Tatum Security
PrivateLast Round
Series A
Extension
Feb 4, 2026
Est. Valuation
$14.74M
Total Funding Raised
$2.4M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Tatum Security is a cybersecurity company that develops a Cloud Native Application Protection Platform (CNAPP) to provide a secure cloud security foundation.
Sector
Cybersecurity
Verticals
Cloud Security, Application Security, DevOps & Containers, Compliance & Risk, Vulnerability Management
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Tatum Security Comparables
Compare Tatum Security with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Seekers Inc. | 80% | |
| Aqua Security | 73% | |
| Lacework | 72% |
Tatum Security Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A Extension | Feb 4, 2026 | ||||
| Series A Extension | Dec 1, 2025 | ||||
| Series A | Nov 1, 2022 |
Tatum Security Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Hana Ventures | Series A |
| Korea Investment Partners | Series A |
| Samsung Venture Investment | Series A Extension |
| Samsung Venture Investment | Series A Extension |
| SJ Investment Partners | Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 18, 2026
Added Nhlife, an insurance company, as a customer.
- Feb 4, 2026
Samsung Venture Investment and SJ Investment Partners participated.
Tatum Security Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Tatum Security's valuation, stock price, and market status.
Is Tatum Security a public or private company?
Tatum Security is a private company.
What is the current stock price of Tatum Security?
Tatum Security is a private company with no public stock price. No recent secondary market data is available.
How much is Tatum Security worth (valuation)?
Valuation information for Tatum Security is not publicly available.
Can I buy Tatum Security stock?
Tatum Security 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 Tatum Security's last funding round?
Tatum Security's most recent funding round was Series A Bridge on December 1, 2025.
Who are the main investors in Tatum Security?
Key investors in Tatum Security include Samsung Venture Investment, SJ Investment Partners.
Will Tatum Security IPO soon?
No public IPO plans have been announced for Tatum Security.
How can I track Tatum Security secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Tatum Security's secondary market activity and sign up for updates.