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Secondary marketplace / Explore private companies / Carbon IPO
Carbon

Carbon IPO

$286.09MM
Series Prime Valuation, Nov 2025
New Funding Round
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Carbon IPO date and status

2013
Founded
IPO Mentioned
Confidential Filing
S-1 Filed
IPO

Company details

Carbon was founded in 2013 by Joseph M. DeSimone, Philip DeSimone, Ed Samulski, Alex Ermoshkin, Steve Nelson, and Nikita Ermoshkin. Carbon has not officially endorsed a plan to participate in an IPO.

Carbon is a 3D printing technology company that uses low-waste sustainable practices. Per Forge data, Carbon raised $683.4 million in funding over 9 rounds. Their latest funding was raised on Dec 15, 2021. Key investors include Madrone Capital Partners, Northgate Capital, BMW i Ventures, Google Ventures, and 40 North Ventures.

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

carbon3d.com
Sector
Industrial
Subsector
Manufacturing
Founded
2013
Headquarters
Seattle, WA, United States
Founders
Alex Ermoshkin, Ed Samulski, Ph.D., Edward Samulski, Joseph DeSimone, Joseph DeSimone, Ph.D., Nikita Ermoshkin, Philip DeSimone, Steve Nelson
Forge Price 1
Price not yet available
Market Activity 2
Limited
Last Matched Price
Get Full Access
Post-Money Valuation 3
$286.09MM
Total Funding
$740.79MM
Last Funding Round
Series Prime

Learn more about Carbon

To invest in Carbon pre-IPO

Can you invest in Carbon pre-IPO?

Carbon 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 Carbon before it goes public?

Yes, subject to any contractual or corporate transfer restrictions, it is possible to list your shares to sell while Carbon 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 Carbon shares?

To explore the value of your Carbon 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 Carbon a publicly traded company?

Carbon 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 Carbon potential IPO

Will Carbon go IPO?

Carbon 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 Carbon’s IPO price?

The Carbon IPO price does not exist at this time, as Carbon 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 Carbon, register for Forge today.

When was Carbon founded?

Carbon was founded in 2013.

What is Carbon funding to date?

Carbon has raised $740.79MM to date.

Carbon major investors

40 North Ventures
Baillie Gifford
Bmw I Ventures
Ge Ventures
Madrone Capital Partners
Northgate Capital
Sequoia Capital
Silver Lake Kraftwerk
Show All InvestorsShow Fewer Investors

Carbon 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
11/12/2025 Series Prime $60MM $2.02 $286.09MM Adidas Ventures, Baillie Gifford, Madrone Capital Partners, Northgate Capital, Sequoia Capital, Silver Lake Technology Management
Price per Share
$ xx.xx
Shares Outstanding
29,706,059
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adidas Ventures, Baillie Gifford, Madrone Capital Partners, Northgate Capital, Sequoia Capital, Silver Lake Technology Management
06/25/2019 Series 1-E $260.55MM $27.99 $2.41B Adidas Ventures, Arkema, Baillie Gifford, Fidelity, Johnson & Johnson, Jsr, Madrone Capital Partners, Sequoia Capital, Temasek
Price per Share
$ xx.xx
Shares Outstanding
9,307,210
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adidas Ventures, Arkema, Baillie Gifford, Fidelity, Johnson & Johnson, Jsr, Madrone Capital Partners, Sequoia Capital, Temasek
12/20/2017 Series 1-D $199.99MM $23.35 $1.73B Archina Capital, Baillie Gifford, Emerson Collective, Fidelity, Ge Ventures, Hydra Ventures, Johnson & Johnson, Reinet Investments, Sequoia Capital, Silver Lake Technology Management, Ucla Ventures
Price per Share
$ xx.xx
Shares Outstanding
8,564,980
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Archina Capital, Baillie Gifford, Emerson Collective, Fidelity, Ge Ventures, Hydra Ventures, Johnson & Johnson, Reinet Investments, Sequoia Capital, Silver Lake Technology Management, Ucla Ventures
09/15/2016 Series 1-C $178.22MM $17.65 $1.03B Autodesk, Bmw I Ventures, Fidelity, Ge Ventures, Gv, Jsr, Nikon, Northgate Capital, Reinet Investments, Sequoia Capital, Silver Lake Technology Management, Yuri Milner
Price per Share
$ xx.xx
Shares Outstanding
10,099,406
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Autodesk, Bmw I Ventures, Fidelity, Ge Ventures, Gv, Jsr, Nikon, Northgate Capital, Reinet Investments, Sequoia Capital, Silver Lake Technology Management, Yuri Milner
04/09/2015 Series 1-B $31.03MM $4.57 $221.95MM Autodesk, Gv, Sequoia Capital
Price per Share
$ xx.xx
Shares Outstanding
6,794,021
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Autodesk, Gv, Sequoia Capital
03/19/2014 Series 1-A $11MM $0.73 $31.43MM Northgate Capital, Piedmont Capital Partners, Sequoia Capital, Silver Lake Technology Management
Price per Share
$ xx.xx
Shares Outstanding
15,071,406
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.0x
Conversion Ratio
1.0x
Dividend Rate
6.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Northgate Capital, Piedmont Capital Partners, Sequoia Capital, Silver Lake Technology Management

Carbon IPO news and media highlights

TechCrunch 04/24/2025

RepAir Carbon is making carbon removal machines ...

RepAir Carbon is developing a new form of carbon capture the company says could drive the cost down as low as $70 to $80 per metric ton of carbon removed.
green biz 04/24/2024

No more funding forests in Cambodia: Interface is ending offsets to go carbon-negative

Carpet manufacturer Interface plans to achieve carbon negativity by 2040 through innovations in materials and manufacturing rather than relying on carbon offsets, which it will discontinue purchasing by 2025. The company aims to expand use of recycled and bio-based materials, product reuse, and partnerships with suppliers to reduce emissions across its value chain.
Pet Food Industry 04/24/2024

Carnivore Meat Company expands sustainability initiatives

Carnivore Meat Company is expanding sustainability initiatives including optimizing case packs to reduce cardboard use by 30% annually, joining the Pet Sustainability Coalition, and partnering with Green Project Technologies to track and reduce their carbon footprint. The company aims to meet growing consumer demand for sustainable pet food.
Forbes 04/22/2024

A Rapidly Growing Carbon Capture Company Is Hiding C02 In Front Of You

Every day, more carbon removal is required. This is needed to counterbalance ongoing emissions that are difficult to eliminate and emissions we were too slow to eliminate historically. Neustark, one of the fastest-growing carbon removal companies, is capturing CO₂ at point sources and storing it in mineral waste, which may now be used to make your streets.
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: Industrial
Subsector: Manufacturing
Trade Metrics Last Funding Round
Company Forge Price Last Matched Round Post-Money Valuation 3 Price Per Share Amount Raised
SpaceXSpaceX$550.00 +$102.77 (22.98%)$ xx.xxSeries N$46.08B$270.00$1.9B
MotiveMotive$15.75 -$7.65 (32.69%)$ xx.xxSeries F Senior$3.08B$23.40$169.94MM
zSpacezSpaceNot available$ xx.xxNot available------
VenHubVenHubNot available$ xx.xxSeries A$346.71MM$1.91$24.3MM
See Tech IPO Calendar

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
See All Actively Traded Companies

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
Figure AI Figure AI $174.00 -$20.00 (10.31%)Limited $xxx.xx
See All AI Companies

Forge, your trusted partner for pre-IPO insights and Carbon 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.

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Updated on: Nov 13, 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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