Thomas Richard Kassberg

RARE

Thomas Richard Kassberg serves as CBO & EVP at Ultragenyx Pharmaceutical Inc. (RARE). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

10 trades

$3.84M

Net Position

Net Seller

$3.84M

Companies Traded

RARE

Active Period

Mar 2021 – Mar 2025

10 total trades

Most Recent

Sell RARE

Mar 1, 2025 · $275.6K

Thomas Richard Kassberg's Insider Trading at Ultragenyx Pharmaceutical Inc. (RARE)

Buys

0 · $0.00

Sells

10 · $3.84M

Total Shares Bought

Total Shares Sold

78,778

RARE Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 1, 2025	Sell	6,536	$42.16	$275.6K	0
Mar 12, 2024	Sell	11,509	$49.93	$574.6K	252,823
Mar 5, 2024	Sell	1,011	$53.76	$54.4K	264,332
Oct 24, 2023	Sell	39,878	$32.78	$1.31M	246,860
Mar 3, 2023	Sell	1,968	$45.27	$89.1K	250,254
Mar 15, 2022	Sell	10,281	$67.01	$688.9K	227,559
Mar 3, 2022	Sell	2,374	$66.62	$158.2K	213,840
Oct 18, 2021	Sell	286	$81.14	$23.2K	216,266
May 10, 2021	Sell	363	$113.69	$41.3K	106,818
Mar 3, 2021	Sell	4,572	$138.17	$631.7K	107,181