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Insider · CIK 0001303811

Thomas Richard Kassberg

officer

Files at RARE (Ultragenyx Pharmaceutical Inc.). First filing Mar 4, 2025, latest Mar 4, 2025.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 1
$0 bought, $254k sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

RARE: Ultragenyx Pharmaceutical Inc.

RAREOct 9, 2026 · close 15.48

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
43Moderate
RAREsell 6
Ultragenyx Pharmaceutical Inc.
$254k
6,028 shares
-2%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Mar 1, 2025RARE
Ultragenyx Pharmaceutical Inc.
AGrant or award
Common Stock
+18,443$0.00$0271,266Mar 4, 2025
Mar 3, 2025RARE
Ultragenyx Pharmaceutical Inc.
SOpen-market sale
Common Stock
-6,028$42.10$254k265,238Mar 4, 2025
Mar 3, 2025RARE
Ultragenyx Pharmaceutical Inc.
FTax withholding
Common Stock
-508$42.92$22k264,730Mar 4, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Thomas Richard Kassberg: insider trades and track record | InsiderTell