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Insider filing · IRON

John D Quisel sold $3.7M of Disc Medicine (IRON)

Executed Dec 11 2025, disclosed Dec 15 2025, 4 days later.

Value, as filed
$3.7M
40,000 sh across 4 lots
Executed
Dec 11 2025
the trade date, as filed
Disclosed
Dec 15 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only

Returns are measured on stock purchases only.

The filer
JQ John D Quisel Chief Executive Officer profile →

John D Quisel (Chief Executive Officer) filed 5 Form 4 reports in the trailing twelve months (0 purchases, 5 sales), most often in Disc Medicine, Inc. (IRON). The largest single filing was $3.7M of IRON (40,000 sh across 4 lots, as filed), executed Dec 11 2025.

The name
IRON Disc Medicine, Inc. IRON · Healthcare · 58 filings in 24 months ticker →

Healthcare · Disc Medicine, Inc., together with its subsidiaries, a clinical-stage biopharmaceutical company, engages in the discovery, development, and…

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by John D Quisel in IRON
IRONSALE Disc Medicine, Inc. $2.6M
33,000 sh across 3 lots
Exec Aug 17
Filed Aug 18 · 6:56 PM ET IRONSALE Disc Medicine, Inc. $2.5M
33,000 sh across 3 lots
Exec Jul 13
Filed Jul 14 · 6:32 PM ET IRONSALE Disc Medicine, Inc. $2.4M
34,000 sh across 3 lots
Exec Jun 18
Filed Jun 23 · 5:30 PM ET IRONSALE Disc Medicine, Inc. $834K
13,264 sh × $62.86
Exec Feb 17
Filed Feb 17 · 5:30 PM ET IRONSALE Disc Medicine, Inc. $1.9M
34,800 sh across 2 lots
Exec Jul 9 2025
Filed Jul 11 2025 · 5:30 PM ET IRONSALE Disc Medicine, Inc. $286K
5,200 sh × $55.09
Exec Jul 3 2025
Filed Jul 8 2025 · 5:30 PM ET IRONSALE Disc Medicine, Inc. $304K
5,574 sh × $54.58
Exec Feb 18 2025
Filed Feb 20 2025 · 5:30 PM ET IRONSALE Disc Medicine, Inc. $806K
13,012 sh across 2 lots
Exec Dec 30 2024
Filed Jan 2 2025 · 5:30 PM ET