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Disc Medicine, Inc.

IRON
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001816736

In the last 90 days, Disc Medicine, Inc. insiders filed 0 open-market purchases and 9 sales; 216 institutions reported holding it in 13F filings for Q2 2026, worth $3.13B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Disc Medicine, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
9 filings
4 insiders, $12.7M in total
Insiders trading
4
Net value
−$12.7M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Disc Medicine, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Disc Medicine, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Quisel John DChief Executive Officer262,064Sep 16, 20268
Bitterman KevinDirector0Sep 15, 20268
Yu Jonathan Yen-WenChief Operating Officer54,324Aug 26, 20269
Khara RahulChief Legal Officer52,324Aug 7, 20267
Gemayel GeorgesDirector–Jun 23, 20261
Ratcliffe LiamDirector–Jun 23, 20261
Ahmed NadimDirector–Jun 23, 20261
Chin MarkDirector–Jun 23, 20261
White William RichardDirector0Jun 23, 20261
Nicholson Donald WilliamDirector–Jun 23, 20261
Franchi Jean M.Chief Financial Officer64,333Apr 15, 20264
Savage William JacobChief Medical Officer79,480Apr 15, 20266
Stephenson PamelaChief Commercial Officer80,998Feb 17, 20262
Blavatnik Len10% Owner2,814,379Oct 24, 20251
Access Industries Holdings LLC10% Owner2,814,379Oct 24, 20251
Access Industries Management, LLC10% Owner2,814,379Oct 24, 20251
AI Dmi LLC10% Owner2,814,379Oct 24, 20251
Ashiya MonaDirector186,541IndirectJun 13, 20250
OrbiMed Advisors LLCDirector186,541IndirectMar 26, 20250
OrbiMed Capital GP VI LLCDirector186,541IndirectMar 26, 20250
OrbiMed Genesis GP LLCDirector186,541IndirectMar 26, 20250
OrbiMed Capital GP VIII LLCDirector186,541IndirectMar 26, 20250
Bryce JoanneChief Financial Officer23,665Mar 1, 20240
Atlas Venture Fund X, L.P.10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates X, LLC10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates X, L.P.10% Owner198,326IndirectJan 25, 20240
Atlas Venture Opportunity Fund I, L.P.10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates Opportunity I, L.P.10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates Opportunity I, LLC10% Owner198,326IndirectJan 25, 20240
Atlas Venture Opportunity Fund II, L.P.10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates Opportunity II, LLC10% Owner198,326IndirectJan 25, 20240
Atlas Venture Associates Opportunity II, LP10% Owner198,326IndirectJan 25, 20240
MacDonald Brian RichardChief Innovation Officer12,276Jun 30, 20230
Novo Holdings A/S10% Owner1,090,772Jun 28, 20230
Backstrom Jay T.Director–Jan 3, 20230
Leonard Braden Michael10% Owner247,500Oct 27, 20220
Piekos BrianCFO17,615Jun 2, 20220
Lubner David CharlesDirector–Mar 9, 20220
Ong TuyenDirector–Mar 9, 20220
Meyenburg Jason PatrickChief Executive Officer–Jan 5, 20220
Gordon Carl LDirector, 10% Owner–Oct 6, 20210
Rhodes Jason PDirector, 10% Owner–Oct 6, 20210
Tananbaum James B.Director, 10% Owner–Oct 6, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Feb 17, 2026 (view filing)Feb 17Same dayQuisel John DChief Executive OfficerSSale−13.3K$62.86−$833.8K−5.5%226.1K after
Feb 17, 2026 (view filing)Feb 17Same dayYu Jonathan Yen-WenChief Operating OfficerSSale−3.23K$62.86−$203.1K−5.6%54.3K after
Feb 17, 2026 (view filing)Feb 17Same daySavage William JacobChief Medical OfficerSSale−3.26K$62.86−$204.7K−3.4%92.6K after
Feb 17, 2026 (view filing)Feb 17Same dayStephenson PamelaChief Commercial OfficerSSale−5.53K$62.86−$347.7K−6.4%81.0K after
Feb 17, 2026 (view filing)Feb 17Same dayKhara RahulChief Legal OfficerSSale−2.85K$62.86−$179.3K−5.2%52.2K after
Feb 19, 2026 (view filing)Feb 17-182 daysFranchi Jean M.Chief Financial OfficerSSale−11.2K$64.52−$719.7K−13.5%71.3K after3 lots10b5-1
Feb 27, 2026 (view filing)Feb 252 daysFranchi Jean M.Chief Financial OfficerSSale−353$69.06−$24.4K−0.5%71.0K after10b5-1
Mar 4, 2026 (view filing)Mar 22 daysSavage William JacobChief Medical OfficerSSale−7.38K$65.88−$486.1K−8.0%85.2K after2 lots10b5-1
Apr 15, 2026 (view filing)Apr 13-142 daysFranchi Jean M.Chief Financial OfficerSSale−6.66K$69.23−$460.8K−9.4%64.3K after2 lots10b5-1
Apr 15, 2026 (view filing)Apr 132 daysSavage William JacobChief Medical OfficerSSale−5.73K$66.38−$380.5K−6.7%79.5K after2 lots10b5-1
Jun 18, 2026 (view filing)Jun 162 daysYu Jonathan Yen-WenChief Operating OfficerSSale−18.6K$69.19−$1.29M−25.5%54.3K after2 lots10b5-1
Jun 23, 2026 (view filing)Jun 185 daysQuisel John DChief Executive OfficerSSale−34.0K$70.22−$2.39M−13.1%226.1K after3 lots10b5-1
Jun 23, 2026 (view filing)Jun 185 daysKhara RahulChief Legal OfficerSSale−7.50K$70.22−$526.7K−12.6%52.2K after3 lots10b5-1
Jun 24, 2026 (view filing)Jun 222 daysYu Jonathan Yen-WenChief Operating OfficerSSale−9.70K$72.66−$704.8K−15.2%54.3K after10b5-1
Jun 30, 2026 (view filing)Jun 264 daysYu Jonathan Yen-WenChief Operating OfficerSSale−300$72.50−$21.8K−0.5%54.3K after10b5-1
Jun 30, 2026 (view filing)Jun 26-294 daysKhara RahulChief Legal OfficerSSale−2.50K$75.00−$187.5K−4.6%52.2K after2 lots10b5-1
Jul 9, 2026 (view filing)7:35 PM ETJul 72 daysYu Jonathan Yen-WenChief Operating OfficerSSale−100$82.50−$8.25K−0.2%54.3K after10b5-1
Jul 14, 2026 (view filing)6:32 PM ETJul 131 dayQuisel John DChief Executive OfficerSSale−33.0K$74.96−$2.47M−12.7%226.1K after3 lots10b5-1
Aug 7, 2026 (view filing)5:32 PM ETAug 61 dayKhara RahulChief Legal OfficerSSale−5.00K$80.00−$400.0K−8.7%52.3K after10b5-1
Aug 14, 2026 (view filing)7:14 PM ETAug 122 daysYu Jonathan Yen-WenChief Operating OfficerSSale−804$82.64−$66.4K−1.5%54.3K after10b5-1
Aug 18, 2026 (view filing)6:56 PM ETAug 171 dayQuisel John DChief Executive OfficerSSale−33.0K$79.15−$2.61M−12.7%226.1K after3 lots10b5-1
Aug 26, 2026 (view filing)8:10 PM ETAug 24-252 daysYu Jonathan Yen-WenChief Operating OfficerSSale−9.10K$83.10−$755.9K−14.3%54.3K after2 lots10b5-1
Sep 3, 2026 (view filing)5:43 PM ETSep 1-32 daysBitterman KevinDirectorSSale−54.5K$80.15−$4.37M−80.2%13.4K after12 lots10b5-1
Sep 9, 2026 (view filing)4:23 PM ETSep 45 daysBitterman KevinDirectorSSale−1.69K$79.96−$135.1K−11.2%13.4K after3 lots10b5-1
Sep 15, 2026 (view filing)4:30 PM ETSep 114 daysBitterman KevinDirectorSSale−27.1K$70.11−$1.90M−100.0%0 after