Hiroki Totoki - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Hiroki Totoki has filed 2 SEC Form 4 filings across 1 company in the last 90 days - selling. Lifetime open-market sales: $4.73M.
Profile
Hiroki Totoki is a corporate insider at Sony Group Corp (SONY). Totoki has reported 1 insider filing with the SEC since 2026. The most recent filing was in July 2026.
| Role | President and CEO, Director |
|---|---|
| Notability | 45/100 |
| Links | Wikipedia |
Board memberships
- Sony Group Corp
Awards & honors
- Participation in Sony's strategic planning and corporate governance
- Contributions to corporate finance and cross-divisional initiatives within Sony Group Corporation
Trading Pattern
InsiderAlpha's records for Hiroki Totoki 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 Hiroki Totoki 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.
- President and CEO, Director at Sony Group Corp (SONY) - 1 filing, 2026
- President and CEO at Sony Group Corp (SONY) - 1 filing, 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-07 | SONY | Sony Group Corp | S - Open-market sale | 225.0K | $21.02 | $4.73M |
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 Hiroki Totoki 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
- 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
- Jonathan Jose Platt - $348K 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:
- Michael Ho
- David Henry Hoffmann
- Gregg R. Honigblum
- HORIZON KINETICS ASSET MANAGEMENT LLC
- HRT FINANCIAL LP
- HRTG GPE, LLC
- Jack Jiajia Huang
- IAC Inc.
Frequently Asked Questions
Who is Hiroki Totoki?
Hiroki Totoki is a corporate insider at Sony Group Corp (SONY). Totoki 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 Hiroki Totoki submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Hiroki Totoki been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($4.73M) across all tracked filings.
Where can I see all of Hiroki Totoki'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 Hiroki Totoki profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.