Spero Therapeutics SPRO
NASDAQ SPRO
$1.17 -0.02 (-1.68%)
At close: Sep 9, 2026 · 4:00 PM EDT

Spero Therapeutics (SPRO) Net Shares Issued and Repurchased (2017 - 2026)

Spero Therapeutics' (SPRO) quarterly Net Shares Issued and Repurchased came in at $1.1 million in Q1 2026, up 556.81% on a YoY basis from $170271.0 in Q1 2025, and up 169.86% quarter-over-quarter from $414417.0 in Q4 2025.

Analysis

Spero Therapeutics (SPRO) Net Shares Issued and Repurchased (2017 - 2026) Analysis & Trends

Spero Therapeutics (SPRO) has reported Net Shares Issued and Repurchased for 10 consecutive years, with $1.1 million the latest figure, recorded in Q1 2026.

  • For the quarter ending Q1 2026, Net Shares Issued and Repurchased rose 556.81% year-over-year to $1.1 million; the trailing twelve-month figure through Mar 2026 stood at $1.1 million (up 556.81% YoY), and the FY2025 full-year result was $414417.0, up 379.94% from the prior year.
  • Net Shares Issued and Repurchased climbed to $1.1 million in Q1 2026 per SPRO's latest filing, from $414417.0 in the prior quarter.
  • Across five years, Net Shares Issued and Repurchased topped out at $1.8 million in Q4 2022 and bottomed at $35604.0 in Q1 2024.
  • Historically, Net Shares Issued and Repurchased has averaged $644002.9 across 5 years, with a median of $414417.0 in 2025.
  • The sharpest annual moves came in 2023 and 2026: Net Shares Issued and Repurchased tumbled 95.13% in 2023, then jumped 556.81% in 2026.
  • Over 5 years, Net Shares Issued and Repurchased stood at $1.8 million in 2022, then sank by 35.99% to $1.2 million in 2023, then sank by 92.56% to $86348.0 in 2024, then surged by 379.94% to $414417.0 in 2025, then soared by 169.86% to $1.1 million in 2026.
  • According to Business Quant data, Net Shares Issued and Repurchased over the past three periods registered $1.1 million, $414417.0, and $170271.0 for Q1 2026, Q4 2025, and Q1 2025 respectively.
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Net Shares Issued and Repurchased (Qtr)
1 Amgen 211.73 Bn 197.74 Bn 7.24 Bn -
2 Gilead Sciences 180.92 Bn 177.74 Bn 6.22 Bn -
3 Vertex Pharmaceuticals 132.16 Bn 124.30 Bn 2.84 Bn -
4 Regeneron Pharmaceuticals 82.89 Bn 74.90 Bn 3.93 Bn -
5 Argenx Se 61.41 Bn 56.23 Bn 1.37 Bn -
6 Moderna 53.99 Bn 48.85 Bn 52.00 Mn -
7 Alnylam Pharmaceuticals 34.48 Bn 31.18 Bn 992.69 Mn -
8 Biogen 31.15 Bn 29.86 Bn 1.96 Bn -
9 Roivant Sciences 30.05 Bn 30.05 Bn 1.16 Mn -
10 Spero Therapeutics 67.82 Mn 17.05 Mn - -
Historic Data

Historic Data

Download Data
DateValue
Mar 31, 2026 1.12 Mn
Dec 31, 2025 414,417.00
Mar 31, 2025 170,271.00
Dec 31, 2024 86,348.00
Mar 31, 2024 35,604.00
Dec 31, 2023 1.16 Mn
Mar 31, 2023 46,413.00
Dec 31, 2022 1.81 Mn
Mar 31, 2022 952,604.00
Dec 31, 2021 1.71 Mn
Mar 31, 2021 1.02 Mn
Dec 31, 2020 1.21 Mn
Mar 31, 2020 810,828.00
Dec 31, 2019 1.04 Mn
Mar 31, 2019 823,996.00
Dec 31, 2018 503,730.00
Mar 31, 2018 160,600.00
Dec 31, 2017 2.01 Mn