Form 4 Tracker
Disc Medicine, Inc.
IRON

40 insider filings · Latest: Sep 15, 2026

Common Stock Transactions
Txn DateAcceptedInsiderTypeSharesAvg PriceValueShares OwnedFiling
Dec 15, 2025Dec 15 11:56 PMAtlas Venture Opportunity Fund II, L.P.
Proposed Sale
8,851$92.00$814.3K—

View →

Dec 15, 2025Dec 15 11:56 PMAtlas Venture Opportunity Fund I, L.P.
Proposed Sale
17,433$92.00$1.6M—

View →

Dec 15, 2025Dec 15 11:50 PMAtlas Venture Fund X, L.P.
Proposed Sale
36,877$92.00$3.4M—

View →

Dec 15, 2025Dec 15 11:44 PMAtlas Venture Associates XII, L.P.
Proposed Sale
6,839$92.00$629.2K—

View →

Dec 15, 2025Dec 15 10:45 PMKEVIN J BITTERMAN
Proposed Sale
7,000$91.87$643.1K—

View →

Dec 15, 2025Dec 15 10:40 PMAtlas Venture Opportunity Fund II, LP
Proposed Sale
8,009$91.85$735.6K—

View →

Dec 15, 2025Dec 15 10:37 PMAtlas Venture Fund XII, LP
Proposed Sale
6,160$91.85$565.8K—

View →

Dec 15, 2025Dec 15 10:35 PMAtlas Venture Opportunity Fund I, LP
Proposed Sale
15,401$91.85$1.4M—

View →

Dec 15, 2025Dec 15 10:34 PMAtlas Venture Fund X, LP
Proposed Sale
32,035$91.85$2.9M—

View →

Dec 15, 2025Dec 15 9:14 PMWILLIAM SAVAGE
Proposed Sale
13,093$91.85$1.2M—

View →

Dec 12, 2025Dec 13 2:50 AMAI DMI LLC
Proposed Sale
29,388$91.85$2.7M—

View →

Dec 12, 2025Dec 12 10:15 PMAtlas Venture Fund XII, LP
Proposed Sale
9,481$93.60$887.4K—

View →

Dec 12, 2025Dec 12 10:13 PMAtlas Venture Opportunity Fund II, LP
Proposed Sale
12,325$93.60$1.2M—

View →

Dec 12, 2025Dec 12 10:11 PMAtlas Venture Opportunity Fund I, LP
Proposed Sale
23,701$93.60$2.2M—

View →

Dec 12, 2025Dec 12 10:10 PMAtlas Venture Fund X, LP
Proposed Sale
49,299$93.60$4.6M—

View →

Dec 11, 2025Dec 11 9:25 PMJOHN QUISEL
Proposed Sale
40,000$92.85$3.7M—

View →

Nov 11, 2025Nov 12 11:56 AMJONATHAN YU
Proposed Sale
30,000$83.58$2.5M—

View →

Oct 20, 2025Oct 21 12:54 AMOrbiMed Private Investments VI, LP
Proposed Sale
482,308$89.94$43.4M—

View →

Oct 20, 2025Oct 21 12:52 AMOrbiMed Genesis Master Fund, L.P.
Proposed Sale
186,541$89.94$16.8M—

View →

Oct 20, 2025Oct 21 12:47 AMOrbiMed Private Investments VIII, LP
Proposed Sale
746,171$89.94$67.1M—

View →

Stock Options & Derivatives
Txn DateAcceptedInsiderTypeSharesExercise PriceShares OwnedFiling
Jun 18, 2026Jun 23 8:56 PMKevin BittermanDirector
Grant/Award
6,212$70.796,212(D)

View →

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

View →

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

View →

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

View →

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

View →

Feb 10, 2026Feb 12 12:40 AMWilliam Jacob SavageChief Medical Officer
Grant/Award
25,500$74.7525,500(D)

View →

Feb 10, 2026Feb 12 12:34 AMJonathan Yen-Wen YuChief Operating Officer
Grant/Award
25,500$74.7525,500(D)

View →

Feb 10, 2026Feb 12 12:26 AMJean M. FranchiChief Financial Officer
Grant/Award
25,500$74.7525,500(D)

View →

Feb 10, 2026Feb 12 12:12 AMJohn D QuiselDirector, Chief Executive Officer
Grant/Award
82,800$74.7582,800(D)

View →

Jan 20, 2026Jan 21 11:55 PMRahul KharaChief Legal Officer
Option Exercise
1,000$13.5021,270(D)

View →

← Previous

Page 2 of 2