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? 73% planned / 27% 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 |
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.