William R. Esselystyn serves as Executive at CFSB Bancorp, Inc. /MA/, where they oversee executive responsibilities. Since joining the company, William R. Esselystyn has executed 6 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Oct 31, 2025 involved selling 6,000 shares valued at $0.
William R. Esselystyn currently holds 6,000 shares of CFSB Bancorp, Inc. /MA/ (CFSB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William R. Esselystyn has been a net neutral trader of CFSB stock. They have purchased $0 and sold $0 worth of shares.
William R. Esselystyn's most recent insider trade was on Oct 31, 2025, when they sold 6,000 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Oct 31, 2025 | CFSB | $0 | Disposition | 11,940 | $N/A | Discretionary |
| Oct 31, 2025 | CFSB | $0 | Disposition | 350 | $N/A | Discretionary |
| Oct 31, 2025 | CFSB | $0 | Disposition | 200 | $N/A | Discretionary |
| Mar 22, 2023 | CFSB | $0 | Award | 6,000 | $N/A | Discretionary |