Insider Transactions Reported by 24 Insiders of FS Bancorp, Inc.

Symbol: FSBW on Nasdaq
Location: Mountlake Terrace, WA

Key facts

FSBW - FS Bancorp, Inc. has 24 insiders with reported activity on this page.
Net insider value flow over the last year: -$1,631,198.
Recent transaction rows are available for direct filing-level review.

Change

Buy value: ; sell value: $1,631,198.
Net share flow: -40,032.

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 selling over the last 12 months. Net value: -$1,631,198.

Buys

Shares: 0

Insiders: 0

Sells

$1,631,198

Shares: 40,032

Insiders: 2

Net

-$1,631,198

Shares: -40,032

Insiders: -2

Window (months)	Sell shares	Buy $	Sell $	Net $
0-3	0	$0	$0	$0
3-6	0	$0	$0	$0
6-9	17,178	$0	$713,903	-$713,903
9-12	22,854	$0	$917,295	-$917,295

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

Name	Relationship	Holdings Value	Past Year Net Change	Change %	Valuation	Report Date
Ted A. Leech	Director, Chairman of the Board	$3,045,059			Median	06 May 2026
Dennis V O'Leary	Chief Lending Officer	$2,773,884			Mixed	09 May 2023
Matthew D. Mullet	Pres & CEO of 1st Security Ban	$1,551,278			Median	06 May 2026
Joseph C. Adams	Director/CEO-FS Bancorp, Inc., Director	$771,722	-$1,529,937	-66%	Median	06 May 2026
Michael J. Mansfield	Director	$758,022			Median	06 May 2026
Margaret R. Piesik	Director	$658,604			Mixed	15 Aug 2024
Donn C. Costa	Chief Home Lending, EVP	$555,541			Median	06 May 2026
Erin Burr	CRO & CRA Officer, EVP	$431,860			Median	06 May 2026
Joseph P. Zavaglia	Director	$399,058			Median	06 May 2026
Shana Allen	Chief Information Officer, EVP	$350,627			Median	06 May 2026
Sean McCormick	Chief Credit Admin. Officer	$329,574			Mixed	15 Aug 2025
Victoria Jarman	CHR & WOW! Officer, EVP	$298,647			Median	06 May 2026
Pamela Marie Andrews	Director	$193,837			Median	06 May 2026
Robert B. Fuller	Retired Chief Credit Officer	$178,144			Mixed	25 Aug 2023
FS Bancorp, Inc.	Chief Credit Officer	$178,144			Mixed	04 Aug 2023
Terri L. Degner	Director	$144,432			Mixed	15 Aug 2025
Stephanie Nicklaus	Chief Credit Officer	$122,520			Mixed	17 Aug 2023
Kelli Nielsen	Chief Retail Banking, EVP	$108,359			Median	06 May 2026
Robert A. Nesbitt	CCO Officer/EVP	$58,810			Median	06 May 2026
Ben Crowl	Chief Lending Officer, EVP	$43,683			Median	06 May 2026
Marina Cofer-Wildsmith	Director	$32,261	-$101,261	-76%	Median	06 May 2026
Phillip Dean Whittington	Chief Financial Officer	$31,836			Median	06 May 2026
Mark Tueffers	Retired Director	$6,126			Mixed	02 Jun 2022
Lisa Cleary	Chief Operating Officer	$891			Mixed	04 Nov 2022

Top shareholders of FS 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 by the holder's primary source 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
De Lisle Partners LLP	13D/G 13F	Company	5.1%	385,451	$15,869,018	$0	31 Dec 2025	13D/G 13F
Donn C. Costa	3/4/5	Chief Home Lending, EVP	0.19%	14,396	$555,541	—	06 May 2026	3/4/5
T. Rowe Price Investment Management, Inc.	13F	Company	13%	997,943	$38,511,000	—	31 Mar 2026	13F
BlackRock, Inc.	13F	Company	5.8%	436,787	$16,855,611	—	31 Mar 2026	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	5.5%	418,288	$16,142,214	—	31 Mar 2026	13F
VANGUARD CAPITAL MANAGEMENT LLC	13F	Company	4.3%	325,253	$12,551,513	—	31 Mar 2026	13F
Pacific Ridge Capital Partners, LLC	13F	Company	2.8%	208,094	$8,030,347	—	31 Mar 2026	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	2%	153,008	$5,905,981	—	31 Mar 2026	13F
TCW GROUP INC	13F	Company	2%	152,029	$5,866,799	—	31 Mar 2026	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	1.9%	144,839	$5,963,022	—	31 Mar 2026	13F
STATE STREET CORP	13F	Company	1.7%	128,305	$4,951,290	—	31 Mar 2026	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	1.4%	108,885	$4,201,872	—	31 Mar 2026	13F
ROYCE & ASSOCIATES LP	13F	Company	1.3%	98,086	$3,785,139	—	31 Mar 2026	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.1%	85,983	$3,314,000	—	31 Mar 2026	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.1%	85,640	$3,304,848	—	31 Mar 2026	13F
BRIDGEWAY CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	85,294	$3,291,495	—	31 Mar 2026	13F
NORTHERN TRUST CORP	13F	Company	0.97%	73,502	$2,836,443	—	31 Mar 2026	13F
Stilwell Value LLC	13F	Company	0.95%	72,000	$2,778,480	—	31 Mar 2026	13F
Siena Capital Partners GP, LLC	13F	Company	0.69%	52,441	$2,023,698	—	31 Mar 2026	13F
Bank of New York Mellon Corp	13F	Company	0.64%	48,459	$1,870,053	—	31 Mar 2026	13F
Empowered Funds, LLC	13F	Company	0.53%	39,823	$1,536,770	—	31 Mar 2026	13F
VANGUARD FIDUCIARY TRUST CO	13F	Company	0.53%	39,705	$1,532,216	—	31 Mar 2026	13F
VANGUARD PORTFOLIO MANAGEMENT LLC	13F	Company	0.49%	37,180	$1,434,776	—	31 Mar 2026	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.48%	36,200	$1,396,958	—	31 Mar 2026	13F
MORGAN STANLEY	13F	Company	0.46%	34,717	$1,339,752	—	31 Mar 2026	13F
Aristides Capital LLC	13F	Company	0.46%	34,437	$1,328,924	—	31 Mar 2026	13F
Daytona Street Capital LLC	13F	Company	0.43%	32,437	$1,269,104	—	31 Mar 2026	13F
RAYMOND JAMES FINANCIAL INC	13F	Company	0.41%	31,361	$1,210,203	—	31 Mar 2026	13F
HighTower Advisors, LLC	13F	Company	0.39%	29,507	$1,138,675	—	31 Mar 2026	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.35%	26,739	$1,031,858	—	31 Mar 2026	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.31%	23,278	$898,298	—	31 Mar 2026	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.29%	21,950	$847,051	—	31 Mar 2026	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.29%	21,700	$837,403	—	31 Mar 2026	13F
Teton Advisors, LLC	13F	Company	0.28%	21,000	$810,390	—	31 Mar 2026	13F
Clearstead Advisors, LLC	13F	Company	0.26%	20,000	$771,800	—	31 Mar 2026	13F
BARCLAYS PLC	13F	Company	0.25%	19,116	$737,685	—	31 Mar 2026	13F
LSV ASSET MANAGEMENT	13F	Company	0.25%	18,700	$722,000	—	31 Mar 2026	13F
Quantinno Capital Management LP	13F	Company	0.24%	17,955	$692,883	—	31 Mar 2026	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.23%	17,556	$677,486	—	31 Mar 2026	13F
CALDWELL SUTTER CAPITAL, INC.	13F	Company	0.2%	15,142	$584,330	—	31 Mar 2026	13F
Angel Oak Capital Advisors, LLC	13F	Company	0.2%	15,000	$578,850	—	31 Mar 2026	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.16%	12,391	$478,170	—	31 Mar 2026	13F
Squarepoint Ops LLC	13F	Company	0.16%	11,895	$459,028	—	31 Mar 2026	13F
Creative Planning	13F	Company	0.15%	11,153	$430,394	—	31 Mar 2026	13F
Trexquant Investment LP	13F	Company	0.15%	11,029	$425,609	—	31 Mar 2026	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.13%	9,649	$372,355	—	31 Mar 2026	13F
Nuveen, LLC	13F	Company	0.12%	9,144	$352,867	—	31 Mar 2026	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.11%	8,469	$326,819	—	31 Mar 2026	13F
BEESE FULMER INVESTMENT MANAGEMENT, INC.	13F	Company	0.11%	8,100	$312,579	—	31 Mar 2026	13F
RHUMBLINE ADVISERS	13F	Company	0.1%	7,822	$301,843	—	31 Mar 2026	13F

Recent Insider Transactions by Companies or Individuals for FS 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
Robert A. Nesbitt	FSBW	Common Stock	Other	7.11%			14	211	06 May 2026	Direct
Donn C. Costa	FSBW	Common Stock	Other	6.93%			330	5,089	06 May 2026	Direct
Matthew D. Mullet	FSBW	Common Stock	Other	15.5%			218	1,622	06 May 2026	Direct
Michael J. Mansfield	FSBW	Common Stock	Other	9.2%			423	5,023	06 May 2026	Direct
Ted A. Leech	FSBW	Common Stock	Other	100.5%			212	423	06 May 2026	Direct
Marina Cofer-Wildsmith	FSBW	Common Stock	Other	88.7%			393	836	06 May 2026	Direct
Victoria Jarman	FSBW	Common Stock	Other	5.84%			91	1,650	06 May 2026	Direct
Joseph P. Zavaglia	FSBW	Common Stock	Other	9%			60	727	06 May 2026	Direct
Phillip Dean Whittington	FSBW	Common Stock	Other	18.2%			91	591	06 May 2026	Direct
Shana Allen	FSBW	Common Stock	Other	12.7%			36	320	06 May 2026	Direct
Ben Crowl	FSBW	Common Stock	Other	14.1%			18	146	06 May 2026	Direct
Joseph C. Adams	FSBW	Common Stock	Other	9.05%			181	2,180	06 May 2026	Direct
Pamela Marie Andrews	FSBW	Common Stock	Other	9.2%			423	5,023	06 May 2026	Direct
Kelli Nielsen	FSBW	Common Stock	Other	16.5%			18	127	06 May 2026	Direct
Erin Burr	FSBW	Common Stock	Other	7.04%			218	3,316	06 May 2026	Direct
Matthew D. Mullet	FSBW	Common Stock	Other	17.9%			213	1,404	06 Feb 2026	Direct
Michael J. Mansfield	FSBW	Common Stock	Other	9.89%			414	4,600	06 Feb 2026	Direct
Joseph P. Zavaglia	FSBW	Common Stock	Other	9.7%			59	667	06 Feb 2026	Direct
Pamela Marie Andrews	FSBW	Common Stock	Other	9.89%			414	4,600	06 Feb 2026	Direct
Shana Allen	FSBW	Common Stock	Other	14.1%			35	284	06 Feb 2026	Direct
Kelli Nielsen	FSBW	Common Stock	Other	19.8%			18	109	06 Feb 2026	Direct
Ted A. Leech	FSBW	Common Stock	Other	5175%			207	211	06 Feb 2026	Direct
Phillip Dean Whittington	FSBW	Common Stock	Other	21.6%			89	500	06 Feb 2026	Direct
Marina Cofer-Wildsmith	FSBW	Common Stock	Other				443	443	06 Feb 2026	Direct
Donn C. Costa	FSBW	Common Stock	Other	11.9%			505	4,759	06 Feb 2026	Direct
Joseph C. Adams	FSBW	Common Stock	Other	9.71%			177	1,999	06 Feb 2026	Direct
Ben Crowl	FSBW	Common Stock	Other	16.4%			18	128	06 Feb 2026	Direct
Robert A. Nesbitt	FSBW	Common Stock	Other	7.07%			13	197	06 Feb 2026	Direct
Erin Burr	FSBW	Common Stock	Other	7.38%			213	3,098	06 Feb 2026	Direct
Victoria Jarman	FSBW	Common Stock	Other	6.05%			89	1,559	02 Feb 2026	Direct
Marina Cofer-Wildsmith	FSBW	Common Stock	Sale	-100%	$94,821	$40.00	-2,371	0	21 Nov 2025	Direct
Marina Cofer-Wildsmith	FSBW	Common Stock	Sale	-6.36%	$6,440	$40.00	-161	2,371	20 Nov 2025	Direct
Marina Cofer-Wildsmith	FSBW	Common Stock	Tax liability	-60.4%			-8,543	5,590	13 Nov 2025	Direct
Shana Allen	FSBW	Common Stock	Other	18.6%			39	249	06 Nov 2025	Direct
Joseph. P. Zavaglia	FSBW	Common Stock	Other	12.2%			66	608	06 Nov 2025	Direct
Robert A. Nesbitt	FSBW	Common Stock	Other	8.88%			15	184	06 Nov 2025	Direct
Ben Crowl	FSBW	Common Stock	Other	22.2%			20	110	06 Nov 2025	Direct
Matthew D. Mullet	FSBW	Common Stock	Other	24.8%			237	1,191	06 Nov 2025	Direct
Victoria Jarman	FSBW	Common Stock	Other	7.22%			99	1,470	06 Nov 2025	Direct
Erin Burr	FSBW	Common Stock	Other	7.85%			210	2,885	06 Nov 2025	Direct
Ted A. Leech	FSBW	Common Stock	Other	34.8%			230	890	06 Nov 2025	Direct
Kelli Nielsen	FSBW	Common Stock	Other	28.2%			20	91	06 Nov 2025	Direct
Phillip Dean Whittington	FSBW	Common Stock	Other	31.7%			99	411	06 Nov 2025	Direct
Joseph C. Adams	FSBW	Common Stock	Other	12.1%			197	1,822	06 Nov 2025	Direct
Matthew D. Mullet	FSBW	Common Stock	Options Exercise	2.99%			3,090	106,340	05 Nov 2025	Direct
Matthew D. Mullet	FSBW	Stock Options (Right to Buy)	Options Exercise	-4.2%			-3,090	70,500	05 Nov 2025	Direct
Joseph C. Adams	FSBW	Common Stock	Sale	-13%	$612,642	$41.83	-14,646	97,775	27 Aug 2025	Direct
Joseph C. Adams	FSBW	Common Stock	Sale	-0.36%	$16,771	$41.72	-402	112,421	22 Aug 2025	Direct
Joseph C. Adams	FSBW	Common Stock	Sale	-5.59%	$267,027	$40.01	-6,674	112,823	21 Aug 2025	Direct
Joseph C. Adams	FSBW	Common Stock	Sale	-3.95%	$197,199	$40.13	-4,914	119,497	20 Aug 2025	Direct

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