Spero Therapeutics, Inc. - SPRO

Latest data: 2/26/2026 10:07:58 PM
EDGAR CIK 0001701108

Buy Breakdown

Total $0

Sell Breakdown

Total $504,976

Monthly Totals

Transaction Filed Name Type Shares @ Price Value Balance change Ownership
02/06/2026
02/09/2026
Chief Operating Officer
Officer
Sell
-18,652 @ $2.36
($44,018.72)
742,506 (-2.45%) Direct
02/06/2026
02/09/2026
Chief Executive Officer, Chief Financial Officer a
CEO
Sell
-87,917 @ $2.36
($207,484.12)
1,012,091 (-7.99%) Direct
02/04/2026
02/05/2026
Chief Operating Officer
Officer
Sell
-3,471 @ $2.24
($7,775.04)
761,158 (-0.45%) Direct
02/03/2026
02/05/2026
Chief Operating Officer
Officer
Sell
-24,224 @ $2.14
($51,839.36)
764,629 (-3.07%) Direct
02/02/2026
02/05/2026
Chief Operating Officer
Officer
Sell
-18,891 @ $2.20
($41,560.20)
788,853 (-2.34%) Direct
02/02/2026
02/04/2026
Chief Executive Officer, Chief Financial Officer a
CEO
Sell
-18,442 @ $2.20
($40,572.40)
1,100,008 (-1.65%) Direct
11/07/2025
11/12/2025
Chief Executive Officer, Chief Financial Officer a
CEO
Sell
-40,270 @ $2.37
($95,439.90)
869,450 (-4.43%) Direct
08/28/2025
09/03/2025
Chief Operating Officer
Officer
Sell
-1,695 @ $1.97
($3,339.15)
739,744 (-0.23%) Direct
08/28/2025
09/03/2025
Director
Sell
-6,572 @ $1.97
($12,946.84)
703,294 (-0.93%) Direct