COSO
CoastalSouth Bancshares, Inc. · Finance & Insurance · Market cap $333.8M
Insiders sold $323K net in the last 90 days ·1 seller, 1 buyer· latest Form 4 filed Oct 26, 2026
Insider Buying
$52K
reported purchases (SEC code P)
Insider Selling
$451K
reported sales (SEC code S)
Unique Insiders
5
in the rolling window
Latest filing
Oct 26, 2026
Bruderer Ernst W.
CoastalSouth Bancshares, Inc. (COSO) has 13 SEC Form 4 filings (19 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Oct 26, 2026.
Inside the rolling window, 5 insiders at CoastalSouth Bancshares, Inc. reported 4 open-market purchases totaling $52K and 6 open-market sales totaling $451K. The most active filer is Director Bruderer Ernst W. with 5 filings. Insiders have net sold $441K over the trailing 6 months. The most recent open-market filing is a sale of 6,000 shares by Director Bruderer Ernst W., dated Oct 23, 2026, worth $167K.
- Industry:Banks - Regional
- CEO:Stephen R. Stone
- Employees:196
- HQ:Atlanta, GA, US
- IPO:2025-05-08
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Director | Sale | 6,000 | $167K | Oct 26 | — | SEC ↗ | |
MACLEOD JAMES SFirst filing | Director | Purchase | 96 | $3K | Sep 14 | +1.4% | SEC ↗ |
MACLEOD JAMES SFirst filing | Director | Purchase | 238 | $7K | Sep 14 | +1.4% | SEC ↗ |
| Director | Sale | 2,000 | $55K | Aug 31 | +1.9% | SEC ↗ | |
| Director | Sale | 2,000 | $55K | Aug 26 | +2.1% | SEC ↗ | |
| Director | Sale | 1,000 | $28K | Aug 18 | +0.4% | SEC ↗ | |
Bruderer Ernst W.First filing | Director | Sale | 1,000 | $28K | Aug 13 | -0.3% | SEC ↗ |
Valduga Anthony P.First filing | CFO AND COO | Sale | 4,558 | $118K | May 6 | +8.1% | SEC ↗ |
Stone Stephen R.First filing | PRESIDENT AND CEO | Purchase | 200 | $5K | Mar 9 | +16.2% | SEC ↗ |
HIGH MICHAEL BFirst filing | Director | Purchase | 1,500 | $38K | Feb 12 | +12.3% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does COSO have?
CoastalSouth Bancshares, Inc. (COSO) has 13 SEC Form 4 filings (19 transaction rows) in the rolling 365-day window, disclosed by 5 distinct insiders. Most recent filing: Oct 26, 2026.
When was the most recent SEC Form 4 filing for COSO?
The most recent Form 4 filing for COSO on Tracefour is dated Oct 26, 2026.
Who is the most active insider at COSO?
The most active SEC Form 4 filer at COSO in the rolling window is Director Bruderer Ernst W., with 5 filings.
What is the net insider flow at COSO over the last 6 months?
Over the trailing 180 days, insiders at COSO have net sold $441K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at COSO in the current window?
Inside the rolling window, insiders at COSO bought $52K and sold $451K based on SEC Form 4 filings.
Can I get alerts for COSO insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at CoastalSouth Bancshares, Inc. (COSO). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
CoastalSouth Bancshares, Inc. is in the Finance & Insurance sector.