COSO — CoastalSouth Bancshares, Inc.
Price · 2025-07-02 → 2026-08-21
287 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 2025-07-02.
Performance
Technicals
Dividends
Measured signals that fired on COSO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-07 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-07-28 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-26 | 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 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-04-29 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-04-21 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 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 |
|---|---|---|---|---|---|
| 2026-08-18 | Bruderer Ernst W. Director | Open-market sale | 1.0K | 27.89 | 27.9K |
| 2026-08-12 | Bruderer Ernst W. Director | Open-market sale 10b5-1 plan | 1.0K | 27.56 | 27.6K |
| 2026-05-06 | Valduga Anthony P. CFO AND COO | Open-market sale | 4.6K | 25.84 | 117.8K |
| 2026-05-06 | Valduga Anthony P. CFO AND COO | Gift | 2.0K | 0.00 | 0 |
| 2026-04-27 | Stone Stephen R. PRESIDENT AND CEO | Shares withheld for tax | 5.0K | 25.59 | 128.5K |
| 2026-04-27 | Valduga Anthony P. CFO AND COO | Shares withheld for tax | 3.8K | 25.59 | 98.3K |
| 2026-04-27 | Hemby Lauren M. CHIEF ACCOUNTING OFFICER | Shares withheld for tax | 1.2K | 25.59 | 30.2K |
| 2026-04-27 | Turner Cameron Bradley CHIEF CREDIT OFFICER | Shares withheld for tax | 1.2K | 25.59 | 29.9K |
| 2026-04-27 | Valduga Anthony P. CFO AND COO | Option exercise | 13.0K | 0.00 | 0 |
| 2026-04-27 | Hemby Lauren M. CHIEF ACCOUNTING OFFICER | Option exercise | 4.0K | 0.00 | 0 |
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 |
|---|---|---|
| Patriot Financial Partners GP II, L.P. | 28.5M | 1.2M |
| Fourthstone LLC | 27.1M | 1.1M |
| BlackRock, Inc. | 12.1M | 492.0K |
| VANGUARD CAPITAL MANAGEMENT LLC | 10.0M | 406.4K |
| ALLIANCEBERNSTEIN L.P. | 9.2M | 397.6K |
| Berkeley Capital Partners, LLC | 8.9M | 360.6K |
| MENDON CAPITAL ADVISORS CORP | 8.1M | 329.7K |
| North Reef Capital Management LP | 7.9M | 321.0K |
| Curi Capital, LLC | 7.4M | 303.0K |
| GOLDMAN SACHS GROUP INC | 6.3M | 258.1K |
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 →
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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