Insider · CIK 0001903631
William R Esselystyn
Files at CFSB (CFSB Bancorp, Inc. /MA/). First filing -, latest -.
In brief
William R Esselystyn files SEC Form 4 as officer at CFSB (CFSB Bancorp, Inc. /MA/). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; William R Esselystyn has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 6 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Common Stock | -6,000 | - | - | 0 | Oct 31, 2025 |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Common Stockindirect: By ESOP | -2,351 | - | - | 0 | Oct 31, 2025 |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Common Stockindirect: By 401(k) | -11,940 | - | - | 0 | Oct 31, 2025 |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Common Stockindirect: By Spouse | -350 | - | - | 0 | Oct 31, 2025 |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Common Stockindirect: By Child | -200 | - | - | 0 | Oct 31, 2025 |
| Oct 31, 2025 | CFSB CFSB Bancorp, Inc. /MA/ | DDisposition to issuer Stock Optionsderivative | -14,000 | - | - | 0 | Oct 31, 2025 |
Questions about William R Esselystyn
Answered from the filings on this page, as of the latest one.
Is William R Esselystyn buying or selling?
William R Esselystyn has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did William R Esselystyn's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William R Esselystyn has 0.
Where does William R Esselystyn file Form 4?
William R Esselystyn has filed Form 4 at CFSB (CFSB Bancorp, Inc. /MA/) as VP-Information Systems. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.