Ernst W. Bruderer

CIK: 0002067397

Transaction Breakdown

Open Market Buys (P)1 (16.7%)

High conviction signal

Open Market Sales (S)4 (66.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (16.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

COSO

CoastalSouth Bancshares, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

COSO
CoastalSouth Bancshares, Inc.
Oct 23, 2026
Sale(S)
Direct
6K shares at avg. $27.92$167K
COSO
CoastalSouth Bancshares, Inc.
Aug 26, 2026
Sale(S)
Direct
2K shares at avg. $27.50$55K
COSO
CoastalSouth Bancshares, Inc.
Aug 18, 2026
Sale(S)
Direct
1K shares at avg. $27.89$28K
COSO
CoastalSouth Bancshares, Inc.
Aug 12, 2026
Sale(S)
Direct
1K shares at avg. $27.56$28K
COSO
CoastalSouth Bancshares, Inc.
Feb 11, 2026
Award(A)
Restricted Stock Units
Direct
868 shares-
COSO
CoastalSouth Bancshares, Inc.
Jul 2, 2025
Purchase(P)
Direct
2K shares at avg. $21.50$43K

		Type	Shares	Price		Ownership
Oct 23, 2026	COSO CoastalSouth Bancshares, Inc.	Sale(S)	6,000	$27.92	$167,495	Direct
Aug 26, 2026	COSO CoastalSouth Bancshares, Inc.	Sale(S)	2,000	$27.50	$55,004	Direct
Aug 18, 2026	COSO CoastalSouth Bancshares, Inc.	Sale(S)	1,000	$27.89	$27,890	Direct
Aug 12, 2026	COSO CoastalSouth Bancshares, Inc.	Sale(S)	1,000	$27.56	$27,564	Direct
Feb 11, 2026	COSO CoastalSouth Bancshares, Inc.	Award(A) Restricted Stock Units	868	-	-	Direct
Jul 2, 2025	COSO CoastalSouth Bancshares, Inc.	Purchase(P)	2,000	$21.50	$43,000	Direct

1-6 of 6 transactions

About Bruderer Ernst W.

Bruderer Ernst W. (SEC CIK 0002067397) files insider reports with the SEC as Director of CoastalSouth Bancshares, Inc. (COSO).

Signal8 holds 7 ownership filings by Bruderer Ernst W. (1 Form 3, 6 Form 4), filed between Jul 1, 2025 and Oct 26, 2026. Those filings report 6 transactions, from Jul 2, 2025 to Oct 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Bruderer Ernst W.'s filings is in ATLANTA, GA.

Recent filings by Bruderer Ernst W.

Oct 23, 2026: Open-market sale of COSO shares (Form 4, code S).
Aug 26, 2026: Open-market sale of COSO shares (Form 4, code S).
Aug 18, 2026: Open-market sale of COSO shares (Form 4, code S).
Aug 12, 2026: Open-market sale of COSO shares (Form 4, code S).
Feb 11, 2026: Grant or award of COSO derivative securities (Form 4, code A).

Other insiders filing for CoastalSouth Bancshares, Inc. (COSO)

MACLEOD JAMES S, Director
Valduga Anthony P., CFO AND COO
Stone Stephen R., PRESIDENT AND CEO
Hemby Lauren M., CHIEF ACCOUNTING OFFICER
Turner Cameron Bradley, CHIEF CREDIT OFFICER
Fraser John Simon, Director

How to read Form 4 transaction codes