SEPTInvestingStart Free

SPRO 10-Q: SEC filing

Spero Therapeutics

Filed with the SEC on · accession 0001193125-26-458593

SPRO filed a 10-Q (quarterly report) with the SEC on Nov 12, 2026. The quarterly report: unaudited results for the quarter plus management’s comments. The stock moved -2.0% by the first close after the filing.

Summary of the filing

Spero Therapeutics filed its quarterly 10-Q report for Q3 2026, disclosing routine financial results, collaboration revenue from partners including GSK and Pfizer, and details of its at-the-market offering program.

For details, click here →How to read a 10-Q →

Key details

License and collaboration partnerGlaxoSmithKline
License and share purchase agreement partnerPfizer
License agreement partnerEverest Medicines
License agreement partnerMeiji Seika Pharma
At-the-market offering sales agentCantor Fitzgerald & Co.
Grant funding agencyBiomedical Advanced Research and Development Authority (BARDA)

How SPRO stock reacted

Close before

$1.02

Nov 11, 2026

First close after

-1.96%

$1.00

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for SPRO, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for SPRO?

Click here

Frequently asked questions

What did SPRO file with the SEC on Nov 12, 2026?

SPRO filed a 10-Q (SEC filing). Spero Therapeutics filed its quarterly 10-Q report for Q3 2026, disclosing routine financial results, collaboration revenue from partners including GSK and Pfizer, and details of its at-the-market offering program.

How do I read a 10-Q?

The quarterly report: unaudited results for the quarter plus management’s comments. Compare revenue, margins and cash flow with the same quarter last year. Check MD&A for guidance changes and what drove the quarter.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A 10-Q (quarterly report): The quarterly report: unaudited results for the quarter plus management’s comments.

How did SPRO stock react to this filing?

SPRO closed at $1.02 before the filing and $1.00 on Nov 12, 2026 (-1.96%).

Other SPRO SEC filings

Get alerts when SPRO files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
SPRO overviewSPRO analysisSPRO newsLatest SEC filings