David Y Liu is Chief R&D Strategy Officer of Protagonist Therapeutics, Inc. Currently has a direct ownership of 167,590 shares of PTGX, which is worth approximately $7.63 Million. The most recent transaction as insider was on Nov 16, 2022, when has been sold 100,479 shares (Common Stock) at a price of $2.0 per share, resulting in proceeds of $200,958. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 168K
0% 3M change
0% 12M change
Total Value Held $7.63 Million

David Y Liu Transaction History

Date Transaction Value Shares Traded Shares Held Form
Nov 16 2022
BUY
Exercise of conversion of derivative security
$200,958 $2.0 p/Share
100,479 Added 37.48%
167,590 Common Stock
Feb 28 2022
SELL
Payment of exercise price or tax liability
$51,449 $24.28 p/Share
2,119 Reduced 3.09%
66,538 Common Stock
Feb 15 2022
BUY
Grant, award, or other acquisition
-
10,000 Added 12.71%
68,657 Common Stock
Aug 17 2021
SELL
Open market or private sale
$702,889 $47.56 p/Share
14,779 Reduced 20.24%
58,254 Common Stock
Aug 17 2021
BUY
Exercise of conversion of derivative security
$8,700 $0.87 p/Share
10,000 Added 12.04%
73,033 Common Stock
Feb 26 2021
BUY
Grant, award, or other acquisition
-
10,000 Added 13.81%
62,427 Common Stock
DYL

David Y Liu

Chief R&D Strategy Officer
Newark, CA

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