YU JONATHAN YEN-WEN

PrivateCIK: 1951849
Location

WATERTOWN, MA

Senior insider sale

Chief Operating Officer at DISC MEDICINE, INC. — senior position signals high conviction

$2.78M

38.61K shares

What this filing means

YU JONATHAN YEN-WEN plans to sell 38.61K shares of DISC MEDICINE, INC. valued at approximately $2.78M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderYU JONATHAN YEN-WENCIK 1951849
IssuerDISC MEDICINE, INC.CIK 1816736
Officer· Chief Operating Officer
Since Feb 2026
38.61K
Shares to sell
$2.78M
Approx. market value
10K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
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Exercise of Stock Options

Cash

7/7/2026
10K
Total acquired10K
Planned & Completed Dispositions4
Sort

Completed

Completed

Units to sell

300.00

Market value

$21.8K

6/26/2026
Completed

Units to sell

9.70K

Market value

$704.8K

6/22/2026
Completed

Units to sell

18.61K

Market value

$1.29M

6/16/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

10K

Market value

$770.1K

7/7/2026
Total

Units

38.61K

Value

$2.78M