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.

Walker Karin L: Officer Insider Trades | Insider Trading Screener

Home/Insiders/Walker Karin L

Walker Karin L

Officer

Officer

Total trades

3

Bought (open market)

$0

Sold (open market)

$128K

Tickers traded

1

Recent trades

Most recent Form 4 filings by Walker Karin L.

Walker Karin Lexercised15,000 shares ofPRTAJul 28 · filed Jul 30Details
Walker Karin Ltraded15,000 shares ofPRTAat $8.56$128KJul 28 · filed Jul 30Details
Walker Karin Lgranted150,000 shares ofPRTAat $0Mar 3 · filed Mar 5Details

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

granted

25,000 shares of

PRTA

at $0

Jul 28, 2025 · filed Jul 30, 2025Details