SONY insider buying and SEC filings, explained
Sony Group Corp · CIK 313838
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$29.2M
Planned sales (10b5-1)
$1.3M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 16, 2026 | Planned (10b5-1) | Yasuhiro Ito (Chief People Officer (CPO)) sold 9,000 shares at $24.29 ($219K), marked as a 10b5-1 plan trade. Holdings down 58% to 6,489 shares. | SEC filing Filed Sep 18, 2026 |
| Aug 17, 2026 | Sale | Kenji Tanaka (CEO) sold 20,000 shares at $23.83 ($477K). Holdings down 31% to 43,899 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 5, 2026 | Sale | Robert Adrian Stringer (CEO) sold 545,547 shares at $22.49 ($12.3M). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 6, 2026 |
| Aug 4, 2026 | Sale | Ravi Ahuja (CEO) sold 15,580 shares at $22.71 ($354K). Holdings down 41% to 22,096 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Aug 4, 2026 | Sale | Tsuyoshi Kodera (Chief Digital Officer (CDO)) sold 17,100 shares at $22.72 ($389K). Holdings down 26% to 47,508 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 5, 2026 |
| Jul 6, 2026 | Planned (10b5-1) | Jonathan Jose Platt (CEO) sold 16,512 shares at $21.08 ($348K), marked as a 10b5-1 plan trade. Holdings down 17% to 83,326 shares. | SEC filing Filed Jul 8, 2026 |
| Jul 6, 2026 | Planned (10b5-1) | Ravi Ahuja (CEO) sold 36,826 shares at $21.08 ($776K), marked as a 10b5-1 plan trade. Holdings down 39% to 58,786 shares. | SEC filing Filed Jul 8, 2026 |
| Jul 3, 2026 | Sale | Toshimoto Mitomo (Chief Strategy Officer (CSO)) sold 25,000 shares at $21.02 ($526K). Holdings down 18% to 115,700 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Jul 3, 2026 | Sale | Hiroki Totoki (CEO and Director) sold 225,000 shares at $21.02 ($4.7M). Holdings down 56% to 173,250 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| Jun 17, 2026 | Sale | Tsuyoshi Kodera (Chief Digital Officer (CDO)) sold 51,000 shares at $20.54 ($1.0M). Holdings down 65% to 27,553 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 18, 2026 |
| May 18, 2026 | Sale | Kenichiro Yoshida (Director) sold 400,000 shares at $22.61 ($9.0M). Holdings down 38% to 661,615 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
| May 18, 2026 | Sale | Tsuyoshi Kodera (Chief Digital Officer (CDO)) sold 17,500 shares at $22.61 ($396K). Holdings down 39% to 27,553 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 19, 2026 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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