NBTB NBT Bancorp Inc.

NASDAQ
$52.14

NBT Bancorp Inc. (NBTB) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bearish Selling ran elevated versus NBTB's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 2 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
5
6 transactions
Purchases
$0
0 shares
Sales
$2.1M
42,800 shares
Net activity
-$2.1M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $2.1M 6 transactions · 42,800 shares

Largest single sale: $995.8K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: January 28, 2026 , by DELANEY TIMOTHY E .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Halliday Sarah A EVP/Chief Comm Innovation Off Sell 9,000 $54.04 $486.4K 22,054 −29% of holding
Mahoney Ruth H EVP/President of Wealth Mgmt Sell 4,500 $54.30 $244.4K 11,928 −27.4% of holding
Hoeller Heidi M Director Sell 2,100 $48.03 $100.9K 11,560 −15.4% of holding
Sparks Martin Randolph EVP,General Counsel,Secretary Sell 1,200 $48.04 $57.7K 14,463 −7.7% of holding
WATT JOHN H JR Director Sell 21,000 $47.42 $995.8K 54,010 −28% of holding
Mahoney Ruth H EVP/President of Wealth Mgmt Sell 5,000 $46.60 $233.0K 16,428 −23.3% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.