Sider
PrivateMomentum
Top 50%
of companies Caplight tracks
Company Overview
Sider is a software company that provides an AI-powered sidebar and multi-platform application that integrates various large language models to assist with reading, writing, and research tasks.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, Content Creation, Workflow Automation, Document Management
Business Model
B2C
Customer Profile
Subscription SaaS, Freemium, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sider Comparables
Compare Sider with similar companies based on industry and business-model similarity.
Sider Funding Rounds
Historical fundraising activity
Market signals
Structured signals derived from secondary market and firmographic data.
- May 19, 2026
Grew 30% QoQ from 10 to 13 employees.
- Dec 25, 2025
Grew 50% QoQ from 6 to 9 employees.
Recent news
Latest coverage and updates
- identified_as_competitor_ofSep 2, 2026
Sider identified as competitor of Monica.
- identified_as_competitor_ofSep 2, 2026
Sider identified as competitor of MaxAI.
Sider Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
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Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Sider's valuation, stock price, and market status.
Is Sider a public or private company?
Sider is a private company.
What is the current stock price of Sider?
Sider is a private company with no public stock price. No recent secondary market data is available.
How much is Sider worth (valuation)?
Valuation information for Sider is not publicly available.
Can I buy Sider stock?
Sider shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Sider's last funding round?
Funding round information for Sider is not publicly available.
Who are the main investors in Sider?
Investor information for Sider is not publicly disclosed.
Will Sider IPO soon?
No public IPO plans have been announced for Sider.
How can I track Sider secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Sider's secondary market activity and sign up for updates.