Holder evidence
50
SEC ownership of NBT BANCORP INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000790359.
Lead holder
VANGUARD CAPITAL MANAGEMENT LLC
13D/G signal
VANGUARD CAPITAL MANAGEMENT LLC
Latest evidence
19 May 2026
- Symbol
- NBTB on Nasdaq
- SEC evidence mix
- 13D/G, 13F, and 3/4/5
- Lead holder
- VANGUARD CAPITAL MANAGEMENT LLC
- Latest large-stake holder
- VANGUARD CAPITAL MANAGEMENT LLC
- Latest evidence date
- 19 May 2026
- CIK
- 0000790359
- Location
- Norwich, NY
Ownership snapshot
2 facts
Issuer identity
2 facts
Ownership snapshot
Top shareholders of NBT BANCORP INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
VANGUARD CAPITAL MANAGEME...
13D/G signal
VANGUARD CAPITAL MANAGEME...
Evidence rows
50
Latest as of
19 May 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.1%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Rank 1 holder
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
13F
- Ownership
- 5.1%
- Position
- $119.97M
Rank 2 holder
Daniel Robinson II V
3/4/5
- Ownership
- 0.78%
- Position
- $17.43M
Rank 3 holder
Martin A. Dietrich
3/4/5
- Ownership
- 0.22%
- Position
- $4.78M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.1%
|
$119,966,140
2,642,426 shares
|
$0 | 31 Mar 2026 |
| Daniel Robinson II V |
3/4/5
Director
|
0.78%
|
$17,428,540
409,313 shares
|
— | 19 May 2026 |
| Martin A. Dietrich |
3/4/5
Director
|
0.22%
|
$4,781,478
112,294 shares
|
— | 19 May 2026 |
| Timothy E. Delaney |
3/4/5
Director
|
0.14%
|
$3,222,210
75,674 shares
|
+$1,467,458 | 19 May 2026 |
| John H. Watt Jr. |
3/4/5
Director
|
0.14%
|
$3,193,925
75,010 shares
|
— | 19 May 2026 |
| David J. Nasca |
3/4/5
Director
|
0.14%
|
$3,144,021
73,838 shares
|
-$851,103 | 19 May 2026 |
| Richard J. Cantele Jr. |
3/4/5
Director
|
0.12%
|
$2,611,020
61,320 shares
|
— | 19 May 2026 |
| Scott A. Kingsley |
3/4/5
President & CEO NBT Bancorp
|
0.11%
|
$2,405,502
57,936 shares
|
— | 23 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$328,848.
Buys
$1,481,843
Insiders: 2
Sells
$1,152,995
Insiders: 3
Net
+$328,848
Shares: +8,642
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 35,080
Shares: 26,438
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 2,400 | $0 | $99,120 | -$99,120 |
| 3-6 | 22,730 | 4,435 | $976,708 | $202,772 | +$773,936 |
| 6-9 | 12,000 | 0 | $490,750 | $0 | +$490,750 |
| 9-12 | 350 | 19,603 | $14,385 | $851,103 | -$836,718 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 30 reporting-owner rows connected to NBT BANCORP INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
30
Lead holder
Daniel Robinson II V
Net 12M change
+$328,848
Latest report
21 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Daniel Robinson II V | Director | $17,428,540 | Median | 19 May 2026 | ||
| Johanna R. Ames | Director | $16,983,937 | Mixed | 19 May 2026 | ||
| Joseph R. Stagliano | SEVP & President of NBT Bank | $5,029,626 | Mixed | 23 Mar 2026 | ||
| Martin A. Dietrich | Director | $4,781,478 | Median | 19 May 2026 | ||
| Jack H. Webb | Director | $4,362,693 | Mixed | 22 Nov 2024 | ||
| Joseph A. Santangelo | Director | $4,284,806 | Mixed | 31 Dec 2022 | ||
| Timothy E. Delaney | Director | $3,222,210 | +$1,467,458 | +84% | Median | 19 May 2026 |
| John H. Watt Jr. | Director | $3,193,925 | Median | 19 May 2026 | ||
| David J. Nasca | Director | $3,144,021 | -$851,103 | -21% | Median | 19 May 2026 |
| Richard J. Cantele Jr. | Director | $2,611,020 | Median | 19 May 2026 | ||
| Timothy L. Brenner | EVP & President Wealth Mgmt | $2,580,567 | Mixed | 15 May 2021 | ||
| Catherine M. Scarlett | EVP, Chief HR & Ethics Officer | $2,466,275 | Mixed | 15 Dec 2021 | ||
| Scott A. Kingsley | President & CEO NBT Bancorp | $2,405,502 | Mixed | 23 Mar 2026 | ||
| Matthew J. Salanger | Director | $2,186,211 | Mixed | 19 May 2026 | ||
| Lowell A. Seifter | Director | $1,781,183 | Mixed | 21 May 2024 | ||
| Sarah A. Halliday | EVP/Chief Comm Innovation Off | $1,718,581 | Mixed | 11 May 2026 | ||
| Ruth H. Mahoney | EVP/President of Wealth Mgmt | $1,471,304 | Mixed | 23 Mar 2026 | ||
| John C. Mitchell | Director | $1,455,875 | Mixed | 25 May 2021 | ||
| Shaunastar M. Hyle | EVP, Retail Community Banking | $1,362,615 | Mixed | 23 Mar 2026 | ||
| Patricia T. Civil | Director | $1,223,501 | Mixed | 31 Dec 2021 |
Recent insider transactions for NBT BANCORP INC
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Reported value | Reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Andrew S. Kowalczyk III | NBTB | Phantom Stock | Award | 17.1% | 1,128 | 7,727 | 21 May 2026 | Direct | ||
| John H. Watt Jr. | NBTB | NBT Bancorp Inc. Common Stock | Award | 1.42% | 1,050 | 75,010 | 19 May 2026 | Direct | ||
| Andrew S. Kowalczyk III | NBTB | NBT Bancorp Inc. Common Stock | Award | 8.34% | 1,050 | 13,642 | 19 May 2026 | Direct | ||
| Johanna R. Ames | NBTB | NBT Bancorp Inc. Common Stock | Award | 16% | 1,050 | 7,593 | 19 May 2026 | Direct | ||
| Timothy E. Delaney | NBTB | NBT Bancorp Inc. Common Stock | Award | 2.02% | 1,050 | 52,935 | 19 May 2026 | Direct | ||
| Richard J. Cantele Jr. | NBTB | NBT Bancorp Inc. Common Stock | Award | 1.84% | 1,050 | 58,106 | 19 May 2026 | Direct | ||
| Matthew J. Salanger | NBTB | NBT Bancorp Inc. Common Stock | Award | 3.88% | 1,050 | 28,116 | 19 May 2026 | Direct | ||
| Martin A. Dietrich | NBTB | NBT Bancorp Inc. Common Stock | Award | 0.94% | 1,050 | 112,294 | 19 May 2026 | Direct | ||
| Jason David Brown | NBTB | NBT Bancorp Inc. Common Stock | Award | 14.3% | 1,050 | 8,414 | 19 May 2026 | Direct | ||
| Heidi M. Hoeller | NBTB | NBT Bancorp Inc. Common Stock | Award | 8.33% | 1,050 | 13,660 | 19 May 2026 | Direct | ||
| Daniel Robinson II V | NBTB | NBT Bancorp Inc. Common Stock | Award | 5.07% | 1,050 | 21,755 | 19 May 2026 | Direct | ||
| David J. Nasca | NBTB | NBT Bancorp Inc. Common Stock | Award | 1.49% | 1,050 | 71,705 | 19 May 2026 | Direct | ||
| Martin Randolph Sparks | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -2.25% | -361 | 15,663 | 15 May 2026 | Direct | ||
| Cynthia A. Smaniotto | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -1.58% | -285 | 17,747 | 15 May 2026 | Direct | ||
| Amy Wiles | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -8.28% | -2,453 | 27,161 | 15 May 2026 | Direct | ||
| Sarah A. Halliday | NBTB | NBT Bancorp Inc. Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | -52.5% | -4,016 | 3,637 | 11 May 2026 | 401k | ||
| Sarah A. Halliday | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -3.15% | -927 | 28,485 | 23 Mar 2026 | Direct | ||
| Sarah A. Halliday | NBTB | NBT Bancorp Inc. Common Stock | Award | 20.8% | 5,346 | 31,054 | 23 Mar 2026 | Direct | ||
| Shaunastar M. Hyle | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -2.88% | -803 | 27,072 | 23 Mar 2026 | Direct | ||
| Shaunastar M. Hyle | NBTB | NBT Bancorp Inc. Common Stock | Award | 20.5% | 4,977 | 29,298 | 23 Mar 2026 | Direct | ||
| Scott A. Kingsley | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -0.23% | -125 | 54,410 | 23 Mar 2026 | Direct | ||
| Scott A. Kingsley | NBTB | NBT Bancorp Inc. Common Stock | Award | 27.9% | 12,651 | 57,936 | 23 Mar 2026 | Direct | ||
| Martin Randolph Sparks | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -6.95% | -991 | 13,278 | 23 Mar 2026 | Direct | ||
| Martin Randolph Sparks | NBTB | NBT Bancorp Inc. Common Stock | Award | 54.7% | 5,665 | 16,024 | 23 Mar 2026 | Direct | ||
| Amy Wiles | NBTB | NBT Bancorp Inc. Common Stock | Award | 38.5% | 8,228 | 29,614 | 23 Mar 2026 | Direct | ||
| Amy Wiles | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -0.53% | -114 | 21,386 | 23 Mar 2026 | Direct | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -1.23% | -1,035 | 83,365 | 23 Mar 2026 | Direct | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Award | 9.38% | 7,398 | 86,235 | 23 Mar 2026 | Direct | ||
| Ruth H. Mahoney | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -4.56% | -904 | 18,921 | 23 Mar 2026 | Direct | ||
| Ruth H. Mahoney | NBTB | NBT Bancorp Inc. Common Stock | Award | 34.3% | 5,468 | 21,428 | 23 Mar 2026 | Direct | ||
| Cynthia A. Smaniotto | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -0.35% | -62 | 17,820 | 23 Mar 2026 | Direct | ||
| Cynthia A. Smaniotto | NBTB | NBT Bancorp Inc. Common Stock | Award | 14.3% | 2,254 | 18,032 | 23 Mar 2026 | Direct | ||
| Annette L. Burns | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -0.36% | -86 | 24,079 | 23 Mar 2026 | Direct | ||
| Annette L. Burns | NBTB | NBT Bancorp Inc. Common Stock | Award | 16.9% | 3,509 | 24,313 | 23 Mar 2026 | Direct | ||
| Martin Randolph Sparks | NBTB | NBT Bancorp Inc. Common Stock | Sale | -17.4% | $99,120 | $41.30 | -2,400 | 11,350 | 13 Mar 2026 | Direct |
| Joseph R. Stagliano | NBTB | Phantom Stock | Award | 10.6% | 2,642 | 27,602 | 06 Mar 2026 | Direct | ||
| Amy Wiles | NBTB | NBT Bancorp Inc. Common Stock | Sale | -17.1% | $202,772 | $45.72 | -4,435 | 21,500 | 17 Feb 2026 | Direct |
| Timothy E. Delaney | NBTB | NBT Bancorp Inc. Common Stock | Purchase | $976,708 | $42.97 | 22,730 | 22,730 | 28 Jan 2026 | by Corporation | |
| Scott A. Kingsley | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -4.26% | -2,019 | 45,410 | 15 Jan 2026 | Direct | ||
| Shaunastar M. Hyle | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -3.71% | -968 | 25,124 | 15 Jan 2026 | Direct | ||
| Sarah A. Halliday | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -5.51% | -1,552 | 26,635 | 15 Jan 2026 | Direct | ||
| Martin Randolph Sparks | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -6.86% | -1,001 | 13,589 | 15 Jan 2026 | Direct | ||
| Ruth H. Mahoney | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -5.35% | -942 | 16,661 | 15 Jan 2026 | Direct | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -1.78% | -1,427 | 78,963 | 15 Jan 2026 | Direct | ||
| Cynthia A. Smaniotto | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -1.93% | -312 | 15,840 | 15 Jan 2026 | Direct | ||
| Amy Wiles | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -5.29% | -1,448 | 25,935 | 15 Jan 2026 | Direct | ||
| Annette L. Burns | NBTB | NBT Bancorp Inc. Common Stock | Tax liability | -3.35% | -711 | 20,494 | 15 Jan 2026 | Direct | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Other | 3.38% | 66.02 | 2,020 | 31 Dec 2025 | NBT Bancorp ESOP | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Other | 4.44% | 308 | 7,253 | 31 Dec 2025 | 401k | ||
| Joseph R. Stagliano | NBTB | NBT Bancorp Inc. Common Stock | Other | 0.15% | 120 | 80,510 | 31 Dec 2025 | Direct |
* indicates a reported price that failed the local validity check.