SPRO

Spero Therapeutics, Inc.

Investor Moves

Investor	Portfolio Value	Portfolio Change	Position Change	Avg Buy Price	Current Price
Ken GriffinCitadel Advisors $-1.1M ExitQ1 2026 $1.1M -- $2.90
Jim SimonsRenaissance Technologies $2.8M1.2M shares TrimQ1 2026 $198k $2.34 $2.90
Steven CohenPoint72 $140k59.7k shares AddQ1 2026 $38k $2.34 $2.90
Ken GriffinCitadel Advisors $1.1M471k shares AddQ4 2025 $994k $2.33 $2.90
Jim SimonsRenaissance Technologies $3.0M1.3M shares AddQ4 2025 $250k $2.33 $2.90
Ken GriffinCitadel Advisors $-595.8K TrimQ3 2025 $596k -- $2.90