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 |
2025-03-07 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 |
2024-06-10 Sale |
2024-06-11 7:53 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER |
70,000 | $12.02 | $841,050 | 381,381 (Indirect Direct) |
View |
2024-05-21 Sale |
2024-05-23 6:54 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER |
32,351 | $12.23 | $395,563 | 451,381 (Indirect Direct) |
View |
2024-03-05 Sale |
2024-03-07 5:01 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER |
3,900 | $16.44 | $64,116 | 483,732 (Indirect Direct) |
View |
2023-12-13 Sale |
2023-12-15 7:40 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas Chief Business Officer |
150,000 | $6.6733 | $1,001,000 | 415,532 (Indirect Direct) |
View |
2023-11-20 Sale |
2023-11-22 5:00 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas Chief Business Officer |
150,000 | $5.3026 | $795,383 | 565,532 (Indirect Direct) |
View |
2022-02-07 Sale |
2022-02-09 6:59 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
281,170 | $7.1885 | $2,021,188 | 675,032 (Indirect Direct) |
View |
2022-02-03 Sale |
2022-02-07 5:15 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
136,164 | $7.7521 | $1,055,558 | 956,202 (Indirect Direct) |
View |
2022-02-01 Sale |
2022-02-03 5:00 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
8,000 | $10.15 | $81,161 | 1,245,366 (Indirect Direct) |
View |
2022-01-24 Sale |
2022-01-26 5:09 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
88,055 | $10.63 | $936,412 | 1,092,366 (Indirect Direct) |
View |
2022-01-20 Sale |
2022-01-24 5:39 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
183,085 | $11.1 | $2,033,105 | 1,180,421 (Indirect Direct) |
View |
2022-01-18 Sale |
2022-01-20 5:13 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
77,814 | $10.96 | $852,990 | 1,524,506 (Indirect Direct) |
View |
2021-12-06 Sale |
2021-12-08 5:18 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
54,000 | $16.69 | $901,074 | 1,433,320 (Indirect Direct) |
View |
2021-11-29 Sale |
2021-12-01 5:15 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
47,607 | $17.11 | $814,483 | 1,487,320 (Indirect Direct) |
View |
2021-11-23 Sale |
2021-11-26 5:33 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $17.06 | $852,850 | 1,703,927 (Indirect Direct) |
View |
2021-11-16 Sale |
2021-11-18 5:18 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $19.33 | $77,302 | 1,534,927 (Indirect Direct) |
View |
2021-10-29 Sale |
2021-11-01 5:15 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $24.82 | $99,261 | 1,538,927 (Indirect Direct) |
View |
2021-10-15 Sale |
2021-10-19 5:17 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $27.2 | $108,799 | 1,542,927 (Indirect Direct) |
View |
2021-09-30 Sale |
2021-10-04 5:17 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $28.26 | $113,054 | 1,546,927 (Indirect Direct) |
View |
2021-09-15 Sale |
2021-09-17 5:20 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $33.64 | $134,579 | 1,550,927 (Indirect Direct) |
View |
2021-09-02 Sale |
2021-09-07 5:30 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $33.18 | $1,658,915 | 1,773,927 (Indirect Direct) |
View |
2021-08-13 Sale |
2021-08-17 6:32 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
29,000 | $29.35 | $851,023 | 1,554,927 (Indirect) |
View |
2021-08-03 Sale |
2021-08-05 5:18 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $33.73 | $134,927 | 1,583,927 (Indirect) |
View |
2021-07-20 Sale |
2021-07-21 6:56 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $32.47 | $129,875 | 1,587,927 (Indirect) |
View |
2021-07-07 Sale |
2021-07-08 5:16 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $31.87 | $127,465 | 1,591,927 (Indirect) |
View |
2021-06-30 Sale |
2021-07-02 4:31 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $33.86 | $135,446 | 1,595,927 (Indirect) |
View |
2021-06-14 Sale |
2021-06-15 5:06 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $35.8 | $143,217 | 1,599,927 (Indirect) |
View |
2021-05-28 Sale |
2021-06-01 4:32 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $36.95 | $147,813 | 1,603,927 (Indirect) |
View |
2021-05-18 Sale |
2021-05-20 4:32 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
4,000 | $34.07 | $136,290 | 1,607,927 (Indirect) |
View |
2021-04-26 Sale |
2021-04-28 4:16 pm |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
7,000 | $27.96 | $195,731 | 1,880,927 (Indirect 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 |
2025-01-17 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 |
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 |
2024-09-19 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 |
2024-01-18 Option Award |
2024-01-22 5:52 pm |
N/A 2034-01-18 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas CHIEF BUSINESS OFFICER |
154,600 | $0 | 620,132 (Direct) |
View |
2023-12-21 Exercise |
2023-12-26 4:15 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas Chief Business Officer |
50,000 | $2 | 568,532 (Direct) |
View |
2023-12-21 Exercise |
2023-12-26 4:15 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas Chief Business Officer |
50,000 | $0 | 568,532 (Direct) |
View |
2023-11-06 Option Award |
2023-11-08 5:19 pm |
N/A 2033-11-06 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas Chief Business Officer |
75,000 | $0 | 75,000 (Direct) |
View |
2023-01-17 Option Award |
2023-01-19 4:42 pm |
N/A 2033-01-17 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
283,700 | $0 | 958,732 (Direct) |
View |
2022-05-18 Option Award |
2022-05-19 4:16 pm |
N/A 2032-05-18 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
60,000 | $0 | 60,000 (Direct) |
View |
2022-02-01 Exercise |
2022-02-03 5:00 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
8,000 | $2 | 1,245,366 (Direct) |
View |
2022-02-01 Exercise |
2022-02-03 5:00 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
8,000 | $0 | 1,245,366 (Direct) |
View |
2022-01-18 Exercise |
2022-01-20 5:13 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
8,000 | $2 | 1,524,506 (Direct) |
View |
2022-01-18 Exercise |
2022-01-20 5:13 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
8,000 | $0 | 1,524,506 (Direct) |
View |
2021-12-14 Gift |
2021-12-16 6:35 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
60,000 | $0 | 1,433,320 (Indirect) |
View |
2021-12-14 Option Award |
2021-12-16 6:04 pm |
N/A 2031-12-14 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
110,000 | $0 | 110,000 (Direct) |
View |
2021-11-23 Exercise |
2021-11-26 5:33 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $2 | 1,703,927 (Direct) |
View |
2021-11-23 Exercise |
2021-11-26 5:33 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $0 | 1,703,927 (Direct) |
View |
2021-09-07 Exercise |
2021-09-07 5:30 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $2 | 1,773,927 (Direct) |
View |
2021-09-07 Exercise |
2021-09-07 5:30 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
50,000 | $0 | 1,773,927 (Direct) |
View |
2021-04-26 Exercise |
2021-04-28 4:16 pm |
N/A N/A |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
7,000 | $2 | 1,880,927 (Direct) |
View |
2021-04-26 Exercise |
2021-04-28 4:16 pm |
N/A 2025-06-10 |
Y-mAbs Therapeutics Inc. | YMAB | Gad Thomas See remarks |
7,000 | $0 | 1,880,927 (Direct) |
View |