Toshimoto Mitomo - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Toshimoto Mitomo has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $526K.
Profile
Toshimoto Mitomo is a corporate insider at Sony Group Corp (SONY). Mitomo has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.
| Role | Chief Strategy Officer (CSO) |
|---|---|
| Notability | 20/100 |
Board memberships
- Sony Group Corp
Awards & honors
- Mentioned in SEC filings associated with Sony Group Corp as of 2026-07-07
Trading Pattern
InsiderAlpha's records for Toshimoto Mitomo go back to 2026: 2 primary Form 4 filings, an average of 2.0 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 Toshimoto Mitomo 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.
- Chief Strategy Officer (CSO) at Sony Group Corp (SONY) - 2 filings, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-07 | SONY | Sony Group Corp | S - Open-market sale | 25.0K | $21.02 | $526K |
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 Toshimoto Mitomo 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
- Jonathan Jose Platt - $348K of SONY open-market activity in the last 12 months
More Notable Insiders
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- Viking Cake BR, LLC
Frequently Asked Questions
Who is Toshimoto Mitomo?
Toshimoto Mitomo is a corporate insider at Sony Group Corp (SONY). Mitomo 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 Toshimoto Mitomo submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Toshimoto Mitomo been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($526K) across all tracked filings.
Where can I see all of Toshimoto Mitomo'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 Toshimoto Mitomo profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.