Insider · CIK 0002082705
Matthew M. Kim
Files at: SO. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 SForm 4 → | Sep 4, 1:00 pm EDT | SOUTHERN COSO | 1,400 | $88.87 | $124,418 | 4,988 | −21.9% | |
| Sep 1, 2026 SForm 4 → | Sep 3, 10:00 am EDT | SOUTHERN COSO | 100 | $88.45 | $8,845 | 6,400 | −1.54% | 10b5-1 |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.