Esselystyn William R
SEC insider (Form 3/4/5 filer). CIK 0001903631. VP-Information Systems at CFSB Bancorp, Inc. /MA/ (CFSB). 5 reported Form 4/5 transactions since Sep 2024; latest on Oct 31, 2025. Located in QUINCY, MA.
Companies Esselystyn William R has filed insider reports for
- CFSB Bancorp, Inc. /MA/ (CFSB): Officer, VP-Information Systems
Esselystyn William R
CIK: 0001903631
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)5 (100.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
CFSB
CFSB Bancorp, Inc. /MA/
Officer
Discretionary Trading P&L
Holdings
Transaction History (5 total)
- Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DispositionDirect6K shares- - Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DispositionIndirect2.4K shares- - Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DispositionIndirect11.9K shares- - Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DispositionIndirect350 shares- - Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DispositionIndirect200 shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | Disposition | 6,000 | - | - | Direct |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | Disposition | 2,351 | - | - | Indirect |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | Disposition | 11,940 | - | - | Indirect |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | Disposition | 350 | - | - | Indirect |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | Disposition | 200 | - | - | Indirect |
1-5 of 5 transactions