SEC ownership of FS Bancorp, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001530249.

CIK
0001530249
Symbol
FSBW on Nasdaq
Location
Mountlake Terrace, WA
Parsed ownership evidence
13D/G, 13F, and 3/4/5
Lead holder
De Lisle Partners LLP
13D/G signal
De Lisle Partners LLP
Latest evidence date
06 May 2026

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
De Lisle Partners LLP
13D/G signal
De Lisle Partners LLP
Evidence rows
50
Latest as of
06 May 2026
13D/G 13F 3/4/5 Lead comparable stake: 5.1% 13D/G row: De Lisle Partners LLP Showing first 8 of 50 holder rows. Open remaining rows
Holder Evidence Ownership % Position 12M Net Δ As of
De Lisle Partners LLP
13D/G 13F
Company
5.1%
$15,869,018
385,451 shares
$0 31 Dec 2025
Donn C. Costa
3/4/5
Chief Home Lending, EVP
0.19%
$555,541
14,396 shares
06 May 2026
T. Rowe Price Investment Management, Inc.
13F
Company
13F
13%
$38,511,000
997,943 shares
31 Mar 2026
BlackRock, Inc.
13F
Company
13F
5.8%
$16,855,611
436,787 shares
31 Mar 2026
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
5.5%
$16,142,214
418,288 shares
31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13F
Company
13F
4.3%
$12,551,513
325,253 shares
31 Mar 2026
Pacific Ridge Capital Partners, LLC
13F
Company
13F
2.8%
$8,030,347
208,094 shares
31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
2%
$5,905,981
153,008 shares
31 Mar 2026
Show 42 additional holder rows in the full holder list
Holder Evidence Ownership % Position 12M Net Δ As of
TCW GROUP INC
13F
Company
13F
2%
$5,866,799
152,029 shares
31 Mar 2026
ALLIANCEBERNSTEIN L.P.
13F
Company
13F
1.9%
$5,963,022
144,839 shares
31 Mar 2026
STATE STREET CORP
13F
Company
13F
1.7%
$4,951,290
128,305 shares
31 Mar 2026
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
1.4%
$4,201,872
108,885 shares
31 Mar 2026
ROYCE & ASSOCIATES LP
13F
Company
13F
1.3%
$3,785,139
98,086 shares
31 Mar 2026
ACADIAN ASSET MANAGEMENT LLC
13F
Company
13F
1.1%
$3,314,000
85,983 shares
31 Mar 2026
AMERICAN CENTURY COMPANIES INC
13F
Company
13F
1.1%
$3,304,848
85,640 shares
31 Mar 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F
Company
13F
1.1%
$3,291,495
85,294 shares
31 Mar 2026
NORTHERN TRUST CORP
13F
Company
13F
0.97%
$2,836,443
73,502 shares
31 Mar 2026
Stilwell Value LLC
13F
Company
13F
0.95%
$2,778,480
72,000 shares
31 Mar 2026
Siena Capital Partners GP, LLC
13F
Company
13F
0.69%
$2,023,698
52,441 shares
31 Mar 2026
Bank of New York Mellon Corp
13F
Company
13F
0.64%
$1,870,053
48,459 shares
31 Mar 2026
Empowered Funds, LLC
13F
Company
13F
0.53%
$1,536,770
39,823 shares
31 Mar 2026
VANGUARD FIDUCIARY TRUST CO
13F
Company
13F
0.53%
$1,532,216
39,705 shares
31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
Company
13F
0.49%
$1,434,776
37,180 shares
31 Mar 2026
TWO SIGMA INVESTMENTS, LP
13F
Company
13F
0.48%
$1,396,958
36,200 shares
31 Mar 2026
MORGAN STANLEY
13F
Company
13F
0.46%
$1,339,752
34,717 shares
31 Mar 2026
Aristides Capital LLC
13F
Company
13F
0.46%
$1,328,924
34,437 shares
31 Mar 2026
Daytona Street Capital LLC
13F
Company
13F
0.43%
$1,269,104
32,437 shares
31 Mar 2026
RAYMOND JAMES FINANCIAL INC
13F
Company
13F
0.41%
$1,210,203
31,361 shares
31 Mar 2026
HighTower Advisors, LLC
13F
Company
13F
0.39%
$1,138,675
29,507 shares
31 Mar 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
Company
13F
0.35%
$1,031,858
26,739 shares
31 Mar 2026
GOLDMAN SACHS GROUP INC
13F
Company
13F
0.31%
$898,298
23,278 shares
31 Mar 2026
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
13F
0.29%
$847,051
21,950 shares
31 Mar 2026
PANAGORA ASSET MANAGEMENT INC
13F
Company
13F
0.29%
$837,403
21,700 shares
31 Mar 2026
Teton Advisors, LLC
13F
Company
13F
0.28%
$810,390
21,000 shares
31 Mar 2026
Clearstead Advisors, LLC
13F
Company
13F
0.26%
$771,800
20,000 shares
31 Mar 2026
BARCLAYS PLC
13F
Company
13F
0.25%
$737,685
19,116 shares
31 Mar 2026
LSV ASSET MANAGEMENT
13F
Company
13F
0.25%
$722,000
18,700 shares
31 Mar 2026
Quantinno Capital Management LP
13F
Company
13F
0.24%
$692,883
17,955 shares
31 Mar 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
13F
0.23%
$677,486
17,556 shares
31 Mar 2026
CALDWELL SUTTER CAPITAL, INC.
13F
Company
13F
0.2%
$584,330
15,142 shares
31 Mar 2026
Angel Oak Capital Advisors, LLC
13F
Company
13F
0.2%
$578,850
15,000 shares
31 Mar 2026
AQR CAPITAL MANAGEMENT LLC
13F
Company
13F
0.16%
$478,170
12,391 shares
31 Mar 2026
Squarepoint Ops LLC
13F
Company
13F
0.16%
$459,028
11,895 shares
31 Mar 2026
Creative Planning
13F
Company
13F
0.15%
$430,394
11,153 shares
31 Mar 2026
Trexquant Investment LP
13F
Company
13F
0.15%
$425,609
11,029 shares
31 Mar 2026
MILLENNIUM MANAGEMENT LLC
13F
Company
13F
0.13%
$372,355
9,649 shares
31 Mar 2026
Nuveen, LLC
13F
Company
13F
0.12%
$352,867
9,144 shares
31 Mar 2026
JACOBS LEVY EQUITY MANAGEMENT, INC
13F
Company
13F
0.11%
$326,819
8,469 shares
31 Mar 2026
BEESE FULMER INVESTMENT MANAGEMENT, INC.
13F
Company
13F
0.11%
$312,579
8,100 shares
31 Mar 2026
RHUMBLINE ADVISERS
13F
Company
13F
0.1%
$301,843
7,822 shares
31 Mar 2026
How to read this table

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.

Forms 3/4/5 flow

Insider trading overview

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

Buys
$0
Insiders: 0
Sells
$1,631,198
Insiders: 2
Net
-$1,631,198
Shares: -40,032
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 40,032
Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 2,532 $0 $101,261 -$101,261
9-12 0 37,500 $0 $1,529,937 -$1,529,937

Reporting owners

Insider holders from Forms 3/4/5

Current reporting-owner rows connected to FS Bancorp, Inc.. Open the relationship link for the CIK-to-CIK filing trail.

Rows
24
Lead holder
Ted A. Leech
Net 12M change
-$1,631,198
Latest report
06 May 2026
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

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 % Reported value Reported 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 next to the price means the reported price is likely invalid.
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