13 insiders reported 30 Form 4 transactions for CoastalSouth Bancshares, Inc. (COSO) over the past 18 months (most recent 2026-09-14). Recent activity: MACLEOD JAMES S (Director) Buy 96 shares, MACLEOD JAMES S (Director) Buy 238 shares, Bruderer Ernst W. (Director) Sell 2,000 shares, Bruderer Ernst W. (Director) Sell 2,000 shares, Bruderer Ernst W. (Director) Sell 1,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | MACLEOD JAMES S | Director | Buy | 96 | $2,651 |
| 2026-09-14 | MACLEOD JAMES S | Director | Buy | 238 | $6,700 |
| 2026-08-31 | Bruderer Ernst W. | Director | Sell | 2,000 | $54,856 |
| 2026-08-26 | Bruderer Ernst W. | Director | Sell | 2,000 | $55,004 |
| 2026-08-18 | Bruderer Ernst W. | Director | Sell | 1,000 | $27,890 |
| 2026-08-13 | Bruderer Ernst W. | Director | Sell | 1,000 | $27,564 |
| 2026-05-06 | Valduga Anthony P. | CFO AND COO | Sell | 4,558 | $117,779 |
| 2026-05-06 | Valduga Anthony P. | CFO AND COO | Sell | 2,000 | $0 |
| 2026-04-29 | Turner Cameron Bradley | CHIEF CREDIT OFFICER | Buy | 4,000 | $0 |
| 2026-04-29 | Hemby Lauren M. | CHIEF ACCOUNTING OFFICER | Sell | 1,181 | $30,222 |
| 2026-04-29 | Stone Stephen R. | PRESIDENT AND CEO | Buy | 17,000 | $0 |
| 2026-04-29 | Stone Stephen R. | PRESIDENT AND CEO | Sell | 5,022 | $128,513 |
| 2026-04-29 | Hemby Lauren M. | CHIEF ACCOUNTING OFFICER | Buy | 4,000 | $0 |
| 2026-04-29 | Turner Cameron Bradley | CHIEF CREDIT OFFICER | Sell | 1,169 | $29,915 |
| 2026-04-29 | Valduga Anthony P. | CFO AND COO | Buy | 13,000 | $0 |
| 2026-04-29 | Valduga Anthony P. | CFO AND COO | Sell | 3,841 | $98,291 |
| 2026-03-09 | Stone Stephen R. | PRESIDENT AND CEO | Buy | 200 | $4,830 |
| 2026-02-12 | HIGH MICHAEL B | Director | Buy | 1,500 | $37,710 |
| 2025-07-07 | Gutin Boris | Director | Buy | 11,000 | $236,500 |
| 2025-07-07 | ALDRIDGE JOHN G JR | Director | Buy | 5,000 | $107,500 |
| 2025-07-07 | Bruderer Ernst W. | Director | Buy | 2,000 | $43,000 |
| 2025-07-07 | Topper Joseph V. Jr. | Director | Buy | 100,000 | $2.1M |
| 2025-07-07 | FRAWLEY PATRICK M | Director | Buy | 4,650 | $99,975 |
| 2025-07-07 | Turner Cameron Bradley | CHIEF CREDIT OFFICER | Buy | 1,000 | $21,500 |
| 2025-07-07 | MACLEOD JAMES S | Director | Buy | 10,000 | $215,000 |
Source: SEC Form 4 filings · as of 2026-09-14