Are insiders buying NBTB stock?

Yes — 6 distinct insiders have bought NBTB (NBT BANCORP INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jan 29, 2026.

How much NBTB stock have insiders bought?

Insiders have bought a combined $1.8M of NBTB across 9 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in NBTB?

A cluster buy is two or more distinct NBT BANCORP INC insiders — officers, directors, or 10% owners — each buying NBTB on the open market within a rolling window. NBTB has 2 detected cluster buys to date.

Where does this NBTB insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

NBTB insider buying

2 cluster buys

NBT BANCORP INC · Financials

When two or more insiders at NBT BANCORP INC buy NBTB on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in NBTB plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$1.8M

Market cap

$2.6B

Detected clusters

Oct 31, 2025 – Jan 28, 2026
Detected Jan 28, 2026
2 insiders
Total bought
$1.5M
Market cap
$2.6B
Feb 7 – Jun 3, 2025
Detected Jun 3, 2025
High conviction4 insiders
Total bought
$358.3K
Market cap
$2.6B

All notable open-market buys in NBTB

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Jan 28, 2026	DELANEY TIMOTHY Ecluster Director	22,730	$42.97	$976.7K	SEC ↗
Nov 6, 2025	DELANEY TIMOTHY Ecluster Director	7,500	$41.00	$307.5K	SEC ↗
Nov 6, 2025	DELANEY TIMOTHY Ecluster Director	2,500	$40.90	$102.3K	SEC ↗
Oct 31, 2025	DELANEY TIMOTHY Ecluster Director	2,000	$40.50	$81.0K	SEC ↗
Jun 3, 2025	Brown Jason Davidcluster Director	350	$41.10	$14.4K	SEC ↗
May 6, 2025	Hoeller Heidi Mcluster Director	2,588	$42.88	$111.0K	SEC ↗
Apr 29, 2025	Hoeller Heidi Mcluster Director	2,553	$43.21	$110.3K	SEC ↗
Mar 5, 2025	Kingsley Scott Allencluster President & CEO NBT Bancorp	2,000	$44.90	$89.8K	SEC ↗
Feb 7, 2025	Hoeller Heidi Mcluster Director	678	$48.45	$32.8K	SEC ↗

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NBTB insider buying — FAQ

Are insiders buying NBTB stock?: Yes — 6 distinct insiders have bought NBTB (NBT BANCORP INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jan 29, 2026.
How much NBTB stock have insiders bought?: Insiders have bought a combined $1.8M of NBTB across 9 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in NBTB?: A cluster buy is two or more distinct NBT BANCORP INC insiders — officers, directors, or 10% owners — each buying NBTB on the open market within a rolling window. NBTB has 2 detected cluster buys to date.
Where does this NBTB insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in NBTB

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy NBTB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding NBTB.