How many insider declarations has Whalen Mark filed?

Whalen Mark has filed 3 public insider declarations with SEC (Form 4).

What is Whalen Mark's role?

Whalen Mark's reported role is not specified by the regulator across the filings.

Which companies does Whalen Mark report trades for?

Whalen Mark reports trades for NB Bancorp, Inc..

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WM

Whalen Mark

OFFICER

·SEC (Form 4)

NB Bancorp, Inc.

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

No signal scores available.

Browse the complete record of transactions filed by Whalen Mark. Director active across 1 company, notably NB Bancorp, Inc.. In total, 3 reports have been published. History available since 24 April 2025. The latest transaction was filed on 24 April 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is openly available.

Companies and markets linked to Whalen Mark

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

NB Bancorp, Inc. (US)

Declarations3 total

●

Whalen Mark

DirectorExecutives24 Apr 2026NB Bancorp, Inc.

$97,47523SEC ↗

4,918 shares@ US$19.820.0040% mcap100.0% of flowCommon StockSEC:0001437749-26-013437:0

◆

Whalen Mark

DirectorExecutives2 Jan 2026NB Bancorp, Inc.

0SEC ↗

2,402 shares0Common StockSEC:0001437749-26-000488:0

◆

Whalen Mark

DirectorExecutives24 Apr 2025NB Bancorp, Inc.

0SEC ↗

75,237 shares0Common StockSEC:0001437749-25-013267:0

3 of 3 declarations

InsidersTradesSigma

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WM

Whalen Mark

OFFICER

·SEC (Form 4)

NB Bancorp, Inc.

0

Total declarations

0

Company

—

▲ Purchases (0 ops.)

—

▼ Sales (0 ops.)

Insider track record

Other

Disclosed buys

0

Disclosed sells

0

Not enough buy signals with a settled T+90 horizon to measure a track record yet.

Signal history

No signal scores available.

Browse the complete record of transactions filed by Whalen Mark. Director active across 1 company, notably NB Bancorp, Inc.. In total, 3 reports have been published. History available since 24 April 2025. The latest transaction was filed on 24 April 2026 (Retenue fiscale). Regulator: SEC (Form 4). All data is openly available.