Trades Insiders Companies Cluster Buys Rankings About

ITS

InsiderTrading Screener

Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

Browse

Trades
Insiders
Companies
Cluster Buys
Rankings

Top Insiders

Mark Zuckerberg
Elon Musk
Jamie Dimon
Satya Nadella
Lisa Su
Jensen Huang

Screeners

CEO & CFO Purchases
Director Purchases
Top Buys This Week
Top Sales This Week
10b5-1 Trades
Buy/Sell Ratios
Politician Overlap
Sectors

Learn

Learn
What is a Form 4?
About & Methodology
What are Cluster Buys?
Top Insider Rankings
Contact Us
Privacy Policy
Terms of Use

Data

SEC EDGAR Form 4 ↗
CongressStock.com ↗
Track13F.com ↗
About the data

© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Home/Insiders/Greiner Christopher E

Greiner Christopher E

Officer

Officer

Total trades

5

Bought (open market)

$0

Sold (open market)

$1.3M

Tickers traded

1

Recent trades

Most recent Form 4 filings by Greiner Christopher E.

Greiner Christopher Eexercised199,155 shares ofZETAat $0Oct 22 · filed Oct 23Details
Greiner Christopher Etax-withheld26,123 shares ofZETAat $33.52$876KOct 22 · filed Oct 23Details
Greiner Christopher Etraded40,261 shares ofZETAat $33.52$1.3MOct 22 · filed Oct 23Details

Explore insider screeners

Latest CEO & CFO Purchases Latest CEO & CFO Sales Director Purchases Officer Purchases Top Purchases This Week Top Sales This Week Top Officer Buys (Month)10% Owner Filings 10b5-1 Planned Trades Discretionary Trades Buy/Sell Ratios Politician-Insider Overlap

Greiner Christopher Eexercised112,882 shares ofZETAat $0Oct 22 · filed Oct 23Details

Greiner Christopher Eexercised33,092 shares ofZETAat $0Oct 22 · filed Oct 23Details

Greiner Christopher Eexercised53,181 shares ofZETAat $0Oct 22 · filed Oct 23Details

Greiner Christopher Egifted633,060 shares ofZETAat $0May 20 · filed May 22Details

Greiner Christopher Egifted515,627 shares ofZETAat $0Dec 5, 2025Details