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

Learn

Learn
What is a Form 4?
About & Methodology
What are Cluster Buys?
Top Insider Rankings
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/Brummer Derek

Brummer Derek

Insider

Insider

Total trades

13

Total bought

$182K

Total sold

$3.5M

Tickers traded

1

Recent trades

Most recent Form 4 filings by Brummer Derek.

Brummer Derekexercised11,790 shares ofRDNat $15.44$182KJun 18Details
Brummer Derektax-withheld8,565 shares ofRDNat $29.96$257KJun 18Details
Brummer Dereksold35,000 shares ofRDNat $31.331$1.1MMay 24Details
Brummer Dereksold20,000 shares ofRDNat $31.326

$627K

May 24

Brummer Derekgranted25,550 shares ofRDNMay 24Details

Brummer Derekgranted42,070 shares ofRDNMay 24Details

Brummer Derekexercised10,284 shares ofRDNat $0May 17Details

Brummer Derekexercised11,017 shares ofRDNat $0May 17Details

Brummer Derekexercised10,486 shares ofRDNat $0May 17Details

Brummer Derekexercised4,127 shares ofRDNat $0May 17Details

Brummer Derektax-withheld17,971 shares ofRDNat $0May 17Details

Brummer Derekexercised115,108 shares ofRDNMay 15Details

Brummer Derektax-withheld47,425 shares ofRDNat $31.43$1.5MMay 15Details

Brummer Derek — Insider Insider Trades | Insider Trading Screener