IRON Disc Medicine, Inc.
Disc Medicine, Inc. (IRON) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 90% planned / 10% discretionary
Largest single sale: $2.1M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Bitterman Kevin | Director | Sell | 27,136 | $70.11 | $1.9M | None left | |
| Bitterman Kevin 3 fills | Director | Sell 10b5-1 | 1,689 | $79.96 | $135.1K | 318,866 −0.5% of holding | |
| Bitterman Kevin 3 fills | Director | Sell 10b5-1 | 5,203 | $79.98 | $416.1K | 319,778 −1.6% of holding | |
| Bitterman Kevin 6 fills | Director | Sell 10b5-1 | 49,164 | $80.17 | $3.9M | 322,598 −13.2% of holding | |
| Bitterman Kevin 3 fills | Director | Sell 10b5-1 | 129 | $79.95 | $10.3K | 349,140 −0% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 8,796 | $83.12 | $731.1K | 54,324 −13.9% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 300 | $82.53 | $24.8K | 54,324 −0.5% of holding | |
| Quisel John D 3 fills | Chief Executive Officer | Sell 10b5-1 | 33,000 | $79.15 | $2.6M | 250,664 −11.6% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 804 | $82.64 | $66.4K | 54,324 −1.5% of holding | |
| Khara Rahul | Chief Legal Officer | Sell 10b5-1 | 5,000 | $80.00 | $400.0K | 52,324 −8.7% of holding | |
| Quisel John D 3 fills | Chief Executive Officer | Sell 10b5-1 | 33,000 | $74.96 | $2.5M | 249,360 −11.7% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 100 | $82.50 | $8.3K | 54,324 −0.2% of holding | |
| Khara Rahul | Chief Legal Officer | Sell 10b5-1 | 1,649 | $75.00 | $123.7K | 52,173 −3.1% of holding | |
| Khara Rahul | Chief Legal Officer | Sell 10b5-1 | 851 | $75.00 | $63.8K | 52,173 −1.6% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 300 | $72.50 | $21.8K | 54,324 −0.5% of holding | |
| Yu Jonathan Yen-Wen | Chief Operating Officer | Sell 10b5-1 | 9,700 | $72.66 | $704.8K | 54,324 −15.2% of holding | |
| Quisel John D 3 fills | Chief Executive Officer | Sell 10b5-1 | 34,000 | $70.21 | $2.4M | 237,137 −12.5% of holding | |
| Khara Rahul 3 fills | Chief Legal Officer | Sell 10b5-1 | 7,500 | $70.22 | $526.7K | 54,273 −12.1% of holding | |
| Yu Jonathan Yen-Wen 2 fills | Chief Operating Officer | Sell 10b5-1 | 18,612 | $69.19 | $1.3M | 61,285 −23.3% of holding | |
| Franchi Jean M. | Chief Financial Officer | Sell 10b5-1 | 6,257 | $69.24 | $433.2K | 64,333 −8.9% of holding | |
| Savage William Jacob 2 fills | Chief Medical Officer | Sell 10b5-1 | 5,731 | $66.38 | $380.4K | 81,680 −6.6% of holding | |
| Franchi Jean M. | Chief Financial Officer | Sell 10b5-1 | 400 | $69.00 | $27.6K | 70,590 −0.6% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.