First Seacoast Bancorp, Inc. SEC EDGAR Filings (CIK 0001943802)

SEC EDGAR filings, ownership reports, and insider transactions for First Seacoast Bancorp, Inc..

Symbol
FSEA on Nasdaq
Industry
Savings Institution, Federally Chartered (Office Of Finance)
Business address
633 Central Avenue, Dover, NH, 03820
Fiscal year end
31 December
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First Seacoast Bancorp, Inc. has filed 143 SEC EDGAR filings since 13 Sep 2022

Latest Filings

Recent SEC filings for First Seacoast Bancorp, Inc. including 4, 10-Q, 11-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 10 Dec 2025 09 Dec 2025
4 Open 4 document View SEC filing for 4 FORM 4 19 Nov 2025 17 Jun 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 14 Nov 2025 30 Sep 2025 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 03 Sep 2025 03 Sep 2025
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2025 21 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2025 15 Aug 2025
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Aug 2025 30 Jun 2025 001-41597
11-K Open 11-K document View SEC filing for 11-K FIRST SEACOAST BANCORP, INC. FORM 11-K DECEMBER 31, 2024 26 Jun 2025 31 Dec 2024 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 06 Jun 2025 05 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Jun 2025 04 Jun 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K MAY 29, 2025 29 May 2025 29 May 2025 001-41597
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 22 May 2025 005-94018
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 May 2025 31 Mar 2025 001-41597
ARS Open ARS document View SEC filing for ARS ARS 22 Apr 2025 31 Dec 2024 001-41597
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 22 Apr 2025 29 May 2025 001-41597
SCHEDULE 13D Open SCHEDULE 13D document View SEC filing for SCHEDULE 13D 14 Apr 2025 005-94018
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 21 Mar 2025 31 Dec 2024 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K MARCH 5, 2025 05 Mar 2025 05 Mar 2025 001-41597
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Feb 2025 005-94018
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 10 Feb 2025 005-94018
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 05 Feb 2025 005-94018
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A FIRST SEACOAST BANCORP, INC. FORM 8-K/A JANUARY 30, 2025 04 Feb 2025 30 Jan 2025 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 31 Jan 2025 30 Jan 2025 001-41597
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Jan 2025 02 Dec 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Jan 2025 02 Dec 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Jan 2025 02 Dec 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Jan 2025 02 Dec 2024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Jan 2025 02 Dec 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 12 Dec 2024 12 Dec 2024 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2024 03 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 02 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 21 Nov 2024 20 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 15 Nov 2024 13 Nov 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 08 Nov 2024 30 Sep 2024 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 21 Aug 2024 19 Aug 2024
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 21 Aug 2024 19 Jan 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 Aug 2024 14 Aug 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Aug 2024 30 Jun 2024 001-41597
11-K Open 11-K document View SEC filing for 11-K FIRST SEACOAST BANCORP, INC. FORM 11-K DECEMBER 31, 2023 02 Jul 2024 31 Dec 2023 001-41597
NT 11-K Open NT 11-K document View SEC filing for NT 11-K FIRST SEACOAST BANCORP, INC. FORM 12B-25 (FORM 11-K) DECEMBER 31, 2023 28 Jun 2024 31 Dec 2023 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 17 Jun 2024 11 Jun 2024 001-41597
S-8 Open S-8 document View SEC filing for S-8 FIRST SEACOAST BANCORP, INC. FORM S-8 REGISTRATION STATEMENT JUNE 6, 2024 06 Jun 2024 333-279996
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 30 May 2024 30 May 2024 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2024 20 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2024 15 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2024 14 May 2024
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 May 2024 31 Mar 2024 001-41597
ARS Open ARS document View SEC filing for ARS ARS 22 Apr 2024 31 Dec 2023 001-41597
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 22 Apr 2024 30 May 2024 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 11 Apr 2024 11 Apr 2024 001-41597
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 29 Mar 2024 31 Dec 2023 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K MARCH 1, 2024 05 Mar 2024 01 Mar 2024 001-41597
SC 13G Open SC 13G document View SEC filing for SC 13G SEC SCHEDULE 13G 14 Feb 2024 005-94018
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 14 Feb 2024 005-94018
SC 13G Open SC 13G document View SEC filing for SC 13G FIRST SEACOAST BANCORP, INC. SCHEDULE 13G DECEMBER 31, 2023 12 Feb 2024 005-94018
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 25 Jan 2024 25 Jan 2024 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 17 Jan 2024 16 Jan 2024 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2023 13 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2023 01 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2023 01 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 29 Nov 2023 29 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 29 Nov 2023 28 Nov 2023 001-41597
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Nov 2023 30 Sep 2023 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K OCTOBER 25, 2023 26 Oct 2023 25 Oct 2023 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 17 Aug 2023 16 Aug 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2023 30 Jun 2023 001-41597
11-K Open 11-K document View SEC filing for 11-K FIRST SEACOAST BANCORP, INC. FORM 11-K DECEMBER 31, 2022 16 Jun 2023 31 Dec 2022 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 30 May 2023 25 May 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K MAY 25, 2023 26 May 2023 25 May 2023 001-41597
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2023 17 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2023 17 May 2023
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 12 May 2023 31 Mar 2023 001-41597
ARS Open ARS document View SEC filing for ARS ARS 18 Apr 2023 31 Dec 2022 001-41597
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 18 Apr 2023 001-41597
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 17 Apr 2023 25 May 2023 001-41597
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 24 Mar 2023 31 Dec 2022 001-41597
SC 13G Open SC 13G document View SEC filing for SC 13G 20 Mar 2023 005-94018
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 23 Feb 2023 23 Feb 2023 001-41597
EFFECT Open EFFECT document View SEC filing for EFFECT 26 Jan 2023 333-267398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K JANUARY 26, 2023 26 Jan 2023 26 Jan 2023 001-41597
POS AM Open POS AM document View SEC filing for POS AM POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 24 Jan 2023 333-267398
S-8 Open S-8 document View SEC filing for S-8 FIRST SEACOAST BANCORP, INC. 401(K) PLAN FORM S-8 JANUARY 20, 2023 20 Jan 2023 333-269317
S-8 Open S-8 document View SEC filing for S-8 FIRST SEACOAST BANCORP, INC. EQUITY INCENTIVE PLAN FORM S-8 JANUARY 20, 2023 20 Jan 2023 333-269316
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FIRST SEACOAST BANCORP, INC. FORM 8-K JANUARY 19, 2023 19 Jan 2023 19 Jan 2023 001-41597
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
3 Open 3 document View SEC filing for 3 FORM 3 19 Jan 2023 19 Jan 2023
8-A12B Open 8-A12B document View SEC filing for 8-A12B FIRST SEACOAST BANCORP, INC. FORM 8-A JANUARY 19, 2023 19 Jan 2023 001-41597
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Jan 2023 10 Jan 2023 333-267398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Dec 2022 29 Dec 2022 333-267398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Dec 2022 21 Dec 2022 333-267398
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Dec 2022 333-267398
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Nov 2022 333-267398
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Nov 2022 333-267398
424B3 Open 424B3 document View SEC filing for 424B3 424B3 21 Nov 2022 333-267398
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Nov 2022 14 Nov 2022 333-267398
EFFECT Open EFFECT document View SEC filing for EFFECT 14 Nov 2022 333-267398
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Nov 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Nov 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Nov 2022
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 10 Nov 2022 333-267398
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 08 Nov 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 27 Oct 2022
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 27 Oct 2022 333-267398
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 11 Oct 2022
S-1 Open S-1 document View SEC filing for S-1 S-1 13 Sep 2022 333-267398

About this filer

First Seacoast Bancorp, Inc. files with the SEC under CIK 0001943802. This page aggregates EDGAR filings and related ownership activity.

Industry: Savings Institution, Federally Chartered.

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FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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