLYS purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is John A. Zangardi?
John A. Zangardi is a corporate insider of QUALYS, INC. (QLYS). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John A. Zangardi last file a Form 4?
The most recent primary Form 4 on record is dated 11 June 2026, one of 5 filings going back to 2025.
Has John A. Zangardi been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.11M) across all tracked filings.
