WAVEMAN · COMPANY

COSO · Coastalsouth Bancshares, Inc.

LIVE

TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475

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COSO

Name: CoastalSouth Bancshares, Inc. (COSO) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

CoastalSouth Bancshares, Inc.

BANKS · STATE COMMERCIAL BANKS · CIK 0001297107

C-SUITE BUYING · 1FORM 144 · 4☆ WATCH

INSIDER NET · 180D

-$278.3K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

13F, latest reported quarter

REVENUE GROWTH

+6.4%

XBRL, annual

NET MARGIN

1254.0%

CONVERSIONS · 180D

codes C/M, not in net · $0 priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net -$278.3K over 180 days

-$165.3K over 90 days

below 55% of Banks

CONGRESS

no member of Congress has reported trading it

FUNDS

68 funds added or opened last quarter

below 69% of Banks

REVENUE

+6.4% year over year

more than 51% of Banks

MARGIN

1254.0% net margin

more than 96% of Banks

BUYBACKS

$1.2M repurchased, FY to 2026-06-30

below 72% of Banks

SHORT

1.0% of shares outstanding short · 1.7 days to cover · settled 2026-07-31

below 74% of Banks

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

4 insiders have filed intent to sell ($165.3K) and have not sold yet.

68 funds added or opened positions in the latest 13F quarter, of 104 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN +28.7%

+28.7%12M

INSIDER BUYINSIDER SELLFORM 144

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders have filed to sell — before selling.

The record shows a net $278.3K sold by insiders over 180 days, 68 funds added last quarter, $165.3K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UMBF BWFG PEBO PB FMBM GABC NEWT PCB DCOM ISBA WSBF JMSB

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, CoastalSouth Bancshares, Inc. insiders sold a net $278.3K of stock across 19 Form 4 purchases and sales, with 1 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER

FILED

VALUE

Bruderer Ernst W.

Director

SELL

2026-08-31

2,000.0

$54.9K

Bruderer Ernst W.

Director

SELL

2026-08-26

2,000.0

$55.0K

Bruderer Ernst W.

Director

SELL

2026-08-18

1,000.0

$27.9K

Bruderer Ernst W.

Director

SELL

2026-08-12

1,000.0

$27.6K

Valduga Anthony P.

CFO AND COO

SELL

2026-05-06

4,558.0

$117.8K

19 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 14 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

Patriot Financial Partners GP II, L.P.

691,367.0 sh

$18.6M

BlackRock, Inc.

584,198.0 sh

$15.7M

TWO SIGMA INVESTMENTS, LP

408,489.0 sh

$11.0M

VANGUARD CAPITAL MANAGEMENT LLC

395,093.0 sh

$10.6M

North Reef Capital Management LP

370,982.0 sh

$10.0M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

Planned sales · Form 144

Filed before the sale — intent, not a trade

Bruderer Ernst W.

FILED 2026-08-31

$54.9K

Bruderer Ernst W.

FILED 2026-08-26

$55.0K

Bruderer Ernst W.

FILED 2026-08-25

$27.6K

Bruderer Ernst W.

FILED 2026-08-24

$27.9K

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

RMB Mendon Financial Services Fund

$7.4M POSITION · AS OF 2026-03-31

3.3%

Goldman Sachs Small Cap Value Fund

$2.9M POSITION · AS OF 2026-02-28

0.3%

Penn Series Small Cap Value Fund

$440.4K POSITION · AS OF 2026-03-31

0.3%

Ultra-Small Company Market Fund

$366.6K POSITION · AS OF 2026-03-31

0.3%

Franklin Small Cap Enhanced ETF

$119.0K POSITION · AS OF 2026-03-31

0.1%

Hartford Multifactor Small Cap ETF

$43.5K POSITION · AS OF 2026-04-30

0.1%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-12	2024-12
REVENUE	$2.0M	$1.9M
NET INCOME	$24.9M	$21.9M
EPS (DILUTED)	2.16	2.09
OPERATING CASH FLOW	$63.1M	$-12.7M
BUYBACKS	$69.0K	—

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE