NB Bancorp, Inc.
NBBKAs of the close on Sep 25, 2026
Price
$22.60
Market cap
$990M
P/E (diluted TTM)
15.0
EPS (TTM)
$1.51
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How NB Bancorp, Inc. Makes Money
No flow chart is shown because the available revenue and expense lines do not reconcile exactly. The reported financial history below remains available.
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
Loading financial history…
SEC filings supply these figures; updates after the dates shown are not included. This page includes 4 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 18, 2026.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Independent insiders buying near the same time
- 2026-04-24–2026-04-24: 9 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing , filing )
- 2025-06-09–2025-06-09: 5 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing )
- 2025-04-29–2025-05-02: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2025-03-11–2025-03-18: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2025-01-24–2025-01-24: 3 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2024-09-19–2024-09-19: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2024-08-02–2024-08-05: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2024-04-26–2024-04-29: 8 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing , filing )
- 2024-01-04–2024-01-11: 6 event(s) across 4 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
- 2024-01-02–2024-01-05: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2023-12-28–2024-01-04: 6 event(s) across 5 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +100 | 19.21 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +253 | 19.20 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +133 | 19.17 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +247 | 19.21 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +400 | 19.18 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +500 | 19.16 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +767 | 19.18 | SEC filing |
| 2026-05-15 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | P — Open market or private purchase | +100 | 19.18 | SEC filing |
Showing 8 of 10 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-04-24 | Lynch Christopher R. · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,150 | SEC filing |
| 2026-04-24 | NOLAN JOSEPH R JR · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,918 | SEC filing |
| 2026-04-24 | Darcey William · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,918 | SEC filing |
| 2026-04-24 | Jackson Angela · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,918 | SEC filing |
| 2026-04-24 | Whalen Mark · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −4,918 | SEC filing |
| 2026-04-24 | Montgomery Kenneth C. · Director | Common Stock | F — Payment of exercise price or tax by delivering securities | −5,015 | SEC filing |
| 2026-04-24 | CAMPANELLI JOSEPH P · President & CEO | Common Stock | F — Payment of exercise price or tax by delivering securities | −24,371 | SEC filing |
| 2026-04-24 | Roberts Christine · SEVP and COO | Common Stock | F — Payment of exercise price or tax by delivering securities | −3,589 | SEC filing |
Showing 8 of 23 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2025-06-10 | Bakkala Peter · EVP and Chief Risk Officer | Common Stock | I — Discretionary transaction | +13,389 | SEC filing |
| 2024-05-15 | EVANGELISTA PAUL A · EVP, Dir Spec. Bank. Ctr. | Common Stock | I — Discretionary transaction | +1,673 | SEC filing |
| 2024-01-08 | EVANGELISTA PAUL A · EVP, Dir Spec. Bank. Ctr. | Common Stock | I — Discretionary transaction | +6,888 | SEC filing |
Showing 3 of 3 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.