IRON
Disc Medicine, Inc.
Latest Form 4:Sale$25KbyYu Jonathan Yen-Wen (Chief Operating Officer) · filed Aug 27, 2026
Disc Medicine, Inc. (IRON) has 41 SEC Form 4 filings (132 transaction rows) in the rolling window, disclosed by 8 distinct insiders. Most recent filing: Aug 27, 2026.
The most active filer is Chief Operating Officer Yu Jonathan Yen-Wen with 9 filings. Insiders have net sold $12.8M over the trailing 6 months.
- Industry:Biotechnology
- CEO:John D. Quisel
- Employees:94
- HQ:Watertown, MA, US
- IPO:2020-08-12
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$112.7M
reported sales (SEC code S)
Unique Insiders
8
in the rolling window
Market Cap
$3.1B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Chief Operating Officer | Sale | 300 | $25K | Aug 27 | SEC ↗ | |
| Chief Operating Officer | Sale | 8,796 | $731K | Aug 27 | SEC ↗ | |
| Chief Executive Officer | Sale | 33,000 | $2.6M | Aug 18 | SEC ↗ | |
| Chief Operating Officer | Sale | 804 | $66K | Aug 14 | SEC ↗ | |
| Chief Legal Officer | Sale | 5,000 | $400K | Aug 7 | SEC ↗ | |
| Chief Executive Officer | Sale | 33,000 | $2.5M | Jul 14 | SEC ↗ | |
| Chief Operating Officer | Sale | 100 | $8K | Jul 9 | SEC ↗ | |
| Chief Legal Officer | Sale | 851 | $64K | Jun 30 | SEC ↗ | |
| Chief Legal Officer | Sale | 1,649 | $124K | Jun 30 | SEC ↗ | |
| Chief Operating Officer | Sale | 300 | $22K | Jun 30 | SEC ↗ | |
| Chief Operating Officer | Sale | 9,700 | $705K | Jun 25 | SEC ↗ | |
Khara RahulFirst in 4 months | Chief Legal Officer | Sale | 7,500 | $527K | Jun 23 | SEC ↗ |
Quisel John DFirst in 4 months | Chief Executive Officer | Sale | 34,000 | $2.4M | Jun 23 | SEC ↗ |
Yu Jonathan Yen-WenFirst in 4 months | Chief Operating Officer | Sale | 18,612 | $1.3M | Jun 18 | SEC ↗ |
| Chief Medical Officer | Sale | 5,731 | $380K | Apr 15 | SEC ↗ | |
| Chief Financial Officer | Sale | 400 | $28K | Apr 15 | SEC ↗ | |
| Chief Financial Officer | Sale | 6,257 | $433K | Apr 15 | SEC ↗ | |
| Chief Medical Officer | Sale | 7,378 | $486K | Mar 4 | SEC ↗ | |
| Chief Financial Officer | Sale | 353 | $24K | Feb 27 | SEC ↗ | |
Franchi Jean M.First filing | Chief Financial Officer | Sale | 4,075 | $256K | Feb 19 | SEC ↗ |
Franchi Jean M.First filing | Chief Financial Officer | Sale | 7,081 | $464K | Feb 19 | SEC ↗ |
Stephenson PamelaFirst filing | Chief Commercial Officer | Sale | 5,531 | $348K | Feb 17 | SEC ↗ |
| Chief Medical Officer | Sale | 3,256 | $205K | Feb 17 | SEC ↗ | |
Yu Jonathan Yen-WenFirst in 3 months | Chief Operating Officer | Sale | 3,231 | $203K | Feb 17 | SEC ↗ |
| Chief Legal Officer | Sale | 2,853 | $179K | Feb 17 | SEC ↗ | |
| Chief Executive Officer | Sale | 13,264 | $834K | Feb 17 | SEC ↗ | |
| Chief Legal Officer | Sale | 1,000 | $70K | Jan 21 | SEC ↗ | |
Khara RahulFirst filing | Chief Legal Officer | Sale | 6,500 | $511K | Jan 5 | SEC ↗ |
| Director | Sale | 754 | $69K | Dec 18 | SEC ↗ | |
| Director | Sale | 45,507 | $4.2M | Dec 16 | SEC ↗ | |
| Director | Sale | 69,693 | $6.4M | Dec 16 | SEC ↗ | |
| Director | Sale | 68,923 | $6.3M | Dec 16 | SEC ↗ | |
Savage William JacobFirst filing | Chief Medical Officer | Sale | 13,093 | $1.2M | Dec 16 | SEC ↗ |
Quisel John DFirst filing | Chief Executive Officer | Sale | 40,000 | $3.7M | Dec 15 | SEC ↗ |
Yu Jonathan Yen-WenFirst filing | Chief Operating Officer | Sale | 30,000 | $2.5M | Nov 13 | SEC ↗ |
AI DMI LLCFirst filing | 10% Owner | Sale | 744,047 | $59.9M | Oct 24 | SEC ↗ |
| Insider | Sale | 22,160 | $1.7M | Oct 17 | SEC ↗ | |
| Insider | Sale | 1,425 | $110K | Oct 17 | SEC ↗ | |
| Insider | Sale | 50,160 | $4.5M | Oct 17 | SEC ↗ | |
Bitterman KevinFirst filing | Director | Sale | 18,039 | $1.2M | Oct 9 | SEC ↗ |
Bitterman KevinFirst filing | Director | Sale | 71,961 | $5.1M | Oct 9 | SEC ↗ |
Related companies
Disc Medicine, Inc. is in the Healthcare sector.