Southern Co comptroller sells 100 SO shares
Southern Co’s comptroller reported a small Rule 10b5-1 plan sale of 100 shares, with sizable direct and 401(k) holdings remaining.
Rhea-AI Filing Summary
SOUTHERN CO (SO) reports that Comptroller Matthew M. Kim sold 100 shares of Southern Company Common Stock on September 1, 2026, at $88.45 per share in an open-market or private transaction under a Rule 10b5-1 trading plan. After this sale, he holds 6,399.55 shares directly and 1,222.207 shares indirectly through a 401(k).
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 100 shares
Net Sell
2 txns
Insider
Kim Matthew M.
Role
Comptroller
Sold
100 shs ($9K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Southern Company Common Stock | 100 | $88.45 | $9K |
| holding | Southern Company Common Stock | -- | -- | -- |
Holdings After Transaction:
Southern Company Common Stock — 6,399.55 shares (Direct);
Southern Company Common Stock — 1,222.207 shares (Indirect, 401(k))
Key Figures
Shares sold: 100 shares
Sale price per share: $88.45 per share
Direct holdings after transaction: 6,399.55 shares
+2 more
5 metrics
Shares sold
100 shares
Southern Company Common Stock sold on September 1, 2026
Sale price per share
$88.45 per share
Price for the 100 shares sold on September 1, 2026
Direct holdings after transaction
6,399.55 shares
Direct ownership of Southern Company Common Stock after the sale
Indirect 401(k) holdings after transaction
1,222.207 shares
Indirect ownership through a 401(k) plan after the sale
Net buy/sell shares
-100 shares
Net effect of reported buy and sell transactions in this Form 4
Key Terms
Rule 10b5-1 trading plan, indirect, 401(k), open-market or private transaction
4 terms
Rule 10b5-1 trading plan regulatory
"transactions were made under a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
indirect financial
"indirect ownership of 1,222.207 shares through a 401(k)"
401(k) financial
"1,222.207 shares indirectly through a 401(k) plan"
A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.
open-market or private transaction market
"Sale in open market or private transaction"
FAQ
What insider transaction did SOUTHERN CO (SO) report for Matthew M. Kim?
SOUTHERN CO reported that Comptroller Matthew M. Kim sold 100 shares of Southern Company Common Stock on September 1, 2026, in a sale described as an open-market or private transaction.
Was the SO insider transaction made under a Rule 10b5-1 trading plan?
Yes. The filing affirms that the reported transactions were made under a Rule 10b5-1 trading plan, indicating they were executed pursuant to a pre-established trading arrangement.
What is Matthew M. Kim’s role at SOUTHERN CO (SO) in this Form 4?
In this Form 4, Matthew M. Kim is identified as an officer of SOUTHERN CO with the title Comptroller. He is not listed as a director or ten percent owner.
How many insider holding entries are disclosed in this SO Form 4?
The Form 4 shows one direct holding of 6,399.55 shares and one indirect holding of 1,222.207 shares held through a 401(k), following the reported sale transaction.
AI-generated analysis. How Rhea-AI works. Not financial advice.
