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Who

Andrew Dreyfus

Director

Company insider

Files Form 4 as: Director, Alto Neuroscience; Director, Ironwood Pharmaceuticals.

In numbers

Trades disclosed
26
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
2
Companies where not an officer
2
First trade
6 Apr 2016
Last trade
12 May 2026
Last filed
14 May 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
ANRO Alto NeuroscienceDirector · Biotechnology · last 12 May 20260 buys · 0 sells
IRWD Ironwood PharmaceuticalsDirector · Pharmaceuticals · last 10 Jun 20250 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
12 May 2026filed 14 May 2026ANRO Alto Neuroscienceoption or derivative · BiotechnologySEC FORM 4 Code A—10,958 at $0.00filing
12 May 2026filed 14 May 2026ANRO Alto Neuroscienceoption or derivative · BiotechnologySEC FORM 4 Code A—10,958 at $0.00filing
10 Jun 2025filed 12 Jun 2025IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—45,000 at $0.00filing
13 May 2025filed 15 May 2025ANRO Alto Neuroscienceoption or derivative · BiotechnologySEC FORM 4 Code A—15,287 at $0.00filing
18 Jun 2024filed 21 Jun 2024IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—24,311 at $0.00filing
1 Feb 2024filed 5 Feb 2024ANRO Alto Neuroscienceoption or derivative · BiotechnologySEC FORM 4 Code A—30,574 at $0.00filing
20 Jun 2023filed 22 Jun 2023IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—22,350 at $0.00filing
1 Jun 2022filed 3 Jun 2022IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—21,571 at $0.00filing
15 Dec 2021filed 17 Dec 2021IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,431 at $0.00filing
15 Sep 2021filed 17 Sep 2021IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,344 at $0.00filing
15 Jun 2021filed 16 Jun 2021IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,453 at $0.00filing
2 Jun 2021filed 4 Jun 2021IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—22,766 at $0.00filing
15 Mar 2021filed 17 Mar 2021IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,460 at $0.00filing
15 Dec 2020filed 17 Dec 2020IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,357 at $0.00filing
15 Sep 2020filed 17 Sep 2020IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,600 at $0.00filing
15 Jun 2020filed 16 Jun 2020IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,745 at $0.00filing
3 Jun 2020filed 5 Jun 2020IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—21,720 at $0.00filing
13 Mar 2020filed 17 Mar 2020IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,596 at $0.00filing
13 Dec 2019filed 17 Dec 2019IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,270 at $0.00filing
13 Sep 2019filed 16 Sep 2019IRWD Ironwood PharmaceuticalsPharmaceuticalsSEC FORM 4 Code A—1,692 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

No trade we could place in a sector.

Related people

Nicholas Conrad SmithPresident and CFO · President and CFO at Alto Neuroscience, filing Form 4 there in the last year
Andrew Craig MillerDirector · Director at Alto Neuroscience, filing Form 4 there in the last year
Amit EtkinPresident and CEO · President and CEO at Alto Neuroscience, filing Form 4 there in the last year
Gwill YorkDirector · Director at Alto Neuroscience, filing Form 4 there in the last year
Husseini ManjiDirector · Director at Alto Neuroscience, filing Form 4 there in the last year