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Vic Chen

AI builder exploring finance & institutional investing. Building tools to decode how the smart money moves. SF Bay Area.

Location San Francisco, CA Joined Joined on  Personal website https://github.com/vibeyclaw github website

Education

Stanford University, Computer Science

Work

Founder, building AI tools for finance

A CEO Drip-Selling Small Lots Into a Turnaround Story — What Outset Medical's Form 4 Pattern Reveals

A CEO Drip-Selling Small Lots Into a Turnaround Story — What Outset Medical's Form 4 Pattern Reveals

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3 min read

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Netflix's CFO Sold $5.5M Under a 10b5-1 Plan — The Most Boring Insider Filing You'll See Today

Netflix's CFO Sold $5.5M Under a 10b5-1 Plan — The Most Boring Insider Filing You'll See Today

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3 min read
A Microchip Director Sold $646K After the Company Raised Guidance — Is That a Red Flag?

A Microchip Director Sold $646K After the Company Raised Guidance — Is That a Red Flag?

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3 min read
Fortinet CTO Exercised and Sold $28M — While Holding 33M+ Shares Through Trusts. Read the Footnotes.

Fortinet CTO Exercised and Sold $28M — While Holding 33M+ Shares Through Trusts. Read the Footnotes.

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3 min read
Zuckerberg Sold $20B+ in Meta Stock — And Still Controls 61% of Voting Power. Both Facts Matter.

Zuckerberg Sold $20B+ in Meta Stock — And Still Controls 61% of Voting Power. Both Facts Matter.

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3 min read
Lisa Su Sold $28.2M in AMD Stock — Through the Same 10b5-1 Plan She's Used for Years

Lisa Su Sold $28.2M in AMD Stock — Through the Same 10b5-1 Plan She's Used for Years

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3 min read
$111.8 Billion Sold in One Stock by One Seller — And It's Not Bearish. Here's the Lilly Endowment Story.

$111.8 Billion Sold in One Stock by One Seller — And It's Not Bearish. Here's the Lilly Endowment Story.

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3 min read
LendingTree's Founder Holds Just 7,500 Shares While the Stock Sits at Multi-Year Lows — That's a Signal

LendingTree's Founder Holds Just 7,500 Shares While the Stock Sits at Multi-Year Lows — That's a Signal

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3 min read
John Hess Sold Chevron Stock After the Merger — But Still Owns 8.58%. Here's the Full Picture.

John Hess Sold Chevron Stock After the Merger — But Still Owns 8.58%. Here's the Full Picture.

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3 min read
Alphabet's Board Chairman Sold $64M in GOOG Stock Over a Decade — The Pattern That Makes It Noise

Alphabet's Board Chairman Sold $64M in GOOG Stock Over a Decade — The Pattern That Makes It Noise

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3 min read
A Fund Chairman Just Bought 25,000 More Shares of His Own Energy Fund — Code P in Action

A Fund Chairman Just Bought 25,000 More Shares of His Own Energy Fund — Code P in Action

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3 min read
Jensen Huang Sold NVIDIA Stock During the Biggest AI Boom in History — Here's Why That's Not Bearish

Jensen Huang Sold NVIDIA Stock During the Biggest AI Boom in History — Here's Why That's Not Bearish

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3 min read
Jamie Dimon Sold $462M in JPM Stock — But Also Bought $66M. That Buy-Sell Ratio Is the Real Signal.

Jamie Dimon Sold $462M in JPM Stock — But Also Bought $66M. That Buy-Sell Ratio Is the Real Signal.

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3 min read
Elliott Just Filed a 13D/A on a Precious Metals Streaming Company — What That Means for TFPM

Elliott Just Filed a 13D/A on a Precious Metals Streaming Company — What That Means for TFPM

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3 min read
Illumina's Founder Sold $114M in Stock — And Then Bought More. Here's Why Both Signals Matter.

Illumina's Founder Sold $114M in Stock — And Then Bought More. Here's Why Both Signals Matter.

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3 min read
ConnectOne Bancorp Insiders 'Sold' Stock in March — It Was Tax Withholding on Vesting Equity

ConnectOne Bancorp Insiders 'Sold' Stock in March — It Was Tax Withholding on Vesting Equity

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2 min read
Larry Fink Sold $30M in BlackRock Stock in Two Days — Context From $848M in Career Sales

Larry Fink Sold $30M in BlackRock Stock in Two Days — Context From $848M in Career Sales

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3 min read
$15.8 Trillion: Vanguard, BlackRock, and State Street Now Own More U.S. Stock Than Most Countries' GDP

$15.8 Trillion: Vanguard, BlackRock, and State Street Now Own More U.S. Stock Than Most Countries' GDP

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3 min read
Marc Benioff Has Sold $11.4B in Salesforce Stock Over His Career — Is That Bearish?

Marc Benioff Has Sold $11.4B in Salesforce Stock Over His Career — Is That Bearish?

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3 min read
AvePoint Executives 'Sold' $278K in Stock — Except They Didn't. It Was Tax Withholding.

AvePoint Executives 'Sold' $278K in Stock — Except They Didn't. It Was Tax Withholding.

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2 min read
Atlassian's Co-Founders Sold $2.5B in Stock Together — Here's What Coordinated Founder Selling Means

Atlassian's Co-Founders Sold $2.5B in Stock Together — Here's What Coordinated Founder Selling Means

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3 min read
3 AMETEK Executives 'Sold' Stock the Same Week — But It Was Just Tax Withholding

3 AMETEK Executives 'Sold' Stock the Same Week — But It Was Just Tax Withholding

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3 min read
CrowdStrike CEO George Kurtz Sold $15M in CRWD Stock — Should You Be Worried?

CrowdStrike CEO George Kurtz Sold $15M in CRWD Stock — Should You Be Worried?

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3 min read
That Hedge Fund's $5B 'NVDA Position' Might Be an Options Hedge — Not a Bullish Bet

That Hedge Fund's $5B 'NVDA Position' Might Be an Options Hedge — Not a Bullish Bet

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3 min read
A Fund Trimmed 30% of a Position — Is That Bearish? It Depends on These 4 Things

A Fund Trimmed 30% of a Position — Is That Bearish? It Depends on These 4 Things

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3 min read
Whale Score Demystified: What It Measures, What It Misses, and How to Actually Use It

Whale Score Demystified: What It Measures, What It Misses, and How to Actually Use It

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2 min read
What Is a 13F Filing? Everything You Need to Know About Tracking What Wall Street Owns

What Is a 13F Filing? Everything You Need to Know About Tracking What Wall Street Owns

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3 min read
What Is a 13D Filing? The SEC Form That Signals an Activist Is Coming

What Is a 13D Filing? The SEC Form That Signals an Activist Is Coming

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3 min read
A Fund With 5,839 Positions and a Fund With 20 Positions Both Filed 13F — Here's What Holdings Count Tells You

A Fund With 5,839 Positions and a Fund With 20 Positions Both Filed 13F — Here's What Holdings Count Tells You

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3 min read
WhaleScore Explained: Why a Market Maker Scores 81 and What That Actually Means

WhaleScore Explained: Why a Market Maker Scores 81 and What That Actually Means

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AUM Explained: What It Means, How It's Calculated, and Why It's Misleading in 13F Filings

AUM Explained: What It Means, How It's Calculated, and Why It's Misleading in 13F Filings

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13F AUM Is Not Total Assets Under Management — Here's What It Actually Measures

13F AUM Is Not Total Assets Under Management — Here's What It Actually Measures

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A Fund Bought More Shares but the Position Weight Dropped — Both Numbers Are Correct

A Fund Bought More Shares but the Position Weight Dropped — Both Numbers Are Correct

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What Form 4 Insider Trading Data Actually Tells You About a Company — The Complete Guide

What Form 4 Insider Trading Data Actually Tells You About a Company — The Complete Guide

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How to Set Up a Smart Money Watchlist That Actually Alerts You to Meaningful 13F Changes

How to Set Up a Smart Money Watchlist That Actually Alerts You to Meaningful 13F Changes

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3 min read
A CEO Just Sold $5M in Stock — Is That Normal for Them? How Insider Profiles Tell You

A CEO Just Sold $5M in Stock — Is That Normal for Them? How Insider Profiles Tell You

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3 min read
That Position Grew 40% — But Did the Fund Actually Buy Anything?

That Position Grew 40% — But Did the Fund Actually Buy Anything?

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Stop Comparing Berkshire to Vanguard — How Filer Groups Make 13F Analysis Actually Useful

Stop Comparing Berkshire to Vanguard — How Filer Groups Make 13F Analysis Actually Useful

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3 min read
How to Use Consensus Holdings to Find What Institutions Are Actually Converging On

How to Use Consensus Holdings to Find What Institutions Are Actually Converging On

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How to Tell If Institutions Are Accumulating or Distributing — The Share Count Method

How to Tell If Institutions Are Accumulating or Distributing — The Share Count Method

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How to Track What Berkshire, Citadel, and Bridgewater Are Buying — A 13F Guide

How to Track What Berkshire, Citadel, and Bridgewater Are Buying — A 13F Guide

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3 Quick Tests to Tell If a 13F Filing Is Passive Plumbing or Active Conviction

3 Quick Tests to Tell If a 13F Filing Is Passive Plumbing or Active Conviction

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Insider Buying Is the Strongest Signal in Public Markets — Here's How to Spot the Real Ones

Insider Buying Is the Strongest Signal in Public Markets — Here's How to Spot the Real Ones

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The Biggest Holder of a Stock Isn't Necessarily the Most Bullish — Here's Why

The Biggest Holder of a Stock Isn't Necessarily the Most Bullish — Here's Why

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Why Some 13F Quarters Are Locked on Data Platforms — And What You Can Still Learn From Them

Why Some 13F Quarters Are Locked on Data Platforms — And What You Can Still Learn From Them

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2 min read
How to Read Form 4 Filings: The Only Insider Trading Signals That Actually Matter

How to Read Form 4 Filings: The Only Insider Trading Signals That Actually Matter

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3 min read
How to Read a Fund's AUM History — And Why a 20% Jump Might Not Mean What You Think

How to Read a Fund's AUM History — And Why a 20% Jump Might Not Mean What You Think

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3 min read
When 50 Funds Own the Same Stock, Is That a Buy Signal or a Crowding Risk?

When 50 Funds Own the Same Stock, Is That a Buy Signal or a Crowding Risk?

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That 13F Amendment Isn't a New Filing — Here's How to Read It Without Getting Confused

That 13F Amendment Isn't a New Filing — Here's How to Read It Without Getting Confused

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A Growing Position Doesn't Always Mean Fresh Buying — Here's How to Tell

A Growing Position Doesn't Always Mean Fresh Buying — Here's How to Tell

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5 Ways Quarter-to-Quarter 13F Comparisons Create False Signals — And How to Avoid Them

5 Ways Quarter-to-Quarter 13F Comparisons Create False Signals — And How to Avoid Them

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3 min read
How to Compare Two 13F Filings Side by Side — The Framework That Actually Works

How to Compare Two 13F Filings Side by Side — The Framework That Actually Works

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How to Build a 13F Watchlist You Can Actually Maintain Every Quarter

How to Build a 13F Watchlist You Can Actually Maintain Every Quarter

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3 min read
An ETF-Heavy 13F Isn't a Stock-Picking Portfolio — Here's How to Tell the Difference

An ETF-Heavy 13F Isn't a Stock-Picking Portfolio — Here's How to Tell the Difference

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3 min read
Zuckerberg Sold $1B in Meta Shares — And Still Controls 61% of Voting Power. Here's the Math.

Zuckerberg Sold $1B in Meta Shares — And Still Controls 61% of Voting Power. Here's the Math.

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2 min read
AUM Isn't Just Size — It Changes How a Fund Can Actually Invest

AUM Isn't Just Size — It Changes How a Fund Can Actually Invest

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3 min read
13D vs 13G: One Signals Activist Intent, the Other Is Just Paperwork

13D vs 13G: One Signals Activist Intent, the Other Is Just Paperwork

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3 min read
Form 4 Shows Zero Shares After a Sale — But the Insider Still Controls Millions. Here's Why.

Form 4 Shows Zero Shares After a Sale — But the Insider Still Controls Millions. Here's Why.

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3 min read
The ETF-to-Stock Ratio in 13F Filings Tells You More About Strategy Than Any Single Holding

The ETF-to-Stock Ratio in 13F Filings Tells You More About Strategy Than Any Single Holding

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3 min read
Consensus Holdings vs Combined Holdings: They Sound Similar but Answer Different Questions

Consensus Holdings vs Combined Holdings: They Sound Similar but Answer Different Questions

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3 min read
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