NYSE · CIK 0001297107
COSO CoastalSouth Bancshares, Inc.
Insider trading from SEC Form 4. Last filing 29 d ago. Close $26.67 on Oct 9, 2026, +27% from the 52-week low and -5% from the high.
CoastalSouth Bancshares, Inc. (COSO) has 33 SEC Form 4 filings on file from 14 insiders, the latest filed on Sep 14, 2026. In the last 90 days insiders made 1 open-market buy worth $9,350 and 0 open-market sells worth $0, net +$9,350.
16 open-market trades have been scored at COSO. The newest: James S Macleod (director) bought $9,350 of stock on Aug 6, 2026, filed Sep 14, 2026, scored 10 (weak). The largest of the 16 shown: Joseph V. Topper Jr. (director) bought $2.1M on Jul 2, 2025, scored 65 (notable). 12 insiders bought within 14 days of each other around Jul 2, 2025.
COSO closed at $26.67 on Oct 9, 2026, 27% above its 52-week low and 5% below its 52-week high.
Last 90 days
Price and insider trades, last year
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at CoastalSouth Bancshares, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 10Weak | James S Macleod director buy | $9,350 334 shares | +0% | - | |
| 32Weak | Anthony P. Valduga CFO AND COO sell | $118k 4,558 shares | -5% | +34% from low-1% from high | |
| 20Weak | Stephen R. Stone PRESIDENT AND CEO buy | $4,830 200 shares | +0% | +24% from low-5% from high | |
| 29Weak | Michael B High director buy | $38k 1,500 shares | - | +31% from low-0% from high | |
| 46Moderate | John G Aldridge Jr director buy | $108k 5,000 shares | +38% | +11% from low-2% from high | |
| 40Moderate | L. Scott Askins director buy | $50k 2,325 shares | +20% | +11% from low-2% from high | |
| 36Weak | Ernst W. Bruderer director buy | $43k 2,000 shares | +4% | +11% from low-2% from high | |
| 50Moderate | James N. Richardson Jr. director buy | $430k 20,000 shares | +18% | +11% from low-2% from high | |
| 36Weak | Cameron Bradley Turner CHIEF CREDIT OFFICER buy | $22k 1,000 shares | +20% | +11% from low-2% from high | |
| 65Notable | Joseph V. Topper Jr. director buy | $2.1M 100,000 shares | +1266% | +11% from low-2% from high | |
| 43Moderate | Patrick M Frawley director buy | $100k 4,650 shares | +6% | +11% from low-2% from high | |
| 53Moderate | Boris Gutin director buy | $237k 11,000 shares | +151% | +11% from low-2% from high | |
| 42Moderate | Anthony P. Valduga CFO AND COO buy | $32k 1,500 shares | +2% | +11% from low-2% from high | |
| 46Moderate | Stephen R. Stone PRESIDENT AND CEO buy | $47k 2,200 shares | +2% | +11% from low-2% from high | |
| 50Moderate | Lauren M. Hemby CHIEF ACCOUNTING OFFICER buy | $97k 4,500 shares | +78% | +11% from low-2% from high | |
| 50Moderate | James S Macleod director buy | $215k 10,000 shares | - | +11% from low-2% from high |
Transactions
Every row filed, 43 in all.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | James S Macleod director | POpen-market purchase Common Stock | +96 | $27.61 | $2,651 | 201,347 | 29 d ago |
| Aug 7, 2026 | James S Macleod director | POpen-market purchase Common Stock | +238 | $28.15 | $6,700 | 201,585 | 29 d ago |
| May 6, 2026 | Anthony P. Valduga CFO AND COO | SOpen-market sale Common Stock | -4,558 | $25.84 | $118k | 86,115 | May 6, 2026 |
| May 6, 2026 | Anthony P. Valduga CFO AND COO | GGift Common Stock | -2,000 | $0.00 | $0 | 84,115 | May 6, 2026 |
| Apr 27, 2026 | Cameron Bradley Turner CHIEF CREDIT OFFICER | MOption exercise Common Stock | +4,000 | $0.00 | $0 | 10,000 | Apr 29, 2026 |
| Apr 27, 2026 | Anthony P. Valduga CFO AND COO | MOption exercise Common Stock | +13,000 | $0.00 | $0 | 94,514 | Apr 29, 2026 |
| Apr 27, 2026 | Lauren M. Hemby CHIEF ACCOUNTING OFFICER | MOption exercise Common Stock | +4,000 | $0.00 | $0 | 14,250 | Apr 29, 2026 |
| Apr 27, 2026 | Stephen R. Stone PRESIDENT AND CEO | MOption exercise Common Stock | +17,000 | $0.00 | $0 | 137,385 | Apr 29, 2026 |
| Apr 27, 2026 | Cameron Bradley Turner CHIEF CREDIT OFFICER | FTax withholding Common Stock | -1,169 | $25.59 | $30k | 8,831 | Apr 29, 2026 |
| Apr 27, 2026 | Anthony P. Valduga CFO AND COO | FTax withholding Common Stock | -3,841 | $25.59 | $98k | 90,673 | Apr 29, 2026 |
| Apr 27, 2026 | Stephen R. Stone PRESIDENT AND CEO | FTax withholding Common Stock | -5,022 | $25.59 | $129k | 132,363 | Apr 29, 2026 |
| Apr 27, 2026 | Lauren M. Hemby CHIEF ACCOUNTING OFFICER | FTax withholding Common Stock | -1,181 | $25.59 | $30k | 13,069 | Apr 29, 2026 |
| Apr 27, 2026 | Lauren M. Hemby CHIEF ACCOUNTING OFFICER | MOption exercise Restricted Stock Unitsderivative | -4,000 | - | - | 0 | Apr 29, 2026 |
| Apr 27, 2026 | Stephen R. Stone PRESIDENT AND CEO | MOption exercise Restricted Stock Unitsderivative | -17,000 | - | - | 0 | Apr 29, 2026 |
| Apr 27, 2026 | Cameron Bradley Turner CHIEF CREDIT OFFICER | MOption exercise Restricted Stock Unitsderivative | -4,000 | - | - | 0 | Apr 29, 2026 |
| Apr 27, 2026 | Anthony P. Valduga CFO AND COO | MOption exercise Restricted Stock Unitsderivative | -13,000 | - | - | 0 | Apr 29, 2026 |
| Mar 9, 2026 | Stephen R. Stone PRESIDENT AND CEO | POpen-market purchase Common Stock | +200 | $24.15 | $4,830 | 120,385 | Mar 9, 2026 |
| Feb 11, 2026 | James N. Richardson Jr. director | AGrant or award Restricted Stock Unitsderivative | +868 | - | - | 868 | Feb 13, 2026 |
| Feb 11, 2026 | Patrick M Frawley director | AGrant or award Restricted Stock Unitsderivative | +868 | - | - | 868 | Feb 13, 2026 |
| Feb 11, 2026 | Cameron Bradley Turner CHIEF CREDIT OFFICER | AGrant or award Restricted Stock Unitsderivative | +1,500 | - | - | 1,500 | Feb 13, 2026 |
| Feb 11, 2026 | Mark Griffith director | AGrant or award Restricted Stock Unitsderivative | +987 | - | - | 987 | Feb 13, 2026 |
| Feb 11, 2026 | Michael B High director | AGrant or award Restricted Stock Unitderivative | +868 | - | - | 868 | Feb 13, 2026 |
| Feb 11, 2026 | Anthony P. Valduga CFO AND COO | AGrant or award Restricted Stock Unitderivative | +10,000 | - | - | 10,000 | Feb 13, 2026 |
| Feb 11, 2026 | James S Macleod director | AGrant or award Restricted Stock Unitsderivative | +1,189 | - | - | 1,189 | Feb 13, 2026 |
| Feb 11, 2026 | Joseph V. Topper Jr. director | AGrant or award Restricted Stock Unitsderivative | +927 | - | - | 927 | Feb 13, 2026 |
| Feb 11, 2026 | Stephen R. Stone PRESIDENT AND CEO | AGrant or award Restricted Stock Unitsderivative | +12,000 | - | - | 12,000 | Feb 13, 2026 |
| Feb 11, 2026 | Ernst W. Bruderer director | AGrant or award Restricted Stock Unitsderivative | +868 | - | - | 868 | Feb 13, 2026 |
| Feb 11, 2026 | L. Scott Askins director | AGrant or award Restricted Stock Unitsderivative | +927 | - | - | 927 | Feb 13, 2026 |
| Feb 11, 2026 | John G Aldridge Jr director | AGrant or award Restricted Stock Unitsderivative | +927 | - | - | 927 | Feb 13, 2026 |
| Feb 11, 2026 | Lauren M. Hemby CHIEF ACCOUNTING OFFICER | AGrant or award Restricted Stock Unitsderivative | +4,000 | - | - | 4,000 | Feb 13, 2026 |
| Feb 10, 2026 | Michael B High director | POpen-market purchase Common Stockindirect: By IRA | +1,500 | $25.14 | $38k | 1,500 | Feb 12, 2026 |
| Jul 2, 2025 | James S Macleod director | POpen-market purchase Common Stock | +10,000 | $21.50 | $215k | 10,000 | Jul 7, 2025 |
| Jul 2, 2025 | Lauren M. Hemby CHIEF ACCOUNTING OFFICER | POpen-market purchase Common Stock | +4,500 | $21.50 | $97k | 10,250 | Jul 7, 2025 |
| Jul 2, 2025 | Stephen R. Stone PRESIDENT AND CEO | POpen-market purchase Common Stock | +2,200 | $21.50 | $47k | 120,185 | Jul 7, 2025 |
| Jul 2, 2025 | Anthony P. Valduga CFO AND COO | POpen-market purchase Common Stock | +1,500 | $21.50 | $32k | 81,514 | Jul 7, 2025 |
| Jul 2, 2025 | Boris Gutin director | POpen-market purchase Common Stock | +11,000 | $21.50 | $237k | 18,284 | Jul 7, 2025 |
| Jul 2, 2025 | Patrick M Frawley director | POpen-market purchase Common Stock | +4,650 | $21.50 | $100k | 83,549 | Jul 7, 2025 |
| Jul 2, 2025 | Joseph V. Topper Jr. director | POpen-market purchase Common Stock | +100,000 | $21.50 | $2.1M | 107,900 | Jul 7, 2025 |
| Jul 2, 2025 | Cameron Bradley Turner CHIEF CREDIT OFFICER | POpen-market purchase Common Stock | +1,000 | $21.50 | $22k | 6,000 | Jul 7, 2025 |
| Jul 2, 2025 | James N. Richardson Jr. director | POpen-market purchase Common Stock | +20,000 | $21.50 | $430k | 128,891 | Jul 7, 2025 |
| Jul 2, 2025 | Ernst W. Bruderer director | POpen-market purchase Common Stock | +2,000 | $21.50 | $43k | 47,131 | Jul 7, 2025 |
| Jul 2, 2025 | L. Scott Askins director | POpen-market purchase Common Stock | +2,325 | $21.50 | $50k | 13,990 | Jul 7, 2025 |
| Jul 2, 2025 | John G Aldridge Jr director | POpen-market purchase Common Stock | +5,000 | $21.50 | $108k | 18,129 | Jul 7, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- John G Aldridge Jrdirector
- L. Scott Askinsdirector
- Ernst W. Brudererdirector
- Patrick M Frawleydirector
- Mark Griffithdirector
- Boris Gutindirector
- Michael B Highdirector
- Lauren M. HembyCHIEF ACCOUNTING OFFICER
- James S Macleoddirector
- James N. Richardson Jr.director
- Stephen R. StonePRESIDENT AND CEO
- Joseph V. Topper Jr.director, owner
- Cameron Bradley TurnerCHIEF CREDIT OFFICER
- Anthony P. ValdugaCFO AND COO
Questions about COSO
Answered from the filings on this page, as of the latest one.
Are insiders buying COSO?
As of Sep 14, 2026, SEC Form 4 filings show 1 open-market buy worth $9,350 by 1 insider and 0 open-market sells worth $0 by 0 insiders at CoastalSouth Bancshares, Inc. in the last 90 days, net +$9,350. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.
Who was the last insider to trade COSO on the open market?
James S Macleod (director) bought $9,350 of COSO on Aug 6, 2026 and filed the Form 4 on Sep 14, 2026. InsiderTell scored 10 (weak).
How many insiders file Form 4 at CoastalSouth Bancshares, Inc.?
14 people have filed a Form 4 at CoastalSouth Bancshares, Inc., among them John G Aldridge Jr (director), L. Scott Askins (director), Ernst W. Bruderer (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.