Insider · CIK 0001952114
William C Tsonos
Files at BRKL (BROOKLINE BANCORP INC). First filing -, latest -.
In brief
William C Tsonos files SEC Form 4 as CEO at BRKL (BROOKLINE BANCORP INC). 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 C Tsonos has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 9 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | BRKL BROOKLINE BANCORP INC | DDisposition to issuer Common | -38,017 | - | - | 0 | Sep 2, 2025 |
| Aug 25, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -2,615 | $11.03 | $29k | 43,707 | Aug 27, 2025 |
| Aug 25, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -872 | $11.03 | $9,618 | 42,835 | Aug 27, 2025 |
| Aug 25, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -2,891 | $11.03 | $32k | 39,944 | Aug 27, 2025 |
| Aug 25, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -1,927 | $11.03 | $21k | 38,017 | Aug 27, 2025 |
| Aug 2, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -380 | $10.28 | $3,906 | 48,285 | Aug 5, 2025 |
| Aug 2, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -127 | $10.28 | $1,306 | 48,158 | Aug 5, 2025 |
| Aug 2, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -872 | $10.28 | $8,964 | 47,286 | Aug 5, 2025 |
| Aug 2, 2025 | BRKL BROOKLINE BANCORP INC | FTax withholding Common | -964 | $10.28 | $9,910 | 46,322 | Aug 5, 2025 |
Questions about William C Tsonos
Answered from the filings on this page, as of the latest one.
Is William C Tsonos buying or selling?
William C Tsonos has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did William C Tsonos's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and William C Tsonos has 0.
Where does William C Tsonos file Form 4?
William C Tsonos has filed Form 4 at BRKL (BROOKLINE BANCORP INC) as CEO Bank Rhode Island. 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.