General Info
Location: San Francisco, California
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Investment Stages: pre-seed, seed
angel-individual
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🤖 AI Activity Report
Status: very-active
AI Reasoning: I found public information showing Sara Du has an active angel investing page listing investments including Mastra, Artie, Silna Health, Vividly, Juicebox, Flora, Spline, Orchard Robotics and others. Although her investing page did not include exact dates, Crunchbase shows multiple investments and indicates recent activity; additionally her public profiles and announcements show investments within the last six months (most recent disclosed investment activity is within under 6 months). Therefore she is classified as very-active.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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