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Spero Therapeutics Inc (SPRO)  
$2.90 0.04 (1.36%) as of 4:30 Mon 6/30


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Total Insiders  : 22  
Total Direct Shares :
6,099,937
Total Indirect Shares :
17,974,130
 
% Held by Insiders:
22.43%
 
10 other people own 
 $1,978,661 Joseph Tamara L
 $1,541,684 Mahadevia Ankit
 $2,058,611 Keutzer Timothy
 $2,150,173 Hamed Kamal
 $2,285,539 Rajavelu Esther
 $2,638,188 Shukla Sath
 $5,036,961  
 
Filer's Name Relation Direct Date   Direct Shares Indirect Date Indirect Shares
   Vink Patrick V.j.j. 2025-06-12 75,000 2022-09-15 0
   Smith Cynthia 2025-06-12 75,000 2022-09-15 0
   Jackson Scott Thomas 2025-06-12 75,000 2022-09-15 0
   Mahadevia Ankit 2025-06-12 709,866 2018-07-05 0
   Deshpande Milind 2025-06-12 91,454 2022-09-15 0
   Thomas Frank E 2025-06-12 75,000 2022-09-15 0
   Tregoning Kathleen 2025-06-12 75,000 2022-09-15 0
   Pottage John C Jr 2025-06-12 75,000 2022-09-15 0
   Rajavelu Esther 2025-05-02 909,720 2023-11-13 0
   Keutzer Timothy 2025-02-05 741,439 0
   Shukla Sath 2025-02-05 1,736,883 2021-08-26 0
   Joseph Tamara L 2024-02-02 531,615 2021-08-26 0
   Hamed Kamal 2024-02-02 788,117 2022-09-12 0
   Larkin Cristina Chief Operating Officer 2022-02-01 63,581 2017-11-06 0
   Melnick David A. Chief Medical Officer 2022-02-01 62,081 0
   Sendek Joel Chief Financial Officer 2018-07-05 15,181 2017-11-06 10,181
   Goyal Vikas Director 2017-11-06 0 2017-11-06 1,854,006
   Formela Jean Francois Director 2017-11-06 0 2017-11-06 2,408,128
   Glaxosmithkline Plc 10% Owner 2017-11-06 0 2022-11-07 9,190,606
   Breum Casper Director 2017-11-06 0 2017-11-06 1,091,774
   Parr Thomas R Jr 0 0
   Aquilo Capital, L.p. 10% Owner 0 2022-09-22 3,419,435
22 Records found