Disc Medicine's top three insider shareholders as of May 14, 2026 are Dmi Llc Ai (TenPercentOwner, 2.81Mn shares), Dmi Llc Ai (TenPercentOwner, 2.81Mn shares), Dmi Llc Ai (TenPercentOwner, 2.81Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Braden Michael Leonard | - | 0 | 500,000 | 13 Apr, 2022 |
| Braden Michael Leonard | - | 0 | 500,000 | 13 Apr, 2022 |
| Dmi Llc Ai | - | 2,814,379 | 0 | 24 Oct, 2025 |
| Dmi Llc Ai | - | 2,814,379 | 0 | 24 Oct, 2025 |
| Dmi Llc Ai | - | 2,814,379 | 0 | 24 Oct, 2025 |
| Dmi Llc Ai | - | 2,814,379 | 0 | 24 Oct, 2025 |
| Venture Fund X, L.P. Atlas | - | 1,402,186 | 198,326 | 25 Jan, 2024 |
| Holdings A/S Novo | - | 1,090,772 | 0 | 28 Jun, 2023 |
| Holdings A/S Novo | - | 1,090,772 | 0 | 28 Jun, 2023 |
| Venture Fund X, L.P. Atlas | - | 0 | 95,516 | 03 Jan, 2023 |
| Braden Michael Leonard | - | 24,750 | 0 | 27 Oct, 2022 |
| Braden Michael Leonard | - | 24,750 | 0 | 27 Oct, 2022 |
| John D Quisel | Chief Executive Officer | 226,064 | 0 | 17 Feb, 2026 |
| John D Quisel | Chief Executive Officer | 226,064 | 0 | 17 Feb, 2026 |
| Mona Ashiya | - | 0 | 224,405 | 15 Dec, 2023 |
| Mona Ashiya | - | 0 | 186,541 | 26 Mar, 2025 |
| William Jacob Savage | Chief Medical Officer | 85,211 | 0 | 04 Mar, 2026 |
| Pamela Stephenson | Chief Commercial Officer | 80,998 | 0 | 17 Feb, 2026 |
| Pamela Stephenson | Chief Commercial Officer | 80,998 | 0 | 17 Feb, 2026 |
| William Jacob Savage | Chief Medical Officer | 79,480 | 0 | 15 Apr, 2026 |
| Jean M. Franchi | Chief Financial Officer | 64,333 | 0 | 15 Apr, 2026 |
| Jonathan Yen-Wen Yu | Chief Operating Officer | 54,324 | 0 | 17 Feb, 2026 |
| Jonathan Yen-Wen Yu | Chief Operating Officer | 54,324 | 0 | 17 Feb, 2026 |
| Rahul Khara | Chief Legal Officer | 52,173 | 0 | 17 Feb, 2026 |
| Rahul Khara | Chief Legal Officer | 52,173 | 0 | 17 Feb, 2026 |
| Joanne Bryce | Chief Financial Officer | 23,665 | 0 | 01 Mar, 2024 |
| Brian Piekos | Cfo | 1,762 | 0 | 02 Jun, 2022 |
| Brian Piekos | Cfo | 1,762 | 0 | 02 Jun, 2022 |
| Kevin Bitterman | - | 0 | 14,013 | 18 Dec, 2025 |
| Brian Richard Macdonald | Chief Innovation Officer | 12,276 | 0 | 30 Jun, 2023 |
| Brian Richard Macdonald | Chief Innovation Officer | 12,276 | 0 | 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Apr, 2026 | Jean M. Franchi | Common Stock | D | 400 | $69.00 | 70,590 | D | S |
| 13 Apr, 2026 | William Jacob Savage | Common Stock | D | 3,531 | $66.12 | 81,680 | D | S |
| 14 Apr, 2026 | Jean M. Franchi | Common Stock | D | 6,257 | $69.24 | 64,333 | D | S |
| 13 Apr, 2026 | William Jacob Savage | Common Stock | D | 2,200 | $66.81 | 79,480 | D | S |
| 02 Mar, 2026 | William Jacob Savage | Common Stock | D | 4,392 | $65.52 | 88,197 | D | S |
| 02 Mar, 2026 | William Jacob Savage | Common Stock | D | 4,392 | $65.52 | 88,197 | D | S |
| 02 Mar, 2026 | William Jacob Savage | Common Stock | D | 2,986 | $66.41 | 85,211 | D | S |
| 02 Mar, 2026 | William Jacob Savage | Common Stock | D | 2,986 | $66.41 | 85,211 | D | S |
| 25 Feb, 2026 | Jean M. Franchi | Common Stock | D | 353 | $69.06 | 70,990 | D | S |
| 17 Feb, 2026 | Jean M. Franchi | Common Stock | D | 4,075 | $62.86 | 78,424 | D | S |
| 18 Feb, 2026 | Jean M. Franchi | Common Stock | D | 3,397 | $65.01 | 75,027 | D | S |
| 18 Feb, 2026 | Jean M. Franchi | Common Stock | D | 3,684 | $65.89 | 71,343 | D | S |
| 17 Feb, 2026 | Rahul Khara | Common Stock | D | 2,853 | $62.86 | 52,173 | D | S |
| 17 Feb, 2026 | Jonathan Yen-Wen Yu | Common Stock | D | 3,231 | $62.86 | 54,324 | D | S |
| 17 Feb, 2026 | William Jacob Savage | Common Stock | D | 3,256 | $62.86 | 92,589 | D | S |
| 17 Feb, 2026 | William Jacob Savage | Common Stock | D | 3,256 | $62.86 | 92,589 | D | S |
| 17 Feb, 2026 | John D Quisel | Common Stock | D | 13,264 | $62.86 | 226,064 | D | S |
| 17 Feb, 2026 | Pamela Stephenson | Common Stock | D | 5,531 | $62.86 | 80,998 | D | S |
| 17 Feb, 2026 | Rahul Khara | Common Stock | D | 2,853 | $62.86 | 52,173 | D | S |
| 17 Feb, 2026 | John D Quisel | Common Stock | D | 13,264 | $62.86 | 226,064 | D | S |