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Insider · CIK 0001903704

Mary Kuropatkin

officer

Files at CFSB (CFSB Bancorp, Inc. /MA/). First filing -, latest -.

In brief

Mary Kuropatkin 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; Mary Kuropatkin has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 4 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DDisposition to issuer
Common Stock
-6,000--0Oct 31, 2025
Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DDisposition to issuer
Common Stockindirect: By ESOP
-2,381--0Oct 31, 2025
Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DDisposition to issuer
Common Stockindirect: By 401(k)
-9,940--0Oct 31, 2025
Oct 31, 2025CFSB
CFSB Bancorp, Inc. /MA/
DDisposition to issuer
Stock Optionsderivative
-14,000--0Oct 31, 2025

Questions about Mary Kuropatkin

Answered from the filings on this page, as of the latest one.

Is Mary Kuropatkin buying or selling?

Mary Kuropatkin has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Mary Kuropatkin's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mary Kuropatkin has 0.

Where does Mary Kuropatkin file Form 4?

Mary Kuropatkin has filed Form 4 at CFSB (CFSB Bancorp, Inc. /MA/) as VP-Retail Banking. 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.

Mary Kuropatkin: insider trades and track record | InsiderTell