SEC Insider Transactions from Bitterman Kevin.

Last updated: 2026-03-14 11:41 UTC | Total transactions: 77

Bitterman Kevin sold Disc Medicine Inc ($IRON) shares on the open market 54 times over the past year, totaling $36.6 million. His most recent sale occurred on December 17, 2025. These sales rank him 415th among 11,678 insiders by total value sold, well above the average of $8.6 million per insider and 6 transactions. 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
Dec. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 393 $91.47 349,210.0000 37,750,162 0.11% 0.00%
Dec. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 148 $91.47 14,013.0000 37,750,162 1.05% 0.00%
Dec. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 213 $91.47 337,485.0000 37,750,162 0.06% 0.00%
Dec. 16, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 18666 $91.24 337,698.0000 37,750,162 5.24% 0.05%
Dec. 16, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 35898 $91.24 349,603.0000 37,750,162 9.31% 0.10%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 3446 $93.80 418,335.0000 37,750,162 0.82% 0.01%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 7000 $91.87 14,161.0000 37,750,162 33.08% 0.02%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director M Common Stock 7000 $13.50 21,161.0000 37,750,162 49.43% 0.02%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 1572 $92.01 28,520.0000 37,750,162 5.22% 0.00%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 11427 $91.18 30,092.0000 37,750,162 27.52% 0.03%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 2049 $92.01 356,364.0000 37,750,162 0.57% 0.01%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 14811 $91.18 358,413.0000 37,750,162 3.97% 0.04%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 3921 $92.01 385,501.0000 37,750,162 1.01% 0.01%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 28913 $91.18 389,422.0000 37,750,162 6.91% 0.08%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 1371 $93.80 41,519.0000 37,750,162 3.20% 0.00%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 3852 $92.58 421,781.0000 37,750,162 0.91% 0.01%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 16403 $92.05 425,633.0000 37,750,162 3.71% 0.04%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 1540 $92.58 42,890.0000 37,750,162 3.47% 0.00%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 6570 $92.05 44,430.0000 37,750,162 12.88% 0.02%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 1793 $93.80 373,224.0000 37,750,162 0.48% 0.00%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 2005 $92.58 375,017.0000 37,750,162 0.53% 0.01%
Dec. 12, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 8527 $92.05 377,022.0000 37,750,162 2.21% 0.02%
Dec. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director M Stock Option (Right to Buy) 7000 $0.00 0.0000 37,750,162 100.00% 0.02%
Dec. 16, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 14359 $91.24 14,161.0000 37,750,162 50.35% 0.04%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 5066 $87.37 518,845.0000 34,569,042 0.97% 0.01%
Oct. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 19542 $77.16 532,079.0000 34,569,042 3.54% 0.06%
Oct. 15, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 2618 $77.76 529,461.0000 34,569,042 0.49% 0.01%
Oct. 16, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 1425 $77.11 528,036.0000 34,569,042 0.27% 0.00%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 1125 $84.89 526,911.0000 34,569,042 0.21% 0.00%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 1125 $84.89 470,424.0000 34,569,042 0.24% 0.00%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 3000 $86.13 523,911.0000 34,569,042 0.57% 0.01%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 3000 $86.13 467,424.0000 34,569,042 0.64% 0.01%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 5065 $87.37 462,359.0000 34,569,042 1.08% 0.01%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 13014 $88.91 505,831.0000 34,569,042 2.51% 0.04%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 13014 $88.91 449,345.0000 34,569,042 2.81% 0.04%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 2251 $89.70 503,580.0000 34,569,042 0.45% 0.01%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 2251 $89.70 447,094.0000 34,569,042 0.50% 0.01%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 10094 $90.66 493,486.0000 34,569,042 2.00% 0.03%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 10095 $90.66 436,999.0000 34,569,042 2.26% 0.03%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 450 $91.88 493,036.0000 34,569,042 0.09% 0.00%
Oct. 17, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 450 $91.88 436,549.0000 34,569,042 0.10% 0.00%
Oct. 8, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 12689 $71.51 985,437.0000 34,569,042 1.27% 0.04%
Oct. 8, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 13267 $72.39 972,170.0000 34,569,042 1.35% 0.04%
Oct. 7, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 11378 $68.01 1,050,792.0000 34,569,042 1.07% 0.03%
Oct. 7, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 6661 $69.01 1,044,131.0000 34,569,042 0.63% 0.02%
Oct. 8, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 8219 $68.26 1,035,912.0000 34,569,042 0.79% 0.02%
Oct. 8, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 12386 $69.31 1,023,526.0000 34,569,042 1.20% 0.04%
Oct. 8, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 25400 $70.54 998,126.0000 34,569,042 2.48% 0.07%
Aug. 22, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 2287 $61.03 1,062,170.0000 34,569,042 0.21% 0.01%
Aug. 14, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 7212 $60.99 1,064,457.0000 34,569,042 0.67% 0.02%
Aug. 13, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 24962 $61.15 1,071,669.0000 34,569,042 2.28% 0.07%
Aug. 5, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 395 $60.95 1,096,631.0000 34,569,042 0.04% 0.00%
July 30, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 8492 $61.04 1,097,026.0000 34,569,042 0.77% 0.02%
July 23, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 29837 $60.97 1,118,551.0000 34,569,042 2.60% 0.09%
July 24, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 13033 $61.17 1,105,518.0000 34,569,042 1.17% 0.04%
July 18, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 664 $61.13 1,148,388.0000 34,569,042 0.06% 0.00%
June 11, 2025 Disc Medicine, Inc. $IRON Bitterman Kevin Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 34,569,042 9999.99% 0.03%
June 17, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Not found P Common Stock 222223 $36.00 1,149,052.0000 0 23.98% 0.00%
June 12, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Not found A Stock Option (Right to Buy) 10000 $0.00 10,000.0000 0 9999.99% 0.00%
March 5, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Not found S Common Stock 26157 $73.50 926,829.0000 0 2.74% 0.00%
Jan. 23, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 20000 $67.65 249,326.0000 0 7.43% 0.00%
Jan. 23, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 82500 $67.65 754,660.0000 0 9.85% 0.00%
Jan. 10, 2024 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 20000 $64.00 1,055,486.0000 0 1.86% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 665 $62.90 1,125,485.0000 0 0.06% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 422 $60.99 1,130,305.0000 0 0.04% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 4155 $62.42 1,126,150.0000 0 0.37% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 20823 $59.87 1,130,727.0000 0 1.81% 0.00%
Dec. 14, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 120 $59.74 1,075,486.0000 0 0.01% 0.00%
Dec. 14, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 20429 $58.27 1,075,606.0000 0 1.86% 0.00%
Dec. 13, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 40 $60.50 1,096,035.0000 0 0.00% 0.00%
Dec. 13, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 3508 $59.99 1,096,075.0000 0 0.32% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 6599 $65.77 1,099,583.0000 0 0.60% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 18615 $65.10 1,106,182.0000 0 1.65% 0.00%
Dec. 12, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 688 $63.78 1,124,797.0000 0 0.06% 0.00%
Aug. 15, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director S Common Stock 72931 $52.40 1,151,550.0000 0 5.96% 0.00%
June 9, 2023 Disc Medicine, Inc. $IRON Bitterman Kevin Director A Stock Option (Right to Buy) 7136 $0.00 7,136.0000 0 9999.99% 0.00%
Dec. 29, 2022 Disc Medicine, Inc. $IRON Bitterman Kevin Director A Stock Option (Right to Buy) 7000 $0.00 7,000.0000 0 9999.99% 0.00%