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Who

Jonathan Yen-Wen Yu

Chief Operating Officer

Company insider

Files Form 4 as: Chief Operating Officer, Disc Medicine.

In numbers

Trades disclosed
66
Buys
0
Sells
10
Bought
$0
Sold
$8.7M
Companies
1
Companies where not an officer
0
First trade
29 Dec 2022
Last trade
25 Aug 2026
Last filed
26 Aug 2026

Companies traded

Where they are an officer
IRON Disc MedicineOfficer · Biotechnology · last 25 Aug 20260 buys · 10 sells

Activity over time

1 Feb 2025 – 1 Oct 2026
30Feb 25Jul 25Dec 25May 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
25 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$119K8,796 at $13.50filing
25 Aug 2026filed 26 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—8,796 at $0.00filing
25 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$731K8,796 at $83.12filing
25 Aug 2026filed 26 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—8,796 at $0.00filing
25 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$119K8,796 at $13.50filing
25 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$731K8,796 at $83.12filing
24 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$4,050300 at $13.50filing
24 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$25K300 at $82.53filing
24 Aug 2026filed 26 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—300 at $0.00filing
24 Aug 2026filed 26 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—300 at $0.00filing
24 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$4,050300 at $13.50filing
24 Aug 2026filed 26 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$25K300 at $82.53filing
12 Aug 2026filed 14 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$11K804 at $13.50filing
12 Aug 2026filed 14 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$66K804 at $82.64filing
12 Aug 2026filed 14 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—804 at $0.00filing
12 Aug 2026filed 14 Aug 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code M—804 at $0.00filing
12 Aug 2026filed 14 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$11K804 at $13.50filing
12 Aug 2026filed 14 Aug 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$66K804 at $82.64filing
7 Jul 2026filed 9 Jul 2026IRON Disc MedicineBiotechnologySEC FORM 4 Code M$1,350100 at $13.50filing
7 Jul 2026filed 9 Jul 2026IRON Disc MedicineBiotechnologySEC FORM 4 Sold$8,250100 at $82.50filing

Sectors

Health Care10

Buys in green, sells in red, by the company’s sector.

Related people

Kevin BittermanDirector · Director at Disc Medicine, filing Form 4 there in the last year
John D. QuiselDirector · Chief Executive Officer at Disc Medicine, filing Form 4 there in the last year
Rahul KharaChief Legal Officer · Chief Legal Officer at Disc Medicine, filing Form 4 there in the last year
Mark ChinDirector · Director at Disc Medicine, filing Form 4 there in the last year
Georges GemayelDirector · Director at Disc Medicine, filing Form 4 there in the last year