Historical shareholding details of Ms. Kathleen Tregoning, M.A. holdings in Spero Therapeutics Inc (SPRO)

Monthly changes of Ms. Kathleen Tregoning, M.A. shareholding in Spero Therapeutics Inc over the previous months

Month Name Total no. shares held Percent Holding
Jun 12, 2025 Ms. Kathleen Tregoning, M.A. 75,000 0.39%
May 29, 2024 Ms. Kathleen Tregoning, M.A. 55,000 0.29%
Oct 05, 2023 Ms. Kathleen Tregoning 35,000 0.18%
Sep 15, 2022 Ms. Kathleen Tregoning 15,000 0.08%

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