SO in its own filings
SO's filing record carries one kind of hard flag, each is shown beside the share of the whole market carrying the same one, because more than half of all companies carry at least one.
628
Events found in the filings · across 5,019 filings · the record starts in 2000
- Hard flags
- 1
Hard flags
- Most recent filing
- 2026-08-06
Most recent filing · Form 8-K
- Record starts
- 2000-09-28
Record starts · the earliest filing Ryufin holds for this name
Details›
- Delisting notice / listing-rule failure2 occurrences
- 2009-10-19
- Security removed from listing or deregistered3 occurrences · usually a matured note or preferred class, not the common shares
- 2022-08-01
- Material impairmenthistorical
- 2018-05-21
- SEC comment-letter activity50 occurrences
- 2021-10-13
SEC EDGAR submissions index and 8-K item codes; 4.02 and 1.03 items are confirmed against the filing text.
opening the record…
Utilities - Regulated Electric
The closest names by size in the same industry