Bitterman Kevin
Director
Sale
Calculated transaction value
$79.95
1 shares @ $79.95
Traded
Sep 1, 2026
Filed
Sep 3, 2026
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Disc Medicine
IRON
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
95 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Bitterman Kevin Director | Sep 3, 2026 2-day lag | Sale Sep 1, 2026 | $79.95 Filed shares x price | SEC Form 4 View filing | |
| Bitterman Kevin Director | Sep 3, 2026 2-day lag | Sale Sep 1, 2026 | $5.6K Filed shares x price | SEC Form 4 View filing | |
| Bitterman Kevin Director | Sep 3, 2026 2-day lag | Sale Sep 1, 2026 | $4.64K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 1-day lag | Sale Aug 25, 2026 | $731.09K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 1-day lag | Exercise Aug 25, 2026 | $118.75K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 1-day lag | Exercise Aug 25, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 2-day lag | Exercise Aug 24, 2026 | $4.05K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 2-day lag | Sale Aug 24, 2026 | $24.76K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 26, 2026 2-day lag | Exercise Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Aug 18, 2026 1-day lag | Exercise Aug 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $1.01M Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $949.16K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Aug 18, 2026 1-day lag | Sale Aug 17, 2026 | $656.09K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Aug 18, 2026 1-day lag | Exercise Aug 17, 2026 | $445.5K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 14, 2026 2-day lag | Sale Aug 12, 2026 | $66.44K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 14, 2026 2-day lag | Exercise Aug 12, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen-wen Chief Operating Officer | Aug 14, 2026 2-day lag | Exercise Aug 12, 2026 | $10.85K Filed shares x price | SEC Form 4 View filing | |
| Khara Rahul Chief Legal Officer | Aug 7, 2026 1-day lag | Exercise Aug 6, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Khara Rahul Chief Legal Officer | Aug 7, 2026 1-day lag | Sale Aug 6, 2026 | $400K Filed shares x price | SEC Form 4 View filing | |
| Khara Rahul Chief Legal Officer | Aug 7, 2026 1-day lag | Exercise Aug 6, 2026 | $73.45K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Exercise Jul 13, 2026 | $100.12K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Sale Jul 13, 2026 | $486.73K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Exercise Jul 13, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Sale Jul 13, 2026 | $720.74K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Sale Jul 13, 2026 | $1.27M Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Exercise Jul 13, 2026 | $252.26K Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Chief Executive Officer | Jul 14, 2026 1-day lag | Exercise Jul 13, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen Wen Chief Operating Officer | Jul 9, 2026 2-day lag | Exercise Jul 7, 2026 | $1.35K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen Wen Chief Operating Officer | Jul 9, 2026 2-day lag | Sale Jul 7, 2026 | $8.25K Filed shares x price | SEC Form 4 View filing | |
| Yu Jonathan Yen Wen Chief Operating Officer | Jul 9, 2026 2-day lag | Exercise Jul 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Bitterman Kevin
Director
Sale
Calculated transaction value
$5.6K
70 shares @ $79.95
Traded
Sep 1, 2026
Filed
Sep 3, 2026
Bitterman Kevin
Director
Sale
Calculated transaction value
$4.64K
58 shares @ $79.95
Traded
Sep 1, 2026
Filed
Sep 3, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Sale
Calculated transaction value
$731.09K
8,796 shares @ $83.12
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$118.75K
8,796 shares @ $13.5
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$0
8,796 shares @ $0
Traded
Aug 25, 2026
Filed
Aug 26, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$4.05K
300 shares @ $13.5
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Sale
Calculated transaction value
$24.76K
300 shares @ $82.53
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$0
300 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$0
33,000 shares @ $0
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$1.01M
12,712 shares @ $79.2
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$949.16K
11,888 shares @ $79.84
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$656.09K
8,400 shares @ $78.11
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$445.5K
33,000 shares @ $13.5
Traded
Aug 17, 2026
Filed
Aug 18, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Sale
Calculated transaction value
$66.44K
804 shares @ $82.64
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$0
804 shares @ $0
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Yu Jonathan Yen-wen
Chief Operating Officer
Exercise
Calculated transaction value
$10.85K
804 shares @ $13.5
Traded
Aug 12, 2026
Filed
Aug 14, 2026
Khara Rahul
Chief Legal Officer
Exercise
Calculated transaction value
$0
5,000 shares @ $0
Traded
Aug 6, 2026
Filed
Aug 7, 2026
Khara Rahul
Chief Legal Officer
Sale
Calculated transaction value
$400K
5,000 shares @ $80
Traded
Aug 6, 2026
Filed
Aug 7, 2026
Khara Rahul
Chief Legal Officer
Exercise
Calculated transaction value
$73.45K
5,000 shares @ $14.69
Traded
Aug 6, 2026
Filed
Aug 7, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$100.12K
7,416 shares @ $13.5
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$486.73K
6,400 shares @ $76.05
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$0
7,416 shares @ $0
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$720.74K
9,704 shares @ $74.27
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Sale
Calculated transaction value
$1.27M
16,896 shares @ $74.95
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$252.26K
25,584 shares @ $9.86
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Quisel John D
Chief Executive Officer
Exercise
Calculated transaction value
$0
25,584 shares @ $0
Traded
Jul 13, 2026
Filed
Jul 14, 2026
Yu Jonathan Yen Wen
Chief Operating Officer
Exercise
Calculated transaction value
$1.35K
100 shares @ $13.5
Traded
Jul 7, 2026
Filed
Jul 9, 2026
Yu Jonathan Yen Wen
Chief Operating Officer
Sale
Calculated transaction value
$8.25K
100 shares @ $82.5
Traded
Jul 7, 2026
Filed
Jul 9, 2026
Yu Jonathan Yen Wen
Chief Operating Officer
Exercise
Calculated transaction value
$0
100 shares @ $0
Traded
Jul 7, 2026
Filed
Jul 9, 2026