Latest filingAug 31, 2026Most recent Form 4
COSO
CoastalSouth Bancshares, Inc.
NYSEFinancialsState Commercial Banks
Insider activity for last month from 08/16 to 09/16. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$10.9M2 sells
Net open-market-$10.9M1 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- S · Open-market sells · dominant2 · 100%
Activity by reported role
A joint filing can contribute to multiple roles2transactions
- Director · dominant2 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBruderer Ernst W.Common Stock · Direct
41,131Aug 31, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 16 → Sep 16
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Top insiders
By absolute net value across the selected period- BW-$54.9k
Recent filing activity
Most recent 1 transactions · color = transaction code- SSell08/31-$5.48MSEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
COSO transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
CoastalSouth Bancshares, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at CoastalSouth Bancshares, Inc.?
Bruderer Ernst W..
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Bruderer Ernst W. reported a sale on Aug 31, 2026 valued at $5.48M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $109,859.60. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.