CC
Christopher Cummiskey
EVP

Christopher Cummiskey insider trades: Southern (SO) stock sales

EVP, Southern Last trade Mar 19, 2026 34 Form 4 filings
$644K
Sold, last 12 months
1 sale
$0
Bought, last 12 months
0 buys
18
Open-market trades
since 2021
1
Company
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where Christopher reports to the SEC

Open-market buys and sales

18 trades reported on SEC Form 4, newest first

DateStockTypeValue
Mar 19, 2026SO↓ Sell$644K
May 23, 2025SO↓ Sell$1.1M
Feb 19, 2025SO↓ Sell$81K
Feb 4, 2025SO↓ Sell$70K
Feb 16, 2024SO↓ Sell$932K
Feb 12, 2024SO↓ Sell$59K
Feb 6, 2024SO↓ Sell$60K
Aug 29, 2023SO↓ Sell$342K
Feb 16, 2023SO↓ Sell10b5-1$85K
Feb 8, 2023SO↓ Sell10b5-1$57K
Jan 4, 2023SO↓ Sell10b5-1$74K
Mar 1, 2022SO↓ Sell$129K
Feb 23, 2022SO↓ Sell$58K
Feb 16, 2022SO↓ Sell$57K
Jan 5, 2022SO↓ Sell10b5-1$67K
Dec 1, 2021SO↓ Sell$123K
Sep 1, 2021SO↓ Sell$99K
Feb 19, 2021SO↓ Sell$369K

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other SO insiders

Open-market trades in the last 12 months

About Christopher Cummiskey's insider trades

Christopher Cummiskey is EVP at Southern (SO). Since Feb 19, 2021, Christopher has reported no open-market purchases and 18 sales worth $4.4M on SEC Form 4. In the last 12 months: 1 sale ($644K).

4 sales (6% of the value sold) were made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so they say little about how the insider sees the stock today.

Their filings also include shares withheld for taxes (17 filings), option exercises (16 filings), grants and awards (5 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every SO insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.