YI
YI
Company information not available. Track real-time insider trading activity, SEC Form 4 filings, and executive stock transactions.
Insider Buys
0
$0
Insider Sales
1
$38K
Total Volume
$38K
1 transactions
Net Activity
$38K
Net selling
Sentiment Rating
Moderate DistributionCEO Conviction Index
No Recent Signal
Key Drivers
- •Heavy distribution: sales represent 100% of total transaction value.
Score Methodology
The Insider Confidence Score (1-100) measures executive conviction. Starting from a neutral 50, it adjusts based on:
- +15Strong Buy Ratio: Purchases > 70% of volume (or up to -15 for heavy sales).
- +20Cluster Buying: ≥3 unique insiders buying within a 30-day window.
- +15CEO Buying: CEO committing own capital shows high conviction.
- +10CFO Buying: CFO purchasing shares shows financial alignment.
YI has an insider buy conviction of 0%, compared to the Unknown sector buy average of 50%.
Chen Yang Luke
Dir
$38K total
Over the last 90 days, corporate insiders at YI (YI) engaged in a total of 1 transactions reported via SEC Form 4 filings. Among these, 0 were open-market purchases and 1 were sales. The total volume of insider trading reached $38K.
The net insider activity for YI shows a net selling bias of $38K. This activity represents a 0% buy ratio, suggesting that insiders are currently bearish on the company's near-term outlook relative to recent history.
The most notable individual transaction was a Sale by Chen Yang Luke (Dir), who traded 180.9K shares valued at $38K on May 26, 2026.
Quick Actions
Related News & Analyst Reports
Read original insights and educational research covering YI and the Unknown sector.
The Biotech Executive Playbook: Tracking Clinical Phase SEC Filings
An empirical study on how clinical-stage biotech executives execute Form 4 open-market purchases ahead of trial data releases, outlining the regulatory gaps and alpha potential of clinical insider tracking.
The Quant Guide: Backtesting SEC Form 4 Cluster Buys for Alpha
A rigorous quantitative backtest of SEC Form 4 cluster buying activity, demonstrating how to isolate signal from noise and build portfolios that consistently outperform benchmarks.
a16z Capital Distributions vs. Open-Market Insider Buying: A 2026 Study
A 2026 empirical study comparing Andreessen Horowitz's in-kind share distributions to LPs against open-market insider purchases, revealing which signal better predicts 12-month price performance.
The Impact of Interest Rates on Insider Behavior: A Macro Analysis
When the Fed tightens, equity valuations fall, but insider purchase activity does not always follow the same pattern. This report examines three rate-hike cycles to show how rising rates affect the frequency and conviction of C-suite stock buys.
The Y Combinator Spinoff Trade: Spotting Alpha in Post-Demo Day IPOs
Y Combinator alumni companies show distinctive insider liquidity patterns after IPO. This report maps Form 4 activity at YC-backed public companies to identify when founder and early-investor selling subsides and conviction buying begins.
Y Combinator Alum Stock Performance Post-IPO: The SEC Form 4 Perspective
A systematic review of SEC Form 4 activity at YC alumni companies post-IPO, tracking when founders shift from selling to buying, how early investor lock-up expiration affects price, and which YC cohort vintages show the strongest insider conviction signals.
FAQs About YI Insider Trading
Answers to common questions regarding corporate filings and executive sentiment for YI.