CoastalSouth Bancshares, Inc.
COSO- Exchange
- NYSE
- Industry
- State Commercial Banks
- SEC CIK
- 0001297107
In the last 90 days, CoastalSouth Bancshares, Inc. insiders filed 1 open-market purchase and 4 sales; 100 institutions reported holding it in 13F filings for Q2 2026, worth $184.6M in total; no superinvestor holds it.
Holders of 5% or more of COSO
Holders whose latest Schedule 13D or 13G filing reports 5% or more of CoastalSouth Bancshares, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of CoastalSouth Bancshares, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on CoastalSouth Bancshares, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 18, 20262:14 PM ET | Patriot Financial Partners II, L.P.and 10 others | 13G/A | 4.80%573.0K shares | −1.00 ppfrom 5.80%Below 5% | Aug 14, 2026 | SEC |
| Aug 14, 20264:32 PM ET | Fourthstone LLCand 5 others | 13G/A | 1.87%225.2K shares | −7.31 ppfrom 9.18%Below 5% | Jun 30, 2026 | SEC |
| May 28, 20269:48 AM ET | EJF Capital LLCand 5 others | 13G/A | 1.60%192.7K shares | −6.90 ppfrom 8.50%Below 5% | Mar 31, 2026 | SEC |
| May 15, 20264:52 PM ET | Fourthstone LLCand 5 others | 13G/A | 9.18%1.10M shares | +1.17 ppfrom 8.01% | Mar 31, 2026 | SEC |
| May 6, 20265:09 PM ET | Patriot Financial Partners II, L.P.and 10 others | 13G/A | 5.80%691.4K shares | −3.07 ppfrom 8.87% | Apr 29, 2026 | SEC |
| Feb 13, 20264:10 PM ET | Fourthstone LLCand 5 others | 13G | 8.01%959.8K shares | New | Dec 31, 2025 | SEC |
| Nov 13, 202511:26 AM ET | EJF Capital LLCand 5 others | 13G | 8.50%930.2K shares | New | Jul 1, 2025 | SEC |
| Sep 17, 202510:50 AM ET | Patriot Financial Partners II, L.P.and 10 others | 13G | 8.87%719.2K shares | New | Jul 1, 2025 | SEC |
Form 144: proposed insider sales
5 notices from officers, directors and other affiliates planning to sell CoastalSouth Bancshares, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Oct 23, 20263:35 PM ET | Bruderer Ernst W.Director | 6.00K | $167.3K | Oct 23, 2026 | Raymond James & Associates, Inc. | SEC |
| Aug 31, 20264:09 PM ET | Bruderer Ernst W.Officer | 2.00K | $54.9K | Aug 31, 2026 | Raymond James and Associates | SEC |
| Aug 26, 20264:36 PM ET | Bruderer Ernst W.Officer | 2.00K | $55.0K | Aug 26, 2026 | Raymond James and Associates Inc. | SEC |
| Aug 25, 202610:35 AM ET | Bruderer Ernst W.Officer | 1.00K | $27.6K | Aug 10, 2026 | Raymond James and Associates | SEC |
| Aug 24, 20262:17 PM ET | Bruderer Ernst W.Officer | 1.00K | $27.9K | Aug 18, 2026 | Raymond James and Associates | SEC |