William R. Esselystyn
VP-Information Systems · CFSB Bancorp, Inc. /MA/
Individual
- 2025
- Oct 31, 2025
- 1
Filings (90d)
Other insiders active in the same sector
No other insider has filed at William R. Esselystyn's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- LandBridge Holdings LLC - $268.81M in LB purchases and sales in the last 12 months
- David N. Capobianco - $268.81M in LB purchases and sales in the last 12 months
- Charles A. Davis - $237.77M in AXS purchases and sales in the last 12 months
- ONEX CORP - $225.94M in RYAN purchases and sales in the last 12 months
- FTV VII, L.P. - $221.50M in NP purchases and sales in the last 12 months
- Japan Post Holdings Co., Ltd. - $218.07M in AFL purchases and sales in the last 12 months
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Frequently asked questions
Who is William R. Esselystyn?
William R. Esselystyn is a corporate insider, tracked as VP-Information Systems of CFSB Bancorp, Inc. /MA/ (CFSB). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did William R. Esselystyn last file a Form 4?
The only primary Form 4 on record is dated 31 October 2025.
