CIK 0001816736 · Large accelerated filer
Disc Medicine, Inc.
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- IRON
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 851612845
- Phone
- (617) 674-9274
- Business address
- 321 ARSENAL STREET, SUITE 101, WATERTOWN, MA, 02472
- Former names
- Gemini Therapeutics, Inc. /DE, FS Development Corp.
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $14,489,047
- in 7 filings, $12.6M under 10b5-1 plans
Net −$14,489,047. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-17 | Quisel John D Chief Executive Officer | Option exercise 10b5-1 | +33,000 | $13.50 | $446K | 259,064 |
| 2026-08-17 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −8,400 | $78.11 | $656K | 250,664 |
| 2026-08-17 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −12,712 | $79.20 | $1.0M | 237,952 |
| 2026-08-17 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −11,888 | $79.84 | $949K | 226,064 |
| 2026-08-17 | Quisel John D Chief Executive Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −33,000 | 91,586 | ||
| 2026-08-12 | Yu Jonathan Yen-Wen Chief Operating Officer | Option exercise 10b5-1 | +804 | $13.50 | $11K | 55,128 |
| 2026-08-12 | Yu Jonathan Yen-Wen Chief Operating Officer | Sale 10b5-1 | −804 | $82.64 | $66K | 54,324 |
| 2026-08-12 | Yu Jonathan Yen-Wen Chief Operating Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −804 | 22,943 | ||
| 2026-08-06 | Khara Rahul Chief Legal Officer | Option exercise 10b5-1 | +5,000 | $14.69 | $73K | 57,324 |
| 2026-08-06 | Khara Rahul Chief Legal Officer | Sale 10b5-1 | −5,000 | $80.00 | $400K | 52,324 |
| 2026-08-06 | Khara Rahul Chief Legal Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −5,000 | 49,804 | ||
| 2026-07-13 | Quisel John D Chief Executive Officer | Option exercise 10b5-1 | +25,584 | $9.86 | $252K | 251,648 |
| 2026-07-13 | Quisel John D Chief Executive Officer | Option exercise 10b5-1 | +7,416 | $13.50 | $100K | 259,064 |
| 2026-07-13 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −9,704 | $74.27 | $721K | 249,360 |
| 2026-07-13 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −16,896 | $74.95 | $1.3M | 232,464 |
| 2026-07-13 | Quisel John D Chief Executive Officer | Sale 10b5-1 | −6,400 | $76.05 | $487K | 226,064 |
| 2026-07-13 | Quisel John D Chief Executive Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −25,584 | 15,791 | ||
| 2026-07-13 | Quisel John D Chief Executive Officer | Option exercise · Stock Option (Right to Buy) 10b5-1 | −7,416 | 124,586 | ||
| 2026-07-07 | Yu Jonathan Yen-Wen Chief Operating Officer | Option exercise 10b5-1 | +100 | $13.50 | $1K | 54,424 |
| 2026-07-07 | Yu Jonathan Yen-Wen Chief Operating Officer | Sale 10b5-1 | −100 | $82.50 | $8K | 54,324 |
Page 3 of 17 · 337 trades