Insider trading · Q3 2026 · CIK 92122

Southern Co (SO) insider trading.

Name: Southern Co insider transactions, Q3 2026
Creator: U.S. Securities and Exchange Commission

In Q3 2026, insiders at Southern Co reported 6 non-derivative transactions on 17 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $844K.

Transactions: 6
Purchases (P): 0
Sales (S): 6
Net shares, P minus S: -9,299
Insiders: 3
Last filed: 2026-09-04

Insiders

Insider	Relationship	Transactions	Sales
Kim Matthew M.	Officer · Comptroller	4	4
Sena Peter P III	Officer · Chairman,President & CEO, SNC	1	1
Spainhour Sterling A Jr.	Officer · EVP & CLO	1	1

Transactions

6 non-derivative rows, newest transaction first. Shares and prices as filed.
Date	Insider	Code	Shares	Price	Owned after	Filing
2026-09-03	Kim Matthew M.	S (D)	1,400	$88.87	4,988	Form 4
2026-09-03	Sena Peter P III	S (D)	4,266	$88.59	26,935	Form 4
2026-09-01	Kim Matthew M.	S (D)	100	$88.45	6,400	Form 4
2026-08-06	Spainhour Sterling A Jr.	S (D)	3,333	$94.02	35,219	Form 4
2026-08-03	Kim Matthew M.	S (D)	100	$94.28	6,488	Form 4
2026-07-01	Kim Matthew M.	S (D)	100	$95.77	6,588	Form 4

Transaction codes in this quarter

S: 6

Get SO insider transactions through the API

Request with your API key

curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=92122&limit=100" \
  -H "Authorization: Bearer $SEC_API_KEY"

Insider trading API guide · SO company page · Southern Co on SEC.gov

Questions

Are insiders buying or selling Southern Co (SO)?

In Q3 2026, insiders at Southern Co reported 6 non-derivative transactions on 17 Forms 3, 4 and 5: 0 open-market purchases and 6 sales worth $844K. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.

Where do these Southern Co insider trades come from?

From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.

Source: SEC Insider Transactions Data Sets, Q3 2026, retrieved 2026-10-27. Footnotes, derivative holdings and amendments are in the linked filings. Not investment advice.

Plain-text version for agents and LLMs: /insider-trading/so.md

Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.