John A. Zangardi - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
John A. Zangardi has filed 1 SEC Form 4 filing across 1 company in the last 90 days - selling. Lifetime open-market sales: $1.11M.
Profile
John A. Zangardi is a corporate insider at QUALYS, INC. (QLYS). Zangardi has reported 5 insider filings with the SEC since 2025. The most recent filing was in June 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- QUALYS, INC.
Trading Pattern
InsiderAlpha's records for John A. Zangardi go back to 2025: 5 primary Form 4 filings, an average of 2.5 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role John A. Zangardi has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Insider at QUALYS, INC. (QLYS) - 5 filings, 2025 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-11 | QLYS | QUALYS, INC. | A - Grant or award | 2.6K | $0.00 | |
| 2025-08-27 | QLYS | QUALYS, INC. | S - Open-market sale | 3.1K | $134.94 | $419K |
| 2025-08-22 | QLYS | QUALYS, INC. | S - Open-market sale | 3.9K | $134.82 | $520K |
| 2025-08-13 | QLYS | QUALYS, INC. | S - Open-market sale | 1.3K | $132.03 | $170K |
| 2025-06-11 | QLYS | QUALYS, INC. | A - Grant or award | 1.9K | $0.00 |
Companies - Last 90 Days
- QUALYS, INC. (QLYS) - 1 filing, last 2026-06-11
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies John A. Zangardi has recently filed 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 - $15.70M of QLYS open-market activity in the last 12 months
- Joo Mi Kim - $4.30M of QLYS open-market activity in the last 12 months
- Bruce K. Posey - $1.74M of QLYS open-market activity in the last 12 months
- Kristi Marie Rogers - $229K of QLYS open-market activity in the last 12 months
- Wendy Pfeiffer - $211K of QLYS open-market activity in the last 12 months
- Thomas Berquist - $172K of QLYS open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
Frequently Asked Questions
Who is John A. Zangardi?
John A. Zangardi is a corporate insider at QUALYS, INC. (QLYS). Zangardi has reported 5 insider filings with the SEC since 2025. The most recent filing was in June 2026.…
How many SEC Form 4 filings has John A. Zangardi submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
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.
Where can I see all of John A. Zangardi's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live John A. Zangardi profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.