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- Summary
- Chart
- Profile
- Historical

Data

- Earnings (-433.3% Growth)
- Ratings (4.4 Score)

Upcoming Events

- Earnings (11/13/26 *Est.)

News

- Analyst Ratings
- Earnings Related
- Guidance
- Insider Trades
- Mgmt Changes
- M & A
- Retail Sales
- Rumors
- Stock Buybacks
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Spero Therapeutics (NQ:SPRO)
Delayed: 1.23 +0.03 (2.50%)
Prev. Close $1.20  
Open$1.20 
52 Wk High$3.85 
52 Wk Low$1.25 
Day High$1.24 
Day Low$1.19 
P/E N/A  
EPS$-0.28 
Volume480,083 

Friends, Peers and Foes (?): GSK, CMPS, KKR, 6IB, IVBIY (more...)

Aug 12, 2026 04:41 PM SmartPros Ltd. (SPRO) Tops Q2 EPS by 1c
Aug 12, 2026 04:10 PM Form 8-K Spero Therapeutics, Inc. For: Aug 12
Aug 12, 2026 04:03 PM Form 10-Q Spero Therapeutics, Inc. For: Jun 30
Aug 12, 2026 04:01 PM Spero Therapeutics Announces Second Quarter 2026 Operating Results and Provides Business Update
Aug 12, 2026 11:03 AM Form 3 Spero Therapeutics, Inc. For: Aug 03 Filed by: Zack Debra
Aug 12, 2026 11:03 AM Form 4 Spero Therapeutics, Inc. For: Aug 03 Filed by: Zack Debra
Aug 6, 2026 06:49 PM Form 4 Spero Therapeutics, Inc. For: Aug 03 Filed by: Zack Debra
Aug 6, 2026 06:42 PM Form 3 Spero Therapeutics, Inc. For: Aug 03 Filed by: Zack Debra
Aug 5, 2026 04:05 PM Spero Therapeutics Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)
Aug 4, 2026 04:01 PM Spero Therapeutics to Report Second Quarter 2026 Financial Results and Provide Business Update on August 12, 2026
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