Brian Richard MacDonald

IRON

Brian Richard MacDonald serves as Chief Innovation Officer at Disc Medicine, Inc. (IRON). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

1 trades

$711.1K

Net Position

Net Seller

$711.1K

Companies Traded

IRON

Active Period

Jun 2023

1 total trades

Most Recent

Sell IRON

Jun 30, 2023 · $711.1K

Brian Richard MacDonald's Insider Trading at Disc Medicine, Inc. (IRON)

Buys

0 · $0.00

Sells

1 · $711.1K

Total Shares Bought

Total Shares Sold

15,124

IRON Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Jun 30, 2023	Sell	15,124	$47.02	$711.1K	25,153

Related Insiders

William Jacob Savage

officer: Chief Medical Officer

IRONSell · Mar 4, 2026

Jean M. Franchi

officer: Chief Financial Officer

IRONSell · Feb 27, 2026

Jonathan Yen-Wen Yu

Chief Operating Officer

IRONSell · Feb 17, 2026

Rahul Khara

officer: Chief Legal Officer

IRONSell · Feb 17, 2026

John D Quisel

Chief Executive Officer

IRONSell · Feb 17, 2026

Pamela Stephenson

Chief Commercial Officer

IRONSell · Feb 17, 2026

Kevin Bitterman

Director

IRONSell · Dec 18, 2025

AI DMI LLC

IRONSell · Oct 24, 2025

Explore More Insider Trading Data

IRON Insider Trading Activity

View all insider trades at Disc Medicine, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity