In the last 12 months, insiders at Dianthus Therapeutics, Inc. /DE/ ($DNTH) filed 114 transactions with the SEC: 0 open-market purchases totaling $0 and 27 sales totaling $37,010,124. Net insider sentiment: net selling.
Dianthus Therapeutics, Inc. /DE/ operates in the Pharmaceutical preparations industry (Life sciences sector).
Most Active Insiders
- Meng Lei (Not found) — 2 transactions totaling $18,000,012
- Randhawa Simrat (EVP, Head of R&D) — 24 transactions totaling $13,748,658
- Garcia Marino (CEO AND PRESIDENT) — 16 transactions totaling $11,339,906
- Savitz Ryan (EVP, CFO & CBO) — 13 transactions totaling $10,835,453
- Fairmount Funds Management LLC (Not found) — 5 transactions totaling $10,012,020
View all SEC Filings for Dianthus Therapeutics, Inc. /DE/ (DNTH).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | M | Common Stock | 74367 | $8.44 | 74,367.0000 | 42,876,015 | 9999.99% | 0.17% |
| March 31, 2026 | Soteropoulos Paula | Not found | S | Common Stock | 599 | $80.11 | 0.0000 | 42,876,015 | 100.00% | 0.00% |
| March 31, 2026 | Soteropoulos Paula | Not found | M | Stock Option (Right to Buy) | 599 | $0.00 | 599.0000 | 42,876,015 | 50.00% | 0.00% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 1390 | $78.33 | 112,977.0000 | 42,876,015 | 1.22% | 0.00% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 800 | $81.36 | 88,867.0000 | 42,876,015 | 0.89% | 0.00% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 2366 | $82.84 | 86,501.0000 | 42,876,015 | 2.66% | 0.01% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 59800 | $83.90 | 26,701.0000 | 42,876,015 | 69.13% | 0.14% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 19469 | $84.57 | 7,232.0000 | 42,876,015 | 72.91% | 0.05% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 1485 | $80.25 | 89,667.0000 | 42,876,015 | 1.63% | 0.00% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 21825 | $78.86 | 91,152.0000 | 42,876,015 | 19.32% | 0.05% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | S | Common Stock | 7232 | $85.54 | 0.0000 | 42,876,015 | 100.00% | 0.02% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | M | Stock Option (Right to Buy) | 74367 | $0.00 | 10,399.0000 | 42,876,015 | 87.73% | 0.17% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | M | Stock Option (Right to Buy) | 40000 | $0.00 | 80,000.0000 | 42,876,015 | 33.33% | 0.09% |
| March 31, 2026 | Soteropoulos Paula | Not found | M | Common Stock | 599 | $8.44 | 599.0000 | 42,876,015 | 9999.99% | 0.00% |
| March 31, 2026 | Savitz Ryan | EVP, CFO & CBO | M | Common Stock | 40000 | $17.88 | 114,367.0000 | 42,876,015 | 53.79% | 0.09% |
| March 24, 2026 | Soteropoulos Paula | Not found | M | Common Stock | 27594 | $8.44 | 27,594.0000 | 42,876,015 | 9999.99% | 0.06% |
| March 24, 2026 | Soteropoulos Paula | Not found | S | Common Stock | 27594 | $78.05 | 0.0000 | 42,876,015 | 100.00% | 0.06% |
| March 24, 2026 | Soteropoulos Paula | Not found | M | Stock Option (Right to Buy) | 27594 | $0.00 | 1,198.0000 | 42,876,015 | 95.84% | 0.06% |
| March 16, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Common Stock | 59700 | $6.70 | 59,700.0000 | 42,876,015 | 9999.99% | 0.14% |
| March 16, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Common Stock | 5592 | $17.88 | 65,292.0000 | 42,876,015 | 9.37% | 0.01% |
| March 16, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Stock Option (Right to Buy) | 59700 | $0.00 | 41.0000 | 42,876,015 | 99.93% | 0.14% |
| March 16, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Stock Option (Right to Buy) | 5592 | $0.00 | 269,408.0000 | 42,876,015 | 2.03% | 0.01% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 8332 | $21.77 | 21,330.0000 | 42,876,015 | 64.10% | 0.02% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 5000 | $17.88 | 12,998.0000 | 42,876,015 | 62.52% | 0.01% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 7998 | $8.44 | 7,998.0000 | 42,876,015 | 9999.99% | 0.02% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Stock Option (Right to Buy) | 10000 | $0.00 | 50,000.0000 | 42,876,015 | 16.67% | 0.02% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Stock Option (Right to Buy) | 17500 | $0.00 | 42,500.0000 | 42,876,015 | 29.17% | 0.04% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Stock Option (Right to Buy) | 16182 | $0.00 | 63,818.0000 | 42,876,015 | 20.23% | 0.04% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | S | Common Stock | 300 | $85.53 | 0.0000 | 42,876,015 | 100.00% | 0.00% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | S | Common Stock | 200 | $83.38 | 300.0000 | 42,876,015 | 40.00% | 0.00% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | S | Common Stock | 3865 | $82.66 | 500.0000 | 42,876,015 | 88.55% | 0.01% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | S | Common Stock | 23465 | $81.75 | 4,365.0000 | 42,876,015 | 84.32% | 0.05% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | S | Common Stock | 15852 | $80.71 | 27,830.0000 | 42,876,015 | 36.29% | 0.04% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Common Stock | 10000 | $21.77 | 43,682.0000 | 42,876,015 | 29.69% | 0.02% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Common Stock | 17500 | $22.07 | 33,682.0000 | 42,876,015 | 108.14% | 0.04% |
| March 12, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | M | Common Stock | 16182 | $17.88 | 16,182.0000 | 42,876,015 | 9999.99% | 0.04% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Stock Option (Right to Buy) | 122918 | $0.00 | 59,741.0000 | 42,876,015 | 67.29% | 0.29% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | S | Common Stock | 900 | $85.53 | 0.0000 | 42,876,015 | 100.00% | 0.00% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | S | Common Stock | 200 | $83.38 | 900.0000 | 42,876,015 | 18.18% | 0.00% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | S | Common Stock | 12796 | $82.60 | 1,100.0000 | 42,876,015 | 92.08% | 0.03% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | S | Common Stock | 65517 | $81.74 | 13,896.0000 | 42,876,015 | 82.50% | 0.15% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | S | Common Stock | 43505 | $80.69 | 79,413.0000 | 42,876,015 | 35.39% | 0.10% |
| March 12, 2026 | Garcia Marino | CEO AND PRESIDENT | M | Common Stock | 122918 | $6.70 | 122,918.0000 | 42,876,015 | 9999.99% | 0.29% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 8332 | $0.00 | 54,174.0000 | 42,876,015 | 13.33% | 0.02% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 12500 | $0.00 | 106,250.0000 | 42,876,015 | 10.53% | 0.03% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 5000 | $0.00 | 71,184.0000 | 42,876,015 | 6.56% | 0.01% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 7998 | $0.00 | 3,998.0000 | 42,876,015 | 66.67% | 0.02% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | S | Common Stock | 33830 | $81.48 | 0.0000 | 42,876,015 | 100.00% | 0.08% |
| March 12, 2026 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 12500 | $22.07 | 33,830.0000 | 42,876,015 | 58.60% | 0.03% |
| Feb. 3, 2026 | Garcia Marino | CEO AND PRESIDENT | A | Stock Option (Right to Buy) | 355000 | $0.00 | 355,000.0000 | 42,876,015 | 9999.99% | 0.83% |
| Feb. 3, 2026 | Savitz Ryan | EVP, CFO & CBO | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 42,876,015 | 9999.99% | 0.35% |
| Feb. 3, 2026 | Randhawa Simrat | EVP, Head of R&D | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 42,876,015 | 9999.99% | 0.35% |
| Feb. 3, 2026 | Veness Adam M | SVP, General Counsel and Sec. | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 42,876,015 | 9999.99% | 0.23% |
| Feb. 3, 2026 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | A | Stock Option (Right to Buy) | 55000 | $0.00 | 55,000.0000 | 42,876,015 | 9999.99% | 0.13% |
| Dec. 4, 2025 | Savitz Ryan | CFO & CBO | M | Stock Option (Right to Buy) | 20000 | $0.00 | 84,766.0000 | 42,876,015 | 30.88% | 0.05% |
| Dec. 4, 2025 | Savitz Ryan | CFO & CBO | S | Common Stock | 20000 | $45.18 | 0.0000 | 42,876,015 | 100.00% | 0.05% |
| Dec. 4, 2025 | Savitz Ryan | CFO & CBO | M | Common Stock | 20000 | $8.44 | 20,000.0000 | 42,876,015 | 9999.99% | 0.05% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 3529 | $0.00 | 116,471.0000 | 42,876,015 | 2.94% | 0.01% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 83978 | $8.44 | 87,978.0000 | 42,876,015 | 2099.45% | 0.20% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 3529 | $17.88 | 91,507.0000 | 42,876,015 | 4.01% | 0.01% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | S | Common Stock | 26166 | $35.80 | 65,341.0000 | 42,876,015 | 28.59% | 0.06% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | S | Common Stock | 42765 | $37.04 | 22,576.0000 | 42,876,015 | 65.45% | 0.10% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | S | Common Stock | 18576 | $37.72 | 4,000.0000 | 42,876,015 | 82.28% | 0.04% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 40287 | $17.88 | 44,287.0000 | 42,876,015 | 1007.18% | 0.09% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 37494 | $21.77 | 81,781.0000 | 42,876,015 | 84.66% | 0.09% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Common Stock | 31250 | $22.07 | 113,031.0000 | 42,876,015 | 38.21% | 0.07% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | S | Common Stock | 109031 | $38.14 | 4,000.0000 | 42,876,015 | 96.46% | 0.25% |
| Nov. 13, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 83978 | $0.00 | 11,996.0000 | 42,876,015 | 87.50% | 0.20% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 40287 | $0.00 | 76,184.0000 | 42,876,015 | 34.59% | 0.09% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 37494 | $0.00 | 62,506.0000 | 42,876,015 | 37.49% | 0.09% |
| Nov. 14, 2025 | Randhawa Simrat | EVP, Head of R&D | M | Stock Option (Right to Buy) | 31250 | $0.00 | 118,750.0000 | 42,876,015 | 20.83% | 0.07% |
| Sept. 30, 2025 | Garcia Marino | CEO AND PRESIDENT | A | Stock Option (Right to Buy) | 120000 | $0.00 | 120,000.0000 | 32,125,179 | 9999.99% | 0.37% |
| Sept. 23, 2025 | Randhawa Simrat | CHIEF MEDICAL OFFICER | A | Stock Option (Right to Buy) | 60000 | $0.00 | 60,000.0000 | 32,125,179 | 9999.99% | 0.19% |
| Sept. 23, 2025 | Savitz Ryan | CFO & CBO | A | Stock Option (Right to Buy) | 60000 | $0.00 | 60,000.0000 | 32,125,179 | 9999.99% | 0.19% |
| Sept. 9, 2025 | Savitz Ryan | CFO & CBO | M | Common Stock | 20000 | $8.44 | 20,000.0000 | 32,125,179 | 9999.99% | 0.06% |
| Sept. 9, 2025 | Savitz Ryan | CFO & CBO | M | Stock Option (Right to Buy) | 20000 | $0.00 | 104,766.0000 | 32,125,179 | 23.59% | 0.06% |
| Sept. 9, 2025 | Savitz Ryan | CFO & CBO | S | Common Stock | 20000 | $35.00 | 0.0000 | 32,125,179 | 100.00% | 0.06% |
| May 22, 2025 | Read Simon | Not found | A | Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 32,125,179 | 9999.99% | 0.08% |
| May 22, 2025 | Soteropoulos Paula | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 32,125,179 | 9999.99% | 0.04% |
| May 22, 2025 | Romano Steven J. | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 32,125,179 | 9999.99% | 0.04% |
| May 22, 2025 | McGeorge Anne | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 32,125,179 | 9999.99% | 0.04% |
| May 22, 2025 | Lawton Alison Frances | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 32,125,179 | 9999.99% | 0.04% |
| May 22, 2025 | Violin Jonathan | Not found | A | Stock Option (Right to Buy) | 12500 | $0.00 | 12,500.0000 | 32,125,179 | 9999.99% | 0.04% |
| March 4, 2025 | KANGO SUJAY | Not found | A | Stock Option (Right to Buy) | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 3, 2025 | Savitz Ryan | CFO & CBO | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 3, 2025 | Randhawa Simrat | CHIEF MEDICAL OFFICER | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 3, 2025 | Veness Adam M | SVP, General Counsel and Sec. | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 3, 2025 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | A | Stock Option (Right to Buy) | 60000 | $0.00 | 60,000.0000 | 0 | 9999.99% | 0.00% |
| Feb. 3, 2025 | Garcia Marino | CEO AND PRESIDENT | A | Stock Option (Right to Buy) | 340000 | $0.00 | 340,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 27, 2024 | Fairmount Funds Management LLC | Director | J | Common Stock | 62146 | $0.00 | 2,700,691.0000 | 0 | 2.25% | 0.00% |
| Sept. 16, 2024 | Romano Steven J. | Not found | A | Stock Option (Right to Buy) | 22000 | $0.00 | 22,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Lawton Alison Frances | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | McGeorge Anne | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | MOULDER LEON O JR | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Soteropoulos Paula | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Violin Jonathan | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Garcia Marino | CEO AND PRESIDENT | A | Stock Option (Right to Buy) | 243000 | $0.00 | 243,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Savitz Ryan | CFO & CBO | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Randhawa Simrat | CHIEF MEDICAL OFFICER | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Veness Adam M | SVP, General Counsel and Sec. | A | Stock Option (Right to Buy) | 75000 | $0.00 | 75,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | A | Stock Option (Right to Buy) | 60000 | $0.00 | 60,000.0000 | 0 | 9999.99% | 0.00% |
| May 23, 2024 | Fairmount Funds Management LLC | Not found | A | Stock Option (Right to Buy) | 11000 | $0.00 | 11,000.0000 | 0 | 9999.99% | 0.00% |
| April 1, 2024 | Fairmount Funds Management LLC | Not found | J | Common Stock | 58857 | $0.00 | 2,762,837.0000 | 0 | 2.18% | 0.00% |
| April 1, 2024 | Fairmount Funds Management LLC | Not found | J | Common Stock | 58857 | $0.00 | 2,762,837.0000 | 0 | 2.09% | 0.00% |
| Jan. 24, 2024 | Savitz Ryan | CHIEF FINANCIAL OFFICER | A | Stock Option (Right to Buy) | 120000 | $0.00 | 120,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 24, 2024 | Randhawa Simrat | CHIEF MEDICAL OFFICER | A | Stock Option (Right to Buy) | 120000 | $0.00 | 120,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 24, 2024 | Veness Adam M | SVP, General Counsel and Sec. | A | Stock Option (Right to Buy) | 110000 | $0.00 | 110,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 24, 2024 | CARR EDWARD | CHIEF ACCOUNTING OFFICER | A | Stock Option (Right to Buy) | 80000 | $0.00 | 80,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 24, 2024 | Garcia Marino | CEO AND PRESIDENT | A | Stock Option (Right to Buy) | 275000 | $0.00 | 275,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 22, 2024 | MOULDER LEON O JR | Not found | A | Common Stock | 166667 | $12.00 | 1,436,745.0000 | 0 | 13.12% | 0.00% |
| Jan. 22, 2024 | Fairmount Funds Management LLC | Not found | A | Common Stock | 834334 | $12.00 | 2,762,837.0000 | 0 | 43.26% | 0.00% |
| Jan. 22, 2024 | Fairmount Funds Management LLC | Not found | A | Pre-Funded Warrants (Right to Buy) | 832333 | $12.00 | 832,333.0000 | 0 | 9999.99% | 0.00% |
| Jan. 22, 2024 | Meng Lei | Not found | A | Common Stock | 1500000 | $12.00 | 2,717,554.0000 | 0 | 123.20% | 0.00% |
| Jan. 22, 2024 | Meng Lei | Not found | A | Pre-Funded Warrants (Right to Buy) | 1833333 | $12.00 | 1,833,333.0000 | 0 | 9999.99% | 0.00% |