Stockwatch

Close Prices Last 3 Months

Price/volumes not adjusted for restructures

Date	Ex	Sym	Open	High	Low	Close	Chg	Vol	#Tr	Bid	Ask
2026-02-06	Q	AMBZ	70.75	70.99	70.50	70.95	0.70	1,994	11	70.25	73.10
2026-02-05	Q	AMBZ	70.25	70.25	70.00	70.25	-0.01	3,416	25	69.52	71.50
2026-02-04	Q	AMBZ	69.50	71.00	69.40	70.26	0.77	5,751	38	69.40	76.84
2026-02-03	Q	AMBZ	69.11	69.50	69.10	69.49	0.39	6,777	38	69.00	69.50
2026-02-02	Q	AMBZ	69.25	69.50	69.01	69.10	-0.40	7,319	28	69.00	69.50
2026-01-30	Q	AMBZ	68.7501	69.50	68.75	69.50	0.60	7,004	26	68.70	69.75
2026-01-29	Q	AMBZ	69.23	69.23	68.80	68.90	0.15	2,280	16	68.00	69.50
2026-01-28	Q	AMBZ	69.00	69.90	68.75	68.75		3,920	31	68.50	69.85
2026-01-27	Q	AMBZ	64.45	70.00	64.45	68.75	4.25	12,041	58	68.50	69.90
2026-01-26	Q	AMBZ	64.45	64.50	64.00	64.50	0.10	601	7	63.92	64.45
2026-01-23	Q	AMBZ	64.40	64.40	64.40	64.40	-0.07	202	1	63.81	64.45
2026-01-22	Q	AMBZ	63.93	64.47	63.93	64.47		847	18	63.92	64.40
2026-01-21	Q	AMBZ	64.27	64.50	63.895	64.47	0.68	1,700	17	63.50	64.97
2026-01-20	Q	AMBZ	63.7025	64.10	63.57	63.79		2,970	33	63.51	64.27
2026-01-19	Q	AMBZ	63.68	63.79	63.00	63.79	-0.01	0	0
2026-01-16	Q	AMBZ	63.68	63.79	63.00	63.79	-0.01	17,577	37	63.27	64.37
2026-01-15	Q	AMBZ				63.80				63.65	64.50
2026-01-14	Q	AMBZ	63.81	64.20	63.62	63.80	-0.10	18,455	68	63.60	64.47
2026-01-13	Q	AMBZ	64.00	64.00	63.81	63.90	63.90	1,789	8	0.0001	2,000.00
2026-01-12	Q	AMBZ	63.89	63.89	63.89	63.89		26	1	0.0001	2,000.00
2026-01-09	Q	AMBZ	63.60	64.10	63.60	63.89	63.89	2,604	18	54.14	64.50
2026-01-08	Q	AMBZ	63.89	63.89	63.89	63.89		29	2	54.14	64.50
2026-01-07	Q	AMBZ	64.50	64.50	63.2125	63.89	63.89	221,637	142	54.14	64.50
2026-01-06	Q	AMBZ	63.97	63.97	63.97	63.97		24	2	54.78	64.50
2026-01-05	Q	AMBZ	64.90	64.90	63.97	63.97	-0.33	10,432	52	54.78	64.50
2026-01-02	Q	AMBZ	64.46	64.47	63.51	64.30	-0.50	36,439	226	54.78	70.07
2026-01-01	Q	AMBZ	64.46	64.80	64.46	64.80		0	0
2025-12-31	Q	AMBZ	64.46	64.80	64.46	64.80		1,134	20	64.45	64.95
2025-12-30	Q	AMBZ	64.15	64.85	64.11	64.80	64.80	8,497	43	64.45	70.07
2025-12-29	Q	AMBZ	64.80	64.80	64.80	64.80		126	3	63.95	65.69
2025-12-26	Q	AMBZ	63.90	64.80	63.90	64.80	0.90	750	11	63.90	64.95
2025-12-25	Q	AMBZ	63.90	63.90	63.80	63.90		0	0
2025-12-24	Q	AMBZ	63.90	63.90	63.80	63.90		1,603	11	63.04	66.88
2025-12-23	Q	AMBZ	63.80	63.90	63.80	63.90	0.10	705	10	63.90	70.07
2025-12-22	Q	AMBZ	63.06	64.00	63.06	63.80	0.12	2,855	30	56.88	70.07
2025-12-19	Q	AMBZ	63.31	63.68	63.30	63.68	63.68	8,826	77	56.88	63.70
2025-12-18	Q	AMBZ	63.67	63.67	63.67	63.67		28	2	63.30	63.69
2025-12-17	Q	AMBZ	63.11	63.67	63.05	63.67	0.27	8,016	76	56.88	63.70
2025-12-16	Q	AMBZ	63.20	63.40	63.10	63.40	-0.09	2,410	13	62.51	63.69
2025-12-15	Q	AMBZ	63.00	63.49	63.00	63.49	0.49	581	11	63.04	63.69
2025-12-12	Q	AMBZ	63.00	63.00	63.00	63.00	0.49	969	22	56.80	63.70
2025-12-11	Q	AMBZ	62.30	63.67	62.30	62.51	0.50	3,981	26	56.70	63.70
2025-12-10	Q	AMBZ	61.51	62.57	61.51	62.01	0.50	7,302	43	61.65	71.65
2025-12-09	Q	AMBZ	61.40	61.51	61.40	61.51	0.02	2,459	13	61.51	62.38
2025-12-08	Q	AMBZ	61.88	62.036	61.42	61.49	-0.01	3,528	26	59.32	62.40
2025-12-05	Q	AMBZ	61.10	61.50	61.10	61.50	61.50	1,945	18	60.95	70.56
2025-12-04	Q	AMBZ	61.35	61.35	61.35	61.35		25	2	60.95	61.25
2025-12-03	Q	AMBZ	60.99	61.35	60.98	61.35	0.36	1,706	18	60.95	61.35
2025-12-02	Q	AMBZ	60.1701	60.99	60.1701	60.99	0.01	529	5	60.95	60.99
2025-12-01	Q	AMBZ	60.90	60.99	60.90	60.98		15,330	4	58.85	64.81
2025-11-28	Q	AMBZ	60.98	60.98	60.98	60.98		294	7	58.85	64.81
2025-11-27	Q	AMBZ	60.10	60.98	60.10	60.98	0.88	0	0
2025-11-26	Q	AMBZ	60.10	60.98	60.10	60.98	0.88	650	7	58.85	64.81
2025-11-25	Q	AMBZ	58.88	60.10	58.88	60.10	1.12	2,851	19	58.85	60.37
2025-11-24	Q	AMBZ	58.85	59.20	58.85	58.98	0.13	5,779	34	58.35	59.37
2025-11-21	Q	AMBZ	58.84	58.85	58.84	58.85	-0.04	3,543	8	58.50	58.91
2025-11-20	Q	AMBZ	58.70	58.89	58.70	58.89	0.05	1,961	8	58.61	58.84
2025-11-19	Q	AMBZ	58.84	58.84	58.61	58.84	-0.06	610	5	58.61	58.84
2025-11-18	Q	AMBZ	58.90	58.90	58.90	58.90	0.36	16,841	6	58.35	58.84
2025-11-17	Q	AMBZ	58.80	58.90	58.40	58.54	-0.38	10,258	66	58.35	58.90
2025-11-14	Q	AMBZ	58.51	58.92	58.51	58.92		2,356	13	58.77	58.92
2025-11-13	Q	AMBZ	58.85	58.99	58.42	58.92	0.07	18,107	96	58.61	58.92
2025-11-12	Q	AMBZ	58.42	58.96	58.42	58.85	0.35	94,503	17	58.40	59.23
2025-11-11	Q	AMBZ	58.99	58.99	58.50	58.50	-0.07	4,830	26	58.40	59.00
2025-11-10	Q	AMBZ	58.88	58.99	58.51	58.57	-0.263	2,700	21	58.40	59.23
2025-11-07	Q	AMBZ	58.833	58.833	58.833	58.833	-0.047	100	1	58.40	58.88