SEC Insider Transactions from Chen Po Yu (Jeff).

Last updated: 2026-03-14 09:58 UTC | Total transactions: 6

Chen Po Yu (Jeff) has filed 6 insider transactions across 1 company since February 2024.

Most recent transaction: a transaction of 39259 shares of Alto Neuroscience, Inc. ($ANRO) on February 06, 2024.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found C Common Stock 39259 $0.00 39,259.0000 0 9999.99% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found C Common Stock 8450 $0.00 47,709.0000 0 21.52% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found C Series B Preferred Stock 83333 $0.00 0.0000 0 100.00% 0.00%
Feb. 6, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found C Series C Preferred Stock 18794 $0.00 0.0000 0 100.00% 0.00%
Feb. 1, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found A Stock Option (right to buy) 30574 $0.00 30,574.0000 0 9999.99% 0.00%
Feb. 1, 2024 Alto Neuroscience, Inc. $ANRO Chen Po Yu (Jeff) Not found A Stock Option (right to buy) 1540 $11.88 1,540.0000 0 9999.99% 0.00%