List of insiders holdings for Dianthus Therapeutics Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Fairmount Funds Management LLC Kiselak Tomas Director | 2025-11-25 21:00:22 | 2,139,635 0 | 2,139,635 | Form 13D |
| 2 | Fairmount Funds Management LLC Kiselak Tomas Harwin Peter Evan Director 10% Owner | 2025-11-25 21:00:22 | 2,139,635 0 | 2,139,635 | Form 13D |
| 3 | Meng Lei Avidity Partners Management LP Gregory Michael David Avidity Partners Management (GP) LLC Witzke David Roy Director | 2025-11-19 21:15:58 | 2,104,184 0 | 2,104,184 | Form 13D |
| 4 | Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC See remarks | 2020-07-13 19:05:53 | 1,250,000 0 | 1,250,000 | Form 3 |
| 5 | GARDNER JASON See Remarks | 2022-12-02 16:23:25 | 292,872 652,082 | 944,954 | Form 4 |
| 6 | Randhawa Simrat EVP, Head of R&D | 2025-11-14 21:00:06 | 389,907 0 | 389,907 | Form 4 |
| 7 | COOKE MICHAEL P. Chief Scientific Officer | 2019-12-02 20:29:40 | 240,523 0 | 240,523 | Form 4 |
| 8 | GV 2016 GP L.L.C. GV 2016 GP L.P. GV 2016 L.P. Alphabet Inc. 10% Owner | 2024-02-09 16:10:16 | 208,697 0 | 208,697 | Form 13G |
| 9 | Driscoll Cindy See Remarks | 2020-10-13 20:21:02 | 195,540 0 | 195,540 | Form 3 |
| 10 | Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC 10% Owner | 2023-09-15 16:56:22 | 186,089 0 | 186,089 | Form 13D |
| 11 | Atlas Venture Fund X L.P. 10% Owner | 2023-09-15 16:56:22 | 186,089 0 | 186,089 | Form 13D |
| 12 | Garcia Marino CEO AND PRESIDENT | 2025-10-03 19:00:04 | 120,000 0 | 120,000 | Form 4 |
| 13 | Veness Adam M SVP, General Counsel and Sec. | 2025-02-04 16:23:32 | 100,000 0 | 100,000 | Form 4 |
| 14 | Olson Lisa See Remarks | 2022-08-01 21:18:15 | 100,000 0 | 100,000 | Form 4 |
| 15 | Savitz Ryan CFO & CBO | 2025-12-05 20:00:04 | 84,766 0 | 84,766 | Form 4 |
| 16 | Ryan Jason See Remarks | 2020-02-12 17:15:05 | 75,000 0 | 75,000 | Form 4 |
| 17 | Nichols David Wayne Chief Technical Officer | 2022-08-01 21:13:26 | 75,000 0 | 75,000 | Form 4 |
| 18 | Humphrey Jeffrey Chief Medical Officer | 2022-08-01 21:14:49 | 75,000 0 | 75,000 | Form 4 |
| 19 | DAVIS JOHN C. JR See Remarks | 2021-02-16 17:48:52 | 72,500 0 | 72,500 | Form 4 |
| 20 | ZDRAVESKI ZORAN See Remarks | 2021-02-16 17:47:41 | 67,700 0 | 67,700 | Form 4 |
| 21 | CARR EDWARD CHIEF ACCOUNTING OFFICER | 2025-02-04 16:27:25 | 60,000 0 | 60,000 | Form 4 |
| 22 | ISACSON CHRISTINA K. Chief Business Officer | 2020-02-12 17:12:33 | 50,000 0 | 50,000 | Form 4 |
| 23 | VASCONCELLES MICHAEL Director | 2022-08-17 08:19:02 | 40,000 0 | 40,000 | Form 4 |
| 24 | Read Simon Director | 2025-05-22 16:40:11 | 25,000 0 | 25,000 | Form 4 |
| 25 | KANGO SUJAY Director | 2025-03-05 17:02:30 | 25,000 0 | 25,000 | Form 4 |
| 26 | Stants Kristen Chief People Officer | 2022-12-02 16:19:27 | 20,264 0 | 20,264 | Form 4 |
| 27 | Daniel Thomas O Director | 2022-06-30 18:37:25 | 20,000 0 | 20,000 | Form 4 |
| 28 | Albers Jeffrey W. Director | 2022-06-30 18:34:34 | 20,000 0 | 20,000 | Form 4 |
| 29 | RONNEBERG AMY L Director | 2022-06-30 18:34:43 | 20,000 0 | 20,000 | Form 4 |
| 30 | Booth Bruce Director | 2022-06-30 19:28:14 | 20,000 0 | 20,000 | Form 4 |
| 31 | Scadden David Director | 2022-06-30 18:33:55 | 20,000 0 | 20,000 | Form 4 |
| 32 | Beetham Thomas W. See Remarks | 2022-12-02 16:26:38 | 19,897 0 | 19,897 | Form 4 |
| 33 | Deardorf Caren Chief Commercial Officer | 2022-12-02 16:23:44 | 19,762 0 | 19,762 | Form 4 |
| 34 | BYERS BLAKE Director | 2020-06-09 16:30:45 | 18,188 0 | 18,188 | Form 4 |
| 35 | BONNEY MICHAEL W Director | 2021-06-03 18:33:05 | 18,188 0 | 18,188 | Form 4 |
| 36 | Mahoney Stephen F. See Remarks | 2022-12-02 16:23:47 | 17,264 0 | 17,264 | Form 4 |
| 37 | Lawton Alison Frances Director | 2025-05-22 16:41:04 | 12,500 0 | 12,500 | Form 4 |
| 38 | McGeorge Anne Director | 2025-05-22 16:41:53 | 12,500 0 | 12,500 | Form 4 |
| 39 | Romano Steven J. Director | 2025-05-22 16:42:58 | 12,500 0 | 12,500 | Form 4 |
| 40 | Soteropoulos Paula Director | 2025-05-22 16:43:34 | 12,500 0 | 12,500 | Form 4 |
| 41 | Violin Jonathan Director | 2025-05-22 16:44:50 | 12,500 0 | 12,500 | Form 4 |
| 42 | MOULDER LEON O JR Director | 2024-05-28 19:58:47 | 11,000 0 | 11,000 | Form 4 |
| 43 | Borisy Alexis Director | 2021-09-23 16:47:15 | 8,200 0 | 8,200 | Form 4 |
| 44 | Third Rock Ventures IV L.P. Third Rock Ventures GP IV L.P. TRV GP IV LLC 10% Owner | 2024-02-14 16:15:58 | 0 0 | 0 | Form 13G |