Rajavelu Esther
See Remarks
Sale
Calculated transaction value
$42.49K
40,851 shares @ $1.04
Traded
Nov 9, 2026
Filed
Nov 10, 2026
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Spero Therapeutics
SPRO
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
18 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Rajavelu Esther See Remarks | Nov 10, 2026 1-day lag | Sale Nov 9, 2026 | $42.49K Filed shares x price | SEC Form 4 View filing | |
| Ho William Director | Nov 10, 2026 Same-day filing | Award Nov 10, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Zack Debra Chief Medical Officer | Aug 6, 2026 3-day lag | Award Aug 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Zack Debra Chief Medical Officer | Aug 6, 2026 3-day lag | Award Aug 3, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tregoning Kathleen Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Smith Cynthia Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vink Patrick V.j.j. Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Pottage John C Jr Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Jackson Scott Thomas Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Deshpande Milind Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Smith Cynthia Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Jackson Scott Thomas Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Thomas Frank E Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Vink Patrick V.j.j. Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Deshpande Milind Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Tregoning Kathleen Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Pottage John C Jr Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Thomas Frank E Director | Jun 25, 2026 2-day lag | Award Jun 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Ho William
Director
Award
Calculated transaction value
$0
100,000 shares @ $0
Traded
Nov 10, 2026
Filed
Nov 10, 2026
Zack Debra
Chief Medical Officer
Award
Calculated transaction value
$0
162,311 shares @ $0
Traded
Aug 3, 2026
Filed
Aug 6, 2026
Zack Debra
Chief Medical Officer
Award
Calculated transaction value
$0
324,675 shares @ $0
Traded
Aug 3, 2026
Filed
Aug 6, 2026
Tregoning Kathleen
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Smith Cynthia
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Vink Patrick V.j.j.
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Pottage John C Jr
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Jackson Scott Thomas
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Deshpande Milind
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Smith Cynthia
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Jackson Scott Thomas
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Thomas Frank E
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Vink Patrick V.j.j.
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Deshpande Milind
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Tregoning Kathleen
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Pottage John C Jr
Director
Award
Calculated transaction value
$0
20,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026
Thomas Frank E
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Jun 23, 2026
Filed
Jun 25, 2026