Ultragenyx Pharmaceutical Inc. (RARE) on GreekSoup https://greeksoup.ai/stocks/us/rare/ Every dated entry in the public record on Ultragenyx Pharmaceutical Inc.: results, filings, insider trades and the rest, from the filings, the last 90 days. en Wed, 28 Oct 2026 00:00:00 +0000 Ultragenyx Pharmaceutical Inc.: Schedule 13G filed by Madison Avenue International LP, 6.4% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-10-20:e45b7b3598Tue, 20 Oct 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: other eventshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-10-19:7de9f8c481Mon, 19 Oct 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Horn Howard (Chief Financial Officer) sold 7,066 shares at $15.27 on 15 October 2026, $107,898https://greeksoup.ai/stocks/us/rare/insiders/us:RARE:insider:2026-10-19:381ac41b02Mon, 19 Oct 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 20,145,283 shares at the 15 October 2026 settlement, 5.18 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-10-15:8a26bde71aThu, 15 Oct 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: material agreementhttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-10-14:cc471eba05Wed, 14 Oct 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Gilbert Cisneros (CA31) disclosed a purchase, $1,001 - $15,000, traded 29 September 2026https://greeksoup.ai/stocks/us/rare/congress/us:RARE:congress:2026-10-12:1717a765a4Mon, 12 Oct 2026 00:00:00 +0000House tradeHouse trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: material agreementhttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-10-07:4ebd60e887Wed, 07 Oct 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 20,349,877 shares at the 30 September 2026 settlement, 3.13 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-09-30:d1434b6387Wed, 30 Sep 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: other eventshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-09-17:60d266a91eThu, 17 Sep 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Form 144, THEODORE HUIZENGA plans to sell 1,283 shares worth $17,462 around 15 September 2026https://greeksoup.ai/stocks/us/rare/planned-sales/us:RARE:planned-sale:2026-09-15:f1d67fdb62Tue, 15 Sep 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Huizenga Theodore Alan (SVP, Chief Accounting Officer) sold 1,283 shares (under a trading plan set in advance) at $13.57 on 15 September 2026, $17,410https://greeksoup.ai/stocks/us/rare/insiders/us:RARE:insider:2026-09-15:3e1a454955Tue, 15 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 16,571,956 shares at the 15 September 2026 settlement, 2.22 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-09-15:828f95a70fTue, 15 Sep 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Huizenga Theodore Alan (SVP, Chief Accounting Officer) sold 161 shares at $13.99 on 3 September 2026, $2,252https://greeksoup.ai/stocks/us/rare/insiders/us:RARE:insider:2026-09-08:10dfdb263cTue, 08 Sep 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: other eventshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-09-02:3f74e58c3eWed, 02 Sep 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 17,144,354 shares at the 31 August 2026 settlement, 8.00 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-08-31:9140b0472aMon, 31 Aug 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: other eventshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-08-19:673fcbc77aWed, 19 Aug 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G filed by RTW Investments, LP, 7.9% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-08-14:86c50b6258Fri, 14 Aug 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 15,887,767 shares at the 14 August 2026 settlement, 7.78 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-08-14:61c1a100f2Fri, 14 Aug 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G filed by AQR Capital Management, LLC, 6.7% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-08-13:233ff8c04dThu, 13 Aug 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: other eventshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-08-11:65c4edcc7bTue, 11 Aug 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G filed by STATE STREET CORPORATION, 6.3% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-08-07:e3c1ac037eFri, 07 Aug 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. Q2 FY2026 results: revenue $214 million, net income -$92 millionhttps://greeksoup.ai/stocks/us/rare/results/fy2026-q2/us:RARE:result:2026-08-05:b757ff40bbWed, 05 Aug 2026 00:00:00 +0000ResultsResults. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 10-Q: 10-qhttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-08-05:1e032aeb45Wed, 05 Aug 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc. filed 8-K: results of operationshttps://greeksoup.ai/stocks/us/rare/filings/us:RARE:filing:2026-08-04:52b0558705Tue, 04 Aug 2026 00:00:00 +0000SEC filingSEC filing. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Parschauer Karah Herdman (EVP and Chief Legal Officer) sold 1,900 shares (under a trading plan set in advance) at $24.92 on 3 August 2026, $47,348https://greeksoup.ai/stocks/us/rare/insiders/us:RARE:insider:2026-08-04:a94e21ecbfTue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Horn Howard (Chief Financial Officer) sold 4,696 shares (under a trading plan set in advance) at $24.92 on 3 August 2026, $117,024https://greeksoup.ai/stocks/us/rare/insiders/us:RARE:insider:2026-08-04:e9c87aaef9Tue, 04 Aug 2026 00:00:00 +0000Insider tradeInsider trade. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Form 144, HOWARD HORN plans to sell 4,696 shares worth $117,024 around 3 August 2026https://greeksoup.ai/stocks/us/rare/planned-sales/us:RARE:planned-sale:2026-08-03:287ad507f3Mon, 03 Aug 2026 00:00:00 +0000Form 144Form 144. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G/A filed by Vanguard Portfolio Management, 7.0% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-07-31:cfb7e7067fFri, 31 Jul 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G filed by Vanguard Capital Management, 5.1% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-07-31:cf0251594bFri, 31 Jul 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: short interest 14,963,396 shares at the 31 July 2026 settlement, 8.28 days to coverhttps://greeksoup.ai/stocks/us/rare/short-interest/us:RARE:short-interest:2026-07-31:0101ae0730Fri, 31 Jul 2026 00:00:00 +0000Short interestShort interest. The filing. The page on GreekSoup.

]]> Ultragenyx Pharmaceutical Inc.: Schedule 13G/A filed by BlackRock, Inc., 8.3% of the classhttps://greeksoup.ai/stocks/us/rare/holders/us:RARE:schedule-13:2026-07-30:42236a076dThu, 30 Jul 2026 00:00:00 +0000Schedule 13D/13GSchedule 13D/13G. The filing. The page on GreekSoup.

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