Dianthus Therapeutics's top three insider shareholders as of March 23, 2026 are Rock Ventures Iv, L.P. Third (TenPercentOwner, 3.06Mn shares), Lei Meng (Director, 2.72Mn shares), Leon O Jr Moulder (Director, 1.44Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rock Ventures Iv, L.P. Third | 3,058,204 | 0 | 09 Feb, 2023 | |
| Leon O Jr Moulder | 0 | 1,436,745 | 24 Jan, 2024 | |
| Marino Garcia | Ceo And President | 65,292 | 0 | 17 Mar, 2026 |
| Kristen Stants | Chief People Officer | 20,264 | 0 | 02 Dec, 2022 |
| Stephen F. Mahoney | See Remarks | 17,264 | 0 | 02 Dec, 2022 |
| David Wayne Nichols | Chief Technical Officer | 14,306 | 0 | 20 Sep, 2021 |
| Lisa Olson | See Remarks | 14,264 | 0 | 20 Sep, 2021 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 16 Mar, 2026 | Marino Garcia | Common Stock | A | 59,700 | $6.70 | 59,700 | D | M |
| 16 Mar, 2026 | Marino Garcia | Common Stock | A | 5,592 | $17.88 | 65,292 | D | M |
| 16 Mar, 2026 | Marino Garcia | Stock Option (Right to Buy) | D | 59,700 | $0.00 | 41 | D | M |
| 16 Mar, 2026 | Marino Garcia | Stock Option (Right to Buy) | D | 5,592 | $0.00 | 269,408 | D | M |
| 12 Mar, 2026 | Marino Garcia | Common Stock | A | 122,918 | $6.70 | 122,918 | D | M |
| 12 Mar, 2026 | Simrat Randhawa | Common Stock | A | 7,998 | $8.44 | 7,998 | D | M |
| 12 Mar, 2026 | Edward Carr | Common Stock | A | 16,182 | $17.88 | 16,182 | D | M |
| 12 Mar, 2026 | Edward Carr | Common Stock | A | 17,500 | $22.07 | 33,682 | D | M |
| 12 Mar, 2026 | Simrat Randhawa | Common Stock | A | 5,000 | $17.88 | 12,998 | D | M |
| 12 Mar, 2026 | Marino Garcia | Common Stock | D | 43,505 | $80.69 | 79,413 | D | S |
| 12 Mar, 2026 | Marino Garcia | Common Stock | D | 65,517 | $81.74 | 13,896 | D | S |
| 12 Mar, 2026 | Simrat Randhawa | Common Stock | A | 8,332 | $21.77 | 21,330 | D | M |
| 12 Mar, 2026 | Edward Carr | Common Stock | A | 10,000 | $21.77 | 43,682 | D | M |
| 12 Mar, 2026 | Simrat Randhawa | Common Stock | A | 12,500 | $22.07 | 33,830 | D | M |
| 12 Mar, 2026 | Edward Carr | Common Stock | D | 15,852 | $80.71 | 27,830 | D | S |
| 12 Mar, 2026 | Marino Garcia | Common Stock | D | 12,796 | $82.60 | 1,100 | D | S |
| 12 Mar, 2026 | Edward Carr | Common Stock | D | 23,465 | $81.75 | 4,365 | D | S |
| 12 Mar, 2026 | Simrat Randhawa | Common Stock | D | 33,830 | $81.48 | 0 | D | S |
| 12 Mar, 2026 | Marino Garcia | Common Stock | D | 200 | $83.38 | 900 | D | S |
| 12 Mar, 2026 | Marino Garcia | Common Stock | D | 900 | $85.53 | 0 | D | S |