SOMN — SOUTHERN CO
Price · 2025-11-12 → 2026-08-21
194 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 2025-11-12.
Performance
Technicals
Dividends
Measured signals that fired on SOMN
| 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 |
| 2026-07-09 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-15 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-15 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 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 |
|---|---|---|
| Capital World Investors | 598.4M | 11.6M |
| FRANKLIN RESOURCES INC | 346.9M | 6.7M |
| VOYA INVESTMENT MANAGEMENT LLC | 249.3M | 4.8M |
| BlackRock, Inc. | 141.4M | 2.8M |
| Calamos Advisors LLC | 107.0M | 2.1M |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 101.1M | 2.0M |
| Portman Square Capital LLP | 69.2M | 1.3M |
| AMERIPRISE FINANCIAL INC | 60.4M | 1.2M |
| ADVENT CAPITAL MANAGEMENT /DE/ | 58.1M | 1.1M |
| Nuveen, LLC | 33.2M | 646.9K |
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 →
Ask the AI about SOMN
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →