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Illustration for: Fizz Accuses VC of Leaking Its Data to Rival Sidechat
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Fizz Accuses VC of Leaking Its Data to Rival Sidechat

College social app Fizz alleges Maveron investor Jerry Lu met founders under the guise of exploring an investment, then passed its confidential investor deck and financials to rival Sidechat.

By the Numbers

Jerry Lu, Maveron
VC named
2023
Original suit filed
Investor deck, fall summary
Alleged shared materials
Yik Yak
Sidechat also runs
TC
By the Funding Desk
Edited by Trace Cohen · Early-stage VC & angel · Founder, New York Venture Partners
July 10, 2026
2 min read
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THE RUNDOWN

1

Fizz, in a new filing expanding its years-long lawsuit against rival Sidechat, accuses Maveron venture capitalist Jerry Lu of meeting with Fizz founders under the pretense of exploring a potential investment, then sharing the company's non-public information with Sidechat, TechCrunch reported July 10

2

The filing alleges Jack Burlinson, an acquaintance of both the founders and Lu, shared confidential materials -- including Fizz's investor deck and a fall summary prepared for investors -- with Lu, who then passed the documents directly to Sidechat

3

Sidechat CEO Kyle Venn, who also runs Yik Yak, called the claims "allegations, not court findings" and said the company denies wrongdoing and will address the matter through the legal process; requests for comment sent to Lu and Maveron went unreturned

4

The dispute extends Fizz's original 2023 lawsuit against Sidechat, which alleged a range of anticompetitive conduct including disrupting campus launches, spreading false hacking rumors and paying students to delete the Fizz app

TC

The VC Read · Trace's Take

Trace Cohen

Every founder's worst fundraising nightmare is exactly what Fizz is alleging here -- an investor using diligence access as cover to gather competitive intelligence for a portfolio-adjacent rival. Whether or not this specific claim survives discovery, it's a live reminder to gate what you share in a first meeting until a term sheet, or at minimum a real NDA, is actually on the table.

Analysis

Fizz, the college-focused anonymous social app, filed an expanded claim in its ongoing lawsuit against rival Sidechat on July 10, alleging that Maveron venture capitalist Jerry Lu met with Fizz founders under the guise of exploring a potential investment, then turned around and shared the company's confidential fundraising materials directly with Sidechat, according to TechCrunch reporting.

The filing gets specific: Fizz alleges Jack Burlinson, described as an acquaintance of both the founders and Lu, passed along confidential materials -- including Fizz's investor deck and a fall summary document prepared specifically for prospective investors -- to Lu, who then shared those materials with Sidechat. If accurate, the allegation describes exactly the kind of investor-access abuse that founders fear most during fundraising: using diligence access as a pretext to gather competitive intelligence rather than genuine investment interest.

Sidechat CEO Kyle Venn, who also runs the related anonymous-social platform Yik Yak, pushed back directly, telling TechCrunch the claims are "allegations, not court findings" and that Sidechat denies any wrongdoing and will address the matter through the legal process. Requests for comment sent to Lu and Maveron were not returned, leaving the VC's side of the story unaddressed publicly for now.

“Requests for comment sent to Lu and Maveron were not returned, leaving the VC's side of the story unaddressed publicly for now.”

The filing extends a lawsuit Fizz originally brought against Sidechat in 2023, alleging a broader pattern of anticompetitive conduct including disrupting Fizz's campus launches, spreading false rumors about hackers accessing Fizz's data, filing false spam reports against Fizz with Instagram, and paying students to delete the Fizz app -- meaning this VC-leak allegation is the latest chapter in an already contentious rivalry rather than an isolated incident.

For founders raising venture capital, the case is a sharp reminder to be deliberate about which competitive-adjacent investors get access to sensitive fundraising materials, and to consider NDAs or more limited information-sharing with investors whose portfolios or relationships create plausible conflicts of interest. For LPs and the broader venture community, an allegation this specific against a named investor at a recognizable firm -- if it holds up -- would be a genuinely rare instance of a confidentiality-breach claim advancing far enough to become public court filings rather than staying an industry whisper.

The bear case: allegations in a legal filing aren't proven facts, and Maveron and Lu haven't yet had the opportunity to respond substantively in court; the claim could also be difficult to prove without clear documentary evidence of the alleged information transfer. What to watch next: whether Maveron or Lu file a formal response or motion to dismiss, and whether the underlying Fizz-Sidechat litigation from 2023 finally reaches a resolution now that it's absorbed this new allegation.

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Key Sources

2 sources
SourceTechCrunch
AnalysisValue Add Pulse

Reported by TechCrunch · Analysis by Value Add Pulse.

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