IRON
Disc Medicine, Inc.
NASDAQ · USHealthcareBiotechnology
$75.72-0.56%
Price as of Jul 20, 2026
IRON ownership
Disc Medicine, Inc. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
15
Net (3m)
-$7.5M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
Jun
Jul
Context3-month price +9.5%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 14, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 16,896 | $74.95 |
| Jul 14, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Option | 7,416 | $13.50 |
| Jul 14, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Option | 25,584 | $9.86 |
| Jul 14, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 9,704 | $74.27 |
| Jul 14, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 6,400 | $76.05 |
| Jul 9, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Sell | 100 | $82.50 |
| Jul 9, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Option | 100 | $13.50 |
| Jun 30, 2026 | Khara Rahulofficer: Chief Legal Officer | Option | 1,649 | $14.69 |
| Jun 30, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Sell | 300 | $72.50 |
| Jun 30, 2026 | Khara Rahulofficer: Chief Legal Officer | Option | 851 | $14.69 |
| Jun 30, 2026 | Khara Rahulofficer: Chief Legal Officer | Sell | 1,649 | $75.00 |
| Jun 30, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Option | 300 | $13.50 |
| Jun 24, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Sell | 9,700 | $72.66 |
| Jun 24, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Option | 9,700 | $13.50 |
| Jun 23, 2026 | Khara Rahulofficer: Chief Legal Officer | Option | 7,500 | $14.69 |
| Jun 23, 2026 | Khara Rahulofficer: Chief Legal Officer | Sell | 5,400 | $69.94 |
| Jun 23, 2026 | AHMED NADIMdirector | Grant | 5,176 | $70.79 |
| Jun 23, 2026 | Bitterman Kevindirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | Chin Markdirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | GEMAYEL GEORGESdirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | Nicholson Donald Williamdirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | Ratcliffe Liamdirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | White William Richarddirector | Grant | 6,212 | $70.79 |
| Jun 23, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 1,551 | $71.61 |
| Jun 23, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 9,522 | $70.70 |
| Jun 23, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Sell | 22,927 | $69.92 |
| Jun 23, 2026 | Quisel John Ddirector, officer: Chief Executive Officer | Option | 34,000 | $9.86 |
| Jun 23, 2026 | Khara Rahulofficer: Chief Legal Officer | Sell | 500 | $71.62 |
| Jun 23, 2026 | Khara Rahulofficer: Chief Legal Officer | Sell | 1,600 | $70.73 |
| Jun 18, 2026 | Yu Jonathan Yen-Wenofficer: Chief Operating Officer | Sell | 6,961 | $69.92 |
Source: IRON SEC Form 4 filings, latest Jul 14, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their IRON positions over the last 6 months (SEC Form 13F).
Increased
168
New positions
93
Reduced
92
Sold out
57
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FMR LLC | Increased | 5.6M | May 15, 2026 |
| FMR LLC | Increased | 5.5M | Feb 17, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Increased | 2.5M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 2.3M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 2.3M | May 13, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Increased | 2.0M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 1.8M | Jan 29, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 1.7M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.7M | May 15, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 1.7M | Feb 17, 2026 |
| JPMORGAN CHASE & CO | Increased | 1.6M | Feb 11, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | 1.5M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 1.5M | Feb 17, 2026 |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | Unchanged | 1.5M | May 14, 2026 |
| ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | Reduced | 1.5M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.