SPERO THERAPEUTICS INC (SPRO)       1.83  +0.01 (+0.55%)

1.83  +0.01 (+0.55%)

US84833T1034 - Common Stock




Shares Outstanding51.78M
Float38.05M
Owners (insider)1.77%
Owners (institutional)38.39%
Owners (insider) change33.66%
Owners (institutional) change-0.04%
Date Name Type Shares Price Amount
Sep 22, 2022 Aquilo Capital Management, LLC Open Market Sale 1901796 2.25 $ 4,279,611.54
Sep 22, 2022 Aquilo Capital, L.P. Open Market Sale 1901796 2.25 $ 4,279,611.54
Sep 15, 2022 Smith Cynthia Grant 15000 0.00 $ 0.00
Sep 15, 2022 THOMAS FRANK E Grant 15000 0.00 $ 0.00
Sep 15, 2022 Jackson Scott Thomas Grant 15000 0.00 $ 0.00
Sep 15, 2022 Deshpande Milind Grant 15000 0.00 $ 0.00
Sep 15, 2022 Pottage John C Jr Grant 15000 0.00 $ 0.00
Sep 15, 2022 Tregoning Kathleen Grant 15000 0.00 $ 0.00
Sep 15, 2022 VINK PATRICK V.J.J. Grant 15000 0.00 $ 0.00
Sep 12, 2022 HAMED KAMAL Grant 210000 0.00 $ 0.00
Aug 29, 2022 Shukla Sath Open Market Sale 6017 0.89 $ 5,377.99
Apr 26, 2022 Aquilo Capital Management, LLC Open Market Purchase 39727 5.24 $ 207,970.85
Apr 26, 2022 Aquilo Capital, L.P. Open Market Purchase 39727 5.24 $ 207,970.85
Mar 30, 2022 Aquilo Capital Management, LLC Open Market Purchase 50000 8.79 $ 439,420.00
Mar 30, 2022 Aquilo Capital, L.P. Open Market Purchase 50000 8.79 $ 439,420.00
Mar 14, 2022 Aquilo Capital Management, LLC Open Market Purchase 23708 7.63 $ 180,797.21
Mar 14, 2022 Aquilo Capital, L.P. Open Market Purchase 23708 7.63 $ 180,797.21
Feb 28, 2022 Aquilo Capital Management, LLC Open Market Purchase 44833 9.53 $ 427,227.11
Feb 28, 2022 Aquilo Capital, L.P. Open Market Purchase 44833 9.53 $ 427,227.11
Feb 18, 2022 Aquilo Capital Management, LLC Open Market Purchase 14828 9.24 $ 137,038.89
Feb 18, 2022 Aquilo Capital, L.P. Open Market Purchase 14828 9.24 $ 137,038.89
Feb 1, 2022 Mahadevia Ankit Grant 134168 0.00 $ 0.00
Feb 1, 2022 Keutzer Timothy Grant 38014 0.00 $ 0.00
Feb 1, 2022 JOSEPH TAMARA L Grant 38014 0.00 $ 0.00
Feb 1, 2022 Larkin Cristina Grant 38014 0.00 $ 0.00
Feb 1, 2022 Shukla Sath Grant 38014 0.00 $ 0.00
Feb 1, 2022 Melnick David A. Grant 38014 0.00 $ 0.00
Jan 31, 2022 Aquilo Capital Management, LLC Open Market Purchase 125000 11.59 $ 1,448,262.50
Jan 31, 2022 Aquilo Capital, L.P. Open Market Purchase 125000 11.59 $ 1,448,262.50