InsiderFlow

Lewis T Williams

PTGX

Lewis T Williams serves as director at Protagonist Therapeutics, Inc. (PTGX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

2 trades

$2.97M

Net Position

Net Seller

$2.97M

Companies Traded

1

PTGX

Active Period

Feb 2026

2 total trades

Most Recent

Sell PTGX

Feb 18, 2026 · $1.48M

Lewis T Williams's Insider Trading at Protagonist Therapeutics, Inc. (PTGX)

Buys

0 · $0.00

Sells

2 · $2.97M

Total Shares Bought

0

Total Shares Sold

36,000

PTGX Price Chart
Loading chart...
DateTypeSharesAvg PriceValueShares After
Feb 18, 2026Sell18,000$82.42$1.48M7,825
Feb 17, 2026Sell18,000$82.42$1.48M0
Lewis T Williams Insider Trading Activity | Protagonist Therapeutics, Inc. | InsiderFlow