Amphastar Pharmaceuticals (AMPH) Shares Outstanding (2013 - 2026)

Amphastar Pharmaceuticals' Shares Outstanding history runs 14 years deep, the most recent figure standing at $62.1 million for Q1 2026.

• In Q1 2026, Shares Outstanding rose 1.37% year-over-year to $62.1 million; the TTM figure through Mar 2026 stood at $62.1 million (up 1.37% YoY), while the FY2025 annual figure was $45.6 million, down 24.98% from the prior year.
• Shares Outstanding was $62.1 million for Q1 2026 at Amphastar Pharmaceuticals, up from $45.6 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $61.7 million in Q3 2025 to a low of -$10.3 million in Q1 2023.
• Historically, Shares Outstanding has averaged $50.0 million across 5 years, with a median of $59.2 million in 2023.
• The sharpest annual moves came in 2022 and 2025: Shares Outstanding grew 4.19% in 2022, then fell 24.98% in 2025.
• A 5-year view of Shares Outstanding shows it stood at $58.1 million in 2022, then grew by 2.2% to $59.4 million in 2023, then rose by 2.45% to $60.8 million in 2024, then retreated by 24.98% to $45.6 million in 2025, then surged by 36.12% to $62.1 million in 2026.
• The last three Shares Outstanding figures came in at $62.1 million (Q1 2026), $45.6 million (Q4 2025), and $46.3 million (Q3 2025), per Business Quant data.