Seres Therapeutics, Inc.
Seres Therapeutics, Inc. (MCRB) is a publicly traded company in the Unknown sector. Across all available filings, 25 corporate insiders have executed 282 transactions totaling $106.3M, demonstrating a bearish sentiment with -$11.3M in net insider flow. The most recent transaction on Nov 15, 2025 involved a transaction of 140 shares valued at $0.
MCRB Insider Activity Summary
Who Is Buying MCRB Stock?
No significant insider buying has been recorded for MCRB in the recent period.
Who Is Selling MCRB Stock?
No significant insider selling has been recorded for MCRB in the recent period.
Is Seres Therapeutics, Inc. Insider Trading Bullish or Bearish?
Based on recent SEC filings, insider sentiment for MCRB is bearish with an Insider Alignment Score of 45/100 and a net flow of -$11.3M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
MCRB Frequently Asked Questions
Understanding MCRB Insider Activity
Insider trading at Seres Therapeutics, Inc. (MCRB) 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 MCRB stock, having executed 282 transactions in the past 90 days. The most active insider is Noubar Afeyan (Executive), who has made 4 transactions totaling $47.5M.
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Track Seres Therapeutics, Inc. Insider Activity
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