Amphastar Pharmaceuticals, Inc. (AMPH)

Historical Shares Outstanding

Current Count

46.5M

Financial Fundamentals

AMPH • Quarterly Data • 5Y View

Date	Shares Out. (M)	Change (M)	Change %
2026-03-31	46.5	-0.7	-1.50%
2025-12-31	47.2	-0.5	-1.08%
2025-09-30	47.7	-0.5	-0.94%
2025-06-30	48.1	-1.8	-3.53%
2025-03-31	49.9	-2.2	-4.16%
2024-12-31	52.1	0.2	+0.38%
2024-09-30	51.9	-0.2	-0.35%
2024-06-30	52.0	-1.0	-1.82%
2024-03-31	53.0	-0.0	-0.00%
2023-12-31	53.0	-0.9	-1.68%
2023-09-30	53.9	0.8	+1.54%
2023-06-30	53.1	1.1	+2.18%
2023-03-31	52.0	0.3	+0.49%
2022-12-31	51.7	-1.1	-2.03%
2022-09-30	52.8	-0.4	-0.82%
2022-06-30	53.2	1.2	+2.40%
2022-03-31	52.0	1.9	+3.84%
2021-12-31	50.1	0.0	+0.10%
2021-09-30	50.0	0.5	+0.92%
2021-06-30	49.6	0.0	+0.07%
2021-03-31	49.5	2.0	+4.26%
2020-12-31	47.5	-2.4	-4.72%
2020-09-30	49.8	3.1	+6.62%
2020-06-30	46.8	-1.5	-3.10%
2020-03-31	48.2	1.4	+3.01%
2019-12-31	46.8	-3.2	-6.46%
2019-09-30	50.1	0.2	+0.36%
2019-06-30	49.9	-0.5	-1.04%
2019-03-31	50.4	1.2	+2.51%
2018-12-31	49.2	0.9	+1.86%
2018-09-30	48.3	1.7	+3.70%
2018-06-30	46.6	0.0	+0.09%
2018-03-31	46.5	-2.8	-5.71%
2017-12-31	49.3	1.1	+2.31%
2017-09-30	48.2	0.3	+0.73%
2017-06-30	47.9	-0.2	-0.40%
2017-03-31	48.1	2.0	+4.24%
2016-12-31	46.1	-1.8	-3.86%
2016-09-30	48.0	2.0	+4.32%
2016-06-30	46.0	-0.8	-1.80%
2016-03-31	46.8	1.8	+4.11%
2015-12-31	45.0	-0.3	-0.77%
2015-09-30	45.3	0.5	+1.03%
2015-06-30	44.8	0.2	+0.56%
2015-03-31	44.6	-0.0	-0.11%
2014-12-31	44.6	0.0	+0.01%
2014-09-30	44.6	4.9	+12.26%
2014-06-30	39.8	-3.6	-8.38%
2014-03-31	43.4	35.4	+442.57%
2013-12-31	8.0	0.0	0.00%
2013-09-30	8.0	0.0	0.00%
2013-06-30	8.0	0.0	0.00%
2013-03-31	8.0	0.0	0.00%
2012-12-31	8.0	—	—