Insider Transactions Reported by 14 Insiders of First Seacoast Bancorp, Inc.

Symbol: FSEA on Nasdaq
Location: Dover, NH

Key facts

FSEA - First Seacoast Bancorp, Inc. has 14 insiders with reported activity on this page.
Net insider value flow over the last year: +$32,653.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: $71,752; sell value: $39,099.
Net share flow: +2,672.

Research use

This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Evidence

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Net insider flow leans to buying over the last 12 months. Net value: +$32,653.

Buys

$71,752

Shares: 6,122

Insiders: 4

Sells

$39,099

Shares: 3,450

Insiders: 1

Net

+$32,653

Shares: +2,672

Insiders: 3

Window (months)	Buy shares	Sell shares	Buy $	Sell $	Net $
0-3	0	0	$0	$0	$0
3-6	2,322	0	$28,396	$0	+$28,396
6-9	1,200	1,750	$13,764	$20,260	-$6,496
9-12	2,600	1,700	$29,592	$18,839	+$10,753

First Seacoast Bancorp, Inc. executives and other stock owners filed with the SEC include:

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Richard M. Donovan	President and CFO	$1,054,193	+$28,396	+2.8%	Mixed	09 Dec 2025
James R. Brannen	Chief Executive Officer, Director	$826,377	+$11,362	+1.4%	Mixed	15 Aug 2025
John E. Swenson	EVP and COO	$480,036	+$6,991	+1.5%	Mixed	21 Aug 2025
Mark P. Boulanger	Director	$322,606	+$25,004	+8.4%	Mixed	03 Sep 2025
Timothy F. Dargan	SVP and Sr. CLO	$236,140			Mixed	02 Dec 2024
James Jalbert	Director	$191,028			Mixed	02 Dec 2024
Michael J. Bolduc	Director	$191,028			Mixed	02 Dec 2024
Thomas J. Jean	Director	$178,491	-$39,099	-18%	Mixed	17 Jun 2025
Jean Tremblay	SVP and Sr. RLO	$165,389			Mixed	02 Dec 2024
Dana C. Lynch	Director	$153,972			Mixed	02 Dec 2024
Janet Sylvester	Director	$119,820			Mixed	02 Dec 2024
Erica A. Johnson	Director	$115,714			Mixed	02 Dec 2024
J. Williamson Reid	Director	$111,929			Mixed	02 Dec 2024
Paul Nee	SVP and CIO	$106,922			Mixed	02 Dec 2024

Top shareholders of First Seacoast Bancorp, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
First Seacoast Bank Employee Stock Ownership Plan Trust	13D/G	—	8.8%	414,733	$5,474,476	-$45,844	31 Dec 2025	13D/G
DAB Financial LLC	13D/G	—	8.2%	384,847	$4,483,468	+$1,306,932	21 May 2025	13D/G
SPENCE LIMITED, LP	13D/G	—	5.3%	231,867	$2,701,251	$0	31 Dec 2024	13D/G
ALLIANCEBERNSTEIN L.P.	13F	Company	9.7%	458,062	$6,046,418	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	3.9%	185,528	$2,330,232	—	31 Mar 2026	13F
Elizabeth Park Capital Advisors, Ltd.	13F	Company	2.9%	138,076	$1,734,235	—	31 Mar 2026	13F
Polaris Capital Management, LLC	13F	Company	1.9%	90,537	$1,137,145	—	31 Mar 2026	13F
FLYWHEEL PRIVATE WEALTH LLC	13F	Company	1.1%	50,088	$629,105	—	31 Mar 2026	13F
FIRST MANHATTAN CO. LLC.	13F	Company	1.1%	50,000	$628,000	—	31 Mar 2026	13F
RBF Capital, LLC	13F	Company	0.83%	39,049	$490,455	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.67%	31,757	$399,034	—	31 Mar 2026	13F
BlackRock, Inc.	13F	Company	0.66%	31,026	$389,687	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	0.46%	21,851	$274,449	—	31 Mar 2026	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.46%	21,632	$271,698	—	31 Mar 2026	13F
Pallas Capital Advisors LLC	13F	Company	0.41%	19,286	$242,232	—	31 Mar 2026	13F
Integrated Wealth Concepts LLC	13F	Company	0.27%	12,537	$157,465	—	31 Mar 2026	13F
Farther Finance Advisors, LLC	13F	Company	0.13%	6,000	$75,510	—	31 Mar 2026	13F
UBS Group AG	13F	Company	0.01%	272	$3,416	—	31 Mar 2026	13F
BLUELINE ADVISORS LLC	13F	Company	0%	167	$2,098	—	31 Mar 2026	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0%	2	$25	—	31 Mar 2026	13F
Richard M. Donovan	3/4/5	President and CFO	— mixed-class rows	89,820 mixed-class rows	$1,054,193	+$28,396	09 Dec 2025	3/4/5
James R. Brannen	3/4/5	Chief Executive Officer, Director	— mixed-class rows	73,217 mixed-class rows	$826,377	+$11,362	15 Aug 2025	3/4/5
John E. Swenson	3/4/5	EVP and COO	— mixed-class rows	41,856 mixed-class rows	$480,036	+$6,991	21 Aug 2025	3/4/5
Mark P. Boulanger	3/4/5	Director	— mixed-class rows	28,510 mixed-class rows	$322,606	+$25,004	03 Sep 2025	3/4/5
Timothy F. Dargan	3/4/5	SVP and Sr. CLO	— mixed-class rows	46,183 mixed-class rows	$236,140	—	02 Dec 2024	3/4/5
James Jalbert	3/4/5	Director	— mixed-class rows	31,046 mixed-class rows	$191,028	—	02 Dec 2024	3/4/5
Michael J. Bolduc	3/4/5	Director	— mixed-class rows	31,046 mixed-class rows	$191,028	—	02 Dec 2024	3/4/5
Thomas J. Jean	3/4/5	Director	— mixed-class rows	15,396 mixed-class rows	$178,491	-$39,099	17 Jun 2025	3/4/5
Jean Tremblay	3/4/5	SVP and Sr. RLO	— mixed-class rows	33,488 mixed-class rows	$165,389	—	02 Dec 2024	3/4/5
Dana C. Lynch	3/4/5	Director	— mixed-class rows	36,355 mixed-class rows	$153,972	—	02 Dec 2024	3/4/5
Janet Sylvester	3/4/5	Director	— mixed-class rows	23,294 mixed-class rows	$119,820	—	02 Dec 2024	3/4/5
Erica A. Johnson	3/4/5	Director	— mixed-class rows	22,847 mixed-class rows	$115,714	—	02 Dec 2024	3/4/5
J. Williamson Reid	3/4/5	Director	— mixed-class rows	22,435 mixed-class rows	$111,929	—	02 Dec 2024	3/4/5
Paul Nee	3/4/5	SVP and CIO	— mixed-class rows	27,129 mixed-class rows	$106,922	—	02 Dec 2024	3/4/5

Recent Insider Transactions by Companies or Individuals for First Seacoast Bancorp, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider	Symbol	Class	Transaction	%	Value $	* Price $	Shares	Shares Owned	Date	Ownership
Richard M. Donovan	FSEA	Common Stock	Purchase	77.3%	$28,396	$12.23	2,322	5,325	09 Dec 2025	By Roth IRA
Thomas J. Jean	FSEA	Common Stock	Sale	-25.4%	$20,260	$11.58	-1,750	5,146	18 Nov 2025	Direct
Mark P. Boulanger	FSEA	Common Stock	Purchase	22.6%	$13,764	$11.47	1,200	6,501	03 Sep 2025	By IRA
John E. Swenson	FSEA	Common Stock	Purchase	3.51%	$6,991	$11.65	600	17,704	21 Aug 2025	Direct
James R. Brannen	FSEA	Common Stock	Purchase	1.56%	$5,654	$11.31	500	32,637	15 Aug 2025	Direct
Thomas J. Jean	FSEA	Common Stock	Sale	-19.8%	$18,839	$11.08	-1,700	6,896	17 Jun 2025	Direct
Mark P. Boulanger	FSEA	Common Stock	Purchase	23.2%	$11,240	$11.24	1,000	5,301	05 Jun 2025	By IRA
James R. Brannen	FSEA	Common Stock	Purchase	1.58%	$5,708	$11.42	500	32,137	04 Jun 2025	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.