SUTRO BIOPHARMA INC
SUTRO BIOPHARMA INC (STRO) is a publicly traded company in the Unknown sector. Across all available filings, 25 corporate insiders have executed 298 transactions totaling $25.7M, demonstrating a bearish sentiment with -$4.2M in net insider flow. The most recent transaction on Dec 12, 2025 involved a transaction of 2,500 shares valued at $0.
STRO Insider Activity Summary
Who Is Buying STRO Stock?
No significant insider buying has been recorded for STRO in the recent period.
Who Is Selling STRO Stock?
No significant insider selling has been recorded for STRO in the recent period.
Is SUTRO BIOPHARMA INC Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for STRO is bearish with an Insider Alignment Score of 42/100 and a net flow of -$4.2M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
STRO Frequently Asked Questions
Understanding STRO Insider Activity
Insider trading at SUTRO BIOPHARMA INC (STRO) 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, 25 insiders are actively trading STRO stock, having executed 298 transactions in the past 90 days. The most active insider is John Gordon Freund (Executive), who has made 10 transactions totaling $14.2M.
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Track SUTRO BIOPHARMA INC Insider Activity
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