Kevin Bitterman sold $6.3M of IRON
director at Disc Medicine, Inc.. 90,000 shares at an average of $70.14, traded Oct 7, 2025, filed Oct 9, 2025.
Score components
- +15RoleDirector
- +25Trade size$6.3M at market
- +5Share of holdings soldSold 15% of holdings
- 0ClusterNo other insider selling within 14 days
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +18.5%, 3m +12.1%, 6m -4.9%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001591747-25-000004, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 7, 2025 | SOpen-market sale Common Stockindirect: See footnote | -11,378 | $68.01 | $774k | 579,243 | Oct 9, 2025 |
| Oct 7, 2025 | SOpen-market sale Common Stockindirect: See footnote | -6,661 | $69.01 | $460k | 572,582 | Oct 9, 2025 |
| Oct 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -8,219 | $68.26 | $561k | 564,363 | Oct 9, 2025 |
| Oct 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -12,386 | $69.31 | $858k | 551,977 | Oct 9, 2025 |
| Oct 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -25,400 | $70.54 | $1.8M | 526,577 | Oct 9, 2025 |
| Oct 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -12,689 | $71.51 | $907k | 513,888 | Oct 9, 2025 |
| Oct 8, 2025 | SOpen-market sale Common Stockindirect: See footnote | -13,267 | $72.39 | $960k | 500,621 | Oct 9, 2025 |
Related signals
Other insiders at Disc Medicine, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 45Moderate | IRONsell Disc Medicine, Inc. | Kevin Bitterman director | $1.9M 27,136 shares | -100% | |
| 14Weak | Disc Medicine, Inc. | Kevin Bitterman director | $135k 1,689 shares | -1% | |
| 33Weak | Disc Medicine, Inc. | Kevin Bitterman director | $4.4M 54,496 shares | -16% | |
| 27Weak | Disc Medicine, Inc. | Jonathan Yen-Wen Yu Chief Operating Officer | $756k 9,096 shares | -17% | |
| 35Weak | Disc Medicine, Inc. | John D Quisel Chief Executive Officer | $2.6M 33,000 shares | -13% | |
| 8Weak | Disc Medicine, Inc. | Jonathan Yen-Wen Yu Chief Operating Officer | $66k 804 shares | -1% | |
| 11Weak | Disc Medicine, Inc. | Rahul Khara Chief Legal Officer | $400k 5,000 shares | -9% | |
| 28Weak | Disc Medicine, Inc. | John D Quisel Chief Executive Officer | $2.5M 33,000 shares | -13% | |
| 0Weak | Disc Medicine, Inc. | Jonathan Yen-Wen Yu Chief Operating Officer | $8,250 100 shares | -0% | |
| 0Weak | Disc Medicine, Inc. | Jonathan Yen-Wen Yu Chief Operating Officer | $22k 300 shares | -1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.