Mari Jean Baker - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Mari Jean Baker has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
Profile
Mari Jean Baker serves as Director of JOHN WILEY & SONS, INC. (WLY, WLYB). Baker has reported 8 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Director |
|---|---|
| Notability | 26/100 |
Board memberships
- JOHN WILEY & SONS, INC.
Reported roles
- Director
Trading Pattern
InsiderAlpha's records for Mari Jean Baker go back to 2024: 8 primary Form 4 filings, an average of 2.7 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 Mari Jean Baker 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.
- Director at JOHN WILEY & SONS, INC. (WLY) - 8 filings, 2024 to 2026
Companies - Last 90 Days
- JOHN WILEY & SONS, INC. (WLY) - 1 filing, last 2026-07-24
Most Active Insiders Right Now
Mari Jean Baker 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:
- Frank Martell
- Martin Product Sales LLC
- Marcelo Eduardo Martins
- Neil Mehta
- Keith A. Meister
- MetLife Investment Management, LLC
- John Micek
- Andrew J. Mills
Frequently Asked Questions
Who is Mari Jean Baker?
Mari Jean Baker serves as Director of JOHN WILEY & SONS, INC. (WLY, WLYB). Baker has reported 8 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Mari Jean Baker submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of Mari Jean Baker'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 Mari Jean Baker profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.