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Abnormal AI

Abnormal AI IPO

$5.07B
Series D Valuation, Aug 2024
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Abnormal AI IPO date and status

2018
Founded
IPO Mentioned
Confidential Filing
S-1 Filed
IPO

Company details

Abnormal Security was founded in 2018 by Evan Reiser and Sanjay Jeyakumar. Abnormal Security has not officially endorsed a plan to participate in an IPO.

Abnormal Security is the developer of an AI-based email security platform that detects potential cyberattacks through cloud-based email systems. Per Forge data, Abnormal Security raised $284 million in funding over 4 rounds. Their latest funding was raised on Mar 29, 2023. Key investors include Greylock, Menlo Ventures, CrowdStrike Falcon Fund, and Insight Partners.

These comments should not be interpreted to mean that the company is formally pursuing or foregoing an IPO.

Subsector
Founded
2018
Headquarters
San Francisco, CA, United States
Forge Price 1
Price not yet available
Market Activity 2
Limited
Last Matched Price
Post-Money Valuation 3
$5.07B
Total Funding
$534.13MM
Last Funding Round
Series D

Learn more about Abnormal AI

To invest in Abnormal AI pre-IPO

Can you invest in Abnormal AI pre-IPO?

Abnormal AI is privately held and not traded on public markets, so pre-IPO investments are available only to accredited investors.

If you’re already accredited and have completed Forge’s verification, you can visit our marketplace to review and invest in private companies ahead of an IPO.

If you haven’t yet completed your accredited investor verification with Forge, you can start that process now to unlock access to new private-company offerings.

For more on who qualifies—and how to get verified—see our blog “Accredited investors, qualified clients and qualified purchasers: Who can invest?

Can you sell shares of Abnormal AI before it goes public?

Yes, subject to any contractual or corporate transfer restrictions, it is possible to list your shares to sell while Abnormal AI is still private. If you’re considering selling, you can register today for free to get started. Once registered, you can evaluate pricing insights and market activity to inform your decision, then post your shares for sale and set the terms, like quantity and price—all directly through our platform.

If you’d like additional guidance at any point, Forge private market specialists are available to help. For a step-by-step overview, check out our seller’s guide.

What is the pre-IPO value of my Abnormal AI shares?

To explore the value of your Abnormal AI shares, create a free account to access Forge’s marketplace. Once inside, you’ll find several pricing insights to help guide your decision—these include historical transaction data, a live order book showing current buy and sell interest, and Forge Price™, a derived, indicative price based on recent transactions, investor activity, and other relevant market data.

These insights can help you determine a price you’re comfortable with if you choose to sell your shares. If you’d like additional guidance along the way, Forge private market specialists are available to help. You can also review our seller’s guide for a step-by-step overview.

Is Abnormal AI a publicly traded company?

Abnormal AI is a private company and not publicly traded.

If you’re interested in buying or selling shares in private companies, you can register with Forge today for free to explore available opportunities. Once registered, you’ll gain access to our marketplace, where you can view active buy and sell interest, evaluate pricing signals and take action directly through the platform.

To learn more about Abnormal AI potential IPO

Will Abnormal AI go IPO?

Abnormal AI has not yet filed for an IPO. However, it’s important to note that IPOs are not the sole avenue for a private company to transition to public trading. Private companies can also go public through alternative methods such as but limited to Special Purpose Acquisition Companies (SPACs), direct listings, or mergers and acquisitions. Find out which companies are eyeing an IPO on our Tech IPO Calendar 2025.

What is Abnormal AI’s IPO price?

The Abnormal AI IPO price does not exist at this time, as Abnormal AI is still a private company and has not yet conducted an IPO. To explore secondary market data and access private market pricing details and data that may be related to Abnormal AI, register for Forge today.

When was Abnormal AI founded?

Abnormal AI was founded in 2018.

What is Abnormal AI funding to date?

Abnormal AI has raised $534.13MM to date.

Abnormal AI major investors

Artisanal Ventures
Crowdstrike Holdings
Greylock
Insight Venture Partners
Menlo Ventures
The Syndicate Group

Abnormal AI pre-IPO valuation and funding rounds

Funding history chart
Funding round and deals details
Funding Date Round Amount Raised Price per Share Post-Money Valuation 3 Key Investors
08/06/2024 Series D $250MM $23.16 $5.07B Crowdstrike, Greylock Partners, Insight Partners, Menlo Ventures, Wellington Management
Price per Share
$ xx.xx
Shares Outstanding
10,794,475
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
8.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Crowdstrike, Greylock Partners, Insight Partners, Menlo Ventures, Wellington Management
05/10/2022 Series C $209.66MM $19.62 $4B Greylock Partners, Insight Partners, Menlo Ventures
Price per Share
$ xx.xx
Shares Outstanding
10,688,829
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
8.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Greylock Partners, Insight Partners, Menlo Ventures
11/18/2020 Series B $50.46MM $3.27 $615.32MM Greylock Partners, Menlo Ventures
Price per Share
$ xx.xx
Shares Outstanding
15,423,753
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
8.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Greylock Partners, Menlo Ventures
11/09/2019 Series A-2 $14.4MM $0.82 $131.19MM Greylock Partners
Price per Share
$ xx.xx
Shares Outstanding
17,603,763
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
8.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Greylock Partners
11/09/2019 Series A $9.6MM $0.18 $131.19MM Greylock Partners
Price per Share
$ xx.xx
Shares Outstanding
54,568,377
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
8.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Greylock Partners

Abnormal AI IPO news and media highlights

Abnormal Security, valued at $5.1 billion amid email security push, eyes eventual IPO

Cybersecurity company Abnormal Security said Tuesday it has raised $250 million in a Series D funding round that values the firm at $5.1 billion. It has also made several strategic hires, potentially moving towards an IPO.

Abnormal Security Named a Fortune AI 50 Innovator, Capping a Year of Notable AI Award Wins

Abnormal Security was named a Fortune AI 50 Innovator by select investors.

Abnormal Security’s CEO explains how ‘defensive A.I.’ will someday defeat cyber attacks

Abnormal Security's CEO Evan Reiser believes that defensive AI will eventually defeat cyberattacks. Despite the current disadvantage of AI defenders due to rapidly improving AI technology, Reiser remains optimistic, citing the advantage of access to private company data. The firm, valued at $4 billion in early 2022, recently released CheckGPT, a tool that detects whether an email was written using generative AI tools.

Security startup Abnormal hits $100 mln in recurring revenue, eyes IPO

Abnormal Security, an AI-powered email security startup, said it has crossed $100 million in annual recurring revenue, meeting a milestone for software companies as it eyes an eventual initial public offering, the company told Reuters.
Browse More Insights

Private companies exploring an IPO

See which private companies are preparing for the public market. Register to get full access to the latest secondary market pricing data.

Sector: Enterprise Software
Subsector: Cybersecurity
Trade Metrics Last Funding Round
Company Forge Price Last Matched Round Post-Money Valuation 3 Price Per Share Amount Raised
CohesityCohesity$15.67 +$0.01 (0.06%)$ xx.xxSeries H-1$4.69B$15.66$27.5MM
Liftoff MobileLiftoff MobileNot available$ xx.xxNot available------
DeelDeelNot available$ xx.xxSeries E$17.3B$38.92$300MM
GenesysGenesysNot available$ xx.xxNot available------
EnvoyEnvoyNot available$ xx.xxSeries C$1.4B$3.14$111MM
4C4CNot available$ xx.xxNot available------

Private market movers

Track trading activity and investor momentum across thousands of private companies. Register to view last matched prices and additional transactional details.

Actively traded

Company Forge Price Market Activity Last Matched
Anthropic Anthropic $259.14 -$13.84 (5.07%)High $xxx.xx
OpenAI OpenAI $723.12 +$0.12 (0.02%)High $xxx.xx
SpaceX SpaceX $550.00 +$102.77 (22.98%)High $xxx.xx
Anduril Anduril $114.78 +$9.78 (9.31%)High $xxx.xx
Databricks Databricks $197.72 +$0.06 (0.03%)High $xxx.xx

Artificial Intelligence (AI)

Company Forge Price Market Activity Last Matched
Anthropic Anthropic $259.14 -$13.84 (5.07%)High $xxx.xx
OpenAI OpenAI $723.12 +$0.12 (0.02%)High $xxx.xx
Anduril Anduril $114.78 +$9.78 (9.31%)High $xxx.xx
Databricks Databricks $197.72 +$0.06 (0.03%)High $xxx.xx
SambaNova Systems SambaNova Systems $14.74 -$1.36 (8.45%)Medium $xxx.xx

Forge, your trusted partner for pre-IPO insights and Abnormal Security data

Forge is the trusted platform for buying and selling pre-IPO shares. Investors and shareholders worldwide rely on our deep data insights, liquidity solutions, and tailored investment opportunities to navigate the private market. Register to get started.

Updated on: Dec 31, 2025

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  1. Forge Price™ is a custom data-point calculated and disseminated by Forge Data LLC (“Forge Data”) and is a mark of Forge Data. Forge Price may rely on a very limited number of inputs in its calculation. Forge Price is prepared and disseminated solely for informational purposes. Redistribution is permitted solely with Forge’s written consent. While Forge has obtained information from sources it believes to be reliable, Forge does not perform an audit or undertake any duty of due diligence or independent verification of any information it receives. Forge does not guarantee the accuracy, completeness, timeliness, or availability of Forge Price, and are not responsible for any errors or omissions, regardless of the cause, or any results obtained from the use of Forge Price. Forge Price is derived from secondary activity on the Forge platform and other private market trading platforms, and other publicly-available datapoints collected by Forge. Forge Price is not intended to, and does not necessarily, represent the market price of any securities (I.e., the price at which you could buy or sell such securities). Neither reference to company names, nor calculation of Forge Price for a specific company, implies any affiliation between Forge and that company, any endorsement or sponsorship by Forge of any company or vice versa, or any partnership, joint venture or other commercial relationship between Forge and any company. Rights with respect to any company marks referred to herein are owned by the company. The dollar-figure and percentage displayed indicates the per share change in dollar amount and percentage since the most recent Forge Price change. Percentages are rounded to the nearest whole number.
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