Disc Medicine Inc (IRON)

Disc Medicine Inc. experienced significant insider trading activity recently, with 57 transactions totaling approximately $38.1 million in sales over the last 90 days. Major shareholders, including Atlas Venture entities and Kevin Bitterman, executed these planned divestments. This selling occurs amid a 20.4% stock price increase and following a positive earnings report.
Ticker: IRON Exchange: NMS


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Insider trades have triggered activity signals for Disc Medicine Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.98
Quantity 1,000 -0.4%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.98
Quantity 1,000 -0.7%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.98
Quantity 1,000 -0.9%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.98
Quantity 1,000 -0.0%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.98
Quantity 1,000 -0.0%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.98
Quantity 1,000 -0.0%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.17
Quantity 1,000 -3.6%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.17
Quantity 1,000 -6.5%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
80.17
Quantity 1,000 -7.6%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.95
Quantity 1,000 -0.0%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.95
Quantity 1,000 -0.0%
Value US$100,000
3.8
Bitterman Kevin Non-Executive Director
Transaction date
Planned sale
Price
79.95
Quantity 1,000 -0.0%
Value US$100,000
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
83.12
Quantity 1,000 -13.9%
Value US$100,000
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
82.53
Quantity 1,000 -0.5%
Value US$100,000
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
79.84
Quantity 1,000 -5.0%
Value US$100,000
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
79.20
Quantity 1,000 -5.1%
Value US$100,000
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
78.11
Quantity 1,000 -3.2%
Value US$100,000
2.4
JOHN QUISEL Director; Officer Executive Director
Transaction date
Proposed sale
Price
78.84
Quantity 1,000
Value US$100,000
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
82.64
Quantity 804 -1.5%
Value US$66,445
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
80.00
Quantity 5,000 -8.7%
Value US$400,000
1.6
RAHUL KHARA Officer Officer
Transaction date
Proposed sale
Price
78.91
Quantity 5,000
Value US$394,550
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
76.05
Quantity 6,400 -2.8%
Value US$486,733
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
74.95
Quantity 16,896 -6.8%
Value US$1,266,303
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
74.27
Quantity 9,704 -3.7%
Value US$720,744
2.4
JOHN QUISEL Director; Officer Executive Director
Transaction date
Proposed sale
Price
76.59
Quantity 33,000
Value US$2,527,470
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
82.50
Quantity 100 -0.2%
Value US$8,250
2.5
JONATHAN YU Officer Officer
Transaction date
Proposed sale
Price
77.01
Quantity 10,000
Value US$770,100
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
75.00
Quantity 1,649 -3.1%
Value US$123,675
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
75.00
Quantity 851 -1.6%
Value US$63,825
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
72.50
Quantity 300 -0.5%
Value US$21,750
1.6
RAHUL KHARA Officer Officer
Transaction date
Proposed sale
Price
70.16
Quantity 2,500
Value US$175,400
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
72.66
Quantity 9,700 -15.2%
Value US$704,795
2.5
JONATHAN YU Officer Officer
Transaction date
Proposed sale
Price
70.79
Quantity 10,000
Value US$707,900
2.5
JONATHAN YU Officer Officer
Transaction date
Proposed sale
Price
70.79
Quantity 10,000
Value US$707,900
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
71.62
Quantity 500 -0.9%
Value US$35,811
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
70.73
Quantity 1,600 -2.9%
Value US$113,161
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Planned sale
Price
69.94
Quantity 5,400 -9.0%
Value US$377,688
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
71.61
Quantity 1,551 -0.7%
Value US$111,071
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
70.70
Quantity 9,522 -4.0%
Value US$673,205
2.4
Quisel John D Chief Executive Officer Executive Director
Transaction date
Planned sale
Price
69.92
Quantity 22,927 -8.8%
Value US$1,603,019
2.4
JOHN QUISEL Director; Officer Executive Director
Transaction date
Proposed sale
Price
70.21
Quantity 34,000
Value US$2,387,140
1.6
RAHUL KHARA Officer Officer
Transaction date
Proposed sale
Price
70.21
Quantity 7,500
Value US$526,575
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
69.92
Quantity 6,961 -11.4%
Value US$486,699
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Planned sale
Price
68.76
Quantity 11,651 -16.0%
Value US$801,102
2.5
JONATHAN YU Officer Officer
Transaction date
Proposed sale
Price
70.09
Quantity 18,612
Value US$1,304,515
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Planned sale
Price
69.24
Quantity 6,257 -8.9%
Value US$433,234
2.5
Savage William Jacob Chief Medical Officer Officer
Transaction date
Planned sale
Price
66.81
Quantity 2,200 -2.7%
Value US$146,976
2.5
Savage William Jacob Chief Medical Officer Officer
Transaction date
Planned sale
Price
66.12
Quantity 3,531 -4.1%
Value US$233,473
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Planned sale
Price
69.00
Quantity 400 -0.6%
Value US$27,600
2.5
WILLIAM SAVAGE Officer Officer
Transaction date
Proposed sale
Price
66.32
Quantity 5,731
Value US$380,080
2.5
Savage William Jacob Chief Medical Officer Officer
Transaction date
Planned sale
Price
66.41
Quantity 2,986 -3.4%
Value US$198,297
2.5
Savage William Jacob Chief Medical Officer Officer
Transaction date
Planned sale
Price
65.52
Quantity 4,392 -4.7%
Value US$287,772
2.5
WILLIAM SAVAGE Officer Officer
Transaction date
Proposed sale
Price
66.62
Quantity 7,378
Value US$491,522
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Planned sale
Price
69.06
Quantity 353 -0.5%
Value US$24,377
2.4
JEAN FRANCHI Officer Officer
Transaction date
Proposed sale
Price
66.20
Quantity 7,010
Value US$464,062
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Planned sale
Price
65.89
Quantity 3,684 -4.9%
Value US$242,735
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Planned sale
Price
65.01
Quantity 3,397 -4.3%
Value US$220,838
2.4
JEAN FRANCHI Officer Officer
Transaction date
Proposed sale
Price
65.57
Quantity 7,081
Value US$464,301
2.4
Franchi Jean M. Chief Financial Officer Officer
Transaction date
Sale
Price
62.86
Quantity 4,075 -4.9%
Value US$256,154
1.6
Khara Rahul Chief Legal Officer Officer
Transaction date
Sale
Price
62.86
Quantity 2,853 -5.2%
Value US$179,340
2.5
Stephenson Pamela Chief Commercial Officer Officer
Transaction date
Sale
Price
62.86
Quantity 5,531 -6.4%
Value US$347,679
2.5
Savage William Jacob Chief Medical Officer Officer
Transaction date
Sale
Price
62.86
Quantity 3,256 -3.4%
Value US$204,672
2.5
Yu Jonathan Yen-Wen Chief Operating Officer Officer
Transaction date
Sale
Price
62.86
Quantity 3,231 -5.6%
Value US$203,101
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-09-04 2026-09-04 PrS Proposed sale

Shareholder

21,583
392.98
US$671,919
21,583 392.98 US$671,919
2026-09-04 2026-09-04 PrS Proposed sale

Shareholder

35,762
312.11
US$3,103,963
35,762 312.11 US$3,103,963
2026-09-04 2026-09-04 PrS Proposed sale

Shareholder

68,329
322.77
US$1,722,336
68,329 322.77 US$1,722,336
2026-09-04 2026-09-04 PrS Proposed sale

Shareholder

1,000
79.37
US$100,000
1,000 79.37 US$100,000
2026-09-03 2026-09-03 PlS Planned sale Non-Executive Director
1,000 -0.4%
79.98
US$100,000
1,000 -0.4% 79.98 US$100,000
2026-09-03 2026-09-03 PlS Planned sale Non-Executive Director
1,000 -0.7%
79.98
US$100,000
1,000 -0.7% 79.98 US$100,000
2026-09-03 2026-09-03 PlS Planned sale Non-Executive Director
1,000 -0.9%
79.98
US$100,000
1,000 -0.9% 79.98 US$100,000
2026-09-03 2026-09-03 PrS Proposed sale

Shareholder

1,000
80.05
US$100,000
1,000 80.05 US$100,000
2026-09-03 2026-09-03 PrS Proposed sale

Shareholder

1,000
80.05
US$100,000
1,000 80.05 US$100,000
2026-09-03 2026-09-03 PrS Proposed sale

Shareholder

1,000
80.05
US$100,000
1,000 80.05 US$100,000
2026-09-03 2026-09-03 PrS Proposed sale

Shareholder

1,000
80.05
US$100,000
1,000 80.05 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -0.0%
80.98
US$100,000
1,000 -0.0% 80.98 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -0.0%
80.98
US$100,000
1,000 -0.0% 80.98 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -0.0%
80.98
US$100,000
1,000 -0.0% 80.98 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -3.6%
80.17
US$100,000
1,000 -3.6% 80.17 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -6.5%
80.17
US$100,000
1,000 -6.5% 80.17 US$100,000
2026-09-03 2026-09-02 PlS Planned sale Non-Executive Director
1,000 -7.6%
80.17
US$100,000
1,000 -7.6% 80.17 US$100,000
2026-09-02 2026-09-02 PrS Proposed sale

Shareholder

1,000
78.67
US$100,000
1,000 78.67 US$100,000
2026-09-02 2026-09-02 PrS Proposed sale

Shareholder

1,000
78.67
US$100,000
1,000 78.67 US$100,000
2026-09-02 2026-09-02 PrS Proposed sale

Shareholder

1,000
78.67
US$100,000
1,000 78.67 US$100,000
2026-09-02 2026-09-02 PrS Proposed sale

Shareholder

1,000
78.67
US$100,000
1,000 78.67 US$100,000
2026-09-03 2026-09-01 PlS Planned sale Non-Executive Director
1,000 -0.0%
79.95
US$100,000
1,000 -0.0% 79.95 US$100,000
2026-09-03 2026-09-01 PlS Planned sale Non-Executive Director
1,000 -0.0%
79.95
US$100,000
1,000 -0.0% 79.95 US$100,000
2026-09-03 2026-09-01 PlS Planned sale Non-Executive Director
1,000 -0.0%
79.95
US$100,000
1,000 -0.0% 79.95 US$100,000
2026-08-26 2026-08-25 PlS Planned sale

Chief Operating Officer

Officer
1,000 -13.9%
83.12
US$100,000
1,000 -13.9% 83.12 US$100,000
2026-08-26 2026-08-24 PlS Planned sale

Chief Operating Officer

Officer
1,000 -0.5%
82.53
US$100,000
1,000 -0.5% 82.53 US$100,000
2026-08-18 2026-08-17 PlS Planned sale

Chief Executive Officer

Executive Director
1,000 -5.0%
79.84
US$100,000
1,000 -5.0% 79.84 US$100,000
2026-08-18 2026-08-17 PlS Planned sale

Chief Executive Officer

Executive Director
1,000 -5.1%
79.20
US$100,000
1,000 -5.1% 79.20 US$100,000
2026-08-18 2026-08-17 PlS Planned sale

Chief Executive Officer

Executive Director
1,000 -3.2%
78.11
US$100,000
1,000 -3.2% 78.11 US$100,000
2026-08-17 2026-08-17 PrS Proposed sale

Director; Officer

Executive Director
1,000
78.84
US$100,000
1,000 78.84 US$100,000
2026-08-14 2026-08-12 PlS Planned sale

Chief Operating Officer

Officer
804 -1.5%
82.64
US$66,445
804 -1.5% 82.64 US$66,445
2026-08-07 2026-08-06 PlS Planned sale

Chief Legal Officer

Officer
5,000 -8.7%
80.00
US$400,000
5,000 -8.7% 80.00 US$400,000
2026-08-06 2026-08-06 PrS Proposed sale

Officer

Officer
5,000
78.91
US$394,550
5,000 78.91 US$394,550
2026-07-14 2026-07-13 PlS Planned sale

Chief Executive Officer

Executive Director
6,400 -2.8%
76.05
US$486,733
6,400 -2.8% 76.05 US$486,733
2026-07-14 2026-07-13 PlS Planned sale

Chief Executive Officer

Executive Director
16,896 -6.8%
74.95
US$1,266,303
16,896 -6.8% 74.95 US$1,266,303
2026-07-14 2026-07-13 PlS Planned sale

Chief Executive Officer

Executive Director
9,704 -3.7%
74.27
US$720,744
9,704 -3.7% 74.27 US$720,744
2026-07-13 2026-07-13 PrS Proposed sale

Director; Officer

Executive Director
33,000
76.59
US$2,527,470
33,000 76.59 US$2,527,470
2026-07-09 2026-07-07 PlS Planned sale

Chief Operating Officer

Officer
100 -0.2%
82.50
US$8,250
100 -0.2% 82.50 US$8,250
2026-07-07 2026-07-07 PrS Proposed sale

Officer

Officer
10,000
77.01
US$770,100
10,000 77.01 US$770,100
2026-06-30 2026-06-29 PlS Planned sale

Chief Legal Officer

Officer
1,649 -3.1%
75.00
US$123,675
1,649 -3.1% 75.00 US$123,675
2026-06-30 2026-06-26 PlS Planned sale

Chief Legal Officer

Officer
851 -1.6%
75.00
US$63,825
851 -1.6% 75.00 US$63,825
2026-06-30 2026-06-26 PlS Planned sale

Chief Operating Officer

Officer
300 -0.5%
72.50
US$21,750
300 -0.5% 72.50 US$21,750
2026-06-26 2026-06-26 PrS Proposed sale

Officer

Officer
2,500
70.16
US$175,400
2,500 70.16 US$175,400
2026-06-24 2026-06-22 PlS Planned sale

Chief Operating Officer

Officer
9,700 -15.2%
72.66
US$704,795
9,700 -15.2% 72.66 US$704,795
2026-06-22 2026-06-22 PrS Proposed sale

Officer

Officer
10,000
70.79
US$707,900
10,000 70.79 US$707,900
2026-06-22 2026-06-22 PrS Proposed sale

Officer

Officer
10,000
70.79
US$707,900
10,000 70.79 US$707,900
2026-06-23 2026-06-18 PlS Planned sale

Chief Legal Officer

Officer
500 -0.9%
71.62
US$35,811
500 -0.9% 71.62 US$35,811
2026-06-23 2026-06-18 PlS Planned sale

Chief Legal Officer

Officer
1,600 -2.9%
70.73
US$113,161
1,600 -2.9% 70.73 US$113,161
2026-06-23 2026-06-18 PlS Planned sale

Chief Legal Officer

Officer
5,400 -9.0%
69.94
US$377,688
5,400 -9.0% 69.94 US$377,688
2026-06-23 2026-06-18 PlS Planned sale

Chief Executive Officer

Executive Director
1,551 -0.7%
71.61
US$111,071
1,551 -0.7% 71.61 US$111,071
2026-06-23 2026-06-18 PlS Planned sale

Chief Executive Officer

Executive Director
9,522 -4.0%
70.70
US$673,205
9,522 -4.0% 70.70 US$673,205
2026-06-23 2026-06-18 PlS Planned sale

Chief Executive Officer

Executive Director
22,927 -8.8%
69.92
US$1,603,019
22,927 -8.8% 69.92 US$1,603,019
2026-06-18 2026-06-18 PrS Proposed sale

Director; Officer

Executive Director
34,000
70.21
US$2,387,140
34,000 70.21 US$2,387,140
2026-06-18 2026-06-18 PrS Proposed sale

Officer

Officer
7,500
70.21
US$526,575
7,500 70.21 US$526,575
2026-06-18 2026-06-16 PlS Planned sale

Chief Operating Officer

Officer
6,961 -11.4%
69.92
US$486,699
6,961 -11.4% 69.92 US$486,699
2026-06-18 2026-06-16 PlS Planned sale

Chief Operating Officer

Officer
11,651 -16.0%
68.76
US$801,102
11,651 -16.0% 68.76 US$801,102
2026-06-16 2026-06-16 PrS Proposed sale

Officer

Officer
18,612
70.09
US$1,304,515
18,612 70.09 US$1,304,515
2026-04-15 2026-04-14 PlS Planned sale

Chief Financial Officer

Officer
6,257 -8.9%
69.24
US$433,234
6,257 -8.9% 69.24 US$433,234
2026-04-15 2026-04-13 PlS Planned sale

Chief Medical Officer

Officer
2,200 -2.7%
66.81
US$146,976
2,200 -2.7% 66.81 US$146,976
2026-04-15 2026-04-13 PlS Planned sale

Chief Medical Officer

Officer
3,531 -4.1%
66.12
US$233,473
3,531 -4.1% 66.12 US$233,473
2026-04-15 2026-04-13 PlS Planned sale

Chief Financial Officer

Officer
400 -0.6%
69.00
US$27,600
400 -0.6% 69.00 US$27,600
2026-04-13 2026-04-13 PrS Proposed sale

Officer

Officer
5,731
66.32
US$380,080
5,731 66.32 US$380,080
2026-03-04 2026-03-02 PlS Planned sale

Chief Medical Officer

Officer
2,986 -3.4%
66.41
US$198,297
2,986 -3.4% 66.41 US$198,297
2026-03-04 2026-03-02 PlS Planned sale

Chief Medical Officer

Officer
4,392 -4.7%
65.52
US$287,772
4,392 -4.7% 65.52 US$287,772
2026-03-02 2026-03-02 PrS Proposed sale

Officer

Officer
7,378
66.62
US$491,522
7,378 66.62 US$491,522
2026-02-27 2026-02-25 PlS Planned sale

Chief Financial Officer

Officer
353 -0.5%
69.06
US$24,377
353 -0.5% 69.06 US$24,377
2026-02-25 2026-02-25 PrS Proposed sale

Officer

Officer
7,010
66.20
US$464,062
7,010 66.20 US$464,062
2026-02-19 2026-02-18 PlS Planned sale

Chief Financial Officer

Officer
3,684 -4.9%
65.89
US$242,735
3,684 -4.9% 65.89 US$242,735
2026-02-19 2026-02-18 PlS Planned sale

Chief Financial Officer

Officer
3,397 -4.3%
65.01
US$220,838
3,397 -4.3% 65.01 US$220,838
2026-02-18 2026-02-18 PrS Proposed sale

Officer

Officer
7,081
65.57
US$464,301
7,081 65.57 US$464,301
2026-02-19 2026-02-17 S Sale

Chief Financial Officer

Officer
4,075 -4.9%
62.86
US$256,154
4,075 -4.9% 62.86 US$256,154
2026-02-17 2026-02-17 S Sale

Chief Legal Officer

Officer
2,853 -5.2%
62.86
US$179,340
2,853 -5.2% 62.86 US$179,340
2026-02-17 2026-02-17 S Sale

Chief Commercial Officer

Officer
5,531 -6.4%
62.86
US$347,679
5,531 -6.4% 62.86 US$347,679
2026-02-17 2026-02-17 S Sale

Chief Medical Officer

Officer
3,256 -3.4%
62.86
US$204,672
3,256 -3.4% 62.86 US$204,672
2026-02-17 2026-02-17 S Sale

Chief Operating Officer

Officer
3,231 -5.6%
62.86
US$203,101
3,231 -5.6% 62.86 US$203,101