Disc Medicine, Inc. (IRON) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 10, 2026, Disc Medicine's three dominant insider ownership positions are held by TenPercentOwner Dmi Llc Ai (2.81Mn shares), TenPercentOwner Venture Fund X, L.P. Atlas (1.60Mn shares), TenPercentOwner Holdings A/S Novo (1.09Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Braden Michael Leonard 524,750 27 Oct, 2022
Dmi Llc Ai 2,814,379 24 Oct, 2025
Venture Fund X, L.P. Atlas 1,600,512 25 Jan, 2024
Holdings A/S Novo 1,090,772 28 Jun, 2023
Advisors Llc Orbimed 186,541 20 Dec, 2023
Mona Ashiya 186,541 20 Dec, 2023
John D Quisel Chief Executive Officer 184,128 19 Dec, 2025
William Jacob Savage Chief Medical Officer 78,845 29 Dec, 2025
Pamela Stephenson Chief Commercial Officer 69,529 20 Feb, 2025
Jean M. Franchi Chief Financial Officer 63,499 18 Jul, 2025
Jonathan Yen-Wen Yu Chief Operating Officer 40,555 13 Nov, 2025
Rahul Khara Chief Legal Officer 37,793 05 Jan, 2026
Joanne Bryce Chief Financial Officer 23,665 01 Mar, 2024
Brian Piekos Cfo 1,762 02 Jun, 2022
Kevin Bitterman 14,013 16 Dec, 2025
Jason Patrick Meyenburg President & Ceo 1,300 18 May, 2021
Brian Richard Macdonald Chief Innovation Officer 12,276 30 Jun, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
02 Jan, 2026 Rahul Khara Common Stock D 4,993 $78.62 38,950 D S
02 Jan, 2026 Rahul Khara Common Stock A 6,500 $13.50 44,293 D M
02 Jan, 2026 Rahul Khara Common Stock D 350 $77.67 43,943 D S
02 Jan, 2026 Rahul Khara Common Stock D 1,157 $79.27 37,793 D S
22 Dec, 2025 William Jacob Savage Common Stock A 99 $13.50 78,845 D M
22 Dec, 2025 William Jacob Savage Common Stock A 2,825 $9.86 78,527 D M
22 Dec, 2025 William Jacob Savage Common Stock A 219 $9.86 78,746 D M
19 Dec, 2025 John D Quisel Common Stock A 12,300 $1.01 184,128 D M
17 Dec, 2025 Kevin Bitterman Common Stock D 213 $91.47 337,485 I S
17 Dec, 2025 Kevin Bitterman - - 14,013 I
17 Dec, 2025 Kevin Bitterman Common Stock D 148 $91.47 14,013 I S
17 Dec, 2025 Kevin Bitterman Common Stock D 393 $91.47 349,210 I S
16 Dec, 2025 Kevin Bitterman - - 337,698 I
16 Dec, 2025 Kevin Bitterman - - 14,161 I
16 Dec, 2025 Kevin Bitterman - - 349,603 I
16 Dec, 2025 Kevin Bitterman Common Stock D 14,359 $91.24 14,161 I S
16 Dec, 2025 Kevin Bitterman Common Stock D 18,666 $91.24 337,698 I S
16 Dec, 2025 Kevin Bitterman Common Stock D 35,898 $91.24 349,603 I S
15 Dec, 2025 Kevin Bitterman Common Stock A 7,000 $13.50 7,000 D M
15 Dec, 2025 Kevin Bitterman - - 7,000 D