HUANG DENNIS KARL (See Remarks) sold 9.5% of their position (4.25K shares) of ULTRAGENYX PHARMACEUTICAL INC. on the open market
Open‑market sale worth $588.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 3/3/2021ACC: 0001209191-21-017546
Officer· See Remarks
Since Mar 2026
+16.88K
Net shares
Net buyer
$588.0K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
21.14K acquired · 4.25K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+5.50K
Price / share
—
Trade value
—
% of position
15.9%
3/1/2021
34.70K→40.20K
Common Stock
Direct
Shares
+4.64K
Price / share
—
Trade value
—
% of position
11.5%
3/1/2021
40.20K→44.84K
Common Stock
Direct
Shares
−4.25K
Price / share
$138.18
Trade value
$587.96K
% of position
9.5%
3/1/2021
45.02K→40.76K
Total
Net shares
+5.88K
Net value
-$587.96K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/1/2021 | A · Award | +5.50K | — | — | 15.9% | 34.70K | 40.20K |
| Common Stock Direct | 3/1/2021 | A · Award | +4.64K | — | — | 11.5% | 40.20K | 44.84K |
| Common Stock Direct | 3/1/2021 | S · Sale | −4.25K | $138.18 | $587.96K | 9.5% | 45.02K | 40.76K |
| Total | +5.88K | -$587.96K | ||||||
Derivative Transactions1
Stock Option (Right to Buy)
Direct
Converts to
Common Stock
11K shares
Shares
+11K
Strike price
142.47
Held after
11K
Exercisable
—
3/1/2021
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy) Direct | Common Stock11K shares | 3/1/2021 | A · Award | +11K | 142.47 | — | 11K |