NB Bancorp, Inc.

	Sep-25	Sep-24	Sep-23	Sep-22	Sep-21
Total revenue	0.32	0.30	0.24	0.13	0.10
Cost of revenue	0.14	0.14	0.10	0.02	0.01
Gross profit	0.17	0.16	0.13	0.11	0.08
Total operating expenses +	0.10	0.10	0.12	0.07	0.06
Selling, general and administrative	0.10	0.08	0.09	0.06	0.05
Research and development
Other operating expenses	0.00	0.02	0.04	0.01	0.01
Operating income	0.07	0.06	0.01	0.04	0.03
Non-operating income (net)	0.00	0.00	0.00	0.00	0.00
Income before tax	0.07	0.06	0.01	0.04	0.03
Income tax expense	0.02	0.02	0.00	0.01	0.01
Net income	0.05	0.04	0.01	0.03	0.02

Show Quarterly Income Statement

	Mar-26	Dec-25	Sep-25	Jun-25	Mar-25	Dec-24	Sep-24	Jun-24	Mar-24	Dec-23	Sep-23	Jun-23	Mar-23	Dec-22	Sep-22	Jun-22	Mar-22
Total revenue	0.11	0.07	0.08	0.08	0.08	0.08	0.08	0.07	0.07	0.07	0.06	0.06	0.05	0.04	0.03	0.03	0.02
Cost of revenue	0.05	0.04	0.03	0.04	0.03	0.04	0.04	0.04	0.03	0.03	0.03	0.02	0.02	0.01	0.01	0.00	0.00
Gross profit	0.06	0.03	0.05	0.05	0.05	0.04	0.04	0.04	0.04	0.03	0.03	0.03	0.04	0.03	0.03	0.03	0.02
Total operating expenses +	0.04	0.02	0.03	0.03	0.03	0.03	0.02	0.03	0.03	0.05	0.02	0.02	0.02	0.02	0.02	0.02	0.02
Selling, general and administrative	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02	0.02	0.01	0.01	0.01	0.01
Research and development
Other operating expenses	0.03	-0.01	0.01	0.01	0.01	0.00	0.00	0.00	0.00	0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Operating income	0.02	0.01	0.02	0.02	0.02	0.02	0.02	0.01	0.01	-0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Non-operating income (net)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Income before tax	0.02	0.01	0.02	0.02	0.02	0.02	0.02	0.01	0.01	-0.02	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Income tax expense	0.01	0.01	0.00	0.00	0.00	0.00	0.01	0.00	0.00	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Net income	0.01	0.01	0.02	0.01	0.01	0.02	0.01	0.01	0.01	-0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.00

5 days ago

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	Sep-25	Sep-24	Sep-23	Sep-22	Sep-21
Total cash and short-term investments +	0.59	0.31	0.28	0.38	0.72
Cash and cash equivalents	0.33	0.21	0.09	0.13	0.46
Short-term investments	0.27	0.09	0.19	0.25	0.26
Accounts receivable, net	6.01	0.02	0.02	0.01	0.01
Inventories			-0.29	-0.17	-0.47
Other current assets			0.29	0.06	0.03
Total current assets	6.61	0.32	0.30	0.45	0.75
Total non-current assets +	0.13	4.83	4.24	3.14	2.17
Property, plant and equipment, net
Goodwill	0.02	0.00
Intangible assets	0.02	0.00
Long-term investments	0.30	0.25	0.20	0.26	0.26
Other non-current assets
Total assets	7.01	5.16	4.53	3.59	2.92

Total current liabilities +	0.02	4.28	3.47	2.94	2.59
Accounts payable
Short-term debt		0.10	0.28	0.29	0.00
Current portion of long-term debt	0.17	0.10
Deferred revenue
Other current liabilities	0.02	4.18	3.47	2.94	2.59
Total non-current liabilities +	6.13	0.11	0.30	0.31	0.01
Long-term debt	0.03	0.02	0.28	0.29	0.00
Capital lease obligations
Other non-current liabilities
Total liabilities	6.15	4.39	3.78	3.25	2.60

Total stockholders' equity +	0.86	0.77	0.76	0.34	0.33
Common stock and paid-in capital	0.41	0.36	0.39	-0.01	0.00
Retained earnings	0.45	0.40	0.37	0.36	0.33
Common shares outstanding	41	39	42	43	43

Show Quarterly Balance Sheet

	Mar-26	Dec-25	Sep-25	Jun-25	Mar-25	Dec-24	Sep-24	Jun-24	Mar-24	Dec-23	Sep-23	Jun-23	Mar-23	Dec-22	Sep-22	Jun-22	Mar-22
Total cash and short-term investments +	0.60	0.59	0.30	0.22	0.26	0.31	0.35	0.38	0.37	0.28	0.30	0.30	0.34	0.38	0.00	0.00	0.00
Cash and cash equivalents	0.33	0.33	0.20	0.16	0.20	0.21	0.15	0.17	0.16	0.09	0.10	0.08	0.09	0.13
Short-term investments	0.28	0.27	0.10	0.06	0.06	0.09	0.20	0.21	0.21	0.19	0.20	0.21	0.24	0.25
Accounts receivable, net	6.24	6.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.01	0.01	0.01
Inventories							-4.62	-0.35	-0.33	-0.29	-0.15	-0.13	-0.11
Other current assets						-0.02	0.34	0.35	0.33	0.29	0.15	0.06	0.06
Total current assets	6.84	6.61	0.32	0.24	0.28	0.32	0.37	0.39	0.39	0.30	0.32	0.37	0.41	0.39
Total non-current assets +	0.13	0.13	5.12	4.98	4.97	4.83	4.63	4.41	4.26	4.24	3.92	3.66	3.31	3.20
Property, plant and equipment, net
Goodwill	0.02	0.02				0.00
Intangible assets	0.02	0.02				0.00
Long-term investments	0.10	0.30	0.28	0.27	0.26	0.25	0.21	0.22	0.22	0.20	0.21	0.23	0.26	0.26
Other non-current assets
Total assets	7.23	7.01	5.44	5.23	5.24	5.16	5.00	4.81	4.65	4.53	4.23	4.03	3.72	3.59

Total current liabilities +		0.02	4.57	4.27	4.33	4.28	4.05	3.92	3.78	3.47	3.51	3.32	3.19	2.94
Accounts payable
Short-term debt						0.10				0.28	0.35
Current portion of long-term debt		0.17				0.10
Deferred revenue
Other current liabilities		0.02	4.57	4.27	4.33	4.18	4.05	3.92	3.78	3.47	3.51	3.32	3.19	2.94
Total non-current liabilities +	6.38	6.15	0.14	0.22	0.17	0.11	0.21	0.14	0.14	0.30	0.36	0.35	0.17	0.31			-0.33
Long-term debt	0.19	0.03	0.04	0.13	0.09	0.02	0.12	0.06	0.06	0.28	0.35	0.34	0.16	0.29
Capital lease obligations
Other non-current liabilities
Total liabilities	6.38	6.15	4.71	4.49	4.50	4.39	4.26	4.06	3.92	3.78	3.87	3.67	3.36	3.25			-0.33

Total stockholders' equity +	0.84	0.86	0.74	0.74	0.74	0.77	0.75	0.74	0.73	0.76	0.37	0.36	0.35	0.34			0.33
Common stock and paid-in capital	0.39	0.41	0.30	0.31	0.33	0.36	0.36	0.36	0.36	0.39	-0.01	-0.01	-0.01	-0.01	0.00	0.00	0.33
Retained earnings	0.46	0.45	0.44	0.43	0.41	0.40	0.38	0.38	0.37	0.37	0.38	0.37	0.37	0.36
Common shares outstanding	41	41	36	38	39	39	39	39	40	43	43	43	43	39	43	36	43

5 days ago

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	Sep-25	Sep-24	Sep-23	Sep-22	Sep-21
Operating cash flow +	0.06	0.04	0.05	0.04	0.04
Net income
Depreciation, depletion and amortization	0.00	0.00	0.00	0.00	0.00
Stock-based compensation	0.01	0.00	0.00	0.00
Change in inventory
Other working capital changes	0.05	0.04	0.05	0.04	0.04
Cash flow from investing +	-0.52	-0.55	-0.83	-0.67	-0.04
Capital expenditures	0.00	0.00	0.00	-0.01	0.00
Others incl. marketable securities changes	-0.52	-0.54	-0.83	-0.66	-0.04
Cash flow from financing +	0.50	0.59	0.89	0.32	0.24
Dividend payout	-0.01	0.00	0.00
Common stock repurchases	-0.08	-0.03	-0.01
Net Debt Issuance	0.58	0.63	0.91	0.32	0.24

Change in cash	0.04	0.09	0.12	-0.31	0.24

Show Quarterly Cash Flow

	Mar-26	Dec-25	Sep-25	Jun-25	Mar-25	Dec-24	Sep-24	Jun-24	Mar-24	Dec-23	Sep-23	Jun-23	Mar-23	Dec-22	Sep-22	Jun-22	Mar-22
Operating cash flow +	0.03	0.00	0.02	0.03	0.01	0.02	0.01	0.02	-0.01	0.01	0.02	0.01	0.01	0.01	0.01	0.01	0.00
Net income
Depreciation, depletion and amortization	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Stock-based compensation	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Change in inventory
Other working capital changes	0.02	0.00	0.02	0.02	0.01	0.02	0.01	0.02	-0.01	0.01	0.02	0.01	0.00	0.01	0.01	0.01	0.00
Cash flow from investing +	-0.27	-0.16	-0.18	-0.04	-0.14	-0.11	-0.20	-0.16	-0.07	-0.17	-0.18	-0.29	-0.19	-0.22	-0.30	0.06	-0.21
Capital expenditures	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Others incl. marketable securities changes	-0.26	-0.16	-0.18	-0.04	-0.14	-0.11	-0.20	-0.16	-0.07	-0.17	-0.18	-0.29	-0.19	-0.22	-0.30	0.06	-0.21
Cash flow from financing +	0.21	0.27	0.19	-0.04	0.08	0.14	0.18	0.15	0.13	0.29	0.18	0.30	0.12	0.29	0.23	-0.14	-0.07
Dividend payout	0.00	0.00	0.00		0.00
Common stock repurchases	-0.03	0.00	-0.02	-0.02	-0.04		0.03	-0.03	-0.03	-0.01
Net Debt Issuance	0.24	0.28	0.21	-0.02	0.12	0.14	0.15	0.18	0.16	0.31	0.18	0.30	0.12	0.29	0.23	-0.14	-0.07

Change in cash	-0.03	0.11	0.04	-0.05	-0.05	0.05	-0.01	0.01	0.04	0.14	0.02	0.02	-0.06	0.09	-0.06	-0.07	-0.27