Jonathan Jose Platt - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Jonathan Jose Platt has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $348K.
Profile
Jonathan Jose Platt is a corporate insider at Sony Group Corp (SONY). Platt has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.
| Role | Business CEO in charge of Music Publishing (Global) |
|---|---|
| Notability | 20/100 |
Board memberships
- Sony Group Corp
Awards & honors
- SEC filing involvement related to Sony Group Corp (as of 2026).
Trading Pattern
InsiderAlpha's records for Jonathan Jose Platt go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Career & Filing History
Every role Jonathan Jose Platt 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 Sony Group Corp (SONY) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-08 | SONY | Sony Group Corp | S - Open-market sale [10b5-1] | 16.5K | $21.08 | $348K |
Companies - Last 90 Days
- Sony Group Corp (SONY) - 2 filings, last 2026-07-28
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Jonathan Jose Platt 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.
- Kenichiro Yoshida - $9.04M of SONY open-market activity in the last 12 months
- Hiroki Totoki - $4.73M of SONY open-market activity in the last 12 months
- Tsuyoshi Kodera - $1.44M of SONY open-market activity in the last 12 months
- Ravi Ahuja - $776K of SONY open-market activity in the last 12 months
- Toshimoto Mitomo - $526K of SONY open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
- Richard D. Kinder
Frequently Asked Questions
Who is Jonathan Jose Platt?
Jonathan Jose Platt is a corporate insider at Sony Group Corp (SONY). Platt has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Jonathan Jose Platt submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Jonathan Jose Platt been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($348K) across all tracked filings.
Where can I see all of Jonathan Jose Platt'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 Jonathan Jose Platt profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.