MetaCap

Disc Medicine Insider Trades

NASDAQ: IRONHealth CareBiotechnology: Pharmaceutical PreparationsUSD

62.06+1.29 (+2.12%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
55 · $21.75M
Shares bought / sold
0 / 297.34K
Net activity
Net selling $21.7 million

Disc Medicine insider activity

Over the last 12 months, Disc Medicine insiders reported 82 transactions on SEC Form 4: 0 open-market purchases and 55 sales. Insiders bought $0 and sold $21.7 million worth of stock, for net insider selling of $21.7 million. The largest seller was Quisel John D, with $8.3 million in reported sales.

The most recent filing shows Quisel John D (Chief Executive Officer) reporting a transaction in 36,000 shares at $1.01 on Sep 15, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put IRON's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

IRON insider transactions

Disc Medicine insider transactions
DateInsiderTypeSharesValueFiling
Sep 15, 2026Quisel John DChief Executive OfficerOption exercise36,000$36.36KForm 4
Sep 11, 2026Bitterman KevinDirectorSale27,136$1.90MForm 4
Sep 11, 2026Bitterman KevinDirectorOption exercise10,000$508.60KForm 4
Sep 11, 2026Bitterman KevinDirectorOption exercise10,000$388.50KForm 4
Sep 11, 2026Bitterman KevinDirectorOption exercise7,136$326.04KForm 4
Sep 4, 2026Bitterman KevinDirectorSale18$1.44KForm 4
Sep 4, 2026Bitterman KevinDirectorSale759$60.69KForm 4
Sep 4, 2026Bitterman KevinDirectorSale912$72.92KForm 4
Sep 3, 2026Bitterman KevinDirectorSale54$4.32KForm 4
Sep 3, 2026Bitterman KevinDirectorSale2,339$187.07KForm 4
Sep 3, 2026Bitterman KevinDirectorSale2,810$224.74KForm 4
Sep 2, 2026Bitterman KevinDirectorSale2$161.96Form 4
Sep 2, 2026Bitterman KevinDirectorSale9$728.82Form 4
Sep 2, 2026Bitterman KevinDirectorSale10$809.80Form 4
Sep 2, 2026Bitterman KevinDirectorSale511$40.97KForm 4
Sep 2, 2026Bitterman KevinDirectorSale22,090$1.77MForm 4
Sep 2, 2026Bitterman KevinDirectorSale26,542$2.13MForm 4
Sep 1, 2026Bitterman KevinDirectorSale1$79.95Form 4
Sep 1, 2026Bitterman KevinDirectorSale58$4.64KForm 4
Sep 1, 2026Bitterman KevinDirectorSale70$5.60KForm 4
Aug 25, 2026Yu Jonathan Yen-WenChief Operating OfficerSale8,796$731.09KForm 4
Aug 25, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise8,796$118.75KForm 4
Aug 24, 2026Yu Jonathan Yen-WenChief Operating OfficerSale300$24.76KForm 4
Aug 24, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise300$4.05KForm 4
Aug 17, 2026Quisel John DChief Executive OfficerSale11,888$949.16KForm 4
Aug 17, 2026Quisel John DChief Executive OfficerSale12,712$1.01MForm 4
Aug 17, 2026Quisel John DChief Executive OfficerSale8,400$656.09KForm 4
Aug 17, 2026Quisel John DChief Executive OfficerOption exercise33,000$445.50KForm 4
Aug 12, 2026Yu Jonathan Yen-WenChief Operating OfficerSale804$66.44KForm 4
Aug 12, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise804$10.85KForm 4
Aug 6, 2026Khara RahulChief Legal OfficerSale5,000$400.00KForm 4
Aug 6, 2026Khara RahulChief Legal OfficerOption exercise5,000$73.45KForm 4
Jul 13, 2026Quisel John DChief Executive OfficerSale6,400$486.73KForm 4
Jul 13, 2026Quisel John DChief Executive OfficerSale16,896$1.27MForm 4
Jul 13, 2026Quisel John DChief Executive OfficerSale9,704$720.74KForm 4
Jul 13, 2026Quisel John DChief Executive OfficerOption exercise7,416$100.12KForm 4
Jul 13, 2026Quisel John DChief Executive OfficerOption exercise25,584$252.26KForm 4
Jul 7, 2026Yu Jonathan Yen-WenChief Operating OfficerSale100$8.25KForm 4
Jul 7, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise100$1.35KForm 4
Jun 29, 2026Khara RahulChief Legal OfficerSale1,649$123.67KForm 4
Jun 29, 2026Khara RahulChief Legal OfficerOption exercise1,649$24.22KForm 4
Jun 26, 2026Yu Jonathan Yen-WenChief Operating OfficerSale300$21.75KForm 4
Jun 26, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise300$4.05KForm 4
Jun 26, 2026Khara RahulChief Legal OfficerSale851$63.83KForm 4
Jun 26, 2026Khara RahulChief Legal OfficerOption exercise851$12.50KForm 4
Jun 22, 2026Yu Jonathan Yen-WenChief Operating OfficerSale9,700$704.80KForm 4
Jun 22, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise9,700$130.95KForm 4
Jun 18, 2026Quisel John DChief Executive OfficerSale1,551$111.07KForm 4
Jun 18, 2026Quisel John DChief Executive OfficerSale9,522$673.21KForm 4
Jun 18, 2026Quisel John DChief Executive OfficerSale22,927$1.60MForm 4
Jun 18, 2026Quisel John DChief Executive OfficerOption exercise34,000$335.24KForm 4
Jun 18, 2026Khara RahulChief Legal OfficerSale500$35.81KForm 4
Jun 18, 2026Khara RahulChief Legal OfficerSale1,600$113.16KForm 4
Jun 18, 2026Khara RahulChief Legal OfficerSale5,400$377.69KForm 4
Jun 18, 2026Khara RahulChief Legal OfficerOption exercise7,500$110.17KForm 4
Jun 16, 2026Yu Jonathan Yen-WenChief Operating OfficerSale6,961$486.70KForm 4
Jun 16, 2026Yu Jonathan Yen-WenChief Operating OfficerSale11,651$801.10KForm 4
Jun 16, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise13,351$131.64KForm 4
Jun 16, 2026Yu Jonathan Yen-WenChief Operating OfficerOption exercise5,261$51.87KForm 4
Apr 14, 2026Franchi Jean M.Chief Financial OfficerSale6,257$433.23KForm 4
Apr 13, 2026Franchi Jean M.Chief Financial OfficerSale400$27.60KForm 4
Apr 13, 2026Savage William JacobChief Medical OfficerSale2,200$146.98KForm 4
Apr 13, 2026Savage William JacobChief Medical OfficerSale3,531$233.47KForm 4
Mar 2, 2026Savage William JacobChief Medical OfficerSale2,986$198.30KForm 4
Mar 2, 2026Savage William JacobChief Medical OfficerSale4,392$287.77KForm 4
Feb 25, 2026Franchi Jean M.Chief Financial OfficerSale353$24.38KForm 4
Feb 18, 2026Franchi Jean M.Chief Financial OfficerSale3,684$242.73KForm 4
Feb 18, 2026Franchi Jean M.Chief Financial OfficerSale3,397$220.84KForm 4
Feb 17, 2026Quisel John DChief Executive OfficerSale13,264$833.78KForm 4
Feb 17, 2026Yu Jonathan Yen-WenChief Operating OfficerSale3,231$203.10KForm 4
Feb 17, 2026Stephenson PamelaChief Commercial OfficerSale5,531$347.68KForm 4
Feb 17, 2026Savage William JacobChief Medical OfficerSale3,256$204.67KForm 4
Feb 17, 2026Khara RahulChief Legal OfficerSale2,853$179.34KForm 4
Feb 17, 2026Franchi Jean M.Chief Financial OfficerSale4,075$256.15KForm 4
Feb 10, 2026Franchi Jean M.Chief Financial OfficerAward19,000—Form 4
Feb 10, 2026Yu Jonathan Yen-WenChief Operating OfficerAward17,000—Form 4
Feb 10, 2026Savage William JacobChief Medical OfficerAward17,000—Form 4
Feb 10, 2026Quisel John DChief Executive OfficerAward55,200—Form 4
Feb 10, 2026Stephenson PamelaChief Commercial OfficerAward17,000—Form 4
Feb 10, 2026Khara RahulChief Legal OfficerAward17,000—Form 4
Jan 20, 2026Khara RahulChief Legal OfficerSale1,000$69.74KForm 4
Jan 20, 2026Khara RahulChief Legal OfficerOption exercise1,000$13.50KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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