John Micek - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
John Micek is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $450.00M.
Profile
John Micek is a corporate insider at Jaguar Health, Inc. (JAGX). Micek has reported 4 insider filings with the SEC since 2024. The most recent filing was in March 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- Jaguar Health, Inc.
Trading Pattern
InsiderAlpha's records for John Micek go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. The typical open-market purchase is $225.00M (2 buys totaling $450.00M). The largest single buy on record is $450.00M of JAGX in 2025. 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 Micek 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 Jaguar Health, Inc. (JAGX) - 4 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-12 | JAGX | Jaguar Health, Inc. | A - Grant or award | 7.4K | $0.00 |
Most Active Insiders Right Now
John Micek has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
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 Micek?
John Micek is a corporate insider at Jaguar Health, Inc. (JAGX). Micek has reported 4 insider filings with the SEC since 2024. The most recent filing was in March 2026.…
Has John Micek been buying or selling stock?
Recorded transactions: 2 open-market purchases ($450.00M) and 0 open-market sales across all tracked filings.
Where can I see all of John Micek'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 Micek profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.