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Why it matters

This signal is anchored to the Form 4 disclosure date from Dataroma insider data.

Evidence

MARSHALL RICHARD PETER insider Form 4 disclosure for SER
Filed 2026-05-22 16:59:00+00 · Period end 2026-05-22 · https://www.sec.gov/Archives/edgar/data/2016188/000201618826000002/xslF345X03/wk-form4_1779483581.xml:2016188:SER:2026-05-19:Purchase:12183:20102:D

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MARSHALL RICHARD PETER disclosed purchase in Serina Therapeutics Inc | TradingNote AI