Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Y-mabs Therapeutics, Inc. (YMAB) since 2018 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Y-mabs Therapeutics, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1722964.
Total stock buying since 2018: $21,774,167.
Total stock sales since 2018: $94,274,343.
Total stock option exercises since 2018: $1,729,589.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 14,727 | $76,904 | 103,000 | $206,000 |
| 2024 | 0 | $0 | 268,684 | $3,398,828 | 82,831 | $219,999 |
| 2023 | 506,438 | $3,712,788 | 300,000 | $1,796,450 | 50,000 | $100,000 |
| 2022 | 1,195 | $5,884 | 786,288 | $7,122,111 | 16,000 | $32,000 |
| 2021 | 1,374 | $41,147 | 928,700 | $29,542,817 | 169,000 | $356,320 |
| 2020 | 3,597 | $111,564 | 861,492 | $35,017,009 | 195,778 | $815,270 |
| 2019 | 90,000 | $2,520,000 | 652,882 | $17,320,224 | 0 | $0 |
| 2018 | 961,424 | $15,382,784 | 0 | $0 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-06 | 0 | $0 | 0 | $0 | 103,000 | $206,000 |
| 2025-03 | 0 | $0 | 14,727 | $76,904 | 0 | $0 |
| 2024-09 | 0 | $0 | 95,000 | $1,264,650 | 22,831 | $99,999 |
| 2024-08 | 0 | $0 | 5,000 | $73,450 | 0 | $0 |
| 2024-06 | 0 | $0 | 70,722 | $849,714 | 0 | $0 |
| 2024-05 | 0 | $0 | 92,351 | $1,118,616 | 60,000 | $120,000 |
| 2024-03 | 0 | $0 | 5,611 | $92,398 | 0 | $0 |
| 2023-12 | 12,910 | $88,458 | 150,000 | $1,001,000 | 50,000 | $100,000 |
| 2023-11 | 290,048 | $1,661,562 | 150,000 | $795,450 | 0 | $0 |
| 2023-05 | 203,480 | $1,962,768 | 0 | $0 | 0 | $0 |
| 2022-11 | 1,195 | $5,884 | 0 | $0 | 0 | $0 |
| 2022-02 | 0 | $0 | 429,334 | $3,189,813 | 8,000 | $16,000 |
| 2022-01 | 0 | $0 | 356,954 | $3,932,298 | 8,000 | $16,000 |
| 2021-12 | 0 | $0 | 62,000 | $1,032,185 | 0 | $0 |
| 2021-11 | 0 | $0 | 109,607 | $1,926,034 | 50,000 | $100,000 |
| 2021-10 | 0 | $0 | 16,000 | $426,940 | 0 | $0 |
| 2021-09 | 0 | $0 | 66,000 | $2,157,935 | 50,000 | $100,000 |
| 2021-08 | 1,374 | $41,147 | 41,000 | $1,233,461 | 0 | $0 |
| 2021-07 | 0 | $0 | 16,000 | $531,940 | 0 | $0 |
| 2021-06 | 0 | $0 | 459,093 | $16,274,200 | 0 | $0 |
| 2021-05 | 0 | $0 | 54,000 | $1,953,238 | 0 | $0 |
| 2021-04 | 0 | $0 | 33,000 | $942,316 | 23,000 | $46,000 |
| 2021-03 | 0 | $0 | 26,000 | $937,259 | 16,000 | $32,000 |
| 2021-02 | 0 | $0 | 22,000 | $979,715 | 14,000 | $28,000 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-03 | Gad Thomas (CHIEF BUSINESS OFFICER) | Option Ex | 103,000 | 2.00 | 206,000 |
| 2025-03-07 | Rossi Michael J (PRESIDENT & CEO) | Sale | 3,917 | 5.20 | 20,368 |
| 2025-03-07 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 10,810 | 5.23 | 56,536 |
| 2024-09-19 | Gad Thomas (CHIEF BUSINESS OFFICER) | Option Ex | 22,831 | 4.38 | 99,999 |
| 2024-09-16 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 30,000 | 12.97 | 389,100 |
| 2024-09-13 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 65,000 | 13.47 | 875,550 |
| 2024-08-26 | Wilms Joris (SVP & CHIEF OPERATING OFFICER) | Sale | 5,000 | 14.69 | 73,450 |
| 2024-06-11 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 35,000 | 12.00 | 420,000 |
| 2024-06-10 | Ber Gerard | Sale | 722 | 12.00 | 8,664 |
| 2024-06-10 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 35,000 | 12.03 | 421,050 |
| 2024-05-31 | Kruse Bo (EVP, CFO, SECRY & TREAS.) | Sale | 31,371 | 12.07 | 378,647 |
| 2024-05-31 | Kruse Bo (EVP, CFO, SECRY & TREAS.) | Option Ex | 31,371 | 2.00 | 62,742 |
| 2024-05-30 | Kruse Bo (EVP, CFO, SECRY & TREAS.) | Sale | 28,629 | 12.03 | 344,406 |
| 2024-05-30 | Kruse Bo (EVP, CFO, SECRY & TREAS.) | Option Ex | 28,629 | 2.00 | 57,258 |
| 2024-05-23 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 7,351 | 13.00 | 95,563 |
| 2024-05-21 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 25,000 | 12.00 | 300,000 |
| 2024-03-05 | Rajah Vignesh (SVP & CHIEF MEDICAL OFFICER) | Sale | 1,711 | 16.53 | 28,282 |
| 2024-03-05 | Gad Thomas (CHIEF BUSINESS OFFICER) | Sale | 3,900 | 16.44 | 64,116 |
| 2023-12-21 | Gad Thomas (Chief Business Officer) | Option Ex | 50,000 | 2.00 | 100,000 |
| 2023-12-15 | Gad Thomas (Chief Business Officer) | Sale | 50,000 | 6.61 | 330,500 |
| 2023-12-14 | Gad Thomas (Chief Business Officer) | Sale | 50,000 | 6.83 | 341,500 |
| 2023-12-13 | Gad Thomas (Chief Business Officer) | Sale | 50,000 | 6.58 | 329,000 |
| 2023-12-11 | Wg Biotech Aps | Buy | 6,455 | 6.85 | 44,229 |
| 2023-12-11 | Wedell-wedellsborg Johan | Buy | 6,455 | 6.85 | 44,229 |
| 2023-11-29 | Wg Biotech Aps | Buy | 51,837 | 5.97 | 309,466 |
| 2023-11-29 | Wedell-wedellsborg Johan | Buy | 51,837 | 5.97 | 309,466 |
| 2023-11-28 | Wg Biotech Aps | Buy | 30,671 | 5.81 | 178,290 |
| 2023-11-28 | Wedell-wedellsborg Johan | Buy | 30,671 | 5.81 | 178,290 |
| 2023-11-27 | Wg Biotech Aps | Buy | 62,516 | 5.49 | 343,025 |
| 2023-11-27 | Wedell-wedellsborg Johan | Buy | 62,516 | 5.49 | 343,025 |
| 2023-11-21 | Gad Thomas (Chief Business Officer) | Sale | 75,000 | 5.31 | 398,025 |
| 2023-11-20 | Gad Thomas (Chief Business Officer) | Sale | 75,000 | 5.30 | 397,425 |
| 2023-05-15 | Wg Biotech Aps | Buy | 101,740 | 9.65 | 981,384 |
| 2023-05-15 | Wedell-wedellsborg Johan | Buy | 101,740 | 9.65 | 981,384 |
| 2022-11-15 | Rajah Vignesh (SVP & CMO) | Buy | 1,195 | 4.92 | 5,884 |
| 2022-02-09 | Gad Thomas (See remarks) | Sale | 64,276 | 6.96 | 447,103 |
| 2022-02-08 | Gad Thomas (See remarks) | Sale | 125,863 | 7.01 | 882,928 |
| 2022-02-07 | Gad Thomas (See remarks) | Sale | 91,031 | 7.59 | 691,198 |
| 2022-02-04 | Gad Thomas (See remarks) | Sale | 101,104 | 7.70 | 778,500 |
| 2022-02-04 | Kruse Bo (EVP, CFO, Secretary & Treas) | Sale | 4,000 | 7.97 | 31,880 |
| 2022-02-03 | Gad Thomas (See remarks) | Sale | 35,060 | 7.90 | 277,044 |
| 2022-02-01 | Gad Thomas (See remarks) | Sale | 8,000 | 10.14 | 81,160 |
| 2022-02-01 | Gad Thomas (See remarks) | Option Ex | 8,000 | 2.00 | 16,000 |
| 2022-01-24 | Gad Thomas (See remarks) | Sale | 88,055 | 10.52 | 925,986 |
| 2022-01-24 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 9.84 | 39,360 |
| 2022-01-21 | Gad Thomas (See remarks) | Sale | 70,318 | 10.93 | 768,435 |
| 2022-01-20 | Gad Thomas (See remarks) | Sale | 112,767 | 11.33 | 1,277,311 |
| 2022-01-19 | Gad Thomas (See remarks) | Sale | 69,414 | 10.89 | 756,126 |
| 2022-01-18 | Gad Thomas (See remarks) | Sale | 8,400 | 11.50 | 96,600 |
| 2022-01-18 | Gad Thomas (See remarks) | Option Ex | 8,000 | 2.00 | 16,000 |
| 2022-01-04 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 17.12 | 68,480 |
| 2021-12-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 16.36 | 65,440 |
| 2021-12-07 | Gad Thomas (See remarks) | Sale | 10,000 | 17.58 | 175,829 |
| 2021-12-06 | Gad Thomas (See remarks) | Sale | 44,000 | 16.49 | 725,516 |
| 2021-12-06 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 16.35 | 65,400 |
| 2021-11-30 | Gad Thomas (See remarks) | Sale | 25,170 | 17.02 | 428,343 |
| 2021-11-29 | Gad Thomas (See remarks) | Sale | 22,437 | 17.16 | 385,018 |
| 2021-11-23 | Gad Thomas (See remarks) | Sale | 50,000 | 17.06 | 852,849 |
| 2021-11-23 | Gad Thomas (See remarks) | Option Ex | 50,000 | 2.00 | 100,000 |
| 2021-11-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 18.09 | 72,360 |
| 2021-11-16 | Gad Thomas (See remarks) | Sale | 4,000 | 19.33 | 77,304 |
| 2021-11-04 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 27.54 | 110,160 |
| 2021-10-29 | Gad Thomas (See remarks) | Sale | 4,000 | 24.82 | 99,260 |
| 2021-10-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 25.94 | 103,760 |
| 2021-10-15 | Gad Thomas (See remarks) | Sale | 4,000 | 27.20 | 108,800 |
| 2021-10-04 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 28.78 | 115,120 |
| 2021-09-30 | Gad Thomas (See remarks) | Sale | 4,000 | 28.26 | 113,056 |
| 2021-09-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 30.82 | 123,280 |
| 2021-09-15 | Gad Thomas (See remarks) | Sale | 4,000 | 33.65 | 134,580 |
| 2021-09-07 | Gad Thomas (See remarks) | Option Ex | 50,000 | 2.00 | 100,000 |
| 2021-09-07 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 32.03 | 128,120 |
| 2021-09-02 | Gad Thomas (See remarks) | Sale | 50,000 | 33.18 | 1,658,899 |
| 2021-08-23 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 28.60 | 114,400 |
| 2021-08-17 | Gad Thomas (See remarks) | Sale | 1,779 | 28.96 | 51,526 |
| 2021-08-16 | Gad Thomas (See remarks) | Sale | 26,111 | 29.23 | 763,302 |
| 2021-08-13 | Gad Thomas (See remarks) | Sale | 1,110 | 31.01 | 34,425 |
| 2021-08-12 | Rajah Vignesh (SVP & CMO) | Buy | 1,374 | 29.95 | 41,147 |
| 2021-08-04 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 33.72 | 134,880 |
| 2021-08-03 | Gad Thomas (See remarks) | Sale | 4,000 | 33.73 | 134,928 |
| 2021-07-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 34.50 | 138,000 |
| 2021-07-20 | Gad Thomas (See remarks) | Sale | 4,000 | 32.47 | 129,876 |
| 2021-07-07 | Gad Thomas (See remarks) | Sale | 4,000 | 31.87 | 127,464 |
| 2021-07-06 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 34.15 | 136,600 |
| 2021-06-30 | Gad Thomas (See remarks) | Sale | 4,000 | 33.86 | 135,444 |
| 2021-06-22 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 36.17 | 144,680 |
| 2021-06-14 | Gad Thomas (See remarks) | Sale | 4,000 | 35.80 | 143,216 |
| 2021-06-10 | Wg Biotech Aps | Sale | 11,229 | 36.15 | 405,973 |
| 2021-06-10 | Wedell-wedellsborg Johan | Sale | 11,229 | 36.15 | 405,973 |
| 2021-06-09 | Wg Biotech Aps | Sale | 116,700 | 36.19 | 4,223,139 |
| 2021-06-09 | Wedell-wedellsborg Johan | Sale | 116,700 | 36.19 | 4,223,139 |
| 2021-06-08 | Wg Biotech Aps | Sale | 33,300 | 35.28 | 1,174,690 |
| 2021-06-08 | Wedell-wedellsborg Johan | Sale | 33,300 | 35.28 | 1,174,690 |
| 2021-06-07 | Wedell-wedellsborg Johan | Sale | 72,400 | 34.15 | 2,472,604 |
| 2021-06-04 | Wg Biotech Aps | Sale | 3,841 | 34.03 | 130,705 |
| 2021-06-04 | Kruse Bo (EVP, CFO, Secretary & Treas.) | Sale | 4,000 | 33.48 | 133,920 |
| 2021-06-03 | Wg Biotech Aps | Sale | 30,666 | 33.19 | 1,017,681 |
| 2021-06-01 | Wg Biotech Aps | Sale | 6,864 | 35.57 | 244,173 |
| 2021-06-01 | Wedell-wedellsborg Johan | Sale | 6,864 | 35.57 | 244,173 |
| 2021-05-28 | Wg Biotech Aps | Sale | 25,000 | 36.34 | 908,475 |
| 2021-05-28 | Wedell-wedellsborg Johan | Sale | 25,000 | 36.34 | 908,475 |
| 2021-05-18 | Gad Thomas (See remarks) | Sale | 4,000 | 34.07 | 136,288 |
| 2021-04-26 | Gad Thomas (See remarks) | Sale | 7,000 | 27.96 | 195,734 |
| 2021-04-26 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-04-12 | Gad Thomas (See remarks) | Sale | 11,000 | 26.60 | 292,622 |
| 2021-04-12 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-04-01 | Gad Thomas (See remarks) | Sale | 15,000 | 30.26 | 453,960 |
| 2021-04-01 | Gad Thomas (See remarks) | Option Ex | 9,000 | 2.00 | 18,000 |
| 2021-03-15 | Gad Thomas (See remarks) | Sale | 11,000 | 36.78 | 404,624 |
| 2021-03-15 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-03-01 | Gad Thomas (See remarks) | Sale | 15,000 | 35.51 | 532,635 |
| 2021-03-01 | Gad Thomas (See remarks) | Option Ex | 9,000 | 2.00 | 18,000 |
| 2021-02-16 | Gad Thomas (See remarks) | Sale | 11,000 | 47.09 | 517,946 |
| 2021-02-16 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-02-01 | Gad Thomas (See remarks) | Sale | 11,000 | 41.98 | 461,769 |
| 2021-02-01 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-01-19 | Gad Thomas (See remarks) | Sale | 11,000 | 46.53 | 511,863 |
| 2021-01-19 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2021-01-19 | Gill David N | Sale | 2,000 | 46.52 | 93,046 |
| 2021-01-19 | Gill David N | Option Ex | 2,000 | 11.16 | 22,320 |
| 2021-01-05 | Gad Thomas (See remarks) | Sale | 11,000 | 49.34 | 542,685 |
| 2021-01-05 | Gad Thomas (See remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2020-12-28 | Gad Thomas (See Remarks) | Sale | 7,000 | 51.98 | 363,832 |
| 2020-12-28 | Gad Thomas (See Remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2020-12-16 | Gad Thomas (See Remarks) | Sale | 7,000 | 53.01 | 371,063 |
| 2020-12-16 | Gad Thomas (See Remarks) | Option Ex | 7,000 | 2.00 | 14,000 |
| 2020-12-14 | Gad Thomas (See Remarks) | Sale | 4,000 | 52.89 | 211,544 |
| 2020-12-11 | Gad Thomas (See Remarks) | Sale | 50,000 | 51.17 | 2,558,650 |
| 2020-12-11 | Gad Thomas (See Remarks) | Option Ex | 50,000 | 2.00 | 100,000 |
| 2020-12-10 | Gad Thomas (See Remarks) | Sale | 50,000 | 50.75 | 2,537,600 |
| 2020-12-10 | Gad Thomas (See Remarks) | Option Ex | 50,000 | 2.00 | 100,000 |
| 2020-12-03 | Moller-san Pedro Claus Juan (Chief Executive Officer) | Sale | 9,266 | 50.98 | 472,380 |
| 2020-12-02 | Rajah Vignesh (SVP and CMO) | Buy | 233 | 51.03 | 11,889 |
| 2020-12-02 | Moller-san Pedro Claus Juan (Chief Executive Officer) | Sale | 40,734 | 51.27 | 2,088,228 |
| 2020-12-01 | Gad Thomas (President and Chairman) | Sale | 4,000 | 51.42 | 205,684 |
| 2020-11-18 | Gill David N (Director) | Sale | 2,000 | 45.77 | 91,530 |
| 2020-11-18 | Gill David N (Director) | Option Ex | 2,000 | 11.16 | 22,320 |
| 2020-11-17 | Rajah Vignesh (SVP and CMO) | Buy | 1,464 | 45.74 | 66,963 |
| 2020-11-16 | Gad Thomas (President and Chairman) | Sale | 4,000 | 46.17 | 184,672 |
| 2020-11-03 | Gill David N (Director) | Sale | 4,000 | 45.00 | 180,000 |
| 2020-11-03 | Gill David N (Director) | Option Ex | 4,000 | 11.16 | 44,640 |
| 2020-11-02 | Gad Thomas (President and Chairman) | Sale | 4,000 | 43.69 | 174,768 |
| 2020-10-15 | Gad Thomas (President and Chairman) | Sale | 4,000 | 39.15 | 156,604 |
| 2020-10-01 | Gad Thomas (President and Chairman) | Sale | 4,000 | 38.88 | 155,524 |
| 2020-09-15 | Gad Thomas (President and Chairman) | Sale | 4,000 | 40.81 | 163,224 |
| 2020-09-14 | Gad Thomas (President and Chairman) | Sale | 22,569 | 41.00 | 925,419 |
| 2020-09-14 | Gad Thomas (President and Chairman) | Option Ex | 22,569 | 2.00 | 45,138 |
| 2020-09-11 | Gad Thomas (President and Chairman) | Sale | 13,571 | 40.33 | 547,332 |
| 2020-09-11 | Gad Thomas (President and Chairman) | Option Ex | 13,571 | 2.00 | 27,142 |
| 2020-09-10 | Gad Thomas (President and Chairman) | Sale | 13,860 | 41.58 | 576,354 |
| 2020-09-10 | Gad Thomas (President and Chairman) | Option Ex | 13,860 | 2.00 | 27,720 |
| 2020-09-01 | Gad Thomas (President and Chairman) | Sale | 4,000 | 41.60 | 166,392 |
| 2020-08-17 | Gad Thomas (President and Chairman) | Sale | 4,000 | 40.35 | 161,392 |
| 2020-08-12 | Gad Thomas (President and Chairman) | Sale | 13,000 | 39.51 | 513,643 |
| 2020-08-11 | Gad Thomas (President and Chairman) | Sale | 37,000 | 40.05 | 1,482,035 |
| 2020-08-03 | Gad Thomas (President and Chairman) | Sale | 4,000 | 36.51 | 146,028 |
| 2020-07-15 | Gad Thomas (President and Chairman) | Sale | 4,000 | 40.06 | 160,228 |
| 2020-07-01 | Gad Thomas (President and Chairman) | Sale | 4,000 | 42.05 | 168,180 |
| 2020-06-15 | Gad Thomas (President and Chairman) | Sale | 4,000 | 43.45 | 173,812 |
| 2020-06-04 | Gad Thomas (President and Chairman) | Sale | 4,000 | 41.61 | 166,444 |
| 2020-05-27 | Gad Thomas (President and Chairman) | Sale | 50,000 | 39.01 | 1,950,450 |
| 2020-05-26 | Ahmed Mahiuddin (Sr. VP and CSO) | Sale | 50,000 | 39.38 | 1,969,250 |
| 2020-05-19 | Ahmed Mahiuddin (Sr. VP and CSO) | Sale | 10,000 | 39.24 | 392,400 |
| 2020-05-18 | Ahmed Mahiuddin (Sr. VP and CSO) | Sale | 19,492 | 39.49 | 769,680 |
| 2020-05-18 | Gad Thomas (President and Chairman) | Sale | 4,000 | 39.65 | 158,596 |
| 2020-05-14 | Moller-san Pedro Claus Juan (Chief Executive Officer) | Sale | 139,154 | 36.02 | 5,013,022 |
| 2020-05-14 | Kruse Bo (EVP, CFO, Secy & Treas.) | Sale | 66,046 | 36.03 | 2,379,373 |
| 2020-05-13 | Moller-san Pedro Claus Juan (Chief Executive Officer) | Sale | 60,846 | 37.75 | 2,297,119 |
| 2020-05-13 | Kruse Bo (EVP, CFO, Secy & Treas.) | Sale | 33,954 | 37.87 | 1,285,871 |
| 2020-05-12 | Ahmed Mahiuddin (Sr. VP and CSO) | Sale | 20,000 | 39.19 | 783,780 |
| 2020-05-12 | Gad Thomas (President and Chairman) | Sale | 50,000 | 39.04 | 1,951,950 |
| 2020-05-01 | Gad Thomas (President and Chairman) | Sale | 4,000 | 32.35 | 129,404 |
| 2020-04-13 | Gad Thomas (President and Chairman) | Sale | 4,000 | 29.43 | 117,712 |
| 2020-03-17 | Moller-san Pedro Claus Juan (Chief Executive Officer) | Buy | 1,900 | 17.22 | 32,712 |
| 2020-03-16 | Gad Thomas (President and Chairman) | Sale | 4,000 | 18.01 | 72,040 |
| 2020-03-02 | Gad Thomas (President & Chairman) | Sale | 4,000 | 29.18 | 116,712 |
| 2020-02-18 | Gad Thomas (President & Chairman) | Sale | 4,000 | 32.78 | 131,132 |
| 2020-02-10 | Gad Thomas (President & Chairman) | Sale | 4,000 | 33.03 | 132,120 |
| 2020-01-27 | Gad Thomas (President & Chairman) | Sale | 4,000 | 35.06 | 140,224 |
| 2020-01-15 | Healy James (Director) | Option Ex | 25,778 | 16.30 | 420,310 |
| 2020-01-13 | Gad Thomas (President & Chairman) | Sale | 4,000 | 30.90 | 123,612 |
| 2019-12-16 | Gad Thomas (President and Chairman) | Sale | 4,000 | 31.54 | 126,176 |
| 2019-12-02 | Gad Thomas (President and Chairman) | Sale | 4,000 | 32.48 | 129,931 |
| 2019-11-18 | Gad Thomas (President and Chairman) | Sale | 4,000 | 28.41 | 113,656 |
| 2019-11-04 | Gad Thomas (President and Chairman) | Sale | 4,000 | 30.11 | 120,420 |
| 2019-10-30 | Healy James | Buy | 90,000 | 28.00 | 2,520,000 |
| 2019-10-21 | Gad Thomas (President and Chairman) | Sale | 4,000 | 27.59 | 110,352 |
| 2019-10-07 | Gad Thomas (President and Chairman) | Sale | 4,000 | 25.21 | 100,848 |
| 2019-09-16 | Gad Thomas (President and Chairman) | Sale | 4,000 | 30.59 | 122,376 |
| 2019-09-06 | Wedell-wedellsborg Johan (Director) | Sale | 5,791 | 27.00 | 156,357 |
| 2019-09-05 | Wedell-wedellsborg Johan (Director) | Sale | 11,452 | 27.00 | 309,204 |
| 2019-09-03 | Gad Thomas (President and Chairman) | Sale | 4,000 | 25.77 | 103,080 |
| 2019-08-30 | Wedell-wedellsborg Johan (Director) | Sale | 100 | 27.00 | 2,700 |
| 2019-08-29 | Raskin Gregory S | Sale | 5,882 | 26.70 | 157,025 |
| 2019-08-29 | Wedell-wedellsborg Johan (Director) | Sale | 89,066 | 26.58 | 2,367,374 |
| 2019-08-28 | Wedell-wedellsborg Johan (Director) | Sale | 29,552 | 27.02 | 798,495 |
| 2019-08-27 | Wedell-wedellsborg Johan (Director) | Sale | 19,805 | 27.18 | 538,299 |
| 2019-08-22 | Wedell-wedellsborg Johan (Director) | Sale | 990 | 27.75 | 27,472 |
| 2019-08-21 | Wedell-wedellsborg Johan (Director) | Sale | 60,116 | 27.83 | 1,673,028 |
| 2019-08-20 | Wedell-wedellsborg Johan (Director) | Sale | 108,128 | 27.42 | 2,964,869 |
| 2019-08-19 | Gad Thomas (President and Chairman) | Sale | 4,000 | 27.70 | 110,804 |
| 2019-08-05 | Gad Thomas (President and Chairman) | Sale | 4,000 | 21.78 | 87,104 |
| 2019-07-22 | Gad Thomas (President and Chairman) | Sale | 4,000 | 22.54 | 90,176 |
| 2019-07-08 | Gad Thomas (President and Chairman) | Sale | 4,000 | 22.40 | 89,592 |
| 2019-06-24 | Gad Thomas (President and Chariman) | Sale | 4,000 | 21.77 | 87,096 |
| 2019-06-10 | Gad Thomas (President and Chairman) | Sale | 4,000 | 22.79 | 91,168 |
| 2019-06-03 | Gad Thomas (President and Chairman) | Sale | 4,000 | 20.03 | 80,120 |
| 2019-05-28 | Gad Thomas (President and Chairman) | Sale | 6,000 | 20.21 | 121,254 |
| 2019-05-13 | Gad Thomas (President and Chairman) | Sale | 6,000 | 20.61 | 123,648 |
| 2019-04-11 | Gad Thomas (President and Chairman) | Sale | 150,000 | 25.80 | 3,870,000 |
| 2019-04-09 | Gad Thomas (President and Chairman) | Sale | 100,000 | 26.48 | 2,647,600 |
| 2018-09-25 | Juan Moller San Pedro Claus (Chief Executive Officer) | Buy | 31,250 | 16.00 | 500,000 |
| 2018-09-25 | Tyagi Ashu (Director) | Buy | 430,174 | 16.00 | 6,882,784 |
| 2018-09-21 | Healy James | Buy | 500,000 | 16.00 | 8,000,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of YMAB listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Y-mabs Therapeutics, Inc. (symbol YMAB, CIK number 1722964) see the Securities and Exchange Commission (SEC) website.