Spero Therapeutics
Logotype for Spero Therapeutics Inc

Spero Therapeutics (SPRO) investor relations material

Spero Therapeutics Registration filing summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
Logotype for Spero Therapeutics Inc
Registration filing summary28 Aug, 2026

Company overview and business model

  • Clinical-stage biopharmaceutical company focused on next-generation medicines for immune-mediated diseases.

  • Lead program, SP001, is a fully humanized monoclonal antibody targeting CD40 Ligand, licensed from Innovent Biologics and Fortvita Biologics for global development (excluding certain Asian territories).

  • Developing SP001 for Immunoglobulin G4 related disease, with potential for broader immune-mediated indications.

Financial performance and metrics

  • As of June 30, 2026, 58,146,910 shares of common stock outstanding; pro forma up to 140,791,538 shares if full offering is completed at $1.21/share.

  • Historical net tangible book value as of June 30, 2026: $44.2 million ($0.76/share); pro forma net tangible book value after offering: $141.1 million ($1.00/share).

  • Immediate dilution to new investors estimated at $0.21/share if offering is completed at $1.21/share.

Use of proceeds and capital allocation

  • Net proceeds intended for general corporate purposes, including clinical trials, R&D, working capital, capital expenditures, investments, acquisitions, and collaborations.

  • Management retains broad discretion over allocation of proceeds.

Partial view of Summaries dataset, powered by Quartr API
AI can get things wrong. Verify important information.
Research faster. Power your platform.

Next Spero Therapeutics earnings date

Logotype for Spero Therapeutics Inc
H.C. Wainwright 28th Annual Global Investment Conference15 Sep, 2026
Spero Therapeutics
Your earnings 
season toolkit.
Download
Free on both iOS & Android.

Next Spero Therapeutics earnings date

Logotype for Spero Therapeutics Inc
H.C. Wainwright 28th Annual Global Investment Conference15 Sep, 2026

The essential earnings season companion

The #1 app for qualitative research. Live earnings calls, AI chat, transcripts, and more. All for free.

Live calls and transcripts

Listen to earnings calls, CMDs, investor conferences, and more – with a podcast-like experience.

Find what you need faster

Search for any keyword across all transcripts simultaneously.

Easily store key findings

Capturing important takeaways is as simple as it gets. Even during your lunch run or commute.

Your watchlist. Your dashboard.

Follow the companies that matter to you. Get a personalized feed with real-time updates.

Be the first to know

Set keyword alerts for any company, product, or competitor. Get notified the moment they're mentioned.

Consensus estimates

Access analyst consensus estimates, valuation multiples, and revenue segments splits.

All IR material in one place

The easiest way to stay updated during earnings season.

Global coverage

All events from public companies. Live and recorded.

Just click and listen

No webcast links. No manual registrations.

Research anytime, anywhere

Built for professionals. Loved by everyone. Try our free mobile app.

excellent app, it gives me free access to company earnings calls and annual reports. I also love the convenience of calls being available offline so I can listen in whilst doing other things and even when internet or WiFi isn't available.
App-store-avatar.png play-store-avatar.png
Leroy DaleyApp Store
One of the very few apps you could call perfect. If something was to add to it, maybe the share price of the company when you search for it, but it's already excellent.
play-store-avatar
Eferix Drawings Google Play
This is genuinely one of the cleanest and fastest finance apps out there to track the market.
App-store-avatar.png play-store-avatar.png
anuj283App Store
excellent app, it gives me free access to company earnings calls and annual reports. I also love the convenience of calls being available offline so I can listen in whilst doing other things and even when internet or WiFi isn't available.
App-store-avatar.png play-store-avatar.png
Leroy DaleyApp Store
One of the very few apps you could call perfect. If something was to add to it, maybe the share price of the company when you search for it, but it's already excellent.
play-store-avatar
Eferix Drawings Google Play
This is genuinely one of the cleanest and fastest finance apps out there to track the market.
App-store-avatar.png play-store-avatar.png
anuj283App Store
I can't remember the last time an app had such a positive impact on my investment process.
x-avatar
@ankurshah47_ x.com
Love the app! Quartr makes it really easy to keep track of earnings calls. It also includes the reports and slides to make it easier to follow along.
App-store-avatar.png play-store-avatar.png
Amina0781App Store
Quartr is amazing, no way around it. It is the best right now for earnings calls, presentations, and the like.
x-avatar
@theshortbearx.com
I can't remember the last time an app had such a positive impact on my investment process.
x-avatar
@ankurshah47_ x.com
Love the app! Quartr makes it really easy to keep track of earnings calls. It also includes the reports and slides to make it easier to follow along.
App-store-avatar.png play-store-avatar.png
Amina0781App Store
Quartr is amazing, no way around it. It is the best right now for earnings calls, presentations, and the like.
x-avatar
@theshortbearx.com

Frequently asked questions

Explore our global coverage