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Tsonos William C

SEC insider (Form 3/4/5 filer). CIK 0001952114. CEO Bank Rhode Island at BROOKLINE BANCORP INC (BRKL). 9 reported Form 4/5 transactions since Sep 2024; latest on Sep 1, 2025. Located in BOSTON, MA.

Companies Tsonos William C has filed insider reports for

  • BROOKLINE BANCORP INC (BRKL): Officer, CEO Bank Rhode Island
Tsonos William C profile photo

Tsonos William C

CIK: 0001952114

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, …)9 (100.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BROOKLINE BANCORP INC logo
BRKL

BROOKLINE BANCORP INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Sep 1, 2025
    Disposition
    Direct
    38K shares-
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 25, 2025
    Tax Payment
    Direct
    2.6K shares at avg. $11.03$29K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 25, 2025
    Tax Payment
    Direct
    872 shares at avg. $11.03$10K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 25, 2025
    Tax Payment
    Direct
    2.9K shares at avg. $11.03$32K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 25, 2025
    Tax Payment
    Direct
    1.9K shares at avg. $11.03$21K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 2, 2025
    Tax Payment
    Direct
    380 shares at avg. $10.28$4K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 2, 2025
    Tax Payment
    Direct
    127 shares at avg. $10.28$1K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 2, 2025
    Tax Payment
    Direct
    872 shares at avg. $10.28$9K
  • BROOKLINE BANCORP INC logo
    BRKL

    BROOKLINE BANCORP INC

    Aug 2, 2025
    Tax Payment
    Direct
    964 shares at avg. $10.28$10K

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