Company Analysis

CoastalSouth Bancshares, Inc. (COSO)

NYSE: COSO · State Commercial Banks · Atlanta, GA · filing with the SEC since 2004
Grade5.1
◀ Past 4.9● Present 4.8▶ Future 5.9
4 est.

Filings

52 filings since 2017 beside 59 insider forms · and emerging growth company · read from EDGAR on Nov 13, 2026
Due next and emerging growth company
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 19 days after the quarter ended. The proxy statement was last filed Mar 13, 2026.

Filings a yearinsider forms included
1111115155
20112018201920202023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 2 times in the last 36 months, the newest Mar 4, 2026.SEC letters: 5 in the last 36 months, the newest Jun 30, 2025.
Insider forms 59

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 6, 2026 10-Q Quarterly report Sep 30, 2026
Oct 19, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Aug 18, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 14, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 7, 2026 10-Q Quarterly report Jun 30, 2026
Jul 24, 2026 8-K items 5.03, 9.01 Charter, bylaw or fiscal-year change · Current report Jul 23, 2026
Jul 20, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
May 28, 2026 SCHEDULE 13G/A Large holder update, amended
May 15, 2026 SCHEDULE 13G/A Large holder update, amended
May 8, 2026 10-Q Quarterly report Mar 31, 2026
May 6, 2026 SCHEDULE 13G/A Large holder update, amended
May 1, 2026 8-K items 8.01, 9.01 Other event · Current report Apr 30, 2026
Apr 24, 2026 8-K item 5.07 Shareholder vote · Current report Apr 23, 2026
Apr 20, 2026 8-K items 2.02, 7.01, 9.01 Results released; Investor disclosure (Regulation FD) · Current report
Mar 13, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 13, 2026 DEFA14A Extra proxy material
Mar 13, 2026 DEF 14A Proxy statement Dec 31, 2025
Mar 12, 2026 S-8 Employee stock plan registration
Mar 12, 2026 10-K Annual report Dec 31, 2025
Mar 4, 2026 8-K item 5.02 Officer or director change · Current report Feb 26, 2026
Feb 13, 2026 SCHEDULE 13G Large holder notice
Jan 20, 2026 8-K items 2.02, 7.01 Results released; Investor disclosure (Regulation FD) · Current report
Nov 19, 2025 8-K item 5.02 Officer or director change · Current report Nov 18, 2025
Nov 13, 2025 SCHEDULE 13G Large holder notice
Nov 7, 2025 10-Q Quarterly report Sep 30, 2025
Oct 21, 2025 8-K items 2.02, 9.01 Results released · Current report Oct 20, 2025
Sep 17, 2025 SCHEDULE 13G Large holder notice
Sep 16, 2025 8-K item 8.01 Other event · Current report Sep 15, 2025
Aug 11, 2025 10-Q Quarterly report Jun 30, 2025
Jul 28, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 3, 2025 S-8 Employee stock plan registration
Jul 2, 2025 424B4 Offering prospectus
Jul 1, 2025 EFFECT Registration effective
Jul 1, 2025 8-A12B Class of securities registered for listing
Jul 1, 2025 CERT Exchange listing certification
Jun 30, 2025 CORRESP Reply to the SEC
Jun 30, 2025 CORRESP Reply to the SEC
Jun 24, 2025 CORRESP Reply to the SEC
Jun 24, 2025 FWP Offering communication
Jun 24, 2025 S-1/A Listing registration, amended
40 of 52 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton COSO · research, not advice