Liu David Y

CIK 00016758811 companyMILPITAS, CA

SEC Profile

Transactions

Companies

Filings

CIK

0001675881

Recent Transactions

50 trades

Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-11-16$0.87/sh+13,767→ 80,878 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-11-16$1.89/sh+5,999→ 96,603 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-11-16$1.16/sh+35,656→ 132,259 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-11-16−13,767→ 0 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-11-16$1.89/sh+9,726→ 90,604 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-11-16$4.21/sh+35,331→ 167,590 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-11-16−9,726→ 0 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-11-16−5,999→ 0 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-11-16−35,656→ 0 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-11-16−35,331→ 0 total
Tax Payment
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-02-28$24.28/sh−2,119→ 66,538 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2022-02-15+10,000→ 68,657 total
Award
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2022-02-15−60,000→ 60,000 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2021-08-17$0.87/sh+10,000→ 73,033 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2021-08-17−10,000→ 13,767 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2021-08-17$47.56/sh−14,779→ 58,254 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2021-02-26+10,000→ 62,427 total
Award
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2021-02-26+65,000→ 65,000 total
Award
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2020-02-28+70,000→ 70,000 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2019-08-06$8.85/sh−3,395→ 49,802 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2019-03-01$8.03/sh−810→ 51,197 total
Award
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2019-02-28+90,000→ 90,000 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2019-02-28+15,000→ 52,007 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2019-02-06$7.74/sh−3,821→ 37,007 total
Award
Protagonist Therapeutics, Inc$PTGX
Stock Option (right to buy)
2018-08-15+17,200→ 17,200 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-08-15+25,800→ 40,828 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-03-12$4.21/sh+3,500→ 18,528 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2018-03-12−3,500→ 35,331 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-03-12$21.29/sh−3,500→ 15,028 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-03-02$20.00/sh−875→ 13,322 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-03-02$1.89/sh+875→ 14,197 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2018-03-02−875→ 9,725 total
Award
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2018-02-28+56,500→ 56,500 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-02-28+9,500→ 13,322 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-01-16$1.89/sh+875→ 4,697 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2018-01-16$20.00/sh−875→ 3,822 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2018-01-16−875→ 10,600 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2017-12-18−875→ 11,475 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-12-18$20.00/sh−875→ 3,822 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-12-18$1.89/sh+875→ 4,697 total
Award
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-30$1.89/sh+875→ 4,697 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-30$20.00/sh−875→ 3,822 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2017-11-30−875→ 12,350 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2017-11-13−3,500→ 13,225 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-13$16.97/sh−3,500→ 3,822 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-13$1.89/sh+3,500→ 7,322 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-13$4.21/sh+3,500→ 7,322 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Employee Stock Option (right to buy)
2017-11-13−3,500→ 38,831 total
Sale
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-11-13$16.97/sh−3,500→ 3,822 total
Exercise/Conversion
Protagonist Therapeutics, Inc$PTGX
Common Stock
2017-08-28$4.21/sh+3,500→ 5,500 total

Companies

Protagonist Therapeutics, Inc
Chief Scientific Officer
$PTGX

Recent Filings

Address

C/O PROTAGONIST THERAPEUTICS, INC. 521 COTTONWOOD DRIVE, SUITE 100

MILPITAS, CA, 95035

View on SEC.gov