Disc Medicine's three largest insider shareholders as of June 18, 2026 are Dmi Llc Ai (TenPercentOwner, 2.81Mn shares), Venture Fund X, L.P. Atlas (TenPercentOwner, 1.60Mn shares), Holdings A/S Novo (TenPercentOwner, 1.09Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Advisors Llc Orbimed | - | 0 | 113,951 | 03 Jan, 2023 |
| Braden Michael Leonard | - | 0 | 500,000 | 13 Apr, 2022 |
| Holdings A/S Novo | - | 1,090,772 | 0 | 28 Jun, 2023 |
| John D Quisel | Chief Executive Officer | 226,064 | 0 | 17 Feb, 2026 |
| Kevin Bitterman | - | 0 | 14,013 | 18 Dec, 2025 |
| Venture Fund X, L.P. Atlas | - | 1,402,186 | 198,326 | 25 Jan, 2024 |
| Jean M. Franchi | Chief Financial Officer | 64,333 | 0 | 15 Apr, 2026 |
| Pamela Stephenson | Chief Commercial Officer | 80,998 | 0 | 17 Feb, 2026 |
| Mona Ashiya | - | 0 | 224,405 | 15 Dec, 2023 |
| Brian Piekos | Cfo | 1,762 | 0 | 02 Jun, 2022 |
| Dmi Llc Ai | - | 2,814,379 | 0 | 24 Oct, 2025 |
| Joanne Bryce | Chief Financial Officer | 23,665 | 0 | 01 Mar, 2024 |
| Jonathan Yen-Wen Yu | Chief Operating Officer | 54,324 | 0 | 17 Feb, 2026 |
| Rahul Khara | Chief Legal Officer | 52,173 | 0 | 17 Feb, 2026 |
| William Jacob Savage | Chief Medical Officer | 79,480 | 0 | 15 Apr, 2026 |
| 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 | William Jacob Savage | Common Stock | D | 3,531 | $66.12 | 81,680 | D | S |
| 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 |
| 13 Apr, 2026 | William Jacob Savage | Common Stock | D | 2,200 | $66.81 | 79,480 | D | S |
| 13 Apr, 2026 | William Jacob Savage | Common Stock | D | 2,200 | $66.81 | 79,480 | D | S |
| 14 Apr, 2026 | Jean M. Franchi | Common Stock | D | 6,257 | $69.24 | 64,333 | 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 | 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 |
| 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 | Jonathan Yen-Wen Yu | Common Stock | D | 3,231 | $62.86 | 54,324 | 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 |
| 17 Feb, 2026 | William Jacob Savage | Common Stock | D | 3,256 | $62.86 | 92,589 | D | S |