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DealFlow OS
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DealFlow

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C

Cardboard

Seed
www.usecardboard.com/B2BCA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 5:43 PM

Beta

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

What they do

Cardboard | Agentic Video Editor Official product site for browser-based agentic video editing.

Funding

Raised $500K across 1 funding round. Latest: $500K Seed (Jan 2026). Investors: Y Combinator. (High).

Quick read

  • •Cardboard | Agentic Video Editor Official product site for browser-based agentic video editing.
  • •Reported angle: Cardboard: Agentic video editor | Y Combinator
  • •Indexed activity snapshot: 2 funding‑related row(s), 1 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

Stage

Seed (YC)

Evidence summary

Verified facts

  • •Cardboard | Agentic Video Editor Official product site for browser-based agentic video editing.
  • •Reported angle: Cardboard: Agentic video editor | Y Combinator
  • •Indexed activity snapshot: 2 funding‑related row(s), 1 hiring‑related, 0 GitHub‑tagged, 3 product/news‑style — scoring reflects corpus coverage only.

Recent movers

  • •May 20, 2026 · tracxn.com — Cardboard funding rounds (Tracxn)
  • •May 20, 2026 · ycombinator.com — Cardboard: Agentic video editor | Y Combinator
  • •May 20, 2026 · usecardboard.com — We're hiring | Careers at Cardboard

+1 more in Recent movement below

  • •May 20, 2026 · tracxn.com — Cardboard funding rounds (Tracxn)
  • •May 20, 2026 · ycombinator.com — Cardboard: Agentic video editor | Y Combinator
  • •May 20, 2026 · usecardboard.com — We're hiring | Careers at Cardboard
  • •May 20, 2026 · ycombinator.com — Launch YC: Cardboard - Agentic Video Editor
  • •Y Combinator

Funding

Raised $500K across 1 funding round. Latest: $500K Seed (Jan 2026). Investors: Y Combinator. (High).

Hiring

1 hiring‑related row(s); role‑spam risk if mostly generic boards (Low).

GitHub

No GitHub‑linked evidence indexed (Low).

Product / news

3 product/news‑styled row(s); headline risk without filings (High).

Traffic / social

No traffic/social evidence indexed (Low).

Funding & hiring signals

funding_articleMay 20, 2026Confidence: high

Cardboard funding rounds (Tracxn)

Reports $500K seed from Y Combinator for W26 batch company.

Affected score: yesObserved: May 20, 2026Round: SeedAmount: $500K
raisedseed
funding_articleMay 20, 2026Confidence: high

Cardboard: Agentic video editor | Y Combinator

YC W26 company profile with founders, launch context, and batch details.

Affected score: yesObserved: May 20, 2026
fundingraised
ReferenceApr 12, 2024Confidence: high

CleanFiber wants to turn millions of tons of cardboard boxes into insulation

Affected score: yesObserved: Apr 12, 2024
raised

Open roles (indexed)

  • Founding StorytellerSan Francisco, California · Full-timeLinkedIn / Indeed
  • Founding DesignerSan Francisco, California · Full-timeLinkedIn / Indeed
  • Founding Design EngineerSan Francisco, California, United States · Full-timeLinkedIn / Indeed
  • Founding AI EngineerSan Francisco, California · Full-timeLinkedIn / Indeed

Failed or blocked links

No failed or blocked source links on record.

DealFlow growth score
47.0Moderate public activity signal
7D-31%
30D+1%
High Confidence

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Source health

  • public_market_enrichmentok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_pressok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_newsok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_jobsok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_companyok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_careersok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_blogok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_aboutok
    Last checked Mon, May 11, 09:06 AM
  • public_page:_ok
    Last checked Mon, May 11, 09:06 AM
  • public_page:homeok
    Last checked Mon, May 11, 09:06 AM

DealFlow score momentum

477D -3130D +1
100500
2026-05-20: 47

More runs will build history.

The score is an algorithmic estimate based on observed public company-level signals. It may be incomplete, stale, or inaccurate and is not investment, legal, tax, or business advice.

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
5
Latest evidence
Wed, May 20, 05:43 PM

Source types found

company_sitefunding_articlepress

Strongest / recent news-style rows

  • Cardboard funding rounds (Tracxn)

    Wed, May 20, 05:43 PM · confidence 88%high quality

    https://tracxn.com/d/companies/cardboard/__bFsjPmJjJIU9cuQyTjsFXp2D7gDc8tc56ENUo1sK6A8/funding-and-investors
  • Cardboard: Agentic video editor | Y Combinator

    Wed, May 20, 05:43 PM · confidence 85%high quality

    https://www.ycombinator.com/companies/cardboard
  • We're hiring | Careers at Cardboard

    Wed, May 20, 05:43 PM · confidence 85%high quality

    https://www.usecardboard.com/careers

Public signal timeline

Newest first · 5 event(s)

1
Wed, May 20, 05:43 PM · company_site · 85% · verified_publichigh quality

Cardboard | Agentic Video Editor

Official product site for browser-based agentic video editing.

Source ↗
2
Wed, May 20, 05:43 PM · funding_article · 88% · verified_publichigh quality

Cardboard funding rounds (Tracxn)

Reports $500K seed from Y Combinator for W26 batch company.

Source ↗
3
Wed, May 20, 05:43 PM · funding_article · 85% · verified_publichigh quality

Cardboard: Agentic video editor | Y Combinator

YC W26 company profile with founders, launch context, and batch details.

Source ↗
4
Wed, May 20, 05:43 PM · press · 85% · verified_publichigh quality

We're hiring | Careers at Cardboard

Public careers page (direct URL, not login-walled).

Source ↗
5
Wed, May 20, 05:43 PM · press · 85% · verified_publicmedium quality

Launch YC: Cardboard - Agentic Video Editor

Launch post describing agentic editing, collaboration, and target users.

Source ↗

Official / company site

1 row(s)

company_site·Wed, May 20, 05:43 PM·Confidence 85%high qualityverified_public

Cardboard | Agentic Video Editor

Official product site for browser-based agentic video editing.

https://www.usecardboard.com/

News

2 row(s)

press·Wed, May 20, 05:43 PM·Confidence 85%high qualityverified_public

We're hiring | Careers at Cardboard

Public careers page (direct URL, not login-walled).

https://www.usecardboard.com/careers
press·Wed, May 20, 05:43 PM·Confidence 85%medium qualityverified_public

Launch YC: Cardboard - Agentic Video Editor

Launch post describing agentic editing, collaboration, and target users.

https://www.ycombinator.com/launches/PM3-cardboard-agentic-video-editor

Funding / news

2 row(s)

funding_article·Wed, May 20, 05:43 PM·Confidence 88%high qualityverified_public

Cardboard funding rounds (Tracxn)

Reports $500K seed from Y Combinator for W26 batch company.

https://tracxn.com/d/companies/cardboard/__bFsjPmJjJIU9cuQyTjsFXp2D7gDc8tc56ENUo1sK6A8/funding-and-investors
funding_article·Wed, May 20, 05:43 PM·Confidence 85%high qualityverified_public

Cardboard: Agentic video editor | Y Combinator

YC W26 company profile with founders, launch context, and batch details.

https://www.ycombinator.com/companies/cardboard

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