Yu Jonathan Yen-Wen, COO of Disc Medicine, Inc. ($IRON), sold shares on the open market five times over the past year, totaling $2.74 million. His most recent sale occurred on February 17, 2026. These sales rank 2,879th among 11,678 insiders in the database, where the average is $8.6 million across 6.4 transactions per insider. He made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 17, 2026 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 3231 | $62.86 | 54,324.0000 | 37,750,162 | 5.61% | 0.01% |
| Feb. 10, 2026 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | A | Common Stock | 17000 | $0.00 | 57,555.0000 | 37,750,162 | 41.92% | 0.05% |
| Feb. 10, 2026 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | A | Stock Option (Right to Buy) | 25500 | $0.00 | 25,500.0000 | 37,750,162 | 9999.99% | 0.07% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 4585 | $83.99 | 57,955.0000 | 37,750,162 | 7.33% | 0.01% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | M | Common Stock | 30000 | $2.65 | 70,555.0000 | 37,750,162 | 73.97% | 0.08% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 8015 | $83.15 | 62,540.0000 | 37,750,162 | 11.36% | 0.02% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 9360 | $85.33 | 48,595.0000 | 37,750,162 | 16.15% | 0.02% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 8040 | $85.91 | 40,555.0000 | 37,750,162 | 16.54% | 0.02% |
| Nov. 11, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | M | Stock Option (Right to Buy) | 30000 | $0.00 | 7,941.0000 | 37,750,162 | 79.07% | 0.08% |
| Feb. 18, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | S | Common Stock | 1610 | $54.58 | 40,555.0000 | 0 | 3.82% | 0.00% |
| Feb. 10, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | A | Stock Option (Right to Buy) | 36000 | $0.00 | 36,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 10, 2025 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Operating Officer | A | Common Stock | 24000 | $0.00 | 42,165.0000 | 0 | 132.12% | 0.00% |
| Jan. 10, 2024 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Business Officer | A | Stock Option (Right to Buy) | 27250 | $0.00 | 27,250.0000 | 0 | 9999.99% | 0.00% |
| Jan. 10, 2024 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Business Officer | A | Common Stock | 18165 | $0.00 | 18,165.0000 | 0 | 9999.99% | 0.00% |
| Dec. 29, 2022 | Disc Medicine, Inc. | $IRON | Yu Jonathan Yen-Wen | Chief Business Officer | A | Stock Option (Right to Buy) | 33847 | $0.00 | 33,847.0000 | 0 | 9999.99% | 0.00% |