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.
| 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
|
13%
|
$38,511,000
997,943 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
5.8%
|
$16,855,611
436,787 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.5%
|
$16,142,214
418,288 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.3%
|
$12,551,513
325,253 shares
|
— | 31 Mar 2026 |
| Pacific Ridge Capital Partners, LLC |
13F
Company
|
2.8%
|
$8,030,347
208,094 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2%
|
$5,905,981
153,008 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.
| 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.
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 |