Southern Co. (SO) Insider Trading
Directors, officers and holders of more than 10% of SO report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 480 transactions on file: 0 with code P, 9 with code S and 41 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Svinicki Kristine L | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | SMITH WILLIAM G JR | Director | A Award | 988 | $83.47 | $82,500 |
| Oct 1, 2026 | EARLEY ANTHONY F JR | Director | A Award | 262 | $83.47 | $21,875 |
| Oct 1, 2026 | MEADOR DAVID E | Director | A Award | 914 | $83.47 | $76,250 |
| Oct 1, 2026 | Cooper Shantella E. | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | Etheredge James O | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | JOHNS JOHN D | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | GRAIN DAVID J | Director | A Award | 973 | $83.47 | $81,250 |
| Oct 1, 2026 | EARLEY ANTHONY F JR | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $82.73 | $8,273 |
| Oct 1, 2026 | Thomas Lizanne | Director | A Award | 539 | $83.47 | $45,000 |
| Oct 1, 2026 | Turner John M JR | Director | A Award | 914 | $83.47 | $76,250 |
| Oct 1, 2026 | Akella Janaki | Director | A Award | 539 | $83.47 | $45,000 |
| Sep 3, 2026 | Sena Peter P III | Chairman,President & CEO, SNC | S Sale | 4,266 | $88.59 | $377,925 |
| Sep 3, 2026 | Kim Matthew M. | Comptroller | S Sale | 1,400 | $88.87 | $124,418 |
| Sep 1, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $88.45 | $8,845 |
| Aug 6, 2026 | Spainhour Sterling A Jr. | EVP & CLO | S Sale | 3,333 | $94.02 | $313,369 |
| Aug 3, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $94.28 | $9,428 |
| Jul 1, 2026 | Cooper Shantella E. | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | Svinicki Kristine L | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | EARLEY ANTHONY F JR | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | JOHNS JOHN D | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $95.77 | $9,577 |
| Jul 1, 2026 | Thomas Lizanne | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | Akella Janaki | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | Etheredge James O | Director | A Award | 473 | $95.12 | $45,000 |
| Jul 1, 2026 | GRAIN DAVID J | Director | A Award | 854 | $95.12 | $81,250 |
| Jul 1, 2026 | Turner John M JR | Director | A Award | 802 | $95.12 | $76,250 |
| Jul 1, 2026 | SMITH WILLIAM G JR | Director | A Award | 867 | $95.12 | $82,500 |
| Jul 1, 2026 | EARLEY ANTHONY F JR | Director | A Award | 230 | $95.12 | $21,875 |
| Jul 1, 2026 | MEADOR DAVID E | Director | A Award | 802 | $95.12 | $76,250 |
| Jun 28, 2026 | Sena Peter P III | Chairman,President & CEO, SNC | F Tax Payment | 316 | $97.16 | $30,703 |
| Jun 28, 2026 | Sena Peter P III | Chairman,President & CEO, SNC | M Exercise | 712 | Not measured | Not measured |
| Jun 28, 2026 | Sena Peter P III | Chairman,President & CEO, SNC | M Exercise | 667 | Not measured | Not measured |
| Jun 1, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $91.16 | $9,116 |
| May 24, 2026 | WOMACK CHRISTOPHER C | Chairman, President & CEO | M Exercise | 6,898 | $94.55 | $652,206 |
| May 24, 2026 | WOMACK CHRISTOPHER C | Chairman, President & CEO | M Exercise | 7,662 | Not measured | Not measured |
| May 24, 2026 | WOMACK CHRISTOPHER C | Chairman, President & CEO | F Tax Payment | 3,414 | $94.55 | $322,794 |
| May 1, 2026 | Kim Matthew M. | Comptroller | S Sale | 100 | $96.57 | $9,657 |
| Apr 1, 2026 | GRAIN DAVID J | Director | A Award | 838 | $96.94 | $81,250 |
| Apr 1, 2026 | Turner John M JR | Director | A Award | 787 | $96.94 | $76,250 |
| Apr 1, 2026 | JAMES DONALD M | Director | A Award | 464 | $96.94 | $45,000 |
| Apr 1, 2026 | Thomas Lizanne | Director | A Award | 464 | $96.94 | $45,000 |
| Apr 1, 2026 | SMITH WILLIAM G JR | Director | A Award | 851 | $96.94 | $82,500 |
| Apr 1, 2026 | Klein Dale E. | Director | A Award | 464 | $96.94 | $45,000 |
| Apr 1, 2026 | Etheredge James O | Director | A Award | 464 | $96.94 | $45,000 |
| Apr 1, 2026 | Kim Matthew M. | Comptroller | M Exercise | 23 | Not measured | Not measured |
| Apr 1, 2026 | Kim Matthew M. | Comptroller | M Exercise | 42 | Not measured | Not measured |
| Apr 1, 2026 | MEADOR DAVID E | Director | A Award | 787 | $96.94 | $76,250 |
| Apr 1, 2026 | Kim Matthew M. | Comptroller | M Exercise | 13 | Not measured | Not measured |
The full Form 4 history is on the SO company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.