RARE Insider Trading
Ultragenyx Pharmaceutical Inc. | Pharmaceutical Preparations
Comprehensive Trading Performance Summary
The investment history of corporate insiders at Ultragenyx Pharmaceutical Inc. provides a unique lens into the internal conviction of the company's leadership. By analyzing SEC Form 4 filings, investors can track how directors and officers are allocating their own capital. High-conviction buying often signals that management believes the current market price significantly undervalues future growth prospects, while strategic selling might occur for personal liquidity or portfolio diversification. Monitoring these shifts in ownership is essential for understanding the alignment between management and shareholders in the Pharmaceutical Preparations sector.
Transactions on Chart
Open Full Chart| Filing Date | Trade Date | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After | Change, % |
|---|---|---|---|---|---|---|---|---|---|
| 2021-05-11 01:12 | 2021-05-06 | Huizenga Theodore Alan | Officer - SVP, Chief Accounting Officer | SELL | $113.67 | 142 | $16,141 | 15,031 | -0.9% |
| 2021-05-11 01:10 | 2021-05-06 | Harris Erik | Officer - EVP & Chief Commercial Officer | SELL | $113.67 | 700 | $79,572 | 26,717 | -2.6% |
| 2021-05-11 01:09 | 2021-05-06 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | SELL | $113.67 | 364 | $41,376 | 38,775 | -0.9% |
| 2021-05-11 01:11 | 2021-05-06 | Kassberg Thomas Richard | Officer - CBO & EVP | SELL | $113.69 | 363 | $41,269 | 106,818 | -0.3% |
| 2021-05-05 18:32 | 2021-05-03 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $107.80 | 30,000 | $3,234,000 | 2,259,741 | -1.3% |
| 2021-04-22 03:07 | 2021-04-20 | Harris Erik | Officer - EVP & Chief Commercial Officer | SELL | $104.28 | 396 | $41,295 | 27,417 | -1.4% |
| 2021-04-20 00:17 | 2021-04-15 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | OPT+S | $109.09 | 5,000 | $545,450 | 39,139 | 0.0% |
| 2021-03-09 20:37 | 2021-03-08 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | SELL | $120.69 | 3,000 | $362,070 | 13,544 | -18.1% |
| 2021-03-04 04:48 | 2021-03-01 | Pinion John Richard | Officer - See Remarks | SELL | $138.17 | 6,198 | $856,378 | 50,237 | -11.0% |
| 2021-03-04 04:47 | 2021-03-01 | Parschauer Karah Herdman | Officer - EVP and General Counsel | SELL | $138.17 | 3,970 | $548,535 | 30,227 | -11.6% |
| 2021-03-04 04:43 | 2021-03-01 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | SELL | $138.17 | 732 | $101,140 | 16,544 | -4.2% |
| 2021-03-04 04:42 | 2021-03-01 | Harris Erik | Officer - EVP & Chief Commercial Officer | SELL | $138.17 | 3,177 | $438,959 | 27,813 | -10.3% |
| 2021-03-04 04:39 | 2021-03-01 | Huang Dennis Karl | Officer - EVP & Chief Tech Ops Officer | SELL | $138.18 | 4,255 | $587,956 | 40,761 | -9.5% |
| 2021-03-04 04:37 | 2021-03-01 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | SELL | $138.18 | 4,543 | $627,752 | 39,139 | -10.4% |
| 2021-03-04 04:55 | 2021-03-01 | Kassberg Thomas Richard | Officer - CBO & EVP | SELL | $138.17 | 4,572 | $631,713 | 107,181 | -4.1% |
| 2021-03-04 04:36 | 2021-03-01 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $141.80 | 30,000 | $4,254,000 | 2,289,741 | -1.3% |
| 2021-02-23 22:30 | 2021-02-19 | Aliski William | Director | OPT+S | $149.01 | 7,500 | $1,117,575 | 65,704 | 0.0% |
| 2021-02-04 04:04 | 2020-06-03 | Harris Erik | Officer - EVP & Chief Commercial Officer | SELL | $74.69 | 2,516 | $187,920 | 20,854 | -10.8% |
| 2021-02-03 00:28 | 2021-01-30 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | SELL | $140.36 | 2,243 | $314,827 | 33,546 | -6.3% |
| 2021-01-20 00:01 | 2021-01-15 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | OPT+S | $139.18 | 25,000 | $3,479,500 | 35,789 | 0.0% |
| 2021-01-09 03:05 | 2021-01-07 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | OPT+S | $140.65 | 4,000 | $562,600 | 15,716 | 0.0% |
| 2021-01-06 02:45 | 2021-01-04 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $136.90 | 30,000 | $4,107,000 | 2,329,741 | -1.3% |
| 2020-11-04 23:44 | 2020-11-02 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $96.82 | 30,000 | $2,904,600 | 2,359,741 | -1.3% |
| 2020-11-03 01:05 | 2020-10-30 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $100.12 | 9,903 | $991,488 | 24,061 | 0.0% |
| 2020-10-31 00:28 | 2020-10-28 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $100.00 | 97 | $9,700 | 23,968 | 0.0% |
| 2020-10-17 02:21 | 2020-10-14 | Parschauer Karah Herdman | Officer - EVP and General Counsel | SELL | $88.00 | 325 | $28,600 | 23,968 | -1.3% |
| 2020-10-17 02:20 | 2020-10-14 | Harris Erik | Officer - EVP & Chief Commercial Officer | SELL | $88.00 | 220 | $19,360 | 23,370 | -0.9% |
| 2020-10-17 02:19 | 2020-10-14 | Pinion John Richard | Officer - See Remarks | SELL | $88.00 | 262 | $23,056 | 46,299 | -0.6% |
| 2020-10-17 02:18 | 2020-10-14 | Huang Dennis Karl | Officer - EVP & Chief Tech Ops Officer | SELL | $88.00 | 262 | $23,056 | 34,699 | -0.7% |
| 2020-10-17 02:16 | 2020-10-14 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | SELL | $87.98 | 146 | $12,845 | 16,436 | -0.9% |
| 2020-10-17 02:15 | 2020-10-14 | Sharp Shalini | Officer - EVP, Finance | SELL | $87.99 | 375 | $32,996 | 97,812 | -0.4% |
| 2020-10-17 02:22 | 2020-10-14 | Bedrosian Camille L | Officer - EVP and Chief Medical Officer | SELL | $88.00 | 262 | $23,056 | 35,789 | -0.7% |
| 2020-10-17 02:20 | 2020-10-14 | Kassberg Thomas Richard | Officer - CBO & EVP | SELL | $87.98 | 262 | $23,051 | 101,478 | -0.3% |
| 2020-10-14 00:55 | 2020-10-12 | Pinion John Richard | Officer - See Remarks | SELL | $94.47 | 2,780 | $262,627 | 46,561 | -5.6% |
| 2020-10-14 00:53 | 2020-10-08 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $95.00 | 10,000 | $950,000 | 24,293 | 0.0% |
| 2020-10-07 21:57 | 2020-10-06 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $90.00 | 10,000 | $900,000 | 24,293 | 0.0% |
| 2020-09-24 23:47 | 2020-09-23 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $85.00 | 10,000 | $850,000 | 24,293 | 0.0% |
| 2020-09-02 23:26 | 2020-09-01 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $82.63 | 30,000 | $2,478,900 | 2,389,741 | -1.2% |
| 2020-08-25 22:56 | 2020-08-21 | Aliski William | Director | OPT+S | $86.57 | 5,000 | $432,850 | 57,018 | 0.0% |
| 2020-08-19 21:12 | 2020-08-17 | Parschauer Karah Herdman | Officer - EVP and General Counsel | OPT+S | $88.43 | 12,370 | $1,093,884 | 24,293 | 0.0% |
| 2020-08-19 21:11 | 2020-08-17 | Sharp Shalini | Officer - CFO & Executive Vice President | OPT+S | $88.40 | 14,378 | $1,271,073 | 98,187 | 0.0% |
| 2020-08-11 19:21 | 2020-08-07 | SIEGALL CLAY B | Director | OPT+S | $85.37 | 34,750 | $2,966,736 | 2,550 | 0.0% |
| 2020-07-15 20:22 | 2020-07-13 | KAKKIS EMIL D | Director, Officer - President & CEO | SELL | $85.35 | 40,000 | $3,414,000 | 2,419,741 | -1.6% |
| 2020-07-11 00:21 | 2020-07-08 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | OPT+S | $91.00 | 2,638 | $240,058 | 16,582 | 0.0% |
| 2020-07-08 19:30 | 2020-07-06 | Fust Matthew K | Director | OPT+S | $90.00 | 6,181 | $556,290 | 13,550 | 0.0% |
| 2020-07-06 21:21 | 2020-07-01 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | OPT+S | $81.00 | 2,611 | $211,491 | 17,220 | 0.0% |
| 2020-07-06 21:21 | 2020-07-01 | Fust Matthew K | Director | OPT+S | $85.00 | 5,000 | $425,000 | 13,550 | 0.0% |
| 2020-06-05 23:59 | 2020-06-03 | Sharp Shalini | Officer - CFO & Executive Vice President | OPT+S | $74.19 | 12,798 | $949,431 | 101,208 | 0.0% |
| 2020-06-03 23:26 | 2020-05-18 | Aliski William | Director | SELL | $74.02 | 20,000 | $1,480,322 | 70,350 | -22.1% |
| 2020-05-27 22:14 | 2020-05-26 | Huizenga Theodore Alan | Officer - SVP, Controller and PAO | SELL | $74.93 | 260 | $19,482 | 18,331 | -1.4% |
How to Interpret $RARE Trades
Not every insider transaction in Ultragenyx Pharmaceutical Inc. is a signal for immediate action. Professional investors look for "cluster buying"—when multiple executives simultaneously purchase $RARE shares on the open market. It is crucial to distinguish between scheduled sales (under Rule 10b5-1) and voluntary increases in ownership, which demonstrate management’s true conviction that the stock is undervalued.
Data Source & Accuracy for RARE
Insider activity data for Ultragenyx Pharmaceutical Inc. is streamed in real-time directly from the SEC EDGAR system. We analyze raw Form 4 filings, filtering out technical adjustments and complex derivative transactions. This provides a transparent view of how ownership structure is evolving in $RARE, allowing you to follow the capital of those with the most intimate knowledge of the company.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.