Kevin Bitterman sold $8.0M of IRON
director at Disc Medicine, Inc.. 93,585 shares at an average of $85.97, traded Oct 15, 2025, filed Oct 17, 2025.
Score components
- +15RoleDirector
- +25Trade size$8.0M at market
- +5Share of holdings soldSold 19% of holdings
- +8Cluster2 insiders 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.
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 0001591747-25-000006, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Oct 15, 2025 | SOpen-market sale Common Stockindirect: See footnote | -19,542 | $77.16 | $1.5M | 481,079 | Oct 17, 2025 |
| Oct 15, 2025 | SOpen-market sale Common Stockindirect: See footnote | -2,618 | $77.76 | $204k | 478,461 | Oct 17, 2025 |
| Oct 16, 2025 | SOpen-market sale Common Stockindirect: See footnote | -1,425 | $77.11 | $110k | 477,036 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -1,125 | $84.89 | $96k | 475,911 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -1,125 | $84.89 | $96k | 419,424 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -3,000 | $86.13 | $258k | 472,911 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -3,000 | $86.13 | $258k | 416,424 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -5,066 | $87.37 | $443k | 467,845 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -5,065 | $87.37 | $443k | 411,359 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -13,014 | $88.91 | $1.2M | 454,831 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -13,014 | $88.91 | $1.2M | 398,345 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -2,251 | $89.70 | $202k | 452,580 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -2,251 | $89.70 | $202k | 396,094 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -10,094 | $90.66 | $915k | 442,486 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -10,095 | $90.66 | $915k | 385,999 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -450 | $91.88 | $41k | 442,036 | Oct 17, 2025 |
| Oct 17, 2025 | SOpen-market sale Common Stockindirect: See footnote | -450 | $91.88 | $41k | 385,549 | Oct 17, 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% | |
| 6Weak | Disc Medicine, Inc. | Kevin Bitterman director | $135k 1,689 shares | -1% | |
| 25Weak | Disc Medicine, Inc. | Kevin Bitterman director | $4.4M 54,496 shares | -16% | |
| 38Weak | Disc Medicine, Inc. | Kevin Bitterman director | $69k 754 shares | -0% | |
| 50Moderate | Disc Medicine, Inc. | Kevin Bitterman director | $17M 184,123 shares | -42% | |
| 40Moderate | Disc Medicine, Inc. | William Jacob Savage Chief Medical Officer | $1.2M 13,093 shares | -15% | |
| 35Weak | Disc Medicine, Inc. | John D Quisel Chief Executive Officer | $3.7M 40,000 shares | -19% | |
| 20Weak | Disc Medicine, Inc. | Jonathan Yen-Wen Yu Chief Operating Officer | $2.5M 30,000 shares | -43% | |
| 50Moderate | Disc Medicine, Inc. | Ai Dmi LLC owner | $60M 744,047 shares | -21% | |
| 45Moderate | IRONsell Disc Medicine, Inc. | Kevin Bitterman director | $6.3M 90,000 shares | -15% |
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.