Waddill William D. - Insider Non-Derivative Transactions at Protagonist Therapeutics, Inc (PTGX) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 10, 2025, Waddill William D.'s relationship to Protagonist Therapeutics, Inc (PTGX) is Director, and currently has 17,130 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other PTGX insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Waddill William D. - Insider Non-Derivative Transactions of PTGX Common Stock

Waddill William D. - Insider Non-Derivative Transactions at PTGX

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 11, 2025	Sell -- (Common Stock)	8000	87.81	5130
Oct 11, 2025	Sell -- (Common Stock)	4000	69.25	13130
Oct 11, 2025	M -- (Common Stock)	12000	6.98	17130
Sep 23, 2025	Sell -- (Common Stock)	4000	64.25	5130
Aug 28, 2025	Sell -- (Common Stock)	4000	59.25	9130
Mar 18, 2025	Sell -- (Common Stock)	4000	54.25	13130
Jan 3, 2025	Acquisition -- (Common Stock)	5130	0	17130
Sep 11, 2024	Sell -- (Common Stock)	8000	45	12000
Sep 11, 2024	M -- (Common Stock)	8000	12.88	20000
Jul 25, 2024	Sell -- (Common Stock)	8000	40	12000
Jul 25, 2024	M -- (Common Stock)	8000	12.88	20000
Jun 8, 2024	Sell -- (Common Stock)	8000	35	12000
Jun 8, 2024	M -- (Common Stock)	8000	12.88	20000
Mar 2, 2024	Sell -- (Common Stock)	12975	31.34	12000
Mar 2, 2024	M -- (Common Stock)	12975	6.09	24975