SEC Insider Transactions from KAKKIS EMIL D.

Last updated: 2026-03-14 11:55 UTC | Total transactions: 26

Emil D. Kakkis, President and CEO of Ultragenyx Pharmaceutical Inc. ($RARE), sold $1.24 million worth of shares on the open market once in the last 365 days. His most recent sale occurred on March 2, 2026. This places him 4,439th among 11,678 insiders by total sales value, well below the average of $8.6 million across 6.37 transactions. Kakkis made no open market purchases during this period.

Set Up your own filters →
Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 54404 $22.80 2,817,979.0000 98,600,000 1.89% 0.06%
March 1, 2026 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 71177 $0.00 2,871,893.0000 98,600,000 2.54% 0.07%
March 3, 2025 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 73434 $42.10 2,800,716.0000 90,538,118 2.55% 0.08%
Feb. 28, 2025 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 25000 $42.48 2,800,716.0000 90,538,118 0.88% 0.03%
March 1, 2025 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Stock Option (Right to Buy) 78448 $0.00 78,448.0000 90,538,118 9999.99% 0.09%
March 1, 2025 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 43268 $0.00 2,766,858.0000 90,538,118 1.59% 0.05%
March 1, 2025 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 107292 $0.00 2,874,150.0000 90,538,118 3.88% 0.12%
Dec. 30, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 11727 $42.23 2,748,590.0000 95,493,996 0.42% 0.01%
Dec. 10, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 8273 $50.00 2,760,317.0000 95,493,996 0.30% 0.01%
Dec. 9, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO G Common Stock 20000 $0.00 2,768,590.0000 95,493,996 0.72% 0.02%
Sept. 3, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 20000 $55.85 2,788,582.0000 73,543,862 0.71% 0.03%
Aug. 6, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 20000 $50.17 2,808,582.0000 73,543,862 0.71% 0.03%
March 1, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 3132 $0.00 2,827,898.0000 73,543,862 0.11% 0.00%
March 1, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Stock Option (Right to Buy) 70094 $0.00 70,094.0000 73,543,862 9999.99% 0.10%
March 1, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 38428 $0.00 2,842,183.0000 73,543,862 1.37% 0.05%
March 1, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO F Common Stock 17417 $53.69 2,824,766.0000 73,543,862 0.61% 0.02%
Feb. 7, 2024 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 30000 $45.00 2,803,755.0000 73,543,862 1.06% 0.04%
Dec. 29, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 30000 $47.87 2,833,755.0000 69,914,225 1.05% 0.04%
Oct. 19, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO M Stock Option (Right to Buy) 47853 $0.00 0.0000 69,914,225 100.00% 0.07%
Oct. 19, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO M Common Stock 47853 $6.86 2,911,014.0000 69,914,225 1.67% 0.07%
Oct. 19, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 47853 $33.52 2,863,728.0000 69,914,225 1.64% 0.07%
March 1, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO F Common Stock 16140 $45.65 2,863,161.0000 69,914,225 0.56% 0.02%
March 1, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Stock Option (Right to Buy) 83500 $0.00 83,500.0000 69,914,225 9999.99% 0.12%
March 1, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 46200 $0.00 2,879,591.0000 69,914,225 1.63% 0.07%
March 1, 2023 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO A Common Stock 8716 $0.00 2,833,391.0000 69,914,225 0.31% 0.01%
Dec. 30, 2022 Ultragenyx Pharmaceutical Inc. $RARE KAKKIS EMIL D President & CEO S Common Stock 19582 $45.57 2,824,385.0000 0 0.69% 0.00%