Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- 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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-09-16 Sale | 2025-09-19 06:00 am | Y-mAbs Therapeutics Inc. | YMAB | Hamill Laura Director | 25,080 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:27 pm | Y-mAbs Therapeutics Inc. | YMAB | GILL DAVID N Director | 30,905 | $1.6209 | $50,095 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:24 pm | Y-mAbs Therapeutics Inc. | YMAB | TYAGI ASHU Director | 25,080 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:12 pm | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 60,235 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:09 pm | Y-mAbs Therapeutics Inc. | YMAB | PFREUNDSCHUH PETER P. EVP, CFO and Treasurer | 77,800 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:08 pm | Y-mAbs Therapeutics Inc. | YMAB | Rossi Michael J PRESIDENT & CEO | 129,101 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:06 pm | Y-mAbs Therapeutics Inc. | YMAB | Wilms Joris SVP & CHIEF OPERATING OFFICER | 39,301 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:03 pm | Y-mAbs Therapeutics Inc. | YMAB | Wedell-Wedellsborg Johan Director 10% Owner | 25,080 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-09-16 Sale | 2025-09-18 9:01 pm | Y-mAbs Therapeutics Inc. | YMAB | LaRocca John SVP, General Counsel & Secry | 21,500 | $0 | $0 | 0 (Direct) | View |
| 2025-09-16 Sale | 2025-09-18 8:59 pm | Y-mAbs Therapeutics Inc. | YMAB | HEALY JAMES Director | 25,080 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-03-07 Sale | 2025-03-11 8:17 pm | Y-mAbs Therapeutics Inc. | YMAB | Rossi Michael J PRESIDENT & CEO | 3,917 | $5.2 | $20,368 | 137,083 (Direct) | View |
| 2025-03-07 Sale | 2025-03-11 8:15 pm | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 10,810 | $5.23 | $56,536 | 330,402 (Indirect Direct) | View |
| 2024-09-13 Sale | 2024-09-17 8:05 pm | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 95,000 | $13.31 | $1,264,650 | 286,381 (Indirect Direct) | View |
| 2024-08-28 Sale | 2024-08-30 4:15 pm | Y-mAbs Therapeutics Inc. | YMAB | Lund-Hansen Torben SVP & CHIEF TECHNICAL OFFICER | 50,000 | $15.37 | $768,500 | 181,262 (Indirect Direct) | View |
| 2024-08-26 Sale | 2024-08-27 5:05 pm | Y-mAbs Therapeutics Inc. | YMAB | Wilms Joris SVP & CHIEF OPERATING OFFICER | 5,000 | $14.69 | $73,450 | 30,600 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-09-16 Equity Swap | 2025-09-19 06:00 am | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Hamill Laura Director | 5,825 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:39 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | WG Biotech ApS Director 10% Owner | 4,559,233 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:24 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | TYAGI ASHU Director | 5,825 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:12 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 373,167 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:08 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Rossi Michael J PRESIDENT & CEO | 7,982 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:06 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Wilms Joris SVP & CHIEF OPERATING OFFICER | 12,799 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 9:03 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Wedell-Wedellsborg Johan Director 10% Owner | 4,565,058 | $8.6 | 0 (Direct) | View |
| 2025-09-16 Equity Swap | 2025-09-18 8:59 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | HEALY JAMES Director | 2,225,881 | $8.6 | 0 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:20 pm | N/A 2035-06-30 | Y-mAbs Therapeutics Inc. | YMAB | Hamill Laura Director | 58,530 | $0 | 64,355 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:20 pm | N/A 2035-06-30 | Y-mAbs Therapeutics Inc. | YMAB | TYAGI ASHU Director | 58,530 | $0 | 64,355 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:20 pm | N/A 2035-06-30 | Y-mAbs Therapeutics Inc. | YMAB | Wedell-Wedellsborg Johan Director 10% Owner | 58,530 | $0 | 4,623,588 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:20 pm | N/A 2035-06-30 | Y-mAbs Therapeutics Inc. | YMAB | HEALY JAMES Director | 58,530 | $0 | 2,284,411 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:20 pm | N/A 2035-06-30 | Y-mAbs Therapeutics Inc. | YMAB | GILL DAVID N Director | 58,530 | $0 | 64,355 (Direct) | View |
| 2025-06-03 Exercise | 2025-06-05 7:17 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 103,000 | $2 | 433,402 (Direct) | View |
| 2025-06-03 Exercise | 2025-06-05 7:17 pm | N/A 2025-06-10 | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 103,000 | $0 | 433,402 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 7:05 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | PFREUNDSCHUH PETER P. CFO and Treasurer | 95,300 | $0 | 141,300 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 7:04 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 96,000 | $0 | 405,212 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 7:03 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | Gentilcore Douglas J SVP, Danyelza Bus. Unit Head | 142,600 | $0 | 142,600 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 7:01 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | Wilms Joris SVP & CHIEF OPERATING OFFICER | 64,400 | $0 | 95,000 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 7:00 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | Rossi Michael J PRESIDENT & CEO | 316,000 | $0 | 351,700 (Direct) | View |
| 2025-01-17 Option Award | 2025-01-22 6:57 pm | N/A 2035-01-17 | Y-mAbs Therapeutics Inc. | YMAB | LaRocca John SVP, General Counsel & Secry | 64,400 | $0 | 64,400 (Direct) | View |
Ownership | 2025-01-16 4:44 pm | N/A 2034-01-18 | Y-mAbs Therapeutics Inc. | YMAB | LaRocca John SVP, General Counsel & Secry | 0 | $0 | 142,600 (Direct) | View |
| 2024-09-19 Exercise | 2024-09-20 4:15 pm | N/A 2026-10-21 | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 22,831 | $0 | 452,381 (Direct) | View |
| 2024-09-19 Exercise | 2024-09-20 4:15 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER | 22,831 | $4.38 | 452,381 (Direct) | View |
| 2024-08-28 Exercise | 2024-08-30 4:15 pm | N/A 2026-05-20 | Y-mAbs Therapeutics Inc. | YMAB | Lund-Hansen Torben SVP & CHIEF TECHNICAL OFFICER | 50,000 | $0 | 181,262 (Direct) | View |
| 2024-08-28 Exercise | 2024-08-30 4:15 pm | N/A N/A | Y-mAbs Therapeutics Inc. | YMAB | Lund-Hansen Torben SVP & CHIEF TECHNICAL OFFICER | 50,000 | $4.38 | 181,262 (Direct) | View |
| 2024-07-12 Option Award | 2024-07-12 5:29 pm | N/A 2034-07-12 | Y-mAbs Therapeutics Inc. | YMAB | PFREUNDSCHUH PETER P. CFO and Treasurer | 216,000 | $0 | 216,000 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:02 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | TAGLIAFERRI MARY Director | 18,040 | $0 | 22,700 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:02 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | Hamill Laura Director | 18,040 | $0 | 20,370 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:01 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | Wedell-Wedellsborg Johan Director 10% Owner | 18,040 | $0 | 4,579,603 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:01 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | HEALY JAMES Director | 18,040 | $0 | 2,240,426 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:00 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | GILL DAVID N Director | 18,040 | $0 | 20,370 (Direct) | View |
| 2024-06-11 Option Award | 2024-06-13 9:00 pm | N/A 2034-06-11 | Y-mAbs Therapeutics Inc. | YMAB | TYAGI ASHU Director | 18,040 | $0 | 20,370 (Direct) | View |