Comparable stake leader
De Lisle Partners LLP
SEC ownership of FS Bancorp, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001530249.
Disclosed value leader
T. Rowe Price Investment Management, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- FSBW on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
De Lisle Partners LLP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
De Lisle Partners LLP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001530249
- Issuer location
- Mountlake Terrace, WA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
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.
Comparable stake leader
De Lisle Partners LLP
Disclosed value leader
T. Rowe Price Investment ...
Comparable rows
50/50
Latest evidence
30 Jun 2026
13F
13D/G
3/4/5
Lead comparable stake: 5.1%
13D/G row: De Lisle Partners LLP
Showing 1-8 of 50 holder rows.
Quick read
De Lisle Partners LLP leads the comparable SEC ownership view at 5.1%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens De Lisle Partners LLP's linked filing trail.
Comparable ownership
Top 5
De Lisle Partners LLP
5.1%
Donn C. Costa
0.19%
T. Rowe Price Investment Manageme...
13%
BlackRock, Inc.
6.5%
DIMENSIONAL FUND ADVISORS LP
5.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| De Lisle Partners LLP |
13F
13D/G
Company
|
5.1%
from 13D/G
|
$16,955,778
391,651 shares
|
— | 30 Jun 2026 |
| 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
|
13%
|
$43,311,000
997,943 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
Company
|
6.5%
|
$21,212,834
488,775 shares
|
— | 30 Jun 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.6%
|
$18,299,377
421,646 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
3.9%
|
$12,774,833
294,351 shares
|
— | 30 Jun 2026 |
| Pacific Ridge Capital Partners, LLC |
13F
Company
|
2.7%
|
$8,962,057
206,499 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.2%
|
$7,225,183
166,440 shares
|
— | 30 Jun 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: -$713,903.
Buys
$0
Insiders: 0
Sells
$713,903
Insiders: 2
Net
-$713,903
Shares: -17,178
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 17,178
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 17,178 | $0 | $713,903 | -$713,903 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 24 reporting-owner rows connected to FS Bancorp, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
24
Largest Forms 3/4/5 holder
Matthew D. Mullet
Net 12M change
-$713,903
Latest report
14 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Matthew D. Mullet | President & CEO of the Bank | $6,553,095 | Median | 14 Aug 2026 | ||
| Joseph C. Adams | Director | $4,951,679 | -$612,642 | -11% | Median | 14 Aug 2026 |
| Michael J. Mansfield | Director | $3,710,786 | Median | 14 Aug 2026 | ||
| Ted A. Leech | Director, Chairman of the Board | $3,508,976 | Median | 14 Aug 2026 | ||
| Dennis V O'Leary | Chief Lending Officer | $2,773,884 | Mixed | 09 May 2023 | ||
| Erin Burr | CRO & CRA Officer, EVP | $1,769,895 | Median | 14 Aug 2026 | ||
| Victoria Jarman | CHR & WOW! Officer, EVP | $1,338,715 | Median | 14 Aug 2026 | ||
| Kelli Nielsen | Chief Retail Banking, EVP | $909,880 | Median | 14 Aug 2026 | ||
| Ben Crowl | Chief Lending Officer/EVP | $883,059 | Median | 14 Aug 2026 | ||
| Shana Allen | Chief Information Office, EVP | $772,866 | Median | 14 Aug 2026 | ||
| Joseph P. Zavaglia | Director | $741,358 | Median | 14 Aug 2026 | ||
| Margaret R. Piesik | Director | $658,604 | Mixed | 15 Aug 2024 | ||
| Pamela Marie Andrews | Director | $572,836 | Median | 14 Aug 2026 | ||
| Donn C. Costa | Chief Home Lending, EVP | $555,541 | Mixed | 06 May 2026 | ||
| Sean McCormick | Chief Credit Administration | $442,680 | Median | 14 Aug 2026 | ||
| Robert A. Nesbitt | Chief Credit Operations, EVP | $341,123 | Median | 14 Aug 2026 | ||
| Marina Cofer-Wildsmith | Director | $303,886 | -$101,261 | -25% | Median | 14 Aug 2026 |
| Phillip Dean Whittington | Chief Financial Officer | $297,940 | Median | 14 Aug 2026 | ||
| Terri L. Degner | Director | $178,373 | Median | 14 Aug 2026 | ||
| Robert B. Fuller | Retired Chief Credit Officer | $178,144 | Mixed | 25 Aug 2023 |
Recent insider transactions for FS Bancorp, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael J. Mansfield | FSBW | Common Stock | Award | 1.72% | 1,200 | 70,882 | 14 Aug 2026 | Direct | ||
| Victoria Jarman | FSBW | Common Stock | Award | 13.6% | 2,957 | 24,757 | 14 Aug 2026 | Direct | ||
| Sean McCormick | FSBW | Common Stock | Tax liability | -4.32% | -263 | 5,820 | 14 Aug 2026 | Direct | ||
| Sean McCormick | FSBW | Common Stock | Award | 69% | 2,483 | 6,083 | 14 Aug 2026 | Direct | ||
| Ben Crowl | FSBW | Common Stock | Tax liability | -2.97% | -592 | 19,361 | 14 Aug 2026 | Direct | ||
| Ben Crowl | FSBW | Common Stock | Award | 18.8% | 3,164 | 19,953 | 14 Aug 2026 | Direct | ||
| Robert A. Nesbitt | FSBW | Common Stock | Tax liability | -4.14% | -283 | 6,547 | 14 Aug 2026 | Direct | ||
| Robert A. Nesbitt | FSBW | Common Stock | Award | 57.1% | 2,483 | 6,830 | 14 Aug 2026 | Direct | ||
| Matthew D. Mullet | FSBW | Common Stock | Tax liability | -1.72% | -1,970 | 112,416 | 14 Aug 2026 | Direct | ||
| Matthew D. Mullet | FSBW | Common Stock | Award | 7.57% | 8,046 | 114,386 | 14 Aug 2026 | Direct | ||
| Erin Burr | FSBW | Common Stock | Tax liability | -1.93% | -649 | 32,906 | 14 Aug 2026 | Direct | ||
| Erin Burr | FSBW | Common Stock | Award | 9.78% | 2,989 | 33,555 | 14 Aug 2026 | Direct | ||
| Phillip Dean Whittington | FSBW | Common Stock | Tax liability | -5.73% | -403 | 6,631 | 14 Aug 2026 | Direct | ||
| Phillip Dean Whittington | FSBW | Common Stock | Award | 38.5% | 1,955 | 7,034 | 14 Aug 2026 | Direct | ||
| Terri L. Degner | FSBW | Common Stock | Tax liability | -18.9% | -650 | 2,787 | 14 Aug 2026 | Direct | ||
| Terri L. Degner | FSBW | Common Stock | Award | 53.6% | 1,200 | 3,437 | 14 Aug 2026 | Direct | ||
| Marina Cofer-Wildsmith | FSBW | Common Stock | Tax liability | -2.61% | -188 | 7,002 | 14 Aug 2026 | Direct | ||
| Marina Cofer-Wildsmith | FSBW | Common Stock | Award | 20% | 1,200 | 7,190 | 14 Aug 2026 | Direct | ||
| Pamela Marie Andrews | FSBW | Common Stock | Award | 10% | 1,200 | 13,199 | 14 Aug 2026 | Direct | ||
| Joseph C. Adams | FSBW | Common Stock | Tax liability | -2.73% | -2,699 | 96,276 | 14 Aug 2026 | Direct | ||
| Joseph C. Adams | FSBW | Common Stock | Award | 1.23% | 1,200 | 98,975 | 14 Aug 2026 | Direct | ||
| Joseph P. Zavaglia | FSBW | Common Stock | Tax liability | -2.46% | -188 | 7,468 | 14 Aug 2026 | Direct | ||
| Joseph P. Zavaglia | FSBW | Common Stock | Award | 18.6% | 1,200 | 7,656 | 14 Aug 2026 | Direct | ||
| Kelli Nielsen | FSBW | Common Stock | Tax liability | -4.12% | -785 | 18,284 | 14 Aug 2026 | Direct | ||
| Kelli Nielsen | FSBW | Common Stock | Award | 19% | 3,046 | 19,069 | 14 Aug 2026 | Direct | ||
| Shana Allen | FSBW | Common Stock | Tax liability | -5.84% | -561 | 9,042 | 14 Aug 2026 | Direct | ||
| Shana Allen | FSBW | Common Stock | Award | 49.1% | 3,164 | 9,603 | 14 Aug 2026 | Direct | ||
| Ted A. Leech | FSBW | Common Stock | Award | 102.8% | 1,200 | 2,367 | 14 Aug 2026 | Direct | ||
| Victoria Jarman | FSBW | Common Stock | Other | 5.26% | 86.67 | 1,734 | 06 Aug 2026 | Direct | ||
| Phillip Dean Whittington | FSBW | Common Stock | Other | 14.7% | 86.67 | 676 | 06 Aug 2026 | Direct | ||
| Robert A. Nesbitt | FSBW | Common Stock | Other | 6.16% | 13 | 224 | 06 Aug 2026 | Direct | ||
| Matthew D. Mullet | FSBW | Common Stock | Other | 12.8% | 208 | 1,830 | 06 Aug 2026 | Direct | ||
| Joseph P. Zavaglia | FSBW | Common Stock | Other | 7.95% | 57.78 | 785 | 06 Aug 2026 | Direct | ||
| Kelli Nielsen | FSBW | Common Stock | Other | 13.6% | 17.33 | 144 | 06 Aug 2026 | Direct | ||
| Ben Crowl | FSBW | Common Stock | Other | 11.9% | 17.33 | 163 | 06 Aug 2026 | Direct | ||
| Ted A. Leech | FSBW | Common Stock | Other | 47.8% | 202 | 625 | 06 Aug 2026 | Direct | ||
| Erin Burr | FSBW | Common Stock | Other | 6.27% | 208 | 3,524 | 06 Aug 2026 | Direct | ||
| Shana Allen | FSBW | Common Stock | Other | 10.8% | 34.67 | 355 | 06 Aug 2026 | Direct | ||
| Joseph C. Adams | FSBW | Common Stock | Other | 5.3% | 116 | 2,296 | 06 Aug 2026 | Direct | ||
| 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 |
* marks a reported price that did not pass the local price check.