Form 4 Tracker
Disc Medicine, Inc.
IRON

34 insider filings · Latest: Aug 12, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Aug 12, 2026Aug 14 11:14 PMJonathan Yen-Wen YuChief Operating Officer
Sale
804$82.64$66.4K54,324(D)

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Aug 6, 2026Aug 7 9:32 PMRahul KharaChief Legal Officer
Sale
5,000$80.00$400.0K52,324(D)

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Aug 6, 2026Aug 6 8:27 PMRAHUL KHARA
Proposed Sale
5,000$78.91$394.6K

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Jul 13, 2026Jul 14 10:32 PMJohn D QuiselDirector, Chief Executive Officer
Sale
33,000$74.96$2.5M226,064(D)

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Jul 13, 2026Jul 13 8:34 PMJOHN QUISEL
Proposed Sale
33,000$76.59$2.5M

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Jul 7, 2026Jul 9 11:35 PMJonathan Yen-Wen YuChief Operating Officer
Sale
100$82.50$8.3K54,324(D)

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Jul 7, 2026Jul 7 8:32 PMJONATHAN YU
Proposed Sale
10,000$77.01$770.1K

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Jun 29, 2026Jun 30 9:49 PMRahul KharaChief Legal Officer
Sale
1,649$75.00$123.7K52,173(D)

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Jun 26, 2026Jun 30 9:49 PMRahul KharaChief Legal Officer
Sale
851$75.00$63.8K52,173(D)

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Jun 26, 2026Jun 30 9:45 PMJonathan Yen-Wen YuChief Operating Officer
Sale
300$72.50$21.8K54,324(D)

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Jun 26, 2026Jun 26 8:32 PMRAHUL KHARA
Proposed Sale
2,500$70.16$175.4K

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Jun 22, 2026Jun 25 12:34 AMJonathan Yen-Wen YuChief Operating Officer
Sale
9,700$72.66$704.8K54,324(D)

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Jun 18, 2026Jun 23 9:21 PMRahul KharaChief Legal Officer
Sale
7,500$70.22$526.7K52,173(D)

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Jun 18, 2026Jun 23 9:16 PMJohn D QuiselDirector, Chief Executive Officer
Sale
34,000$70.21$2.4M226,064(D)

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Jun 22, 2026Jun 22 8:47 PMJONATHAN YU
Proposed Sale
10,000$70.79$707.9K

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Jun 16, 2026Jun 18 8:43 PMJonathan Yen-Wen YuChief Operating Officer
Sale
18,612$69.19$1.3M54,324(D)

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Jun 18, 2026Jun 18 8:27 PMJOHN QUISEL
Proposed Sale
34,000$70.21$2.4M

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Jun 18, 2026Jun 18 8:27 PMRAHUL KHARA
Proposed Sale
7,500$70.21$526.6K

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Jun 16, 2026Jun 16 8:40 PMJONATHAN YU
Proposed Sale
18,612$70.09$1.3M

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Apr 13, 2026Apr 15 9:05 PMWilliam Jacob SavageChief Medical Officer
Sale
5,731$66.38$380.4K79,480(D)

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Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Aug 12, 2026Aug 14 11:14 PMJonathan Yen-Wen YuChief Operating Officer
Option Exercise
804$13.5022,943(D)

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Aug 6, 2026Aug 7 9:32 PMRahul KharaChief Legal Officer
Option Exercise
5,000$14.6949,804(D)

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Jul 13, 2026Jul 14 10:32 PMJohn D QuiselDirector, Chief Executive Officer
Option Exercise
33,000$13.50124,586(D)

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Jul 7, 2026Jul 9 11:35 PMJonathan Yen-Wen YuChief Operating Officer
Option Exercise
100$13.5023,747(D)

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Jun 29, 2026Jun 30 9:49 PMRahul KharaChief Legal Officer
Option Exercise
1,649$14.6954,804(D)

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Jun 26, 2026Jun 30 9:49 PMRahul KharaChief Legal Officer
Option Exercise
851$14.6956,453(D)

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Jun 26, 2026Jun 30 9:45 PMJonathan Yen-Wen YuChief Operating Officer
Option Exercise
300$13.5023,847(D)

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Jun 22, 2026Jun 25 12:34 AMJonathan Yen-Wen YuChief Operating Officer
Option Exercise
9,700$13.5024,147(D)

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Jun 18, 2026Jun 23 9:21 PMRahul KharaChief Legal Officer
Option Exercise
7,500$14.6957,304(D)

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Jun 18, 2026Jun 23 9:16 PMJohn D QuiselDirector, Chief Executive Officer
Option Exercise
34,000$9.8641,375(D)

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Jun 18, 2026Jun 23 9:04 PMWilliam Richard WhiteDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 9:01 PMLiam RatcliffeDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 9:00 PMDonald William NicholsonDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 8:59 PMGeorges GemayelDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 8:58 PMMark ChinDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 8:56 PMKevin BittermanDirector
Grant/Award
6,212$70.796,212(D)

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Jun 18, 2026Jun 23 8:54 PMNadim AhmedDirector
Grant/Award
5,176$70.795,176(D)

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Jun 16, 2026Jun 18 8:43 PMJonathan Yen-Wen YuChief Operating Officer
Option Exercise
18,612$9.8631,951(D)

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Feb 10, 2026Feb 12 12:50 AMRahul KharaChief Legal Officer
Grant/Award
25,500$74.7525,500(D)

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Feb 10, 2026Feb 12 12:46 AMPamela StephensonChief Commercial Officer
Grant/Award
25,500$74.7525,500(D)

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