NASDAQ:AMPH | Shares Outstanding | Amphastar Pharmaceuticals, Inc.

Complete source-backed shares outstanding history.

Available history
2013-12-31 to 2026-07-31
Data captured

Historical Shares Outstanding

DateShares outstanding
2026-07-3142,537,944
2026-06-3042,532,225
2026-05-0144,092,919
2026-03-3144,636,846
2026-02-2045,370,171
2025-12-3145,645,497
2025-10-3145,952,174
2025-09-3046,348,863
2025-08-0146,495,077
2025-06-3046,490,609
2025-05-0147,139,085
2025-03-3147,670,177
2025-02-2547,650,121
2024-12-3147,617,691
2024-11-0148,081,433
2024-09-3048,372,997
2024-08-0248,675,822
2024-06-3048,962,414
2024-05-0348,901,965
2024-03-3148,841,343
2024-02-2248,095,862
2023-12-3148,068,881
2023-11-0247,907,411
2023-09-3047,898,466
2023-08-0248,855,602
2023-06-3048,818,806
2023-05-0348,274,042
2023-03-3148,179,238
2023-02-2247,896,820
2022-12-3148,112,069
2022-11-0148,331,186
2022-09-3048,612,545
2022-08-0249,015,172
2022-06-3048,992,289
2022-05-0348,829,793
2022-03-3148,752,175
2022-03-0448,146,865
2021-12-3147,714,912
2021-11-0247,849,145
2021-09-3047,982,690
2021-08-0248,031,668
2021-06-3047,983,549
2021-05-0347,635,351
2021-03-3147,718,003
2021-03-0847,432,937
2020-12-3147,495,439
2020-11-0247,504,019
2020-09-3047,534,215
2020-08-0347,485,546
2020-06-3047,494,909
2020-05-0646,198,304
2020-03-3146,306,103
2020-03-0946,238,303
2019-12-3146,576,968
2019-11-0146,938,027
2019-09-3047,199,907
2019-08-0247,226,496
2019-06-3047,217,675
2019-05-0347,065,369
2019-03-3147,098,624
2019-03-0846,788,811
2018-12-3146,631,118
2018-11-0246,098,467
2018-09-3046,159,652
2018-08-0246,256,454
2018-06-3046,416,789
2018-05-0346,614,060
2018-03-3146,656,793
2018-03-0646,350,595
2017-12-3146,623,581
2017-11-0245,975,746
2017-09-3045,896,393
2017-08-0246,195,942
2017-06-3046,248,945
2017-05-0345,737,887
2017-03-3145,958,244
2017-03-0845,910,116
2016-12-3146,248,622
2016-11-0246,023,798
2016-09-3046,038,022
2016-08-0245,121,158
2016-06-3045,091,332
2016-05-0344,845,680
2016-03-3144,942,101
2016-03-0844,913,928
2015-12-3145,198,491
2015-11-0945,019,525
2015-09-3045,206,511
2015-08-1045,337,381
2015-06-3045,329,468
2015-05-1144,724,202
2015-03-3144,662,037
2015-03-1844,564,667
2014-12-3144,646,767
2014-11-1044,648,798
2014-09-3044,645,437
2014-08-0844,644,159
2014-06-3044,635,940
2013-12-3138,765,940