SO — SOUTHERN CO
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on SO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-07 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-07-07 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-29 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-29 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-05-07 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-01 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-06 | Spainhour Sterling A Jr. EVP & CLO | Open-market sale 10b5-1 plan | 3.3K | 94.02 | 313.4K |
| 2026-08-03 | Kim Matthew M. Comptroller | Open-market sale 10b5-1 plan | 100 | 94.28 | 9.4K |
| 2026-07-01 | Kim Matthew M. Comptroller | Open-market sale 10b5-1 plan | 100 | 95.77 | 9.6K |
| 2026-06-28 | Sena Peter P III Chairman,President & CEO, SNC | Shares withheld for tax | 316 | 97.16 | 30.7K |
| 2026-06-28 | Sena Peter P III Chairman,President & CEO, SNC | Option exercise | 712 | 0.00 | 0 |
| 2026-06-01 | Kim Matthew M. Comptroller | Open-market sale 10b5-1 plan | 100 | 91.16 | 9.1K |
| 2026-05-24 | WOMACK CHRISTOPHER C Chairman, President & CEO | Shares withheld for tax | 3.4K | 94.55 | 322.8K |
| 2026-05-24 | WOMACK CHRISTOPHER C Chairman, President & CEO | Option exercise | 7.7K | 0.00 | 0 |
| 2026-05-01 | Kim Matthew M. Comptroller | Open-market sale 10b5-1 plan | 100 | 96.57 | 9.7K |
| 2026-04-01 | Kim Matthew M. Comptroller | Shares withheld for tax | 82 | 96.94 | 7.9K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 8.7B | 90.4M |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.9B | 71.5M |
| STATE STREET CORP | 6.1B | 63.0M |
| Capital World Investors | 5.4B | 56.2M |
| JPMORGAN CHASE & CO | 4.2B | 43.3M |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8B | 28.4M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.5B | 26.1M |
| FMR LLC | 2.2B | 22.9M |
| FRANKLIN RESOURCES INC | 1.6B | 16.8M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.5B | 15.6M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-07 | 2026-08-06 | on EDGAR ↗ |
| 144 | 2026-08-06 | — | on EDGAR ↗ |
| 8-K | 2026-08-06 | 2026-08-03 | on EDGAR ↗ |
| 4 | 2026-08-04 | 2026-08-03 | on EDGAR ↗ |
| 8-K | 2026-08-04 | 2026-08-03 | on EDGAR ↗ |
| 144 | 2026-08-03 | — | on EDGAR ↗ |
| 8-K | 2026-08-03 | 2026-08-03 | on EDGAR ↗ |
| 8-K | 2026-07-30 | 2026-07-30 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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