PROLUNG INC
PROLUNG INC (LUNG) is a publicly traded company in the Unknown sector. Across all available filings, 18 corporate insiders have executed 319 transactions totaling $200.4M, demonstrating a bearish sentiment with -$196.6M in net insider flow. The most recent transaction on Dec 8, 2025 involved a sale of 23,321 shares valued at $46.4K.
LUNG Insider Activity Summary
Who Is Buying LUNG Stock?
No significant insider buying has been recorded for LUNG in the recent period.
Who Is Selling LUNG Stock?
No significant insider selling has been recorded for LUNG in the recent period.
Is PROLUNG INC Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for LUNG is bearish with an Insider Alignment Score of 1/100 and a net flow of -$196.6M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
LUNG Frequently Asked Questions
Understanding LUNG Insider Activity
Insider trading at PROLUNG INC (LUNG) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 18 insiders are actively trading LUNG stock, having executed 319 transactions in the past 90 days. The most active insider is Scientific Corp Boston (Executive), who has made 10 transactions totaling $177.0M.
Related Tools
Track PROLUNG INC Insider Activity
Get notified when executives and directors at LUNG file new Form 4 transactions