Wednesday, October 28, 2026
Data from SEC filings, checked daily
Public filings, plainly told
AboutMethodSourcesNewsletter
Insider tradingForm 4

Disc Medicine, Inc. (IRON) Insider Trading

12 open-market trades reported since Aug 14, 2026: 0 purchases worth $0 and 12 sales worth $13.2M.

By insider

InsiderRoleBuysBoughtSellsSoldLatest
Kevin BittermanDirector0$08$9.76MOct 21, 2026
Jonathan Yen-Wen YuCOO0$03$822KAug 26, 2026
John D. QuiselCEO0$01$2.61MAug 18, 2026

All trades

IRON insider trades
FiledTradedInsiderRoleTypeSharesPrice ($)ValueHolding3 mo. afterFiling
Oct 21Oct 21Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-125,51980.23$2.05M−66%Form 4 ↗
Oct 21Oct 19Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-110,99479.97$879K−45%Form 4 ↗
Oct 21Oct 20Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-15,31279.95$425K−29%Form 4 ↗
Sep 15Sep 11Kevin BittermanDirectorDirector▼ SELL27,13670.11$1.90MAll soldForm 4 ↗
Sep 9Sep 4Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-11,68979.96$135K−11%Form 4 ↗
Sep 3Sep 2Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-149,16480.17$3.94M−79%Form 4 ↗
Sep 3Sep 3Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-15,20379.98$416K−1.6%Form 4 ↗
Sep 3Sep 1Kevin BittermanDirectorDirector (ind.)▼ SELL10b5-112979.95$10K−0.9%Form 4 ↗
Aug 26Aug 25Jonathan Yen-Wen YuCOOCOO▼ SELL10b5-18,79683.12$731K−14%Form 4 ↗
Aug 26Aug 24Jonathan Yen-Wen YuCOOCOO▼ SELL10b5-130082.53$25K−0.5%Form 4 ↗
Aug 18Aug 17John D. QuiselCEOCEO▼ SELL10b5-133,00079.15$2.61M−13%Form 4 ↗
Aug 14Aug 12Jonathan Yen-Wen YuCOOCOO▼ SELL10b5-180482.64$66K−1.5%Form 4 ↗
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings