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Symbol
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SPRO on Nasdaq
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Investment type
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Equity - Shares of Stock
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Class
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Common Stock, Par Value $0.001
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Latest Disclosed Ownership
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9.19M shares
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Security Ownership
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16.4%
GSK PLC ownership in Spero Therapeutics, Inc. Common Stock, Par Value $0.001 (SPRO)
2025-03-28 - GSK PLC has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 9.19M shares of Spero Therapeutics, Inc. Common Stock, Par Value $0.001 (SPRO).
This represents 16.4% percent ownership of the company.