IRON insider transaction filings

Disc Medicine, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-18. Screen IRON transaction legs live →

FiledFormInsiderReported transactionsSource
2026-08-184Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 33,000 @ $13.50 · Sale (S): 8,400 @ $78.11 · Sale (S): 12,712 @ $79.20 · Sale (S): 11,888 @ $79.84 · Option exercise (M): 33,000 (derivative) @ $0EDGAR
2026-08-144Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 804 @ $13.50 · Sale (S): 804 @ $82.64 · Option exercise (M): 804 (derivative) @ $0EDGAR
2026-08-074Khara Rahul — Chief Legal OfficerOption exercise (M): 5,000 @ $14.69 · Sale (S): 5,000 @ $80 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-07-144Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 25,584 @ $9.86 · Option exercise (M): 7,416 @ $13.50 · Sale (S): 9,704 @ $74.27 · Sale (S): 16,896 @ $74.95 · Sale (S): 6,400 @ $76.05 · Option exercise (M): 25,584 (derivative) @ $0 · +1 moreEDGAR
2026-07-094Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 100 @ $13.50 · Sale (S): 100 @ $82.50 · Option exercise (M): 100 (derivative) @ $0EDGAR
2026-06-304Khara Rahul — Chief Legal OfficerOption exercise (M): 851 @ $14.69 · Sale (S): 851 @ $75 · Option exercise (M): 1,649 @ $14.69 · Sale (S): 1,649 @ $75 · Option exercise (M): 851 (derivative) @ $0 · Option exercise (M): 1,649 (derivative) @ $0EDGAR
2026-06-304Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 300 @ $13.50 · Sale (S): 300 @ $72.50 · Option exercise (M): 300 (derivative) @ $0EDGAR
2026-06-244Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 9,700 @ $13.50 · Sale (S): 9,700 @ $72.66 · Option exercise (M): 9,700 (derivative) @ $0EDGAR
2026-06-234Khara Rahul — Chief Legal OfficerOption exercise (M): 7,500 @ $14.69 · Sale (S): 5,400 @ $69.94 · Sale (S): 1,600 @ $70.73 · Sale (S): 500 @ $71.62 · Option exercise (M): 7,500 (derivative) @ $0EDGAR
2026-06-234Nicholson Donald William — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-234White William Richard — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-234Chin Mark — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-234AHMED NADIM — DirectorGrant/award (A): 5,176 (derivative) @ $0EDGAR
2026-06-234Bitterman Kevin — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-234Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 34,000 @ $9.86 · Sale (S): 22,927 @ $69.92 · Sale (S): 9,522 @ $70.70 · Sale (S): 1,551 @ $71.61 · Option exercise (M): 34,000 (derivative) @ $0EDGAR
2026-06-234Ratcliffe Liam — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-234GEMAYEL GEORGES — DirectorGrant/award (A): 6,212 (derivative) @ $0EDGAR
2026-06-184Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 5,261 @ $9.86 · Option exercise (M): 13,351 @ $9.86 · Sale (S): 11,651 @ $68.76 · Sale (S): 6,961 @ $69.92 · Option exercise (M): 5,261 (derivative) @ $0 · Option exercise (M): 13,351 (derivative) @ $0EDGAR
2026-04-154Savage William Jacob — Chief Medical OfficerSale (S): 3,531 @ $66.12 · Sale (S): 2,200 @ $66.81EDGAR
2026-04-154Franchi Jean M. — Chief Financial OfficerSale (S): 400 @ $69 · Sale (S): 6,257 @ $69.24EDGAR
2026-03-044Savage William Jacob — Chief Medical OfficerSale (S): 4,392 @ $65.52 · Sale (S): 2,986 @ $66.41EDGAR
2026-02-274Franchi Jean M. — Chief Financial OfficerSale (S): 353 @ $69.06EDGAR
2026-02-194Franchi Jean M. — Chief Financial OfficerSale (S): 4,075 @ $62.86 · Sale (S): 3,397 @ $65.01 · Sale (S): 3,684 @ $65.89EDGAR
2026-02-174Khara Rahul — Chief Legal OfficerSale (S): 2,853 @ $62.86EDGAR
2026-02-174Savage William Jacob — Chief Medical OfficerSale (S): 3,256 @ $62.86EDGAR
2026-02-174Yu Jonathan Yen-Wen — Chief Operating OfficerSale (S): 3,231 @ $62.86EDGAR
2026-02-174Stephenson Pamela — Chief Commercial OfficerSale (S): 5,531 @ $62.86EDGAR
2026-02-174Quisel John D — Chief Executive Officer, DirectorSale (S): 13,264 @ $62.86EDGAR
2026-02-114Khara Rahul — Chief Legal OfficerGrant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0EDGAR
2026-02-114Savage William Jacob — Chief Medical OfficerGrant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0EDGAR
2026-02-114Yu Jonathan Yen-Wen — Chief Operating OfficerGrant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0EDGAR
2026-02-114Stephenson Pamela — Chief Commercial OfficerGrant/award (A): 17,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0EDGAR
2026-02-114Franchi Jean M. — Chief Financial OfficerGrant/award (A): 19,000 @ $0 · Grant/award (A): 25,500 (derivative) @ $0EDGAR
2026-02-114Quisel John D — Chief Executive Officer, DirectorGrant/award (A): 55,200 @ $0 · Grant/award (A): 82,800 (derivative) @ $0EDGAR
2026-01-214Khara Rahul — Chief Legal OfficerOption exercise (M): 1,000 @ $13.50 · Sale (S): 1,000 @ $69.74 · Option exercise (M): 1,000 (derivative) @ $0EDGAR
2026-01-054Khara Rahul — Chief Legal OfficerOption exercise (M): 6,500 @ $13.50 · Sale (S): 350 @ $77.67 · Sale (S): 4,993 @ $78.62 · Sale (S): 1,157 @ $79.27 · Option exercise (M): 6,500 (derivative) @ $0EDGAR
2025-12-294Savage William Jacob — Chief Medical OfficerOption exercise (M): 2,825 @ $9.86 · Option exercise (M): 219 @ $9.86 · Option exercise (M): 99 @ $13.50 · Option exercise (M): 2,825 (derivative) @ $0 · Option exercise (M): 219 (derivative) @ $0 · Option exercise (M): 99 (derivative) @ $0EDGAR
2025-12-194Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 12,300 @ $1.01 · Option exercise (M): 12,300 (derivative) @ $0EDGAR
2025-12-184Bitterman Kevin — DirectorSale (S): 393 @ $91.47 · Sale (S): 213 @ $91.47 · Sale (S): 148 @ $91.47EDGAR
2025-12-164Savage William Jacob — Chief Medical OfficerSale (S): 3,642 @ $90.60 · Sale (S): 9,151 @ $91.44 · Sale (S): 300 @ $92.23EDGAR
2025-12-164Bitterman Kevin — DirectorSale (S): 16,403 @ $92.05 · Sale (S): 3,852 @ $92.58 · Sale (S): 3,446 @ $93.80 · Sale (S): 8,527 @ $92.05 · Sale (S): 2,005 @ $92.58 · Sale (S): 1,793 @ $93.80 · +15 moreEDGAR
2025-12-154Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 40,000 @ $9.86 · Sale (S): 2,419 @ $90.97 · Sale (S): 4,337 @ $92.21 · Sale (S): 16,356 @ $92.96 · Sale (S): 16,888 @ $93.65 · Option exercise (M): 40,000 (derivative) @ $0EDGAR
2025-11-134Yu Jonathan Yen-Wen — Chief Operating OfficerOption exercise (M): 30,000 @ $2.65 · Sale (S): 8,015 @ $83.15 · Sale (S): 4,585 @ $83.99 · Sale (S): 9,360 @ $85.33 · Sale (S): 8,040 @ $85.91 · Option exercise (M): 30,000 (derivative) @ $0EDGAR
2025-10-244AI DMI LLC — 10% owner
Access Industries Holdings LLC — 10% owner
ACCESS INDUSTRIES MANAGEMENT, LLC — 10% owner
Blavatnik Len — 10% owner
Sale (S): 744,047 @ $80.47EDGAR
2025-10-174Bitterman Kevin — DirectorSale (S): 19,542 @ $77.16 · Sale (S): 2,618 @ $77.76 · Sale (S): 1,425 @ $77.11 · Sale (S): 1,125 @ $84.89 · Sale (S): 1,125 @ $84.89 · Sale (S): 3,000 @ $86.13 · +11 moreEDGAR
2025-10-094Bitterman Kevin — DirectorSale (S): 11,378 @ $68.01 · Sale (S): 6,661 @ $69.01 · Sale (S): 8,219 @ $68.26 · Sale (S): 12,386 @ $69.31 · Sale (S): 25,400 @ $70.54 · Sale (S): 12,689 @ $71.51 · +1 moreEDGAR
2025-09-184GEMAYEL GEORGES — DirectorGrant/award (A): 1,000 (derivative) @ $0EDGAR
2025-09-114Quisel John D — Chief Executive Officer, DirectorOption exercise (M): 10,000 @ $1.01 · Option exercise (M): 10,000 (derivative) @ $0EDGAR
2025-08-264Bitterman Kevin — DirectorSale (S): 2,287 @ $61.03EDGAR
2025-08-154Bitterman Kevin — DirectorSale (S): 24,962 @ $61.15 · Sale (S): 7,212 @ $60.99EDGAR

Recent 8-K events — Disc Medicine, Inc.

FiledFormItems reportedSource
2026-07-308-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-308-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
EDGAR
2026-06-248-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-058-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-278-K?EDGAR
2026-02-268-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-178-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-138-K7.01 — Regulation FD Disclosure
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-01-128-K2.02 — Results of Operations and Financial Condition
7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2025-12-088-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
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