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 |
2022-03-11 Sale | 2022-03-15 4:33 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 10,281 | $67.01 | $688,930 | 227,559 (Direct) | View |
2022-03-01 Sale | 2022-03-03 6:07 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 2,374 | $66.62 | $158,156 | 252,740 (Direct) | View |
2021-10-14 Sale | 2021-10-18 6:48 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 286 | $81.14 | $23,206 | 216,266 (Direct) | View |
2021-05-06 Sale | 2021-05-10 6:11 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 363 | $113.69 | $41,269 | 106,818 (Direct) | View |
2021-03-01 Sale | 2021-03-03 8:55 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 4,572 | $138.17 | $631,713 | 118,181 (Direct) | View |
2020-10-14 Sale | 2020-10-16 7:20 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 262 | $87.98 | $23,051 | 101,478 (Direct) | View |
2019-03-01 Sale(A) | 2019-04-17 6:05 pm | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 832 | $65.52 | $54,513 | 110,974 (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 |
2022-03-01 Option Award | 2022-03-03 6:07 pm | N/A 2032-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 38,900 | $0 | 252,740 (Direct) | View |
2021-12-31 Ownership | 2022-02-01 1:42 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 52 | $0 | 216,214 (Direct) | View |
2021-09-30 Exercise | 2021-10-01 12:57 pm | N/A 2021-11-17 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 109,734 | $0 | 216,552 (Direct) | View |
2021-09-30 Exercise | 2021-10-01 12:57 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 109,734 | $0.31 | 216,552 (Direct) | View |
2021-03-01 Option Award | 2021-03-03 8:55 pm | N/A 2031-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 21,136 | $0 | 118,181 (Direct) | View |
2020-06-01 Tax Withholding | 2020-06-03 2:18 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 348 | $69.38 | 101,740 (Direct) | View |
2020-05-06 Tax Withholding | 2020-05-08 8:04 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 248 | $66.26 | 101,675 (Direct) | View |
2020-04-19 Tax Withholding | 2020-04-21 3:35 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 248 | $58.57 | 101,923 (Direct) | View |
2020-03-01 Option Award | 2020-03-03 7:47 pm | N/A 2030-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 32,434 | $0 | 122,171 (Direct) | View |
2020-03-01 Tax Withholding | 2020-03-03 7:47 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 2,067 | $56.08 | 122,171 (Direct) | View |
2019-10-14 Option Award | 2019-10-16 7:29 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 1,434 | $0 | 91,675 (Direct) | View |
2019-06-01 Tax Withholding | 2019-06-04 6:56 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 346 | $54.93 | 90,241 (Direct) | View |
2019-05-21 Tax Withholding | 2019-05-22 5:41 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 381 | $59.5 | 90,587 (Direct) | View |
2019-05-06 Option Award | 2019-05-07 6:50 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 1,434 | $0 | 90,968 (Direct) | View |
2019-04-19 Tax Withholding | 2019-04-23 6:20 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 248 | $64.43 | 89,226 (Direct) | View |
2019-03-01(A) Option Award | 2019-04-17 6:05 pm | N/A 2029-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 28,500 | $0 | 110,974 (Direct) | View |
2019-03-01 Option Award | 2019-03-04 5:05 pm | N/A 2029-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 28,500 | $0 | 110,999 (Direct) | View |
2019-03-01 Tax Withholding | 2019-03-04 5:05 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 806 | $67.55 | 110,999 (Direct) | View |
2018-06-01 Tax Withholding | 2018-06-04 4:48 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 346 | $73.73 | 83,114 (Direct) | View |
2018-05-21 Tax Withholding | 2018-05-22 11:46 am | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 381 | $64.79 | 83,460 (Direct) | View |
2018-04-19 Option Award | 2018-04-19 4:45 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 1,431 | $0 | 83,529 (Direct) | View |
2018-03-01 Option Award | 2018-03-05 4:16 pm | N/A 2028-03-01 | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 36,000 | $0 | 112,098 (Direct) | View |
2018-03-01 Tax Withholding | 2018-03-05 4:16 pm | N/A N/A | Ultragenyx Pharmaceutical Inc. | RARE | Kassberg Thomas Richard CBO & EVP | 307 | $48.43 | 112,098 (Direct) | View |