Dreyfus Andrew

Director at Alto Neuroscience, Inc. · on record since May 14, 2026
Director at IRONWOOD PHARMACEUTICALS INC · on record since Apr 7, 2016

Insider trading activity of Dreyfus Andrew

Transactions on record: 25; since Apr 7, 2016

Open-market buys: 0

Open-market sells: 0

Companies traded: 2; last filing May 14, 2026

Figures computed from official regulatory filings — methodology.

Companies where Dreyfus Andrew has traded

Alto Neuroscience, Inc.3 tx · May 14, 2026
IRONWOOD PHARMACEUTICALS INC22 tx · Jun 12, 2025

Track record of Dreyfus Andrew

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Dreyfus Andrew

Co-insiders of Dreyfus Andrew

ALKEON CAPITAL MANAGEMENT LLCAlto Neuroscience, Inc.
Alpha Wave Ventures GP, LtdAlto Neuroscience, Inc.
Angermayer ChristianAlto Neuroscience, Inc.
Apeiron Investment Group Ltd.Alto Neuroscience, Inc.
Apeiron Presight Capital Fund II, L.P.Alto Neuroscience, Inc.
Chen Po Yu (Jeff)Alto Neuroscience, Inc.
Chimera Investment LLCAlto Neuroscience, Inc.

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Value · USD	Src
Alto Neuroscience, Inc.	May 14, 2026	AwardD	10,958	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 12, 2025	Award	45,000	$0	SEC
Alto Neuroscience, Inc.	May 15, 2025	AwardD	15,287	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 21, 2024	Award	24,311	$0	SEC
Alto Neuroscience, Inc.	Feb 5, 2024	AwardD	30,574	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 22, 2023	Award	22,350	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 3, 2022	Award	21,571	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2021	Award	1,431	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 17, 2021	Award	1,344	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 16, 2021	Award	1,453	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 4, 2021	Award	22,766	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Mar 17, 2021	Award	1,460	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2020	Award	1,357	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 17, 2020	Award	1,600	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 16, 2020	Award	1,745	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 5, 2020	Award	21,720	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Mar 17, 2020	Award	1,596	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2019	Award	1,270	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 16, 2019	Award	1,692	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 18, 2019	Award	1,567	$0	SEC
IRONWOOD PHARMACEUTICALS INC	May 31, 2019	Award	22,706	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 4, 2018	Award	16,223	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 2, 2017	Award	15,625	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 3, 2016	Award	23,674	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Apr 7, 2016	Award	2,585	$0	SEC

Company	Filed	Type	Qty	Value · USD	Src
Alto Neuroscience, Inc.	May 14, 2026	AwardD	10,958	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 12, 2025	Award	45,000	$0	SEC
Alto Neuroscience, Inc.	May 15, 2025	AwardD	15,287	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 21, 2024	Award	24,311	$0	SEC
Alto Neuroscience, Inc.	Feb 5, 2024	AwardD	30,574	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 22, 2023	Award	22,350	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 3, 2022	Award	21,571	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2021	Award	1,431	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 17, 2021	Award	1,344	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 16, 2021	Award	1,453	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 4, 2021	Award	22,766	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Mar 17, 2021	Award	1,460	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2020	Award	1,357	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 17, 2020	Award	1,600	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 16, 2020	Award	1,745	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 5, 2020	Award	21,720	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Mar 17, 2020	Award	1,596	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Dec 17, 2019	Award	1,270	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Sep 16, 2019	Award	1,692	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 18, 2019	Award	1,567	$0	SEC
IRONWOOD PHARMACEUTICALS INC	May 31, 2019	Award	22,706	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 4, 2018	Award	16,223	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 2, 2017	Award	15,625	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Jun 3, 2016	Award	23,674	$0	SEC
IRONWOOD PHARMACEUTICALS INC	Apr 7, 2016	Award	2,585	$0	SEC