FS Bancorp, Inc. (FSBW) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through February 19, 2026 reveals that FS Bancorp's three principal insider shareholders consist of Chief Lending Officer Dennis V O'Leary (57.25K shares), Director/Ceo Joseph C. Adams (18.53K shares), Chief Home Lending Officer/Evp Donn C Costa (16.21K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Dennis V O'Leary Chief Lending Officer 57,249 17 Aug, 2022
Joseph C. Adams Director/Ceo 18,529 10 Feb, 2026
Donn C Costa Chief Home Lending Officer/Evp 16,210 10 Feb, 2026
Margaret R. Piesik 14,918 19 Aug, 2024
Matthew D. Mullet President & Ceo Of The Bank 11,472 10 Feb, 2026
Erin Burr Cro & Cra Officer And Evp 10,403 10 Feb, 2026
Victoria Jarman Chr & Wow! Officer And Evp 7,207 10 Feb, 2026
Robert B Fuller Retired Chief Credit Officer 5,656 28 Aug, 2023
Pamela Marie Andrews 4,600 10 Feb, 2026
Michael J. Mansfield 4,600 09 Feb, 2026
Sean Mccormick Chief Credit Admin. Officer 3,600 19 Aug, 2025
Terri L Degner 3,560 19 Aug, 2025
Kelli Nielsen Chf. Retail Banking Officr/Evp 2,595 09 Feb, 2026
Mark Tueffers 1,000 05 Jun, 2022
Joseph P. Zavaglia 667 09 Feb, 2026
Phillip Dean Whittington Chief Financial Officer 500 09 Feb, 2026
Marina Cofer-Wildsmith 443 09 Feb, 2026
Shana Allen Chief Information Officer And Evp 284 09 Feb, 2026
Ted A. Leech 211 09 Feb, 2026
Robert A Nesbitt Chief Credit Operations And Evp 197 09 Feb, 2026
Ben Crowl Chief Lending Officer And Evp 128 10 Feb, 2026
Lisa Cleary Chief Operating Officer 29 08 Nov, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
06 Feb, 2026 Donn C Costa Common Stock A 505 $42.28 4,759 D J
06 Feb, 2026 Joseph C. Adams Common Stock A 177 $42.28 1,999 D J
06 Feb, 2026 Matthew D. Mullet Common Stock A 213 $42.28 1,404 D J
06 Feb, 2026 Ted A. Leech Common Stock A 207 $42.28 211 D J
06 Feb, 2026 Joseph P. Zavaglia Common Stock A 59 $42.28 667 D J
06 Feb, 2026 Marina Cofer-Wildsmith Common Stock A 443 $42.28 443 D J
06 Feb, 2026 Michael J. Mansfield Common Stock A 414 $42.28 4,600 D J
06 Feb, 2026 Kelli Nielsen Common Stock A 18 $42.28 109 D J
06 Feb, 2026 Erin Burr Common Stock A 213 $42.28 3,098 D J
06 Feb, 2026 Pamela Marie Andrews Common Stock A 414 $42.28 4,600 D J
06 Feb, 2026 Shana Allen Common Stock A 35 $42.28 284 D J
06 Feb, 2026 Ben Crowl Common Stock A 18 $42.28 128 D J
06 Feb, 2026 Robert A Nesbitt Common Stock A 13 $42.28 197 D J
06 Feb, 2026 Phillip Dean Whittington Common Stock A 89 $42.28 500 D J
02 Feb, 2026 Victoria Jarman Common Stock A 89 $42.28 1,559 D J
21 Nov, 2025 Marina Cofer-Wildsmith Common Stock D 2,371 $40.00 0 D S
21 Nov, 2025 Marina Cofer-Wildsmith Common Stock D 2,371 $40.00 0 D S
20 Nov, 2025 Marina Cofer-Wildsmith Common Stock D 161 $40.00 2,371 D S
20 Nov, 2025 Marina Cofer-Wildsmith Common Stock D 161 $40.00 2,371 D S
14 Nov, 2025 Marina Cofer-Wildsmith Common Stock A 17 $29.30 5,607 D M