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Spero Therapeutics, Inc. - SPRO
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Chemicals
Pharmaceutical Preparations
Include option trades
Include indirect trades
Latest data: 2/26/2026 10:07:58 PM
EDGAR CIK
0001701108
1 Month
3 Month
6 Month
1 Year
2 Years
Buy Breakdown
Total $0
No buy transactions for this time period.
Sell Breakdown
Total $504,976
Monthly Totals
Transaction
Filed
Name
Type
Shares @ Price
Value
Balance change
Ownership
02/06/2026
02/09/2026
Keutzer Timothy
Chief Operating Officer
Officer
Sell
-18,652 @ $2.36
($44,018.72)
742,506
(-2.45%)
Direct
02/06/2026
02/09/2026
Rajavelu Esther
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
Keutzer Timothy
Chief Operating Officer
Officer
Sell
-3,471 @ $2.24
($7,775.04)
761,158
(-0.45%)
Direct
02/03/2026
02/05/2026
Keutzer Timothy
Chief Operating Officer
Officer
Sell
-24,224 @ $2.14
($51,839.36)
764,629
(-3.07%)
Direct
02/02/2026
02/05/2026
Keutzer Timothy
Chief Operating Officer
Officer
Sell
-18,891 @ $2.20
($41,560.20)
788,853
(-2.34%)
Direct
02/02/2026
02/04/2026
Rajavelu Esther
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
Rajavelu Esther
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
Keutzer Timothy
Chief Operating Officer
Officer
Sell
-1,695 @ $1.97
($3,339.15)
739,744
(-0.23%)
Direct
08/28/2025
09/03/2025
Mahadevia Ankit
Director
Sell
-6,572 @ $1.97
($12,946.84)
703,294
(-0.93%)
Direct