ATM program
Issued 2021
Total capacity
Sold to date
Remaining capacity
- Sales agent
- Agreement date
- Commission
SPRO$1.05+0.77%
Spero Therapeutics, Inc.
Sector: Pharmaceutical PreparationsIndustry: BiotechnologyCountry: USExchange: Nasdaq
Mkt Cap:$61.03M
Float & O/S:
Inst Own:
DilutionScan read 22 of Spero Therapeutics, Inc.'s SEC filings and found 2 ATM programs and 2 shelf registrations on file for SPRO. The latest dilution event on file is a registration statement on Sep 10, 2026. Analysis updated Oct 7, 2026.
Signal8 Summary
SPRO
FDA approval met with selling
Snapshot
Spero Therapeutics is a clinical-stage biotech that successfully partnered its drug Utebzi with GSK. FY 2025 revenue jumped to $59.6M with $8.6M in net income, but Q1 2026 revenue collapsed to $258K, indicating the 2025 numbers were likely one-time collaboration milestones.
What's Happening Right Now
- : Spero and GSK received FDA approval for Utebzi to treat complicated urinary tract infections in adults.
- : Spero reported first quarter 2026 results, reaffirming a cash runway into 2028 while the FDA reviews its drug application.
Raise routes on file: active ATM + effective shelf · latest dilution event 54 days ago
Overall Risk
Offering Ability
Overhead Supply
Historical
Cash Need
AI dilution summary
The dominant contractual driver and its mechanism, then each further driver ranked.
Latest dilution event
Sep 10, 2026 · Registration
Every warrant, convertible, ATM and shelf, cited to the filing
A free account reads 3 tickers a day in full
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
Share count and cash history
Shares outstanding, potential dilution and cash over time
Terminated
ATM program
Issued 2026
Total capacity
Sold to date
Remaining capacity
- Sales agent
- Agreement date
- Commission
S-3 shelf registration
Issued 2024
Total capacity
Remaining
- Filed
- Effective
- Expires
- Baby shelf
S-3 shelf registration
Issued 2026
Total capacity
Remaining
- Filed
- Effective
- Expires
- Baby shelf
Know who's about to sell into your SPRO trade
Exercise prices, conversion terms, shelf headroom and the filing sentence behind every number.
$59/mo with 7 days free, or $49/mo billed yearly ($588/yr)
