SEC Insider Transactions from Yu Jonathan Yen-Wen.

Last updated: 2026-03-14 11:50 UTC | Total transactions: 15

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.

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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%