Kevin Bitterman
CIK: 0001591747
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Disc Medicine, Inc.
Discretionary Trading P&L
Holdings
Transaction History (85 total)
- Oct 21, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect266 shares at avg. $80.23$21K - Oct 21, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect11.5K shares at avg. $80.23$920K - Oct 21, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect13.8K shares at avg. $80.23$1.1M - Oct 20, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect55 shares at avg. $79.95$4K - Oct 20, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect2.9K shares at avg. $79.95$229K - Oct 20, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect2.4K shares at avg. $79.95$191K - Oct 19, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect4.9K shares at avg. $79.97$395K - Oct 19, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect115 shares at avg. $79.97$9K - Oct 19, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect5.9K shares at avg. $79.97$475K - Sep 11, 2026IRON
Disc Medicine, Inc.
Exercise(M)Direct7.1K shares at avg. $45.69$326K - Sep 11, 2026IRON
Disc Medicine, Inc.
Sale(S)Direct27.1K shares at avg. $70.11$1.9M - Sep 11, 2026IRON
Disc Medicine, Inc.
Exercise(M)Direct10K shares at avg. $38.85$389K - Sep 11, 2026IRON
Disc Medicine, Inc.
Exercise(M)Direct10K shares at avg. $50.86$509K - Sep 4, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect759 shares at avg. $79.96$61K - Sep 4, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect18 shares at avg. $79.96$1K - Sep 4, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect912 shares at avg. $79.96$73K - Sep 3, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect2.3K shares at avg. $79.98$187K - Sep 3, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect2.8K shares at avg. $79.98$225K - Sep 3, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect54 shares at avg. $79.98$4K - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect2 shares at avg. $80.98$161.96 - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect9 shares at avg. $80.98$728.82 - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect10 shares at avg. $80.98$809.8 - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect511 shares at avg. $80.17$41K - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect22.1K shares at avg. $80.17$1.8M - Sep 2, 2026IRON
Disc Medicine, Inc.
Sale(S)Indirect26.5K shares at avg. $80.17$2.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 21, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 266 | $80.23 | $21,341 | Indirect |
| Oct 21, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 11,470 | $80.23 | $920,238 | Indirect |
| Oct 21, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 13,783 | $80.23 | $1,105,810 | Indirect |
| Oct 20, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 55 | $79.95 | $4,397 | Indirect |
| Oct 20, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 2,869 | $79.95 | $229,377 | Indirect |
| Oct 20, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 2,388 | $79.95 | $190,921 | Indirect |
| Oct 19, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 4,942 | $79.97 | $395,212 | Indirect |
| Oct 19, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 115 | $79.97 | $9,197 | Indirect |
| Oct 19, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 5,937 | $79.97 | $474,782 | Indirect |
| Sep 11, 2026 | IRON Disc Medicine, Inc. | Exercise(M) | 7,136 | $45.69 | $326,044 | Direct |
| Sep 11, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 27,136 | $70.11 | $1,902,505 | Direct |
| Sep 11, 2026 | IRON Disc Medicine, Inc. | Exercise(M) | 10,000 | $38.85 | $388,500 | Direct |
| Sep 11, 2026 | IRON Disc Medicine, Inc. | Exercise(M) | 10,000 | $50.86 | $508,600 | Direct |
| Sep 4, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 759 | $79.96 | $60,690 | Indirect |
| Sep 4, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 18 | $79.96 | $1,439 | Indirect |
| Sep 4, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 912 | $79.96 | $72,924 | Indirect |
| Sep 3, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 2,339 | $79.98 | $187,073 | Indirect |
| Sep 3, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 2,810 | $79.98 | $224,744 | Indirect |
| Sep 3, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 54 | $79.98 | $4,319 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 2 | $80.98 | $162 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 9 | $80.98 | $729 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 10 | $80.98 | $810 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 511 | $80.17 | $40,967 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 22,090 | $80.17 | $1,770,955 | Indirect |
| Sep 2, 2026 | IRON Disc Medicine, Inc. | Sale(S) | 26,542 | $80.17 | $2,127,872 | Indirect |
1-25 of 85 transactions
About Bitterman Kevin
Bitterman Kevin (SEC CIK 0001591747) files insider reports with the SEC as Director of Disc Medicine, Inc. (IRON).
Signal8 holds 16 ownership filings by Bitterman Kevin, all Form 4s, filed between Jun 13, 2025 and Oct 21, 2026. Those filings report 85 transactions, from Jun 11, 2025 to Oct 21, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Bitterman Kevin's filings is in WATERTOWN, MA.
Recent filings by Bitterman Kevin
- Oct 21, 2026: Open-market sales of IRON shares (3 lines, Form 4, code S).
- Oct 20, 2026: Open-market sales of IRON shares (3 lines, Form 4, code S).
- Oct 19, 2026: Open-market sales of IRON shares (3 lines, Form 4, code S).
- Sep 11, 2026: Option exercise of IRON shares (Form 4, code M).
- Sep 11, 2026: Open-market sale of IRON shares (Form 4, code S).
Other insiders filing for Disc Medicine, Inc. (IRON)
- Quisel John D, Chief Executive Officer
- Yu Jonathan Yen-Wen, Chief Operating Officer
- Khara Rahul, Chief Legal Officer
- White William Richard, Director
- Ratcliffe Liam, Director
- Nicholson Donald William, Director