Insider Transactions Reported by 25 Insiders of BROOKLINE BANCORP INC

Location
Boston, MA

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Quick Takeaways

  • BROOKLINE BANCORP INC has 25 insiders with reported activity on this page.
  • No net insider buy/sell flow is currently reported for the last year.
  • Recent transaction rows are available for direct filing-level review.

What Changed

  • No meaningful buy/sell imbalance is currently visible in the one-year window.
  • Activity will update as new Forms 3/4/5 are filed.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 08 Apr 2025.

Buys

$0

Shares: 0

Insiders: 0

Sells

$0

Shares: 0

Insiders: 0

Net

$0

Shares: 0

Insiders: 0

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

BROOKLINE BANCORP INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
John L. Hall II Director $2,041,331 Mixed 02 Aug 2023
Joseph J. Slotnik Director $1,788,960 Mixed 02 Aug 2023
Wilde Peter O Director $1,753,909 Mixed 02 Aug 2023
Charles H. Peck Director $1,385,981 Mixed 02 Aug 2023
David C. Chapin Director $937,870 Mixed 02 Aug 2023
M. Robert Rose Chief Credit Officer $904,966 Mixed 17 Aug 2022
James M. Cosman Chief Operations Officer $704,909 Mixed 12 Mar 2024
John J. Doyle Jr. Director $517,379 Mixed 25 Aug 2023
John A. Hackett Director $457,395 Mixed 07 Nov 2023
Bogdan Nowak Director $0 Mixed 01 Sep 2025
William C. Tsonos CEO Bank Rhode Island $0 Mixed 01 Sep 2025
Thomas J. Hollister Director $0 Mixed 01 Sep 2025
Janytra M. Brooks Chief Human Resources Officer $0 Mixed 01 Sep 2025
Merrill W. Sherman Director $0 Mixed 01 Sep 2025
Michael W. McCurdy Co-President & COO $0 Mixed 01 Sep 2025
Joanne B. Chang Director $0 Mixed 01 Sep 2025
Darryl J. Fess CEO, Brookline Bank $0 Mixed 01 Sep 2025
John M. Pereira Director $0 Mixed 01 Sep 2025
Carl M. Carlson Co-President & CFO $0 Mixed 01 Sep 2025
Marissa S. Martin General Counsel $0 Mixed 01 Sep 2025
Paul A. Perrault Chairman & CEO, Director $0 Mixed 01 Sep 2025
Margaret Boles Fitzgerald Director $0 Mixed 01 Sep 2025
Michael P. Goldrick CEO PCSB Bank $0 Mixed 01 Sep 2025
Willard I. Hill Jr. Director $0 Mixed 01 Sep 2025
Mark J. Meiklejohn Chief Credit Officer $0 Mixed 01 Sep 2025

Top shareholders of BROOKLINE BANCORP INC (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
STATE STREET CORP
13D/G
STATE STREET CORPORATION
4.7%
4,212,430
$43,219,532 -$2,897,229 31 Mar 2025
John L. Hall II
3/4/5
Director
class O/S missing
223,585
$2,041,331 02 Aug 2023
Joseph J. Slotnik
3/4/5
Director
class O/S missing
195,943
$1,788,960 02 Aug 2023
Wilde Peter O
3/4/5
Director
class O/S missing
192,104
$1,753,909 02 Aug 2023
Charles H. Peck
3/4/5
Director
class O/S missing
151,805
$1,385,981 02 Aug 2023
David C. Chapin
3/4/5
Director
class O/S missing
102,724
$937,870 02 Aug 2023
M. Robert Rose
3/4/5
Chief Credit Officer
class O/S missing
99,120
$904,966 17 Aug 2022
James M. Cosman
3/4/5
Chief Operations Officer
class O/S missing
72,972
$704,909 12 Mar 2024
John J. Doyle Jr.
3/4/5
Director
class O/S missing
56,668
$517,379 25 Aug 2023
John A. Hackett
3/4/5
Director
class O/S missing
50,098
$457,395 07 Nov 2023

Recent Insider Transactions by Companies or Individuals for BROOKLINE BANCORP INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
John M. Pereira BRKL Common Disposed to Issuer -100% -46,266 0 01 Sep 2025 Direct
Janytra M. Brooks BRKL Common Disposed to Issuer -100% -36,911 0 01 Sep 2025 Direct
Marissa S. Martin BRKL Common Disposed to Issuer -100% -33,673 0 01 Sep 2025 Direct
Bogdan Nowak BRKL Common Disposed to Issuer -100% -22,328 0 01 Sep 2025 By Sydenham Corporation
Bogdan Nowak BRKL Common Disposed to Issuer -100% -501,294 0 01 Sep 2025 Direct
William C. Tsonos BRKL Common Disposed to Issuer -100% -38,017 0 01 Sep 2025 Direct
Joanne B. Chang BRKL Common Disposed to Issuer -100% -24,866 0 01 Sep 2025 Direct
Margaret Boles Fitzgerald BRKL Common Disposed to Issuer -100% -1,000 0 01 Sep 2025 By Former Spouse's IRA
Margaret Boles Fitzgerald BRKL Common Disposed to Issuer -100% -1,000 0 01 Sep 2025 By Spouse's IRA
Margaret Boles Fitzgerald BRKL Common Disposed to Issuer -100% -650 0 01 Sep 2025 IRA
Margaret Boles Fitzgerald BRKL Common Disposed to Issuer -100% -38,266 0 01 Sep 2025 Direct
Merrill W. Sherman BRKL Common Disposed to Issuer -100% -55,766 0 01 Sep 2025 Direct
Thomas J. Hollister BRKL Common Disposed to Issuer -100% -2,300 0 01 Sep 2025 By The Thomas J. Hollister Trust
Thomas J. Hollister BRKL Common Disposed to Issuer -100% -7,800 0 01 Sep 2025 By Thomas J. Hollister IRA
Thomas J. Hollister BRKL Common Disposed to Issuer -100% -52,266 0 01 Sep 2025 Direct
Paul A. Perrault BRKL Common Disposed to Issuer -100% -75,000 0 01 Sep 2025 By Paul A. Perrault GRAT #3
Paul A. Perrault BRKL Common Disposed to Issuer -100% -486,621 0 01 Sep 2025 Direct
Michael W. McCurdy BRKL Common Disposed to Issuer -100% -83,357 0 01 Sep 2025 Direct
Michael P. Goldrick BRKL Common Disposed to Issuer -100% -5,000 0 01 Sep 2025 By IRA
Michael P. Goldrick BRKL Common Disposed to Issuer -100% -38,091 0 01 Sep 2025 Direct
Darryl J. Fess BRKL Common Disposed to Issuer -100% -89,716 0 01 Sep 2025 Direct
Carl M. Carlson BRKL Common Disposed to Issuer -100% -156,695 0 01 Sep 2025 Direct
Mark J. Meiklejohn BRKL Common Disposed to Issuer -100% -101,003 0 01 Sep 2025 Direct
Willard I. Hill Jr. BRKL Common Disposed to Issuer -100% -731 0 01 Sep 2025 By IRA
Willard I. Hill Jr. BRKL Common Disposed to Issuer -100% -31,729 0 01 Sep 2025 Direct
Paul A. Perrault BRKL Common Tax liability -7.76% -40,957 486,621 25 Aug 2025 Direct
Mark J. Meiklejohn BRKL Common Tax liability -9.77% -10,939 101,003 25 Aug 2025 Direct
Michael W. McCurdy BRKL Common Tax liability -17.2% -17,294 83,357 25 Aug 2025 Direct
Marissa S. Martin BRKL Common Tax liability -17.2% -7,003 33,673 25 Aug 2025 Direct
Michael P. Goldrick BRKL Common Tax liability -19.9% -9,489 38,091 25 Aug 2025 Direct
Darryl J. Fess BRKL Common Tax liability -10.6% -10,674 89,716 25 Aug 2025 Direct
Carl M. Carlson BRKL Common Tax liability -8.42% -14,409 156,695 25 Aug 2025 Direct
Janytra M. Brooks BRKL Common Tax liability -16.7% -7,411 36,911 25 Aug 2025 Direct
William C. Tsonos BRKL Common Tax liability -17.9% -8,305 38,017 25 Aug 2025 Direct
William C. Tsonos BRKL Common Tax liability -4.81% -2,343 46,322 02 Aug 2025 Direct
Paul A. Perrault BRKL Common Tax liability -3.94% -21,637 527,578 02 Aug 2025 Direct
Mark J. Meiklejohn BRKL Common Tax liability -4.05% -4,721 111,942 02 Aug 2025 Direct
Michael W. McCurdy BRKL Common Tax liability -6.13% -6,578 100,651 02 Aug 2025 Direct
Marissa S. Martin BRKL Common Tax liability -8.28% -3,674 40,676 02 Aug 2025 Direct
Michael P. Goldrick BRKL Common Tax liability -4.22% -2,097 47,580 02 Aug 2025 Direct
Darryl J. Fess BRKL Common Tax liability -4.74% -4,996 100,390 02 Aug 2025 Direct
Carl M. Carlson BRKL Common Tax liability -3.7% -6,578 171,104 02 Aug 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.